Synthesis, structure and properties of layered Pr2MoO6-based oxymolybdates doped with Mg

Voronkova, V.I.; Antipin, A.M.; Sorokin, T.A.; Novikova, N.E.; Kharitonova, E.P.; Orlova, E.I.; Kvartalov, V.B.; Presniakov, M.Y.; Bondarenko, V.I.; Vasiliev, A.L.; Sorokina, N.I.

doi:10.1107/S2052520620005740

Synthesis, structure and properties of layered Pr₂MoO₆-based oxymolybdates doped with Mg

V. I. Voronkova, A. M. Antipin, T. A. Sorokin, N. E. Novikova, E. P. Kharitonova, E. I. Orlova, V. B. Kvartalov, M. Yu. Presniakov, V. I. Bondarenko, A. L. Vasiliev and N. I. Sorokina

Undoped and Mg-doped Pr₂MoO₆ oxymolybdate polycrystals and single crystals have been prepared by solid-state reactions and flux growth. The compounds have been characterized by powder X-ray diffraction, energy-dispersive spectroscopy, inductively coupled plasma mass spectrometry, scanning transmission electron microscopy, single crystal X-ray structure analysis, differential scanning calorimetry and thermogravimetry. The (MgO)_x(Pr₂O₃)_y(MoO₃)_z (x + y + z = 1) solid solution series has been shown to extend to x = 0.03. The structure of the Mg-doped Pr₂MoO₆ single crystals can be represented as superimposed lattices of the main matrix (Pr₂MoO₆) and lattices in which Mo atoms are partially replaced by Mg. The incorporation of Mg atoms into the structure of Pr₂MoO₆ results in the disordering of the praseodymium and oxygen lattices. Both the polycrystalline and single-crystal Mg-doped samples are hygroscopic.

Keywords: oxymolybdates; crystal structure; solid state reactions; layered structure; X-ray diffraction.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S2052520620005740/yb5024sup1.cif Contains datablocks global, I, II
	Structure factor file (CIF format) https://doi.org/10.1107/S2052520620005740/yb5024Isup2.hkl Contains datablock I
	Structure factor file (CIF format) https://doi.org/10.1107/S2052520620005740/yb5024IIsup3.hkl Contains datablock II

CCDC references: 1999199; 1999200

Computing details top

For both structures, data collection: CrysAlis PRO 1.171.39.46 (Rigaku OD, 2018); cell refinement: CrysAlis PRO 1.171.39.46 (Rigaku OD, 2018); data reduction: CrysAlis PRO 1.171.39.46 (Rigaku OD, 2018).

(I) top

Crystal data top

Pr₂MoO₆	D_x = 6.123 Mg m⁻³
M_r = 473.8	Mo Kα radiation, λ = 0.71073 Å
Tetragonal, I4c2	Cell parameters from 8754 reflections
Hall symbol: I -4 -2c	θ = 5.1–74.1°
a = 5.6960 (1) Å	µ = 21.01 mm⁻¹
c = 31.6796 (2) Å	T = 295 K
V = 1027.83 (1) Å³	Plate, yellow-green
Z = 8	0.34 × 0.31 × 0.03 mm
F(000) = 1664

Data collection top

Xcalibur, EosS2 with high theta cut diffractometer	1136 independent reflections
Radiation source: X-ray tube	1119 reflections with I > 3σ(I)
Graphite monochromator	R_int = 0.025
Detector resolution: 16.1745 pixels mm^-1	θ_max = 62.7°, θ_min = 5.2°
ω scans	h = −14→13
Absorption correction: analytical CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm.	k = −14→14
T_min = 0.021, T_max = 0.559	l = −78→78
13159 measured reflections

Refinement top

Refinement on F	Weighting scheme based on measured s.u.'s w = 1/(σ²(F) + 0.000121F²)
R[F² > 2σ(F²)] = 0.009	(Δ/σ)_max = 0.028
wR(F²) = 0.013	Δρ_max = 0.50 e Å⁻³
S = 1.07	Δρ_min = −0.77 e Å⁻³
1136 reflections	Extinction correction: B-C type 2 (Becker & Coppens, 1974)
41 parameters	Extinction coefficient: 730 (60)
0 restraints	Absolute structure: 479 of Friedel pairs used in the refinement
0 constraints	Absolute structure parameter: 0.41 (3)

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq
Pr1	0.5	0	0.086984 (18)	0.00804 (15)
Pr2	0	0	0.163169 (11)	0.00341 (11)
Mo1	0	0	0	0.00849 (14)
Mo2	0.5	0	0.25	0.01023 (19)
O1	0.760 (7)	0.243 (6)	0.1268 (6)	0.005 (2)
O2	0.668 (2)	0.1753 (18)	0.21380 (12)	0.0093 (12)
O3	−0.660 (2)	−0.324 (3)	0.03482 (18)	0.0171 (13)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Pr1	0.0038 (3)	0.0094 (3)	0.0110 (2)	0	0	0
Pr2	0.00329 (19)	0.0044 (2)	0.00249 (10)	0	0	0
Mo1	0.0092 (3)	0.0092 (3)	0.007024	0	0	0
Mo2	0.0142 (4)	0.0142 (4)	0.00230 (7)	0	0	0
O1	0.004 (5)	0.005 (5)	0.006 (3)	0.002 (2)	0.0011 (19)	0.003 (4)
O2	0.018 (3)	0.0043 (10)	0.0054 (6)	−0.0006 (16)	0.0010 (12)	0.0003 (10)
O3	0.012 (2)	0.019 (2)	0.021 (2)	−0.0091 (17)	0.0021 (17)	−0.0082 (18)

Geometric parameters (Å, º) top

Pr1—O1	2.39 (3)	Mo2—O2ⁱ	1.796 (9)
Pr1—O1ⁱ	2.39 (3)	Mo2—O2^xvi	1.796 (9)
Pr1—O1ⁱⁱ	2.37 (3)	Mo2—O2^xvii	1.796 (9)
Pr1—O1ⁱⁱⁱ	2.37 (3)	Mo2—O2ⁱⁱ	2.884 (11)
Pr1—O3^iv	2.641 (12)	Mo2—O2ⁱⁱⁱ	2.884 (11)
Pr1—O3^v	2.641 (12)	Mo2—O2^xviii	2.884 (11)
Pr1—O3^vi	2.735 (11)	Mo2—O2^xix	2.884 (11)
Pr1—O3^vii	2.735 (11)	O1—O1ⁱⁱ	2.85 (6)
Pr2—O1^viii	2.26 (3)	O1—O1^xx	2.85 (6)
Pr2—O1ⁱ	2.26 (3)	O1—O1ⁱⁱⁱ	2.85 (5)
Pr2—O1ⁱⁱ	2.38 (4)	O1—O1^xxi	2.85 (5)
Pr2—O1^ix	2.38 (4)	O1—O2	2.83 (2)
Pr2—O2^viii	2.674 (10)	O2—O2ⁱ	2.764 (17)
Pr2—O2ⁱ	2.674 (10)	O2—O2ⁱⁱ	2.972 (19)
Pr2—O2ⁱⁱ	2.628 (9)	O2—O2^xx	2.972 (19)
Pr2—O2^ix	2.628 (9)	O2—O2ⁱⁱⁱ	2.998 (15)
Mo1—O3^iv	2.895 (13)	O2—O2^xxi	2.998 (15)
Mo1—O3^x	2.895 (13)	O2—O2^xix	2.619 (9)
Mo1—O3^xi	2.895 (13)	O3—O3^xxii	2.707 (19)
Mo1—O3^xii	2.895 (13)	O3—O3^xi	2.921 (14)
Mo1—O3^xiii	1.746 (11)	O3—O3^xxiii	2.921 (14)
Mo1—O3^vii	1.746 (11)	O3—O3^xxiv	2.971 (17)
Mo1—O3^xiv	1.746 (11)	O3—O3^xiii	2.971 (17)
Mo1—O3^xv	1.746 (11)	O3—O3^xxv	2.573 (12)
Mo2—O2	1.796 (9)

O1—Pr1—O1ⁱ	116.2 (9)	Pr1^xx—O1—O1ⁱⁱⁱ	130.0 (15)
O1—Pr1—O1ⁱⁱ	73.6 (13)	Pr1^xx—O1—O1^xxi	53.5 (10)
O1—Pr1—O1ⁱⁱⁱ	73.7 (12)	Pr1^xx—O1—O2	135.2 (13)
O1—Pr1—O3^iv	161.8 (9)	Pr2^iv—O1—Pr2^xx	120.4 (8)
O1—Pr1—O3^v	73.2 (6)	Pr2^iv—O1—O1ⁱⁱ	128.5 (15)
O1—Pr1—O3^vi	95.3 (9)	Pr2^iv—O1—O1^xx	54.1 (11)
O1—Pr1—O3^vii	123.2 (9)	Pr2^iv—O1—O1ⁱⁱⁱ	54.1 (10)
O1ⁱ—Pr1—O1ⁱⁱ	73.7 (12)	Pr2^iv—O1—O1^xxi	129.5 (16)
O1ⁱ—Pr1—O1ⁱⁱⁱ	73.6 (13)	Pr2^iv—O1—O2	62.2 (6)
O1ⁱ—Pr1—O3^iv	73.2 (6)	Pr2^xx—O1—O1ⁱⁱ	50.2 (10)
O1ⁱ—Pr1—O3^v	161.8 (9)	Pr2^xx—O1—O1^xx	127.1 (14)
O1ⁱ—Pr1—O3^vi	123.2 (9)	Pr2^xx—O1—O1ⁱⁱⁱ	126.1 (16)
O1ⁱ—Pr1—O3^vii	95.3 (9)	Pr2^xx—O1—O1^xxi	50.2 (10)
O1ⁱⁱ—Pr1—O1ⁱⁱⁱ	115.6 (9)	Pr2^xx—O1—O2	59.8 (6)
O1ⁱⁱ—Pr1—O3^iv	124.6 (10)	O1ⁱⁱ—O1—O1^xx	176.6 (17)
O1ⁱⁱ—Pr1—O3^v	95.7 (8)	O1ⁱⁱ—O1—O1ⁱⁱⁱ	89.4 (16)
O1ⁱⁱ—Pr1—O3^vi	163.1 (9)	O1ⁱⁱ—O1—O1^xxi	86.0 (15)
O1ⁱⁱ—Pr1—O3^vii	71.8 (7)	O1ⁱⁱ—O1—O2	79.5 (10)
O1ⁱⁱⁱ—Pr1—O3^iv	95.7 (8)	O1^xx—O1—O1ⁱⁱⁱ	94.0 (16)
O1ⁱⁱⁱ—Pr1—O3^v	124.6 (10)	O1^xx—O1—O1^xxi	90.6 (16)
O1ⁱⁱⁱ—Pr1—O3^vi	71.8 (7)	O1^xx—O1—O2	100.9 (11)
O1ⁱⁱⁱ—Pr1—O3^vii	163.1 (9)	O1ⁱⁱⁱ—O1—O1^xxi	175 (2)
O3^iv—Pr1—O3^v	102.5 (3)	O1ⁱⁱⁱ—O1—O2	81.8 (9)
O3^iv—Pr1—O3^vi	67.1 (4)	O1^xxi—O1—O2	97.3 (9)
O3^iv—Pr1—O3^vii	68.5 (4)	Pr2^iv—O2—Pr2^xx	98.86 (18)
O3^v—Pr1—O3^vi	68.5 (4)	Pr2^iv—O2—Mo2	123.5 (5)
O3^v—Pr1—O3^vii	67.1 (4)	Pr2^iv—O2—Mo2^xx	90.8 (4)
O3^vi—Pr1—O3^vii	105.7 (3)	Pr2^iv—O2—O1	48.3 (8)
O1^viii—Pr2—O1ⁱ	118.7 (9)	Pr2^iv—O2—O2ⁱ	102.7 (4)
O1^viii—Pr2—O1ⁱⁱ	75.7 (13)	Pr2^iv—O2—O2ⁱⁱ	141.7 (3)
O1^viii—Pr2—O1^ix	75.7 (12)	Pr2^iv—O2—O2^xx	55.2 (3)
O1^viii—Pr2—O2^viii	69.5 (7)	Pr2^iv—O2—O2ⁱⁱⁱ	54.8 (3)
O1^viii—Pr2—O2ⁱ	164.2 (9)	Pr2^iv—O2—O2^xxi	97.7 (4)
O1^viii—Pr2—O2ⁱⁱ	95.8 (8)	Pr2^iv—O2—O2^xix	114.3 (5)
O1^viii—Pr2—O2^ix	121.4 (10)	Pr2^xx—O2—Mo2	126.0 (6)
O1ⁱ—Pr2—O1ⁱⁱ	75.7 (12)	Pr2^xx—O2—Mo2^xx	91.7 (3)
O1ⁱ—Pr2—O1^ix	75.7 (13)	Pr2^xx—O2—O1	51.6 (8)
O1ⁱ—Pr2—O2^viii	164.2 (9)	Pr2^xx—O2—O2ⁱ	104.9 (4)
O1ⁱ—Pr2—O2ⁱ	69.5 (7)	Pr2^xx—O2—O2ⁱⁱ	56.6 (3)
O1ⁱ—Pr2—O2ⁱⁱ	121.4 (10)	Pr2^xx—O2—O2^xx	98.5 (4)
O1ⁱ—Pr2—O2^ix	95.8 (8)	Pr2^xx—O2—O2ⁱⁱⁱ	141.5 (2)
O1ⁱⁱ—Pr2—O1^ix	122.2 (8)	Pr2^xx—O2—O2^xxi	56.3 (3)
O1ⁱⁱ—Pr2—O2^viii	120.0 (9)	Pr2^xx—O2—O2^xix	114.7 (5)
O1ⁱⁱ—Pr2—O2ⁱ	94.6 (9)	Mo2—O2—Mo2^xx	116.9 (2)
O1ⁱⁱ—Pr2—O2ⁱⁱ	68.6 (6)	Mo2—O2—O1	142.7 (9)
O1ⁱⁱ—Pr2—O2^ix	162.7 (9)	Mo2—O2—O2ⁱ	39.7 (3)
O1^ix—Pr2—O2^viii	94.6 (9)	Mo2—O2—O2ⁱⁱ	69.5 (4)
O1^ix—Pr2—O2ⁱ	120.0 (9)	Mo2—O2—O2^xx	132.0 (4)
O1^ix—Pr2—O2ⁱⁱ	162.7 (9)	Mo2—O2—O2ⁱⁱⁱ	68.8 (4)
O1^ix—Pr2—O2^ix	68.6 (6)	Mo2—O2—O2^xxi	134.0 (4)
O2^viii—Pr2—O2ⁱ	106.3 (2)	Mo2—O2—O2^xix	79.2 (3)
O2^viii—Pr2—O2ⁱⁱ	68.2 (4)	Mo2^xx—O2—O1	100.3 (8)
O2^viii—Pr2—O2^ix	68.9 (3)	Mo2^xx—O2—O2ⁱ	156.49 (19)
O2ⁱ—Pr2—O2ⁱⁱ	68.9 (3)	Mo2^xx—O2—O2ⁱⁱ	116.4 (4)
O2ⁱ—Pr2—O2^ix	68.2 (4)	Mo2^xx—O2—O2^xx	35.7 (2)
O2ⁱⁱ—Pr2—O2^ix	104.8 (2)	Mo2^xx—O2—O2ⁱⁱⁱ	113.8 (5)
O3^iv—Mo1—O3^x	135.2 (2)	Mo2^xx—O2—O2^xxi	35.5 (2)
O3^iv—Mo1—O3^xi	98.3 (4)	Mo2^xx—O2—O2^xix	37.7 (3)
O3^iv—Mo1—O3^xii	98.3 (4)	O1—O2—O2ⁱ	103.1 (8)
O3^iv—Mo1—O3^xiii	75.1 (5)	O1—O2—O2ⁱⁱ	98.0 (9)
O3^iv—Mo1—O3^vii	77.0 (5)	O1—O2—O2^xx	77.5 (9)
O3^iv—Mo1—O3^xiv	61.6 (3)	O1—O2—O2ⁱⁱⁱ	94.0 (8)
O3^iv—Mo1—O3^xv	163.2 (3)	O1—O2—O2^xxi	79.2 (7)
O3^x—Mo1—O3^xi	98.3 (4)	O1—O2—O2^xix	138.0 (9)
O3^x—Mo1—O3^xii	98.3 (4)	O2ⁱ—O2—O2ⁱⁱ	62.9 (4)
O3^x—Mo1—O3^xiii	77.0 (5)	O2ⁱ—O2—O2^xx	150.4 (5)
O3^x—Mo1—O3^vii	75.1 (5)	O2ⁱ—O2—O2ⁱⁱⁱ	61.9 (4)
O3^x—Mo1—O3^xiv	163.2 (3)	O2ⁱ—O2—O2^xxi	154.5 (6)
O3^x—Mo1—O3^xv	61.6 (3)	O2ⁱ—O2—O2^xix	118.9 (4)
O3^xi—Mo1—O3^xii	135.2 (2)	O2ⁱⁱ—O2—O2^xx	146.7 (5)
O3^xi—Mo1—O3^xiii	61.6 (3)	O2ⁱⁱ—O2—O2ⁱⁱⁱ	124.8 (5)
O3^xi—Mo1—O3^vii	163.2 (3)	O2ⁱⁱ—O2—O2^xxi	91.6 (4)
O3^xi—Mo1—O3^xiv	77.0 (5)	O2ⁱⁱ—O2—O2^xix	103.3 (4)
O3^xi—Mo1—O3^xv	75.1 (5)	O2^xx—O2—O2ⁱⁱⁱ	88.4 (5)
O3^xii—Mo1—O3^xiii	163.2 (3)	O2^xx—O2—O2^xxi	55.2 (4)
O3^xii—Mo1—O3^vii	61.6 (3)	O2^xx—O2—O2^xix	64.9 (3)
O3^xii—Mo1—O3^xiv	75.1 (5)	O2ⁱⁱⁱ—O2—O2^xxi	143.6 (6)
O3^xii—Mo1—O3^xv	77.0 (5)	O2ⁱⁱⁱ—O2—O2^xix	102.6 (4)
O3^xiii—Mo1—O3^vii	101.6 (4)	O2^xxi—O2—O2^xix	64.5 (4)
O3^xiii—Mo1—O3^xiv	113.5 (6)	Pr1^viii—O3—Pr1^xxvi	97.0 (2)
O3^xiii—Mo1—O3^xv	113.5 (6)	Pr1^viii—O3—Mo1^viii	91.3 (4)
O3^vii—Mo1—O3^xiv	113.5 (6)	Pr1^viii—O3—Mo1^xxiv	128.0 (6)
O3^vii—Mo1—O3^xv	113.5 (6)	Pr1^viii—O3—O3^xxii	106.5 (4)
O3^xiv—Mo1—O3^xv	101.6 (4)	Pr1^viii—O3—O3^xi	105.6 (5)
O2—Mo2—O2ⁱ	100.6 (4)	Pr1^viii—O3—O3^xxiii	160.2 (5)
O2—Mo2—O2^xvi	114.1 (5)	Pr1^viii—O3—O3^xxiv	97.5 (5)
O2—Mo2—O2^xvii	114.1 (5)	Pr1^viii—O3—O3^xiii	58.0 (3)
O2—Mo2—O2ⁱⁱ	74.9 (4)	Pr1^viii—O3—O3^xxv	114.0 (6)
O2—Mo2—O2ⁱⁱⁱ	75.7 (4)	Pr1^xxvi—O3—Mo1^viii	89.4 (3)
O2—Mo2—O2^xviii	163.7 (3)	Pr1^xxvi—O3—Mo1^xxiv	122.8 (7)
O2—Mo2—O2^xix	63.1 (3)	Pr1^xxvi—O3—O3^xxii	101.9 (5)
O2ⁱ—Mo2—O2^xvi	114.1 (5)	Pr1^xxvi—O3—O3^xi	155.3 (6)
O2ⁱ—Mo2—O2^xvii	114.1 (5)	Pr1^xxvi—O3—O3^xxiii	101.3 (5)
O2ⁱ—Mo2—O2ⁱⁱ	75.7 (4)	Pr1^xxvi—O3—O3^xxiv	54.9 (3)
O2ⁱ—Mo2—O2ⁱⁱⁱ	74.9 (4)	Pr1^xxvi—O3—O3^xiii	141.5 (3)
O2ⁱ—Mo2—O2^xviii	63.1 (3)	Pr1^xxvi—O3—O3^xxv	113.2 (5)
O2ⁱ—Mo2—O2^xix	163.7 (3)	Mo1^viii—O3—Mo1^xxiv	118.3 (3)
O2^xvi—Mo2—O2^xvii	100.6 (4)	Mo1^viii—O3—O3^xxii	157.3 (3)
O2^xvi—Mo2—O2ⁱⁱ	163.7 (3)	Mo1^viii—O3—O3^xi	99.8 (3)
O2^xvi—Mo2—O2ⁱⁱⁱ	63.1 (3)	Mo1^viii—O3—O3^xxiii	96.3 (3)
O2^xvi—Mo2—O2^xviii	75.7 (4)	Mo1^viii—O3—O3^xxiv	34.6 (3)
O2^xvi—Mo2—O2^xix	74.9 (4)	Mo1^viii—O3—O3^xiii	117.3 (5)
O2^xvii—Mo2—O2ⁱⁱ	63.1 (3)	Mo1^viii—O3—O3^xxv	36.6 (3)
O2^xvii—Mo2—O2ⁱⁱⁱ	163.7 (3)	Mo1^xxiv—O3—O3^xxii	39.2 (3)
O2^xvii—Mo2—O2^xviii	74.9 (4)	Mo1^xxiv—O3—O3^xi	33.2 (3)
O2^xvii—Mo2—O2^xix	75.7 (4)	Mo1^xxiv—O3—O3^xxiii	33.2 (4)
O2ⁱⁱ—Mo2—O2ⁱⁱⁱ	133.14 (16)	Mo1^xxiv—O3—O3^xxiv	131.6 (5)
O2ⁱⁱ—Mo2—O2^xviii	99.1 (3)	Mo1^xxiv—O3—O3^xiii	70.3 (4)
O2ⁱⁱ—Mo2—O2^xix	99.1 (3)	Mo1^xxiv—O3—O3^xxv	81.8 (3)
O2ⁱⁱⁱ—Mo2—O2^xviii	99.1 (3)	O3^xxii—O3—O3^xi	62.4 (4)
O2ⁱⁱⁱ—Mo2—O2^xix	99.1 (3)	O3^xxii—O3—O3^xxiii	62.4 (4)
O2^xviii—Mo2—O2^xix	133.14 (16)	O3^xxii—O3—O3^xxiv	148.9 (7)
Pr1—O1—Pr1^xx	115.8 (8)	O3^xxii—O3—O3^xiii	64.2 (5)
Pr1—O1—Pr2^iv	106.9 (14)	O3^xxii—O3—O3^xxv	120.9 (4)
Pr1—O1—Pr2^xx	103.0 (16)	O3^xi—O3—O3^xxiii	55.2 (4)
Pr1—O1—O1ⁱⁱ	52.9 (10)	O3^xi—O3—O3^xxiv	129.5 (4)
Pr1—O1—O1^xx	129.6 (14)	O3^xi—O3—O3^xiii	51.8 (3)
Pr1—O1—O1ⁱⁱⁱ	52.9 (10)	O3^xi—O3—O3^xxv	66.5 (4)
Pr1—O1—O1^xxi	123.6 (15)	O3^xxiii—O3—O3^xxiv	99.1 (5)
Pr1—O1—O2	108.7 (13)	O3^xxiii—O3—O3^xiii	102.5 (5)
Pr1^xx—O1—Pr2^iv	107.6 (17)	O3^xxiii—O3—O3^xxv	65.1 (4)
Pr1^xx—O1—Pr2^xx	103.6 (13)	O3^xxiv—O3—O3^xiii	146.9 (7)
Pr1^xx—O1—O1ⁱⁱ	123.9 (14)	O3^xxiv—O3—O3^xxv	63.1 (4)
Pr1^xx—O1—O1^xx	53.5 (10)	O3^xiii—O3—O3^xxv	104.2 (5)

Symmetry codes: (i) −x+1, −y, z; (ii) x−1/2, −y+1/2, z; (iii) −x+3/2, y−1/2, z; (iv) x+1, y, z; (v) −x, −y, z; (vi) x+3/2, −y−1/2, z; (vii) −x−1/2, y+1/2, z; (viii) x−1, y, z; (ix) −x+1/2, y−1/2, z; (x) −x−1, −y, z; (xi) y, −x−1, −z; (xii) −y, x+1, −z; (xiii) x+1/2, −y−1/2, z; (xiv) y+1/2, x+1/2, −z; (xv) −y−1/2, −x−1/2, −z; (xvi) y+1/2, −x+1/2, −z+1/2; (xvii) −y+1/2, x−1/2, −z+1/2; (xviii) y, x−1, −z+1/2; (xix) −y+1, −x+1, −z+1/2; (xx) x+1/2, −y+1/2, z; (xxi) −x+3/2, y+1/2, z; (xxii) −x−1, −y−1, z; (xxiii) −y−1, x, −z; (xxiv) x−1/2, −y−1/2, z; (xxv) y−1/2, x+1/2, −z; (xxvi) x−3/2, −y−1/2, z.

(II) top

Crystal data top

Pr₂Mo_0.974Mg_0.026O_5.94	D_x = 6.078 Mg m⁻³
M_r = 470.9	Mo Kα radiation, λ = 0.71073 Å
Tetragonal, I4c2	Cell parameters from 9569 reflections
Hall symbol: I -4 -2c	θ = 3.9–74.1°
a = 5.6979 (1) Å	µ = 20.92 mm⁻¹
c = 31.7012 (2) Å	T = 295 K
V = 1029.21 (3) Å³	Plate, yellow-green
Z = 8	0.18 × 0.16 × 0.05 mm
F(000) = 1654

Data collection top

Xcalibur, EosS2 with high theta cut diffractometer	2155 independent reflections
Radiation source: X-ray tube	1161 reflections with I > 3σ(I)
Graphite monochromator	R_int = 0.046
Detector resolution: 16.1745 pixels mm^-1	θ_max = 62.7°, θ_min = 3.9°
ω scans	h = −14→14
Absorption correction: analytical CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018) Analytical numeric absorption correction using a multifaceted crystal model based on expressions derived by R.C. Clark & J.S. Reid. (Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897) Empirical absorption correction using spherical harmonics, implemented in SCALE3 ABSPACK scaling algorithm.	k = −12→13
T_min = 0.084, T_max = 0.464	l = −79→79
26319 measured reflections

Refinement top

Refinement on F	Weighting scheme based on measured s.u.'s w = 1/(σ²(F) + 0.000049F²)
R[F² > 2σ(F²)] = 0.011	(Δ/σ)_max = 0.028
wR(F²) = 0.016	Δρ_max = 0.88 e Å⁻³
S = 1.00	Δρ_min = −0.81 e Å⁻³
2155 reflections	Extinction correction: B-C type 2 (Becker & Coppens, 1974)
57 parameters	Extinction coefficient: 830 (30)
0 restraints	Absolute structure: 900 of Friedel pairs used in the refinement
0 constraints	Absolute structure parameter: 0.47 (4)

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å²) top

	x	y	z	U_iso*/U_eq	Occ. (<1)
Pr1	0.5	0	0.086976 (4)	0.00560 (3)	0.956 (1)
Pr1_1	0.5371 (18)	0.092 (2)	0.0874 (3)	0.00560 (3)	0.011
Pr1_2	0.4674 (16)	0.0551 (19)	0.0997 (3)	0.00560 (3)	0.011
Pr2	0	0	0.163185 (4)	0.00605 (3)	0.988 (1)
Pr2_1	0.044 (2)	0	0.1776 (4)	0.00605 (3)	0.006
Mo1	0	0	0	0.00900 (5)	0.972 (1)
Mg1	0	0	0.011 (3)	0.00900 (5)	0.014
Mo2	0.5	0	0.25	0.01029 (5)	0.976 (1)
Mg2	0.5	0	0.259 (3)	0.01029 (5)	0.012
O1	0.759 (6)	0.250 (4)	0.12477 (6)	0.0072 (14)	0.97 (1)
O2	0.6718 (8)	0.1656 (9)	0.21412 (9)	0.0135 (7)	0.96 (1)
O2_1	0.752 (10)	0.211 (11)	0.2057 (14)	0.0135 (7)	0.04
O3	0.3352 (9)	0.6768 (9)	0.03582 (7)	0.0126 (7)	0.97 (1)
O3_1	0.224 (13)	0.748 (17)	0.0339 (15)	0.0126 (7)	0.03

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Pr1	0.00459 (5)	0.00448 (5)	0.00773 (3)	0	0	0
Pr1_1	0.00459 (5)	0.00448 (5)	0.00773 (3)	0	0	0
Pr1_2	0.00459 (5)	0.00448 (5)	0.00773 (3)	0	0	0
Pr2	0.00432 (5)	0.00771 (6)	0.00611 (3)	0	0	0
Pr2_1	0.00432 (5)	0.00771 (6)	0.00611 (3)	0	0	0
Mo1	0.01078 (9)	0.01078 (9)	0.00544 (8)	0	0	0
Mg1	0.01078 (9)	0.01078 (9)	0.00544 (8)	0	0	0
Mo2	0.01268 (10)	0.01268 (10)	0.00549 (7)	0	0	0
Mg2	0.01268 (10)	0.01268 (10)	0.00549 (7)	0	0	0
O1	0.004 (4)	0.0071 (6)	0.0106 (2)	0.0026 (4)	0.0016 (17)	0.0012 (10)
O2	0.0118 (13)	0.0149 (15)	0.0139 (6)	0.0066 (7)	0.0041 (9)	−0.0008 (10)
O2_1	0.0118 (13)	0.0149 (15)	0.0139 (6)	0.0066 (7)	0.0041 (9)	−0.0008 (10)
O3	0.0131 (13)	0.0148 (14)	0.0098 (5)	0.0024 (8)	0.0006 (9)	−0.0019 (9)
O3_1	0.0131 (13)	0.0148 (14)	0.0098 (5)	0.0024 (8)	0.0006 (9)	−0.0019 (9)

Geometric parameters (Å, º) top

Pr1—Pr1_1	0.564 (11)	Pr1_2—O1ⁱ	2.31 (2)
Pr1—Pr1_1ⁱ	0.564 (11)	Pr1_2—O1ⁱⁱ	1.81 (2)
Pr1—Pr1_1ⁱⁱ	3.517 (11)	Pr1_2—O1ⁱⁱⁱ	2.47 (2)
Pr1—Pr1_1ⁱⁱⁱ	3.517 (11)	Pr2—Pr2_1	0.520 (13)
Pr1—Pr1_2	0.543 (9)	Pr2—Pr2_1^xi	0.520 (13)
Pr1—Pr1_2ⁱ	0.543 (9)	Pr2—O1^xii	2.32 (2)
Pr1—Pr1_2^iv	3.698 (10)	Pr2—O1ⁱ	2.32 (2)
Pr1—Pr1_2^v	3.698 (10)	Pr2—O1ⁱⁱ	2.39 (2)
Pr1—Pr2	3.7354 (1)	Pr2—O1^v	2.39 (2)
Pr1—Pr2^vi	3.7354 (1)	Pr2—O2_1^xii	2.29 (6)
Pr1—Pr2^vii	3.7354 (1)	Pr2—O2_1ⁱ	2.29 (6)
Pr1—Pr2^iv	3.7354 (1)	Pr2_1—Pr2_1^xi	0.496 (18)
Pr1—O1	2.38 (2)	Pr2_1—Pr2_1^v	3.695 (12)
Pr1—O1ⁱ	2.38 (2)	Pr2_1—Pr2_1^ix	3.695 (12)
Pr1—O1ⁱⁱ	2.31 (2)	Pr2_1—Mg2^xiii	3.28 (6)
Pr1—O1ⁱⁱⁱ	2.31 (2)	Pr2_1—Mg2^xiv	3.49 (6)
Pr1_1—Pr1_1ⁱ	1.127 (16)	Pr2_1—Mg2^xv	3.49 (6)
Pr1_1—Pr1_1ⁱⁱ	3.372 (15)	Pr2_1—O1ⁱ	2.468 (19)
Pr1_1—Pr1_1^iv	3.372 (15)	Pr2_1—O2ⁱ	2.205 (13)
Pr1_1—Pr1_1ⁱⁱⁱ	3.742 (16)	Pr2_1—O2ⁱⁱ	2.346 (9)
Pr1_1—Pr1_1^viii	3.742 (16)	Pr2_1—O2_1^xii	2.24 (6)
Pr1_1—Pr1_2	0.594 (14)	Pr2_1—O2_1ⁱ	1.90 (6)
Pr1_1—Pr1_2ⁱ	0.923 (15)	Pr2_1—O2_1ⁱⁱ	2.22 (6)
Pr1_1—Pr1_2^iv	3.195 (15)	Mo1—Mg1	0.35 (8)
Pr1_1—Pr2^vi	3.606 (10)	Mo1—Mg1^xvi	0.35 (8)
Pr1_1—Pr2^iv	3.352 (11)	Mo1—O3ⁱⁱ	1.785 (4)
Pr1_1—Pr2_1ⁱ	3.764 (16)	Mo1—O3^v	1.785 (4)
Pr1_1—Pr2_1^iv	3.687 (15)	Mo1—O3^xvii	1.785 (4)
Pr1_1—Pr2_1^ix	3.716 (15)	Mo1—O3^xviii	1.785 (4)
Pr1_1—Mg1^iv	3.36 (6)	Mg1—Mg1^xvi	0.70 (12)
Pr1_1—O1	1.96 (2)	Mg1—O3ⁱⁱ	1.59 (4)
Pr1_1—O1ⁱⁱ	2.17 (3)	Mg1—O3^v	1.59 (4)
Pr1_1—O3^x	2.223 (11)	Mg1—O3^xvii	2.03 (6)
Pr1_1—O3_1^x	2.36 (7)	Mg1—O3^xviii	2.03 (6)
Pr1_1—O3_1^v	2.42 (7)	Mg1—O3_1^xix	2.05 (9)
Pr1_2—Pr1_2ⁱ	0.730 (15)	Mg1—O3_1^xx	2.05 (9)
Pr1_2—Pr1_2ⁱⁱ	3.612 (14)	Mo2—Mg2	0.29 (10)
Pr1_2—Pr1_2^iv	3.612 (14)	Mo2—Mg2^xiii	0.29 (10)
Pr1_2—Pr1_2^v	3.775 (14)	Mo2—O2	1.773 (4)
Pr1_2—Pr1_2^ix	3.775 (14)	Mo2—O2ⁱ	1.773 (4)
Pr1_2—Pr2	3.353 (9)	Mo2—O2^xiii	1.773 (4)
Pr1_2—Pr2^vi	3.656 (9)	Mo2—O2^xxi	1.773 (4)
Pr1_2—Pr2^vii	3.754 (10)	Mg2—Mg2^xiii	0.58 (13)
Pr1_2—Pr2^iv	3.243 (10)	Mg2—O2	1.97 (7)
Pr1_2—Pr2_1	3.469 (16)	Mg2—O2ⁱ	1.97 (7)
Pr1_2—Pr2_1ⁱ	3.738 (16)	Mg2—O2^xiii	1.60 (5)
Pr1_2—Pr2_1^iv	3.566 (13)	Mg2—O2^xxi	1.60 (5)
Pr1_2—Pr2_1^ix	3.540 (13)	O2—O2_1	0.59 (6)
Pr1_2—O1	2.15 (3)	O3—O3_1	0.75 (8)

Pr1_1—Pr1—Pr1_1ⁱ	177.4 (14)	Pr1ⁱⁱ—Pr2—Pr1_2	62.62 (17)
Pr1_1—Pr1—Pr1_1ⁱⁱ	70.6 (11)	Pr1ⁱⁱ—Pr2—Pr1_2^xi	71.52 (18)
Pr1_1—Pr1—Pr1_1ⁱⁱⁱ	109.4 (11)	Pr1ⁱⁱ—Pr2—Pr1_2ⁱ	73.10 (16)
Pr1_1—Pr1—Pr1_2	64.9 (15)	Pr1ⁱⁱ—Pr2—Pr1_2^xxii	107.20 (14)
Pr1_1—Pr1—Pr1_2ⁱ	113.0 (15)	Pr1ⁱⁱ—Pr2—Pr1_2ⁱⁱ	3.76 (16)
Pr1_1—Pr1—Pr1_2^iv	24.8 (11)	Pr1ⁱⁱ—Pr2—Pr1_2^v	101.22 (17)
Pr1_1—Pr1—Pr1_2^v	154.5 (11)	Pr1ⁱⁱ—Pr2—Pr1_2^ix	8.32 (14)
Pr1_1—Pr1—Pr2	105.8 (10)	Pr1ⁱⁱ—Pr2—Pr2_1	124.6 (5)
Pr1_1—Pr1—Pr2^vi	72.5 (10)	Pr1ⁱⁱ—Pr2—Pr2_1^xi	124.6 (5)
Pr1_1—Pr1—Pr2^vii	133.8 (10)	Pr1ⁱⁱ—Pr2—O1^xii	36.2 (7)
Pr1_1—Pr1—Pr2^iv	43.8 (10)	Pr1ⁱⁱ—Pr2—O1ⁱ	97.38 (7)
Pr1_1—Pr1—O1	36.9 (10)	Pr1ⁱⁱ—Pr2—O1ⁱⁱ	38.3 (6)
Pr1_1—Pr1—O1ⁱ	141.0 (10)	Pr1ⁱⁱ—Pr2—O1^v	97.21 (7)
Pr1_1—Pr1—O1ⁱⁱ	68.9 (12)	Pr1ⁱⁱ—Pr2—O2_1^xii	88.8 (14)
Pr1_1—Pr1—O1ⁱⁱⁱ	109.7 (12)	Pr1ⁱⁱ—Pr2—O2_1ⁱ	141.2 (15)
Pr1_1ⁱ—Pr1—Pr1_1ⁱⁱ	109.4 (11)	Pr1_1^xii—Pr2—Pr1_1ⁱ	96.4 (2)
Pr1_1ⁱ—Pr1—Pr1_1ⁱⁱⁱ	70.6 (11)	Pr1_1^xii—Pr2—Pr1_1ⁱⁱ	57.8 (2)
Pr1_1ⁱ—Pr1—Pr1_2	113.0 (15)	Pr1_1^xii—Pr2—Pr1_1^v	64.9 (3)
Pr1_1ⁱ—Pr1—Pr1_2ⁱ	64.9 (15)	Pr1_1^xii—Pr2—Pr1_2^xii	9.4 (2)
Pr1_1ⁱ—Pr1—Pr1_2^iv	154.5 (11)	Pr1_1^xii—Pr2—Pr1_2	99.6 (2)
Pr1_1ⁱ—Pr1—Pr1_2^v	24.8 (11)	Pr1_1^xii—Pr2—Pr1_2^xi	14.7 (3)
Pr1_1ⁱ—Pr1—Pr2	72.5 (10)	Pr1_1^xii—Pr2—Pr1_2ⁱ	104.6 (2)
Pr1_1ⁱ—Pr1—Pr2^vi	105.8 (10)	Pr1_1^xii—Pr2—Pr1_2^xxii	74.2 (2)
Pr1_1ⁱ—Pr1—Pr2^vii	43.8 (10)	Pr1_1^xii—Pr2—Pr1_2ⁱⁱ	55.3 (2)
Pr1_1ⁱ—Pr1—Pr2^iv	133.8 (10)	Pr1_1^xii—Pr2—Pr1_2^v	75.0 (2)
Pr1_1ⁱ—Pr1—O1	141.0 (10)	Pr1_1^xii—Pr2—Pr1_2^ix	63.7 (2)
Pr1_1ⁱ—Pr1—O1ⁱ	36.9 (10)	Pr1_1^xii—Pr2—Pr2_1	159.2 (13)
Pr1_1ⁱ—Pr1—O1ⁱⁱ	109.7 (12)	Pr1_1^xii—Pr2—Pr2_1^xi	103.7 (14)
Pr1_1ⁱ—Pr1—O1ⁱⁱⁱ	68.9 (12)	Pr1_1^xii—Pr2—O1^xii	29.5 (4)
Pr1_1ⁱⁱ—Pr1—Pr1_1ⁱⁱⁱ	179.6 (2)	Pr1_1^xii—Pr2—O1ⁱ	99.8 (6)
Pr1_1ⁱⁱ—Pr1—Pr1_2	50.1 (10)	Pr1_1^xii—Pr2—O1ⁱⁱ	91.5 (6)
Pr1_1ⁱⁱ—Pr1—Pr1_2ⁱ	129.5 (10)	Pr1_1^xii—Pr2—O1^v	45.1 (4)
Pr1_1ⁱⁱ—Pr1—Pr1_2^iv	94.9 (2)	Pr1_1^xii—Pr2—O2_1^xii	82.2 (13)
Pr1_1ⁱⁱ—Pr1—Pr1_2^v	85.0 (2)	Pr1_1^xii—Pr2—O2_1ⁱ	156.7 (15)
Pr1_1ⁱⁱ—Pr1—Pr2	54.95 (17)	Pr1_1ⁱ—Pr2—Pr1_1ⁱⁱ	64.9 (3)
Pr1_1ⁱⁱ—Pr1—Pr2^vi	124.73 (17)	Pr1_1ⁱ—Pr2—Pr1_1^v	57.8 (2)
Pr1_1ⁱⁱ—Pr1—Pr2^vii	120.15 (17)	Pr1_1ⁱ—Pr2—Pr1_2^xii	104.6 (2)
Pr1_1ⁱⁱ—Pr1—Pr2^iv	59.55 (17)	Pr1_1ⁱ—Pr2—Pr1_2	14.7 (3)
Pr1_1ⁱⁱ—Pr1—O1	93.9 (6)	Pr1_1ⁱ—Pr2—Pr1_2^xi	99.6 (2)
Pr1_1ⁱⁱ—Pr1—O1ⁱ	85.9 (6)	Pr1_1ⁱ—Pr2—Pr1_2ⁱ	9.4 (2)
Pr1_1ⁱⁱ—Pr1—O1ⁱⁱ	31.3 (4)	Pr1_1ⁱ—Pr2—Pr1_2^xxii	63.7 (2)
Pr1_1ⁱⁱ—Pr1—O1ⁱⁱⁱ	148.3 (4)	Pr1_1ⁱ—Pr2—Pr1_2ⁱⁱ	75.0 (2)
Pr1_1ⁱⁱⁱ—Pr1—Pr1_2	129.5 (10)	Pr1_1ⁱ—Pr2—Pr1_2^v	55.3 (2)
Pr1_1ⁱⁱⁱ—Pr1—Pr1_2ⁱ	50.1 (10)	Pr1_1ⁱ—Pr2—Pr1_2^ix	74.2 (2)
Pr1_1ⁱⁱⁱ—Pr1—Pr1_2^iv	85.0 (2)	Pr1_1ⁱ—Pr2—Pr2_1	103.7 (14)
Pr1_1ⁱⁱⁱ—Pr1—Pr1_2^v	94.9 (2)	Pr1_1ⁱ—Pr2—Pr2_1^xi	159.2 (13)
Pr1_1ⁱⁱⁱ—Pr1—Pr2	124.73 (17)	Pr1_1ⁱ—Pr2—O1^xii	99.8 (6)
Pr1_1ⁱⁱⁱ—Pr1—Pr2^vi	54.95 (17)	Pr1_1ⁱ—Pr2—O1ⁱ	29.5 (4)
Pr1_1ⁱⁱⁱ—Pr1—Pr2^vii	59.55 (17)	Pr1_1ⁱ—Pr2—O1ⁱⁱ	45.1 (4)
Pr1_1ⁱⁱⁱ—Pr1—Pr2^iv	120.15 (17)	Pr1_1ⁱ—Pr2—O1^v	91.5 (6)
Pr1_1ⁱⁱⁱ—Pr1—O1	85.9 (6)	Pr1_1ⁱ—Pr2—O2_1^xii	156.7 (15)
Pr1_1ⁱⁱⁱ—Pr1—O1ⁱ	93.9 (6)	Pr1_1ⁱ—Pr2—O2_1ⁱ	82.2 (13)
Pr1_1ⁱⁱⁱ—Pr1—O1ⁱⁱ	148.3 (4)	Pr1_1ⁱⁱ—Pr2—Pr1_1^v	88.4 (3)
Pr1_1ⁱⁱⁱ—Pr1—O1ⁱⁱⁱ	31.3 (4)	Pr1_1ⁱⁱ—Pr2—Pr1_2^xii	66.3 (2)
Pr1_2—Pr1—Pr1_2ⁱ	84.4 (14)	Pr1_1ⁱⁱ—Pr2—Pr1_2	56.9 (2)
Pr1_2—Pr1—Pr1_2^iv	76.7 (10)	Pr1_1ⁱⁱ—Pr2—Pr1_2^xi	71.6 (2)
Pr1_2—Pr1—Pr1_2^v	94.0 (10)	Pr1_1ⁱⁱ—Pr2—Pr1_2ⁱ	67.2 (2)
Pr1_2—Pr1—Pr2	42.3 (10)	Pr1_1ⁱⁱ—Pr2—Pr1_2^xxii	101.7 (2)
Pr1_2—Pr1—Pr2^vi	77.4 (9)	Pr1_1ⁱⁱ—Pr2—Pr1_2ⁱⁱ	10.2 (2)
Pr1_2—Pr1—Pr2^vii	87.8 (11)	Pr1_1ⁱⁱ—Pr2—Pr1_2^v	95.4 (2)
Pr1_2—Pr1—Pr2^iv	23.1 (10)	Pr1_1ⁱⁱ—Pr2—Pr1_2^ix	13.5 (2)
Pr1_2—Pr1—O1	59.5 (12)	Pr1_1ⁱⁱ—Pr2—Pr2_1	126.9 (7)
Pr1_2—Pr1—O1ⁱ	76.1 (11)	Pr1_1ⁱⁱ—Pr2—Pr2_1^xi	131.3 (6)
Pr1_2—Pr1—O1ⁱⁱ	19.4 (11)	Pr1_1ⁱⁱ—Pr2—O1^xii	40.1 (7)
Pr1_2—Pr1—O1ⁱⁱⁱ	100.1 (10)	Pr1_1ⁱⁱ—Pr2—O1ⁱ	90.70 (19)
Pr1_2ⁱ—Pr1—Pr1_2^iv	94.0 (10)	Pr1_1ⁱⁱ—Pr2—O1ⁱⁱ	35.0 (6)
Pr1_2ⁱ—Pr1—Pr1_2^v	76.7 (10)	Pr1_1ⁱⁱ—Pr2—O1^v	95.03 (18)
Pr1_2ⁱ—Pr1—Pr2	77.4 (9)	Pr1_1ⁱⁱ—Pr2—O2_1^xii	95.5 (14)
Pr1_2ⁱ—Pr1—Pr2^vi	42.3 (10)	Pr1_1ⁱⁱ—Pr2—O2_1ⁱ	138.2 (14)
Pr1_2ⁱ—Pr1—Pr2^vii	23.1 (10)	Pr1_1^v—Pr2—Pr1_2^xii	67.2 (2)
Pr1_2ⁱ—Pr1—Pr2^iv	87.8 (11)	Pr1_1^v—Pr2—Pr1_2	71.6 (2)
Pr1_2ⁱ—Pr1—O1	76.1 (11)	Pr1_1^v—Pr2—Pr1_2^xi	56.9 (2)
Pr1_2ⁱ—Pr1—O1ⁱ	59.5 (12)	Pr1_1^v—Pr2—Pr1_2ⁱ	66.3 (2)
Pr1_2ⁱ—Pr1—O1ⁱⁱ	100.1 (10)	Pr1_1^v—Pr2—Pr1_2^xxii	13.5 (2)
Pr1_2ⁱ—Pr1—O1ⁱⁱⁱ	19.4 (11)	Pr1_1^v—Pr2—Pr1_2ⁱⁱ	95.4 (2)
Pr1_2^iv—Pr1—Pr1_2^v	167.51 (19)	Pr1_1^v—Pr2—Pr1_2^v	10.2 (2)
Pr1_2^iv—Pr1—Pr2	118.61 (14)	Pr1_1^v—Pr2—Pr1_2^ix	101.7 (2)
Pr1_2^iv—Pr1—Pr2^vi	51.72 (15)	Pr1_1^v—Pr2—Pr2_1	131.3 (6)
Pr1_2^iv—Pr1—Pr2^vii	116.89 (14)	Pr1_1^v—Pr2—Pr2_1^xi	126.9 (7)
Pr1_2^iv—Pr1—Pr2^iv	53.62 (14)	Pr1_1^v—Pr2—O1^xii	90.70 (19)
Pr1_2^iv—Pr1—O1	24.0 (3)	Pr1_1^v—Pr2—O1ⁱ	40.1 (7)
Pr1_2^iv—Pr1—O1ⁱ	143.5 (3)	Pr1_1^v—Pr2—O1ⁱⁱ	95.03 (18)
Pr1_2^iv—Pr1—O1ⁱⁱ	87.0 (6)	Pr1_1^v—Pr2—O1^v	35.0 (6)
Pr1_2^iv—Pr1—O1ⁱⁱⁱ	86.5 (6)	Pr1_1^v—Pr2—O2_1^xii	138.2 (14)
Pr1_2^v—Pr1—Pr2	51.72 (15)	Pr1_1^v—Pr2—O2_1ⁱ	95.5 (14)
Pr1_2^v—Pr1—Pr2^vi	118.61 (14)	Pr1_2^xii—Pr2—Pr1_2	108.7 (2)
Pr1_2^v—Pr1—Pr2^vii	53.62 (14)	Pr1_2^xii—Pr2—Pr1_2^xi	10.9 (2)
Pr1_2^v—Pr1—Pr2^iv	116.89 (14)	Pr1_2^xii—Pr2—Pr1_2ⁱ	113.16 (19)
Pr1_2^v—Pr1—O1	143.5 (3)	Pr1_2^xii—Pr2—Pr1_2^xxii	74.7 (2)
Pr1_2^v—Pr1—O1ⁱ	24.0 (3)	Pr1_2^xii—Pr2—Pr1_2ⁱⁱ	62.8 (2)
Pr1_2^v—Pr1—O1ⁱⁱ	86.5 (6)	Pr1_2^xii—Pr2—Pr1_2^v	76.9 (2)
Pr1_2^v—Pr1—O1ⁱⁱⁱ	87.0 (6)	Pr1_2^xii—Pr2—Pr1_2^ix	70.9 (2)
Pr2—Pr1—Pr2^vi	99.404 (4)	Pr1_2^xii—Pr2—Pr2_1	151.6 (14)
Pr2—Pr1—Pr2^vii	65.272 (2)	Pr1_2^xii—Pr2—Pr2_1^xi	95.1 (14)
Pr2—Pr1—Pr2^iv	65.272 (2)	Pr1_2^xii—Pr2—O1^xii	33.7 (5)
Pr2—Pr1—O1	98.5 (5)	Pr1_2^xii—Pr2—O1ⁱ	104.7 (6)
Pr2—Pr1—O1ⁱ	36.8 (4)	Pr1_2^xii—Pr2—O1ⁱⁱ	100.5 (6)
Pr2—Pr1—O1ⁱⁱ	38.1 (4)	Pr1_2^xii—Pr2—O1^v	42.0 (5)
Pr2—Pr1—O1ⁱⁱⁱ	96.7 (6)	Pr1_2^xii—Pr2—O2_1^xii	76.5 (13)
Pr2^vi—Pr1—Pr2^vii	65.272 (2)	Pr1_2^xii—Pr2—O2_1ⁱ	151.7 (16)
Pr2^vi—Pr1—Pr2^iv	65.272 (2)	Pr1_2—Pr2—Pr1_2^xi	106.2 (2)
Pr2^vi—Pr1—O1	36.8 (4)	Pr1_2—Pr2—Pr1_2ⁱ	10.9 (2)
Pr2^vi—Pr1—O1ⁱ	98.5 (5)	Pr1_2—Pr2—Pr1_2^xxii	78.2 (2)
Pr2^vi—Pr1—O1ⁱⁱ	96.7 (6)	Pr1_2—Pr2—Pr1_2ⁱⁱ	66.4 (2)
Pr2^vi—Pr1—O1ⁱⁱⁱ	38.1 (4)	Pr1_2—Pr2—Pr1_2^v	69.8 (2)
Pr2^vii—Pr1—Pr2^iv	99.404 (4)	Pr1_2—Pr2—Pr1_2^ix	63.9 (2)
Pr2^vii—Pr1—O1	97.51 (7)	Pr1_2—Pr2—Pr2_1	98.6 (14)
Pr2^vii—Pr1—O1ⁱ	38.5 (6)	Pr1_2—Pr2—Pr2_1^xi	155.0 (14)
Pr2^vii—Pr1—O1ⁱⁱ	97.76 (8)	Pr1_2—Pr2—O1^xii	95.5 (6)
Pr2^vii—Pr1—O1ⁱⁱⁱ	36.4 (7)	Pr1_2—Pr2—O1ⁱ	43.4 (5)
Pr2^iv—Pr1—O1	38.5 (6)	Pr1_2—Pr2—O1ⁱⁱ	31.4 (5)
Pr2^iv—Pr1—O1ⁱ	97.51 (7)	Pr1_2—Pr2—O1^v	104.0 (6)
Pr2^iv—Pr1—O1ⁱⁱ	36.4 (7)	Pr1_2—Pr2—O2_1^xii	142.5 (16)
Pr2^iv—Pr1—O1ⁱⁱⁱ	97.76 (8)	Pr1_2—Pr2—O2_1ⁱ	84.9 (13)
O1—Pr1—O1ⁱ	119.4 (4)	Pr1_2^xi—Pr2—Pr1_2ⁱ	108.7 (2)
O1—Pr1—O1ⁱⁱ	74.8 (9)	Pr1_2^xi—Pr2—Pr1_2^xxii	63.9 (2)
O1—Pr1—O1ⁱⁱⁱ	74.9 (5)	Pr1_2^xi—Pr2—Pr1_2ⁱⁱ	69.8 (2)
O1ⁱ—Pr1—O1ⁱⁱ	74.9 (5)	Pr1_2^xi—Pr2—Pr1_2^v	66.4 (2)
O1ⁱ—Pr1—O1ⁱⁱⁱ	74.8 (9)	Pr1_2^xi—Pr2—Pr1_2^ix	78.2 (2)
O1ⁱⁱ—Pr1—O1ⁱⁱⁱ	117.6 (4)	Pr1_2^xi—Pr2—Pr2_1	155.0 (14)
Pr1—Pr1_1—Pr1^iv	153.4 (12)	Pr1_2^xi—Pr2—Pr2_1^xi	98.6 (14)
Pr1—Pr1_1—Pr1_1ⁱ	1.3 (7)	Pr1_2^xi—Pr2—O1^xii	43.4 (5)
Pr1—Pr1_1—Pr1_1ⁱⁱ	100.3 (11)	Pr1_2^xi—Pr2—O1ⁱ	95.5 (6)
Pr1—Pr1_1—Pr1_1^iv	144.4 (12)	Pr1_2^xi—Pr2—O1ⁱⁱ	104.0 (6)
Pr1—Pr1_1—Pr1_1ⁱⁱⁱ	62.5 (10)	Pr1_2^xi—Pr2—O1^v	31.4 (5)
Pr1—Pr1_1—Pr1_1^viii	161.6 (12)	Pr1_2^xi—Pr2—O2_1^xii	84.9 (13)
Pr1—Pr1_1—Pr1_2	55.9 (14)	Pr1_2^xi—Pr2—O2_1ⁱ	142.5 (16)
Pr1—Pr1_1—Pr1_2ⁱ	32.8 (9)	Pr1_2ⁱ—Pr2—Pr1_2^xxii	70.9 (2)
Pr1—Pr1_1—Pr1_2^iv	150.9 (13)	Pr1_2ⁱ—Pr2—Pr1_2ⁱⁱ	76.9 (2)
Pr1—Pr1_1—Pr2^vi	98.9 (11)	Pr1_2ⁱ—Pr2—Pr1_2^v	62.8 (2)
Pr1—Pr1_1—Pr2^iv	129.5 (11)	Pr1_2ⁱ—Pr2—Pr1_2^ix	74.7 (2)
Pr1—Pr1_1—Pr2_1ⁱ	97.3 (11)	Pr1_2ⁱ—Pr2—Pr2_1	95.1 (14)
Pr1—Pr1_1—Pr2_1^iv	127.3 (11)	Pr1_2ⁱ—Pr2—Pr2_1^xi	151.6 (14)
Pr1—Pr1_1—Pr2_1^ix	123.4 (11)	Pr1_2ⁱ—Pr2—O1^xii	104.7 (6)
Pr1—Pr1_1—Mg1^iv	127.0 (14)	Pr1_2ⁱ—Pr2—O1ⁱ	33.7 (5)
Pr1—Pr1_1—O1	133.1 (13)	Pr1_2ⁱ—Pr2—O1ⁱⁱ	42.0 (5)
Pr1—Pr1_1—O1ⁱⁱ	97.1 (12)	Pr1_2ⁱ—Pr2—O1^v	100.5 (6)
Pr1—Pr1_1—O3^x	131.0 (12)	Pr1_2ⁱ—Pr2—O2_1^xii	151.7 (16)
Pr1—Pr1_1—O3_1^x	124 (2)	Pr1_2ⁱ—Pr2—O2_1ⁱ	76.5 (13)
Pr1—Pr1_1—O3_1^v	95 (2)	Pr1_2^xxii—Pr2—Pr1_2ⁱⁱ	108.8 (2)
Pr1^iv—Pr1_1—Pr1_1ⁱ	153.5 (9)	Pr1_2^xxii—Pr2—Pr1_2^v	8.6 (2)
Pr1^iv—Pr1_1—Pr1_1ⁱⁱ	106.2 (4)	Pr1_2^xxii—Pr2—Pr1_2^ix	115.1 (2)
Pr1^iv—Pr1_1—Pr1_1^iv	9.08 (19)	Pr1_2^xxii—Pr2—Pr2_1	119.7 (4)
Pr1^iv—Pr1_1—Pr1_1ⁱⁱⁱ	91.0 (3)	Pr1_2^xxii—Pr2—Pr2_1^xi	116.6 (5)
Pr1^iv—Pr1_1—Pr1_1^viii	8.17 (17)	Pr1_2^xxii—Pr2—O1^xii	101.9 (2)
Pr1^iv—Pr1_1—Pr1_2	137.4 (15)	Pr1_2^xxii—Pr2—O1ⁱ	39.7 (7)
Pr1^iv—Pr1_1—Pr1_2ⁱ	128.4 (9)	Pr1_2^xxii—Pr2—O1ⁱⁱ	105.08 (17)
Pr1^iv—Pr1_1—Pr1_2^iv	7.49 (16)	Pr1_2^xxii—Pr2—O1^v	36.2 (6)
Pr1^iv—Pr1_1—Pr2^vi	63.24 (18)	Pr1_2^xxii—Pr2—O2_1^xii	136.5 (15)
Pr1^iv—Pr1_1—Pr2^iv	65.8 (2)	Pr1_2^xxii—Pr2—O2_1ⁱ	84.5 (14)
Pr1^iv—Pr1_1—Pr2_1ⁱ	67.6 (2)	Pr1_2ⁱⁱ—Pr2—Pr1_2^v	103.2 (2)
Pr1^iv—Pr1_1—Pr2_1^iv	65.0 (3)	Pr1_2ⁱⁱ—Pr2—Pr1_2^ix	8.6 (2)
Pr1^iv—Pr1_1—Pr2_1^ix	71.4 (3)	Pr1_2ⁱⁱ—Pr2—Pr2_1	125.0 (5)
Pr1^iv—Pr1_1—Mg1^iv	65.6 (5)	Pr1_2ⁱⁱ—Pr2—Pr2_1^xi	121.2 (6)
Pr1^iv—Pr1_1—O1	37.9 (4)	Pr1_2ⁱⁱ—Pr2—O1^xii	33.0 (7)
Pr1^iv—Pr1_1—O1ⁱⁱ	105.8 (6)	Pr1_2ⁱⁱ—Pr2—O1ⁱ	100.81 (17)
Pr1^iv—Pr1_1—O3^x	50.2 (2)	Pr1_2ⁱⁱ—Pr2—O1ⁱⁱ	41.6 (6)
Pr1^iv—Pr1_1—O3_1^x	46.2 (17)	Pr1_2ⁱⁱ—Pr2—O1^v	96.6 (2)
Pr1^iv—Pr1_1—O3_1^v	102 (2)	Pr1_2ⁱⁱ—Pr2—O2_1^xii	85.4 (14)
Pr1_1ⁱ—Pr1_1—Pr1_1ⁱⁱ	100.3 (8)	Pr1_2ⁱⁱ—Pr2—O2_1ⁱ	144.1 (15)
Pr1_1ⁱ—Pr1_1—Pr1_1^iv	144.4 (9)	Pr1_2^v—Pr2—Pr1_2^ix	108.8 (2)
Pr1_1ⁱ—Pr1_1—Pr1_1ⁱⁱⁱ	62.5 (7)	Pr1_2^v—Pr2—Pr2_1	121.2 (6)
Pr1_1ⁱ—Pr1_1—Pr1_1^viii	161.6 (9)	Pr1_2^v—Pr2—Pr2_1^xi	125.0 (5)
Pr1_1ⁱ—Pr1_1—Pr1_2	54.8 (14)	Pr1_2^v—Pr2—O1^xii	100.81 (17)
Pr1_1ⁱ—Pr1_1—Pr1_2ⁱ	31.8 (8)	Pr1_2^v—Pr2—O1ⁱ	33.0 (7)
Pr1_1ⁱ—Pr1_1—Pr1_2^iv	150.6 (9)	Pr1_2^v—Pr2—O1ⁱⁱ	96.6 (2)
Pr1_1ⁱ—Pr1_1—Pr2^vi	98.1 (8)	Pr1_2^v—Pr2—O1^v	41.6 (6)
Pr1_1ⁱ—Pr1_1—Pr2^iv	128.3 (8)	Pr1_2^v—Pr2—O2_1^xii	144.1 (15)
Pr1_1ⁱ—Pr1_1—Pr2_1ⁱ	96.3 (8)	Pr1_2^v—Pr2—O2_1ⁱ	85.4 (14)
Pr1_1ⁱ—Pr1_1—Pr2_1^iv	126.1 (8)	Pr1_2^ix—Pr2—Pr2_1	116.6 (5)
Pr1_1ⁱ—Pr1_1—Pr2_1^ix	122.3 (8)	Pr1_2^ix—Pr2—Pr2_1^xi	119.7 (4)
Pr1_1ⁱ—Pr1_1—Mg1^iv	128.1 (11)	Pr1_2^ix—Pr2—O1^xii	39.7 (7)
Pr1_1ⁱ—Pr1_1—O1	132.1 (9)	Pr1_2^ix—Pr2—O1ⁱ	101.9 (2)
Pr1_1ⁱ—Pr1_1—O1ⁱⁱ	96.4 (9)	Pr1_2^ix—Pr2—O1ⁱⁱ	36.2 (6)
Pr1_1ⁱ—Pr1_1—O3^x	132.3 (9)	Pr1_2^ix—Pr2—O1^v	105.08 (17)
Pr1_1ⁱ—Pr1_1—O3_1^x	125 (2)	Pr1_2^ix—Pr2—O2_1^xii	84.5 (14)
Pr1_1ⁱ—Pr1_1—O3_1^v	96 (2)	Pr1_2^ix—Pr2—O2_1ⁱ	136.5 (15)
Pr1_1ⁱⁱ—Pr1_1—Pr1_1^iv	115.3 (4)	Pr2_1—Pr2—Pr2_1^xi	57 (2)
Pr1_1ⁱⁱ—Pr1_1—Pr1_1ⁱⁱⁱ	162.8 (4)	Pr2_1—Pr2—O1^xii	138.0 (6)
Pr1_1ⁱⁱ—Pr1_1—Pr1_1^viii	98.1 (4)	Pr2_1—Pr2—O1ⁱ	100.3 (12)
Pr1_1ⁱⁱ—Pr1_1—Pr1_2	67.8 (14)	Pr2_1—Pr2—O1ⁱⁱ	98.8 (12)
Pr1_1ⁱⁱ—Pr1_1—Pr1_2ⁱ	117.5 (9)	Pr2_1—Pr2—O1^v	138.0 (6)
Pr1_1ⁱⁱ—Pr1_1—Pr1_2^iv	108.1 (4)	Pr2_1—Pr2—O2_1^xii	77.2 (17)
Pr1_1ⁱⁱ—Pr1_1—Pr2^vi	134.1 (4)	Pr2_1—Pr2—O2_1ⁱ	35.9 (15)
Pr1_1ⁱⁱ—Pr1_1—Pr2^iv	64.9 (3)	Pr2_1^xi—Pr2—O1^xii	100.3 (12)
Pr1_1ⁱⁱ—Pr1_1—Pr2_1ⁱ	127.6 (4)	Pr2_1^xi—Pr2—O1ⁱ	138.0 (6)
Pr1_1ⁱⁱ—Pr1_1—Pr2_1^iv	70.8 (3)	Pr2_1^xi—Pr2—O1ⁱⁱ	138.0 (6)
Pr1_1ⁱⁱ—Pr1_1—Pr2_1^ix	63.9 (3)	Pr2_1^xi—Pr2—O1^v	98.8 (12)
Pr1_1ⁱⁱ—Pr1_1—Mg1^iv	65.0 (5)	Pr2_1^xi—Pr2—O2_1^xii	35.9 (15)
Pr1_1ⁱⁱ—Pr1_1—O1	107.5 (8)	Pr2_1^xi—Pr2—O2_1ⁱ	77.2 (17)
Pr1_1ⁱⁱ—Pr1_1—O1ⁱⁱ	33.2 (4)	O1^xii—Pr2—O1ⁱ	116.7 (4)
Pr1_1ⁱⁱ—Pr1_1—O3^x	87.7 (4)	O1^xii—Pr2—O1ⁱⁱ	74.4 (9)
Pr1_1ⁱⁱ—Pr1_1—O3_1^x	106 (2)	O1^xii—Pr2—O1^v	74.5 (5)
Pr1_1ⁱⁱ—Pr1_1—O3_1^v	44.3 (16)	O1^xii—Pr2—O2_1^xii	67.8 (13)
Pr1_1^iv—Pr1_1—Pr1_1ⁱⁱⁱ	81.9 (3)	O1^xii—Pr2—O2_1ⁱ	173.6 (15)
Pr1_1^iv—Pr1_1—Pr1_1^viii	17.2 (3)	O1ⁱ—Pr2—O1ⁱⁱ	74.5 (5)
Pr1_1^iv—Pr1_1—Pr1_2	138.8 (14)	O1ⁱ—Pr2—O1^v	74.4 (9)
Pr1_1^iv—Pr1_1—Pr1_2ⁱ	120.5 (10)	O1ⁱ—Pr2—O2_1^xii	173.6 (15)
Pr1_1^iv—Pr1_1—Pr1_2^iv	9.9 (2)	O1ⁱ—Pr2—O2_1ⁱ	67.8 (13)
Pr1_1^iv—Pr1_1—Pr2^vi	57.3 (2)	O1ⁱⁱ—Pr2—O1^v	118.7 (4)
Pr1_1^iv—Pr1_1—Pr2^iv	71.5 (3)	O1ⁱⁱ—Pr2—O2_1^xii	111.6 (16)
Pr1_1^iv—Pr1_1—Pr2_1ⁱ	62.5 (3)	O1ⁱⁱ—Pr2—O2_1ⁱ	103.3 (16)
Pr1_1^iv—Pr1_1—Pr2_1^iv	69.8 (3)	O1^v—Pr2—O2_1^xii	103.3 (16)
Pr1_1^iv—Pr1_1—Pr2_1^ix	76.7 (3)	O1^v—Pr2—O2_1ⁱ	111.6 (16)
Pr1_1^iv—Pr1_1—Mg1^iv	71.5 (4)	O2_1^xii—Pr2—O2_1ⁱ	108.1 (18)
Pr1_1^iv—Pr1_1—O1	37.4 (6)	Pr1_1ⁱ—Pr2_1—Pr1_1ⁱⁱ	60.3 (3)
Pr1_1^iv—Pr1_1—O1ⁱⁱ	113.1 (7)	Pr1_1ⁱ—Pr2_1—Pr1_1^v	53.6 (3)
Pr1_1^iv—Pr1_1—O3^x	53.6 (3)	Pr1_1ⁱ—Pr2_1—Pr1_2	13.9 (3)
Pr1_1^iv—Pr1_1—O3_1^x	46.0 (16)	Pr1_1ⁱ—Pr2_1—Pr1_2ⁱ	9.1 (2)
Pr1_1^iv—Pr1_1—O3_1^v	109 (2)	Pr1_1ⁱ—Pr2_1—Pr1_2ⁱⁱ	69.5 (3)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr1_1^viii	99.2 (3)	Pr1_1ⁱ—Pr2_1—Pr1_2^v	51.8 (3)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr1_2	99.6 (15)	Pr1_1ⁱ—Pr2_1—Pr2	68.6 (14)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr1_2ⁱ	47.8 (8)	Pr1_1ⁱ—Pr2_1—Pr2_1^xi	129 (2)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr1_2^iv	89.0 (3)	Pr1_1ⁱ—Pr2_1—Pr2_1^v	59.3 (3)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr2^vi	54.2 (2)	Pr1_1ⁱ—Pr2_1—Pr2_1^ix	72.7 (3)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr2^iv	124.7 (3)	Pr1_1ⁱ—Pr2_1—Mg2^xiii	87.8 (13)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr2_1ⁱ	58.9 (3)	Pr1_1ⁱ—Pr2_1—Mg2^xiv	111.6 (10)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr2_1^iv	118.3 (4)	Pr1_1ⁱ—Pr2_1—Mg2^xv	126.5 (9)
Pr1_1ⁱⁱⁱ—Pr1_1—Pr2_1^ix	123.8 (4)	Pr1_1ⁱ—Pr2_1—O1ⁱ	27.8 (5)
Pr1_1ⁱⁱⁱ—Pr1_1—Mg1^iv	124.6 (8)	Pr1_1ⁱ—Pr2_1—O2ⁱ	82.7 (4)
Pr1_1ⁱⁱⁱ—Pr1_1—O1	86.0 (7)	Pr1_1ⁱ—Pr2_1—O2ⁱⁱ	106.9 (4)
Pr1_1ⁱⁱⁱ—Pr1_1—O1ⁱⁱ	142.0 (5)	Pr1_1ⁱ—Pr2_1—O2_1^xii	148.1 (14)
Pr1_1ⁱⁱⁱ—Pr1_1—O3^x	103.9 (4)	Pr1_1ⁱ—Pr2_1—O2_1ⁱ	83.0 (15)
Pr1_1ⁱⁱⁱ—Pr1_1—O3_1^x	85 (2)	Pr1_1ⁱ—Pr2_1—O2_1ⁱⁱ	93.9 (14)
Pr1_1ⁱⁱⁱ—Pr1_1—O3_1^v	132.7 (19)	Pr1_1ⁱⁱ—Pr2_1—Pr1_1^v	78.3 (3)
Pr1_1^viii—Pr1_1—Pr1_2	134.5 (15)	Pr1_1ⁱⁱ—Pr2_1—Pr1_2	52.9 (3)
Pr1_1^viii—Pr1_1—Pr1_2ⁱ	135.1 (10)	Pr1_1ⁱⁱ—Pr2_1—Pr1_2ⁱ	63.1 (3)
Pr1_1^viii—Pr1_1—Pr1_2^iv	12.4 (2)	Pr1_1ⁱⁱ—Pr2_1—Pr1_2ⁱⁱ	9.2 (2)
Pr1_1^viii—Pr1_1—Pr2^vi	68.7 (2)	Pr1_1ⁱⁱ—Pr2_1—Pr1_2^v	84.8 (4)
Pr1_1^viii—Pr1_1—Pr2^iv	60.8 (2)	Pr1_1ⁱⁱ—Pr2_1—Pr2	46.6 (7)
Pr1_1^viii—Pr1_1—Pr2_1ⁱ	72.2 (3)	Pr1_1ⁱⁱ—Pr2_1—Pr2_1^xi	89.4 (17)
Pr1_1^viii—Pr1_1—Pr2_1^iv	60.9 (3)	Pr1_1ⁱⁱ—Pr2_1—Pr2_1^v	119.5 (4)
Pr1_1^viii—Pr1_1—Pr2_1^ix	66.6 (3)	Pr1_1ⁱⁱ—Pr2_1—Pr2_1^ix	61.3 (3)
Pr1_1^viii—Pr1_1—Mg1^iv	60.9 (6)	Pr1_1ⁱⁱ—Pr2_1—Mg2^xiii	118.8 (10)
Pr1_1^viii—Pr1_1—O1	39.6 (4)	Pr1_1ⁱⁱ—Pr2_1—Mg2^xiv	163.6 (13)
Pr1_1^viii—Pr1_1—O1ⁱⁱ	99.0 (6)	Pr1_1ⁱⁱ—Pr2_1—Mg2^xv	86.0 (13)
Pr1_1^viii—Pr1_1—O3^x	48.4 (3)	Pr1_1ⁱⁱ—Pr2_1—O1ⁱ	80.9 (4)
Pr1_1^viii—Pr1_1—O3_1^x	48.0 (19)	Pr1_1ⁱⁱ—Pr2_1—O2ⁱ	133.2 (5)
Pr1_1^viii—Pr1_1—O3_1^v	97 (2)	Pr1_1ⁱⁱ—Pr2_1—O2ⁱⁱ	82.7 (2)
Pr1_2—Pr1_1—Pr1_2ⁱ	52.2 (14)	Pr1_1ⁱⁱ—Pr2_1—O2_1^xii	87.8 (14)
Pr1_2—Pr1_1—Pr1_2^iv	130.8 (15)	Pr1_1ⁱⁱ—Pr2_1—O2_1ⁱ	140.3 (17)
Pr1_2—Pr1_1—Pr2^vi	90.1 (13)	Pr1_1ⁱⁱ—Pr2_1—O2_1ⁱⁱ	81.2 (13)
Pr1_2—Pr1_1—Pr2^iv	74.4 (14)	Pr1_1^v—Pr2_1—Pr1_2	66.1 (3)
Pr1_2—Pr1_1—Pr2_1ⁱ	83.0 (13)	Pr1_1^v—Pr2_1—Pr1_2ⁱ	62.0 (3)
Pr1_2—Pr1_1—Pr2_1^iv	73.7 (14)	Pr1_1^v—Pr2_1—Pr1_2ⁱⁱ	84.1 (4)
Pr1_2—Pr1_1—Pr2_1^ix	68.4 (14)	Pr1_1^v—Pr2_1—Pr1_2^v	9.0 (2)
Pr1_2—Pr1_1—Mg1^iv	132.2 (15)	Pr1_1^v—Pr2_1—Pr2	42.6 (5)
Pr1_2—Pr1_1—O1	101.4 (15)	Pr1_1^v—Pr2_1—Pr2_1^xi	82.9 (17)
Pr1_2—Pr1_1—O1ⁱⁱ	45.7 (14)	Pr1_1^v—Pr2_1—Pr2_1^v	66.2 (3)
Pr1_2—Pr1_1—O3^x	155.4 (16)	Pr1_1^v—Pr2_1—Pr2_1^ix	124.2 (4)
Pr1_2—Pr1_1—O3_1^x	173 (2)	Pr1_1^v—Pr2_1—Mg2^xiii	124.6 (9)
Pr1_2—Pr1_1—O3_1^v	100 (2)	Pr1_1^v—Pr2_1—Mg2^xiv	85.6 (13)
Pr1_2ⁱ—Pr1_1—Pr1_2^iv	122.7 (10)	Pr1_1^v—Pr2_1—Mg2^xv	160.7 (11)
Pr1_2ⁱ—Pr1_1—Pr2^vi	66.9 (8)	Pr1_1^v—Pr2_1—O1ⁱ	34.2 (7)
Pr1_2ⁱ—Pr1_1—Pr2^iv	108.9 (9)	Pr1_1^v—Pr2_1—O2ⁱ	103.1 (3)
Pr1_2ⁱ—Pr1_1—Pr2_1ⁱ	64.6 (8)	Pr1_1^v—Pr2_1—O2ⁱⁱ	157.9 (5)
Pr1_2ⁱ—Pr1_1—Pr2_1^iv	104.2 (9)	Pr1_1^v—Pr2_1—O2_1^xii	123.4 (15)
Pr1_2ⁱ—Pr1_1—Pr2_1^ix	103.8 (9)	Pr1_1^v—Pr2_1—O2_1ⁱ	92.3 (16)
Pr1_2ⁱ—Pr1_1—Mg1^iv	158.2 (13)	Pr1_1^v—Pr2_1—O2_1ⁱⁱ	147.2 (14)
Pr1_2ⁱ—Pr1_1—O1	100.3 (9)	Pr1_2—Pr2_1—Pr1_2ⁱ	10.8 (2)
Pr1_2ⁱ—Pr1_1—O1ⁱⁱ	97.2 (9)	Pr1_2—Pr2_1—Pr1_2ⁱⁱ	61.8 (3)
Pr1_2ⁱ—Pr1_1—O3^x	149.0 (11)	Pr1_2—Pr2_1—Pr1_2^v	65.2 (3)
Pr1_2ⁱ—Pr1_1—O3_1^x	132 (2)	Pr1_2—Pr2_1—Pr2	72.9 (14)
Pr1_2ⁱ—Pr1_1—O3_1^v	128 (2)	Pr1_2—Pr2_1—Pr2_1^xi	134 (2)
Pr1_2^iv—Pr1_1—Pr2^vi	56.6 (2)	Pr1_2—Pr2_1—Pr2_1^v	68.1 (3)
Pr1_2^iv—Pr1_1—Pr2^iv	61.6 (3)	Pr1_2—Pr2_1—Pr2_1^ix	59.1 (3)
Pr1_2^iv—Pr1_1—Pr2_1ⁱ	60.5 (3)	Pr1_2—Pr2_1—Mg2^xiii	83.3 (13)
Pr1_2^iv—Pr1_1—Pr2_1^iv	60.0 (3)	Pr1_2—Pr2_1—Mg2^xiv	122.2 (8)
Pr1_2^iv—Pr1_1—Pr2_1^ix	66.8 (3)	Pr1_2—Pr2_1—Mg2^xv	112.6 (9)
Pr1_2^iv—Pr1_1—Mg1^iv	72.6 (6)	Pr1_2—Pr2_1—O1ⁱ	41.6 (5)
Pr1_2^iv—Pr1_1—O1	30.5 (5)	Pr1_2—Pr2_1—O2ⁱ	84.3 (4)
Pr1_2^iv—Pr1_1—O1ⁱⁱ	103.3 (7)	Pr1_2—Pr2_1—O2ⁱⁱ	93.5 (4)
Pr1_2^iv—Pr1_1—O3^x	57.6 (3)	Pr1_2—Pr2_1—O2_1^xii	138.8 (15)
Pr1_2^iv—Pr1_1—O3_1^x	53.2 (17)	Pr1_2—Pr2_1—O2_1ⁱ	87.9 (16)
Pr1_2^iv—Pr1_1—O3_1^v	109 (2)	Pr1_2—Pr2_1—O2_1ⁱⁱ	81.1 (13)
Pr2^vi—Pr1_1—Pr2^iv	70.66 (19)	Pr1_2ⁱ—Pr2_1—Pr1_2ⁱⁱ	72.1 (3)
Pr2^vi—Pr1_1—Pr2_1ⁱ	7.7 (2)	Pr1_2ⁱ—Pr2_1—Pr1_2^v	59.4 (3)
Pr2^vi—Pr1_1—Pr2_1^iv	64.4 (2)	Pr1_2ⁱ—Pr2_1—Pr2	77.0 (14)
Pr2^vi—Pr1_1—Pr2_1^ix	70.6 (3)	Pr1_2ⁱ—Pr2_1—Pr2_1^xi	138 (2)
Pr2^vi—Pr1_1—Mg1^iv	128.7 (5)	Pr1_2ⁱ—Pr2_1—Pr2_1^v	57.3 (3)
Pr2^vi—Pr1_1—O1	35.8 (4)	Pr1_2ⁱ—Pr2_1—Pr2_1^ix	65.8 (3)
Pr2^vi—Pr1_1—O1ⁱⁱ	103.2 (6)	Pr1_2ⁱ—Pr2_1—Mg2^xiii	79.3 (13)
Pr2^vi—Pr1_1—O3^x	109.7 (4)	Pr1_2ⁱ—Pr2_1—Mg2^xiv	111.4 (8)
Pr2^vi—Pr1_1—O3_1^x	96.5 (16)	Pr1_2ⁱ—Pr2_1—Mg2^xv	120.1 (7)
Pr2^vi—Pr1_1—O3_1^v	165 (2)	Pr1_2ⁱ—Pr2_1—O1ⁱ	33.3 (6)
Pr2^iv—Pr1_1—Pr2_1ⁱ	65.9 (2)	Pr1_2ⁱ—Pr2_1—O2ⁱ	76.3 (4)
Pr2^iv—Pr1_1—Pr2_1^iv	6.48 (16)	Pr1_2ⁱ—Pr2_1—O2ⁱⁱ	99.3 (4)
Pr2^iv—Pr1_1—Pr2_1^ix	6.04 (15)	Pr1_2ⁱ—Pr2_1—O2_1^xii	149.6 (15)
Pr2^iv—Pr1_1—Mg1^iv	91.8 (10)	Pr1_2ⁱ—Pr2_1—O2_1ⁱ	78.3 (16)
Pr2^iv—Pr1_1—O1	44.5 (8)	Pr1_2ⁱ—Pr2_1—O2_1ⁱⁱ	85.9 (14)
Pr2^iv—Pr1_1—O1ⁱⁱ	43.5 (6)	Pr1_2ⁱⁱ—Pr2_1—Pr1_2^v	91.3 (4)
Pr2^iv—Pr1_1—O3^x	97.8 (4)	Pr1_2ⁱⁱ—Pr2_1—Pr2	48.2 (4)
Pr2^iv—Pr1_1—O3_1^x	106 (2)	Pr1_2ⁱⁱ—Pr2_1—Pr2_1^xi	83.0 (15)
Pr2^iv—Pr1_1—O3_1^v	102 (2)	Pr1_2ⁱⁱ—Pr2_1—Pr2_1^v	128.7 (4)
Pr2_1ⁱ—Pr1_1—Pr2_1^iv	59.4 (3)	Pr1_2ⁱⁱ—Pr2_1—Pr2_1^ix	61.9 (3)
Pr2_1ⁱ—Pr1_1—Pr2_1^ix	65.2 (3)	Pr1_2ⁱⁱ—Pr2_1—Mg2^xiii	121.3 (8)
Pr2_1ⁱ—Pr1_1—Mg1^iv	133.1 (6)	Pr1_2ⁱⁱ—Pr2_1—Mg2^xiv	165.7 (10)
Pr2_1ⁱ—Pr1_1—O1	36.1 (3)	Pr1_2ⁱⁱ—Pr2_1—Mg2^xv	79.0 (13)
Pr2_1ⁱ—Pr1_1—O1ⁱⁱ	96.0 (6)	Pr1_2ⁱⁱ—Pr2_1—O1ⁱ	89.7 (4)
Pr2_1ⁱ—Pr1_1—O3^x	115.7 (4)	Pr1_2ⁱⁱ—Pr2_1—O2ⁱ	139.2 (5)
Pr2_1ⁱ—Pr1_1—O3_1^x	103.5 (16)	Pr1_2ⁱⁱ—Pr2_1—O2ⁱⁱ	78.6 (2)
Pr2_1ⁱ—Pr1_1—O3_1^v	166 (2)	Pr1_2ⁱⁱ—Pr2_1—O2_1^xii	78.6 (14)
Pr2_1^iv—Pr1_1—Pr2_1^ix	7.7 (3)	Pr1_2ⁱⁱ—Pr2_1—O2_1ⁱ	148.2 (18)
Pr2_1^iv—Pr1_1—Mg1^iv	97.0 (10)	Pr1_2ⁱⁱ—Pr2_1—O2_1ⁱⁱ	79.3 (14)
Pr2_1^iv—Pr1_1—O1	39.9 (8)	Pr1_2^v—Pr2_1—Pr2	51.5 (6)
Pr2_1^iv—Pr1_1—O1ⁱⁱ	47.3 (7)	Pr1_2^v—Pr2_1—Pr2_1^xi	89.0 (15)
Pr2_1^iv—Pr1_1—O3^x	101.1 (4)	Pr1_2^v—Pr2_1—Pr2_1^v	57.3 (3)
Pr2_1^iv—Pr1_1—O3_1^x	108 (2)	Pr1_2^v—Pr2_1—Pr2_1^ix	124.3 (4)
Pr2_1^iv—Pr1_1—O3_1^v	108 (2)	Pr1_2^v—Pr2_1—Mg2^xiii	116.1 (9)
Pr2_1^ix—Pr1_1—Mg1^iv	96.5 (10)	Pr1_2^v—Pr2_1—Mg2^xiv	79.4 (13)
Pr2_1^ix—Pr1_1—O1	47.5 (8)	Pr1_2^v—Pr2_1—Mg2^xv	169.6 (12)
Pr2_1^ix—Pr1_1—O1ⁱⁱ	39.6 (7)	Pr1_2^v—Pr2_1—O1ⁱ	28.5 (7)
Pr2_1^ix—Pr1_1—O3^x	103.6 (4)	Pr1_2^v—Pr2_1—O2ⁱ	94.2 (3)
Pr2_1^ix—Pr1_1—O3_1^x	112 (2)	Pr1_2^v—Pr2_1—O2ⁱⁱ	158.6 (5)
Pr2_1^ix—Pr1_1—O3_1^v	103.4 (19)	Pr1_2^v—Pr2_1—O2_1^xii	130.5 (15)
Mg1^iv—Pr1_1—O1	99.1 (8)	Pr1_2^v—Pr2_1—O2_1ⁱ	83.3 (16)
Mg1^iv—Pr1_1—O1ⁱⁱ	93.4 (8)	Pr1_2^v—Pr2_1—O2_1ⁱⁱ	145.3 (15)
Mg1^iv—Pr1_1—O3^x	23.2 (3)	Pr2—Pr2_1—Pr2_1^xi	62 (2)
Mg1^iv—Pr1_1—O3_1^x	42 (2)	Pr2—Pr2_1—Pr2_1^v	107.7 (9)
Mg1^iv—Pr1_1—O3_1^v	37 (2)	Pr2—Pr2_1—Pr2_1^ix	107.7 (9)
O1—Pr1_1—O1ⁱⁱ	87.1 (10)	Pr2—Pr2_1—Mg2^xiii	156 (2)
O1—Pr1_1—O3^x	87.7 (5)	Pr2—Pr2_1—Mg2^xiv	118.1 (12)
O1—Pr1_1—O3_1^x	83.3 (18)	Pr2—Pr2_1—Mg2^xv	118.1 (12)
O1—Pr1_1—O3_1^v	131 (2)	Pr2—Pr2_1—O1ⁱ	67.7 (12)
O1ⁱⁱ—Pr1_1—O3^x	113.1 (5)	Pr2—Pr2_1—O2ⁱ	144.3 (12)
O1ⁱⁱ—Pr1_1—O3_1^x	131 (2)	Pr2—Pr2_1—O2ⁱⁱ	125.6 (3)
O1ⁱⁱ—Pr1_1—O3_1^v	77.4 (16)	Pr2—Pr2_1—O2_1^xii	89.7 (17)
O3^x—Pr1_1—O3_1^x	19 (2)	Pr2—Pr2_1—O2_1ⁱ	134.9 (18)
O3^x—Pr1_1—O3_1^v	58.0 (18)	Pr2—Pr2_1—O2_1ⁱⁱ	127.4 (15)
O3_1^x—Pr1_1—O3_1^v	73 (2)	Pr2_1^xi—Pr2_1—Pr2_1^v	129.5 (2)
Pr1—Pr1_2—Pr1ⁱⁱ	124.2 (10)	Pr2_1^xi—Pr2_1—Pr2_1^ix	129.5 (2)
Pr1—Pr1_2—Pr1_1	59.2 (14)	Pr2_1^xi—Pr2_1—Mg2^xiii	142 (3)
Pr1—Pr1_2—Pr1_1ⁱ	34.2 (9)	Pr2_1^xi—Pr2_1—Mg2^xiv	85.9 (12)
Pr1—Pr1_2—Pr1_1ⁱⁱ	122.4 (11)	Pr2_1^xi—Pr2_1—Mg2^xv	85.9 (12)
Pr1—Pr1_2—Pr1_2ⁱ	47.8 (11)	Pr2_1^xi—Pr2_1—O1ⁱ	117.0 (19)
Pr1—Pr1_2—Pr1_2ⁱⁱ	128.7 (10)	Pr2_1^xi—Pr2_1—O2ⁱ	137.4 (18)
Pr1—Pr1_2—Pr1_2^iv	94.9 (10)	Pr2_1^xi—Pr2_1—O2ⁱⁱ	108.2 (12)
Pr1—Pr1_2—Pr1_2^v	77.8 (10)	Pr2_1^xi—Pr2_1—O2_1^xii	42.0 (19)
Pr1—Pr1_2—Pr1_2^ix	131.4 (11)	Pr2_1^xi—Pr2_1—O2_1ⁱ	128 (2)
Pr1—Pr1_2—Pr2	131.5 (12)	Pr2_1^xi—Pr2_1—O2_1ⁱⁱ	122.4 (19)
Pr1—Pr1_2—Pr2^vi	94.3 (10)	Pr2_1^v—Pr2_1—Pr2_1^ix	100.9 (4)
Pr1—Pr1_2—Pr2^vii	83.9 (11)	Pr2_1^v—Pr2_1—Mg2^xiii	59.7 (6)
Pr1—Pr1_2—Pr2^iv	153.2 (12)	Pr2_1^v—Pr2_1—Mg2^xiv	54.3 (7)
Pr1—Pr1_2—Pr2_1	135.5 (12)	Pr2_1^v—Pr2_1—Mg2^xv	132.4 (9)
Pr1—Pr1_2—Pr2_1ⁱ	100.7 (10)	Pr2_1^v—Pr2_1—O1ⁱ	42.8 (4)
Pr1—Pr1_2—Pr2_1^iv	151.9 (11)	Pr2_1^v—Pr2_1—O2ⁱ	37.0 (2)
Pr1—Pr1_2—Pr2_1^ix	159.5 (12)	Pr2_1^v—Pr2_1—O2ⁱⁱ	115.3 (5)
Pr1—Pr1_2—O1	107.9 (12)	Pr2_1^v—Pr2_1—O2_1^xii	152.6 (14)
Pr1—Pr1_2—O1ⁱ	90.7 (12)	Pr2_1^v—Pr2_1—O2_1ⁱ	28.3 (15)
Pr1—Pr1_2—O1ⁱⁱ	154.9 (14)	Pr2_1^v—Pr2_1—O2_1ⁱⁱ	103.4 (16)
Pr1—Pr1_2—O1ⁱⁱⁱ	67.4 (10)	Pr2_1^ix—Pr2_1—Mg2^xiii	59.7 (6)
Pr1ⁱⁱ—Pr1_2—Pr1_1	99.8 (15)	Pr2_1^ix—Pr2_1—Mg2^xiv	132.4 (9)
Pr1ⁱⁱ—Pr1_2—Pr1_1ⁱ	123.7 (9)	Pr2_1^ix—Pr2_1—Mg2^xv	54.3 (7)
Pr1ⁱⁱ—Pr1_2—Pr1_1ⁱⁱ	4.2 (2)	Pr2_1^ix—Pr2_1—O1ⁱ	98.9 (7)
Pr1ⁱⁱ—Pr1_2—Pr1_2ⁱ	163.0 (12)	Pr2_1^ix—Pr2_1—O2ⁱ	82.1 (4)
Pr1ⁱⁱ—Pr1_2—Pr1_2ⁱⁱ	8.42 (15)	Pr2_1^ix—Pr2_1—O2ⁱⁱ	34.5 (3)
Pr1ⁱⁱ—Pr1_2—Pr1_2^iv	98.4 (3)	Pr2_1^ix—Pr2_1—O2_1^xii	93.4 (16)
Pr1ⁱⁱ—Pr1_2—Pr1_2^v	92.6 (2)	Pr2_1^ix—Pr2_1—O2_1ⁱ	95.6 (19)
Pr1ⁱⁱ—Pr1_2—Pr1_2^ix	8.25 (14)	Pr2_1^ix—Pr2_1—O2_1ⁱⁱ	23.9 (12)
Pr1ⁱⁱ—Pr1_2—Pr2	63.75 (16)	Mg2^xiii—Pr2_1—Mg2^xiv	72.9 (10)
Pr1ⁱⁱ—Pr1_2—Pr2^vi	135.8 (3)	Mg2^xiii—Pr2_1—Mg2^xv	72.9 (10)
Pr1ⁱⁱ—Pr1_2—Pr2^vii	132.2 (3)	Mg2^xiii—Pr2_1—O1ⁱ	93.1 (13)
Pr1ⁱⁱ—Pr1_2—Pr2^iv	64.73 (19)	Mg2^xiii—Pr2_1—O2ⁱ	25.4 (2)
Pr1ⁱⁱ—Pr1_2—Pr2_1	68.8 (2)	Mg2^xiii—Pr2_1—O2ⁱⁱ	56.8 (4)
Pr1ⁱⁱ—Pr1_2—Pr2_1ⁱ	131.8 (3)	Mg2^xiii—Pr2_1—O2_1^xii	110.2 (17)
Pr1ⁱⁱ—Pr1_2—Pr2_1^iv	71.1 (3)	Mg2^xiii—Pr2_1—O2_1ⁱ	39.3 (18)
Pr1ⁱⁱ—Pr1_2—Pr2_1^ix	64.7 (3)	Mg2^xiii—Pr2_1—O2_1ⁱⁱ	48.0 (15)
Pr1ⁱⁱ—Pr1_2—O1	104.1 (6)	Mg2^xiv—Pr2_1—Mg2^xv	109.3 (18)
Pr1ⁱⁱ—Pr1_2—O1ⁱ	98.6 (7)	Mg2^xiv—Pr2_1—O1ⁱ	87.2 (11)
Pr1ⁱⁱ—Pr1_2—O1ⁱⁱ	32.4 (4)	Mg2^xiv—Pr2_1—O2ⁱ	53.2 (4)
Pr1ⁱⁱ—Pr1_2—O1ⁱⁱⁱ	166.6 (5)	Mg2^xiv—Pr2_1—O2ⁱⁱ	113.6 (13)
Pr1_1—Pr1_2—Pr1_1ⁱ	93.4 (17)	Mg2^xiv—Pr2_1—O2_1^xii	99.0 (17)
Pr1_1—Pr1_2—Pr1_1ⁱⁱ	102.3 (15)	Mg2^xiv—Pr2_1—O2_1ⁱ	42.1 (18)
Pr1_1—Pr1_2—Pr1_2ⁱ	87.8 (17)	Mg2^xiv—Pr2_1—O2_1ⁱⁱ	114.4 (18)
Pr1_1—Pr1_2—Pr1_2ⁱⁱ	108.2 (15)	Mg2^xv—Pr2_1—O1ⁱ	153.2 (9)
Pr1_1—Pr1_2—Pr1_2^iv	42.0 (13)	Mg2^xv—Pr2_1—O2ⁱ	95.7 (10)
Pr1_1—Pr1_2—Pr1_2^v	134.7 (15)	Mg2^xv—Pr2_1—O2ⁱⁱ	22.6 (2)
Pr1_1—Pr1_2—Pr1_2^ix	100.0 (15)	Mg2^xv—Pr2_1—O2_1^xii	44.0 (15)
Pr1_1—Pr1_2—Pr2	163.3 (16)	Mg2^xv—Pr2_1—O2_1ⁱ	107 (2)
Pr1_1—Pr1_2—Pr2^vi	80.6 (13)	Mg2^xv—Pr2_1—O2_1ⁱⁱ	37.0 (15)
Pr1_1—Pr1_2—Pr2^vii	127.9 (15)	O1ⁱ—Pr2_1—O2ⁱ	77.0 (6)
Pr1_1—Pr1_2—Pr2^iv	95.4 (15)	O1ⁱ—Pr2_1—O2ⁱⁱ	131.4 (8)
Pr1_1—Pr1_2—Pr2_1	164.6 (16)	O1ⁱ—Pr2_1—O2_1^xii	156.6 (16)
Pr1_1—Pr1_2—Pr2_1ⁱ	88.0 (13)	O1ⁱ—Pr2_1—O2_1ⁱ	70.9 (15)
Pr1_1—Pr1_2—Pr2_1^iv	97.1 (15)	O1ⁱ—Pr2_1—O2_1ⁱⁱ	117.2 (16)
Pr1_1—Pr1_2—Pr2_1^ix	102.6 (15)	O2ⁱ—Pr2_1—O2ⁱⁱ	81.9 (4)
Pr1_1—Pr1_2—O1	62.9 (13)	O2ⁱ—Pr2_1—O2_1^xii	124.6 (13)
Pr1_1—Pr1_2—O1ⁱ	149.9 (17)	O2ⁱ—Pr2_1—O2_1ⁱ	14.1 (18)
Pr1_1—Pr1_2—O1ⁱⁱ	120.7 (17)	O2ⁱ—Pr2_1—O2_1ⁱⁱ	73.4 (16)
Pr1_1—Pr1_2—O1ⁱⁱⁱ	92.1 (15)	O2ⁱⁱ—Pr2_1—O2_1^xii	66.4 (15)
Pr1_1ⁱ—Pr1_2—Pr1_1ⁱⁱ	119.9 (9)	O2ⁱⁱ—Pr2_1—O2_1ⁱ	95.3 (18)
Pr1_1ⁱ—Pr1_2—Pr1_2ⁱ	40.0 (11)	O2ⁱⁱ—Pr2_1—O2_1ⁱⁱ	14.4 (15)
Pr1_1ⁱ—Pr1_2—Pr1_2ⁱⁱ	122.4 (9)	O2_1^xii—Pr2_1—O2_1ⁱ	128 (2)
Pr1_1ⁱ—Pr1_2—Pr1_2^iv	125.4 (9)	O2_1^xii—Pr2_1—O2_1ⁱⁱ	81 (2)
Pr1_1ⁱ—Pr1_2—Pr1_2^v	45.4 (8)	O2_1ⁱ—Pr2_1—O2_1ⁱⁱ	87 (2)
Pr1_1ⁱ—Pr1_2—Pr1_2^ix	131.7 (9)	Mg1—Mo1—Mg1^xvi	180.0 (5)
Pr1_1ⁱ—Pr1_2—Pr2	98.4 (9)	Mg1—Mo1—O3ⁱⁱ	50.49 (12)
Pr1_1ⁱ—Pr1_2—Pr2^vi	100.2 (9)	Mg1—Mo1—O3^v	50.49 (12)
Pr1_1ⁱ—Pr1_2—Pr2^vii	57.6 (8)	Mg1—Mo1—O3^xvii	129.51 (12)
Pr1_1ⁱ—Pr1_2—Pr2^iv	166.4 (10)	Mg1—Mo1—O3^xviii	129.51 (12)
Pr1_1ⁱ—Pr1_2—Pr2_1	101.5 (9)	Mg1^xvi—Mo1—O3ⁱⁱ	129.51 (12)
Pr1_1ⁱ—Pr1_2—Pr2_1ⁱ	102.9 (9)	Mg1^xvi—Mo1—O3^v	129.51 (12)
Pr1_1ⁱ—Pr1_2—Pr2_1^iv	160.0 (10)	Mg1^xvi—Mo1—O3^xvii	50.49 (12)
Pr1_1ⁱ—Pr1_2—Pr2_1^ix	160.5 (10)	Mg1^xvi—Mo1—O3^xviii	50.49 (12)
Pr1_1ⁱ—Pr1_2—O1	130.1 (11)	O3ⁱⁱ—Mo1—O3^v	100.97 (17)
Pr1_1ⁱ—Pr1_2—O1ⁱ	56.5 (9)	O3ⁱⁱ—Mo1—O3^xvii	113.9 (2)
Pr1_1ⁱ—Pr1_2—O1ⁱⁱ	136.4 (13)	O3ⁱⁱ—Mo1—O3^xviii	113.9 (2)
Pr1_1ⁱ—Pr1_2—O1ⁱⁱⁱ	61.0 (9)	O3^v—Mo1—O3^xvii	113.9 (2)
Pr1_1ⁱⁱ—Pr1_2—Pr1_2ⁱ	158.8 (12)	O3^v—Mo1—O3^xviii	113.9 (2)
Pr1_1ⁱⁱ—Pr1_2—Pr1_2ⁱⁱ	7.2 (2)	O3^xvii—Mo1—O3^xviii	100.97 (17)
Pr1_1ⁱⁱ—Pr1_2—Pr1_2^iv	102.6 (4)	Pr1_1ⁱⁱ—Mg1—Pr1_1^v	88.0 (19)
Pr1_1ⁱⁱ—Pr1_2—Pr1_2^v	88.4 (3)	Pr1_1ⁱⁱ—Mg1—Mo1	136.0 (10)
Pr1_1ⁱⁱ—Pr1_2—Pr1_2^ix	11.9 (2)	Pr1_1ⁱⁱ—Mg1—Mg1^xvi	136.0 (10)
Pr1_1ⁱⁱ—Pr1_2—Pr2	61.5 (2)	Pr1_1ⁱⁱ—Mg1—O3ⁱⁱ	97 (3)
Pr1_1ⁱⁱ—Pr1_2—Pr2^vi	139.3 (4)	Pr1_1ⁱⁱ—Mg1—O3^v	33.6 (14)
Pr1_1ⁱⁱ—Pr1_2—Pr2^vii	129.3 (3)	Pr1_1ⁱⁱ—Mg1—O3^xvii	144.8 (3)
Pr1_1ⁱⁱ—Pr1_2—Pr2^iv	68.1 (3)	Pr1_1ⁱⁱ—Mg1—O3^xviii	103.8 (5)
Pr1_1ⁱⁱ—Pr1_2—Pr2_1	67.0 (3)	Pr1_1ⁱⁱ—Mg1—O3_1^xix	101 (3)
Pr1_1ⁱⁱ—Pr1_2—Pr2_1ⁱ	134.9 (4)	Pr1_1ⁱⁱ—Mg1—O3_1^xx	46 (2)
Pr1_1ⁱⁱ—Pr1_2—Pr2_1^iv	74.4 (3)	Pr1_1^v—Mg1—Mo1	136.0 (10)
Pr1_1ⁱⁱ—Pr1_2—Pr2_1^ix	67.7 (3)	Pr1_1^v—Mg1—Mg1^xvi	136.0 (10)
Pr1_1ⁱⁱ—Pr1_2—O1	108.3 (7)	Pr1_1^v—Mg1—O3ⁱⁱ	33.6 (14)
Pr1_1ⁱⁱ—Pr1_2—O1ⁱ	95.0 (8)	Pr1_1^v—Mg1—O3^v	97 (3)
Pr1_1ⁱⁱ—Pr1_2—O1ⁱⁱ	33.3 (5)	Pr1_1^v—Mg1—O3^xvii	103.8 (5)
Pr1_1ⁱⁱ—Pr1_2—O1ⁱⁱⁱ	165.4 (6)	Pr1_1^v—Mg1—O3^xviii	144.8 (3)
Pr1_2ⁱ—Pr1_2—Pr1_2ⁱⁱ	158.5 (12)	Pr1_1^v—Mg1—O3_1^xix	46 (2)
Pr1_2ⁱ—Pr1_2—Pr1_2^iv	97.3 (11)	Pr1_1^v—Mg1—O3_1^xx	101 (3)
Pr1_2ⁱ—Pr1_2—Pr1_2^v	71.6 (11)	Mo1—Mg1—Mg1^xvi	0.0 (5)
Pr1_2ⁱ—Pr1_2—Pr1_2^ix	169.6 (12)	Mo1—Mg1—O3ⁱⁱ	120 (3)
Pr1_2ⁱ—Pr1_2—Pr2	108.9 (11)	Mo1—Mg1—O3^v	120 (3)
Pr1_2ⁱ—Pr1_2—Pr2^vi	60.2 (10)	Mo1—Mg1—O3^xvii	42.8 (16)
Pr1_2ⁱ—Pr1_2—Pr2^vii	41.4 (9)	Mo1—Mg1—O3^xviii	42.8 (16)
Pr1_2ⁱ—Pr1_2—Pr2^iv	130.1 (11)	Mo1—Mg1—O3_1^xix	111 (3)
Pr1_2ⁱ—Pr1_2—Pr2_1	106.1 (11)	Mo1—Mg1—O3_1^xx	111 (3)
Pr1_2ⁱ—Pr1_2—Pr2_1ⁱ	63.1 (10)	Mg1^xvi—Mg1—O3ⁱⁱ	120 (3)
Pr1_2ⁱ—Pr1_2—Pr2_1^iv	123.3 (11)	Mg1^xvi—Mg1—O3^v	120 (3)
Pr1_2ⁱ—Pr1_2—Pr2_1^ix	128.7 (11)	Mg1^xvi—Mg1—O3^xvii	42.8 (16)
Pr1_2ⁱ—Pr1_2—O1	92.9 (12)	Mg1^xvi—Mg1—O3^xviii	42.8 (16)
Pr1_2ⁱ—Pr1_2—O1ⁱ	68.7 (12)	Mg1^xvi—Mg1—O3_1^xix	111 (3)
Pr1_2ⁱ—Pr1_2—O1ⁱⁱ	149.6 (12)	Mg1^xvi—Mg1—O3_1^xx	111 (3)
Pr1_2ⁱ—Pr1_2—O1ⁱⁱⁱ	21.8 (9)	O3ⁱⁱ—Mg1—O3^v	121 (5)
Pr1_2ⁱⁱ—Pr1_2—Pr1_2^iv	104.1 (4)	O3ⁱⁱ—Mg1—O3^xvii	111.3 (12)
Pr1_2ⁱⁱ—Pr1_2—Pr1_2^v	86.9 (3)	O3ⁱⁱ—Mg1—O3^xviii	111.3 (12)
Pr1_2ⁱⁱ—Pr1_2—Pr1_2^ix	11.1 (2)	O3ⁱⁱ—Mg1—O3_1^xix	76 (3)
Pr1_2ⁱⁱ—Pr1_2—Pr2	55.3 (2)	O3ⁱⁱ—Mg1—O3_1^xx	84 (3)
Pr1_2ⁱⁱ—Pr1_2—Pr2^vi	135.0 (3)	O3^v—Mg1—O3^xvii	111.3 (12)
Pr1_2ⁱⁱ—Pr1_2—Pr2^vii	123.8 (3)	O3^v—Mg1—O3^xviii	111.3 (12)
Pr1_2ⁱⁱ—Pr1_2—Pr2^iv	64.2 (2)	O3^v—Mg1—O3_1^xix	84 (3)
Pr1_2ⁱⁱ—Pr1_2—Pr2_1	60.4 (3)	O3^v—Mg1—O3_1^xx	76 (3)
Pr1_2ⁱⁱ—Pr1_2—Pr2_1ⁱ	129.8 (3)	O3^xvii—Mg1—O3^xviii	86 (3)
Pr1_2ⁱⁱ—Pr1_2—Pr2_1^iv	70.1 (3)	O3^xvii—Mg1—O3_1^xix	68.0 (16)
Pr1_2ⁱⁱ—Pr1_2—Pr2_1^ix	63.0 (3)	O3^xvii—Mg1—O3_1^xx	153 (4)
Pr1_2ⁱⁱ—Pr1_2—O1	107.0 (7)	O3^xviii—Mg1—O3_1^xix	153 (4)
Pr1_2ⁱⁱ—Pr1_2—O1ⁱ	91.2 (7)	O3^xviii—Mg1—O3_1^xx	68.0 (16)
Pr1_2ⁱⁱ—Pr1_2—O1ⁱⁱ	26.6 (5)	O3_1^xix—Mg1—O3_1^xx	139 (5)
Pr1_2ⁱⁱ—Pr1_2—O1ⁱⁱⁱ	158.7 (6)	Mg2—Mo2—Mg2^xiii	180.0 (5)
Pr1_2^iv—Pr1_2—Pr1_2^v	168.9 (4)	Mg2—Mo2—O2	129.91 (12)
Pr1_2^iv—Pr1_2—Pr1_2^ix	93.1 (3)	Mg2—Mo2—O2ⁱ	129.91 (12)
Pr1_2^iv—Pr1_2—Pr2	133.2 (3)	Mg2—Mo2—O2^xiii	50.09 (12)
Pr1_2^iv—Pr1_2—Pr2^vi	53.0 (2)	Mg2—Mo2—O2^xxi	50.09 (12)
Pr1_2^iv—Pr1_2—Pr2^vii	118.6 (3)	Mg2^xiii—Mo2—O2	50.09 (12)
Pr1_2^iv—Pr1_2—Pr2^iv	58.3 (2)	Mg2^xiii—Mo2—O2ⁱ	50.09 (12)
Pr1_2^iv—Pr1_2—Pr2_1	127.2 (3)	Mg2^xiii—Mo2—O2^xiii	129.91 (12)
Pr1_2^iv—Pr1_2—Pr2_1ⁱ	57.6 (2)	Mg2^xiii—Mo2—O2^xxi	129.91 (12)
Pr1_2^iv—Pr1_2—Pr2_1^iv	57.8 (3)	O2—Mo2—O2ⁱ	100.19 (17)
Pr1_2^iv—Pr1_2—Pr2_1^ix	64.8 (3)	O2—Mo2—O2^xiii	114.3 (2)
Pr1_2^iv—Pr1_2—O1	22.1 (3)	O2—Mo2—O2^xxi	114.3 (2)
Pr1_2^iv—Pr1_2—O1ⁱ	154.8 (7)	O2ⁱ—Mo2—O2^xiii	114.3 (2)
Pr1_2^iv—Pr1_2—O1ⁱⁱ	98.0 (9)	O2ⁱ—Mo2—O2^xxi	114.3 (2)
Pr1_2^iv—Pr1_2—O1ⁱⁱⁱ	86.3 (7)	O2^xiii—Mo2—O2^xxi	100.19 (17)
Pr1_2^v—Pr1_2—Pr1_2^ix	98.0 (3)	Pr2_1^xiii—Mg2—Pr2_1^xxi	105 (3)
Pr1_2^v—Pr1_2—Pr2	53.7 (2)	Pr2_1^xiii—Mg2—Pr2_1^xv	66.0 (13)
Pr1_2^v—Pr1_2—Pr2^vi	118.7 (3)	Pr2_1^xiii—Mg2—Pr2_1^xxiii	66.0 (13)
Pr1_2^v—Pr1_2—Pr2^vii	52.9 (2)	Pr2_1^xiii—Mg2—Pr2_1^xxiv	72.9 (14)
Pr1_2^v—Pr1_2—Pr2^iv	128.9 (3)	Pr2_1^xiii—Mg2—Pr2_1^xxv	72.9 (14)
Pr1_2^v—Pr1_2—Pr2_1	58.3 (2)	Pr2_1^xiii—Mg2—Mo2	127.6 (13)
Pr1_2^v—Pr1_2—Pr2_1ⁱ	115.2 (3)	Pr2_1^xiii—Mg2—Mg2^xiii	127.6 (13)
Pr1_2^v—Pr1_2—Pr2_1^iv	128.0 (3)	Pr2_1^xiii—Mg2—O2	93.6 (5)
Pr1_2^v—Pr1_2—Pr2_1^ix	121.9 (3)	Pr2_1^xiii—Mg2—O2ⁱ	145.2 (6)
Pr1_2^v—Pr1_2—O1	153.7 (4)	Pr2_1^xiii—Mg2—O2^xiii	99 (3)
Pr1_2^v—Pr1_2—O1ⁱ	20.6 (4)	Pr2_1^xiii—Mg2—O2^xxi	36.2 (12)
Pr1_2^v—Pr1_2—O1ⁱⁱ	91.9 (8)	Pr2_1^xxi—Mg2—Pr2_1^xv	72.9 (14)
Pr1_2^v—Pr1_2—O1ⁱⁱⁱ	83.2 (7)	Pr2_1^xxi—Mg2—Pr2_1^xxiii	72.9 (14)
Pr1_2^ix—Pr1_2—Pr2	63.2 (2)	Pr2_1^xxi—Mg2—Pr2_1^xxiv	66.0 (13)
Pr1_2^ix—Pr1_2—Pr2^vi	127.6 (3)	Pr2_1^xxi—Mg2—Pr2_1^xxv	66.0 (13)
Pr1_2^ix—Pr1_2—Pr2^vii	131.9 (3)	Pr2_1^xxi—Mg2—Mo2	127.6 (13)
Pr1_2^ix—Pr1_2—Pr2^iv	56.5 (2)	Pr2_1^xxi—Mg2—Mg2^xiii	127.6 (13)
Pr1_2^ix—Pr1_2—Pr2_1	67.1 (2)	Pr2_1^xxi—Mg2—O2	145.2 (6)
Pr1_2^ix—Pr1_2—Pr2_1ⁱ	123.5 (3)	Pr2_1^xxi—Mg2—O2ⁱ	93.6 (5)
Pr1_2^ix—Pr1_2—Pr2_1^iv	62.8 (3)	Pr2_1^xxi—Mg2—O2^xiii	36.2 (12)
Pr1_2^ix—Pr1_2—Pr2_1^ix	56.5 (3)	Pr2_1^xxi—Mg2—O2^xxi	99 (3)
Pr1_2^ix—Pr1_2—O1	96.8 (6)	Pr2_1^xv—Mg2—Pr2_1^xxiii	109 (3)
Pr1_2^ix—Pr1_2—O1ⁱ	101.6 (7)	Pr2_1^xv—Mg2—Pr2_1^xxiv	8.1 (3)
Pr1_2^ix—Pr1_2—O1ⁱⁱ	26.7 (3)	Pr2_1^xv—Mg2—Pr2_1^xxv	110 (3)
Pr1_2^ix—Pr1_2—O1ⁱⁱⁱ	161.2 (4)	Pr2_1^xv—Mg2—Mo2	125.1 (13)
Pr2—Pr1_2—Pr2^vi	108.7 (2)	Pr2_1^xv—Mg2—Mg2^xiii	125.1 (13)
Pr2—Pr1_2—Pr2^vii	68.80 (18)	Pr2_1^xv—Mg2—O2	141.9 (7)
Pr2—Pr1_2—Pr2^iv	75.28 (19)	Pr2_1^xv—Mg2—O2ⁱ	92.5 (5)
Pr2—Pr1_2—Pr2_1	8.5 (2)	Pr2_1^xv—Mg2—O2^xiii	103 (3)
Pr2—Pr1_2—Pr2_1ⁱ	100.8 (3)	Pr2_1^xv—Mg2—O2^xxi	34.1 (10)
Pr2—Pr1_2—Pr2_1^iv	75.4 (3)	Pr2_1^xxiii—Mg2—Pr2_1^xxiv	110 (3)
Pr2—Pr1_2—Pr2_1^ix	68.5 (3)	Pr2_1^xxiii—Mg2—Pr2_1^xxv	8.1 (3)
Pr2—Pr1_2—O1	116.1 (6)	Pr2_1^xxiii—Mg2—Mo2	125.1 (13)
Pr2—Pr1_2—O1ⁱ	43.7 (5)	Pr2_1^xxiii—Mg2—Mg2^xiii	125.1 (13)
Pr2—Pr1_2—O1ⁱⁱ	43.4 (5)	Pr2_1^xxiii—Mg2—O2	88.6 (5)
Pr2—Pr1_2—O1ⁱⁱⁱ	104.0 (6)	Pr2_1^xxiii—Mg2—O2ⁱ	148.7 (10)
Pr2^vi—Pr1_2—Pr2^vii	65.86 (16)	Pr2_1^xxiii—Mg2—O2^xiii	42.2 (12)
Pr2^vi—Pr1_2—Pr2^iv	71.19 (18)	Pr2_1^xxiii—Mg2—O2^xxi	98 (3)
Pr2^vi—Pr1_2—Pr2_1	100.2 (3)	Pr2_1^xxiv—Mg2—Pr2_1^xxv	109 (3)
Pr2^vi—Pr1_2—Pr2_1ⁱ	8.0 (2)	Pr2_1^xxiv—Mg2—Mo2	125.1 (13)
Pr2^vi—Pr1_2—Pr2_1^iv	65.1 (2)	Pr2_1^xxiv—Mg2—Mg2^xiii	125.1 (13)
Pr2^vi—Pr1_2—Pr2_1^ix	72.0 (3)	Pr2_1^xxiv—Mg2—O2	148.7 (10)
Pr2^vi—Pr1_2—O1	36.8 (4)	Pr2_1^xxiv—Mg2—O2ⁱ	88.6 (5)
Pr2^vi—Pr1_2—O1ⁱ	102.1 (7)	Pr2_1^xxiv—Mg2—O2^xiii	98 (3)
Pr2^vi—Pr1_2—O1ⁱⁱ	110.7 (8)	Pr2_1^xxiv—Mg2—O2^xxi	42.2 (12)
Pr2^vi—Pr1_2—O1ⁱⁱⁱ	40.3 (4)	Pr2_1^xxv—Mg2—Mo2	125.1 (13)
Pr2^vii—Pr1_2—Pr2^iv	108.8 (2)	Pr2_1^xxv—Mg2—Mg2^xiii	125.1 (13)
Pr2^vii—Pr1_2—Pr2_1	64.92 (19)	Pr2_1^xxv—Mg2—O2	92.5 (5)
Pr2^vii—Pr1_2—Pr2_1ⁱ	62.46 (17)	Pr2_1^xxv—Mg2—O2ⁱ	141.9 (7)
Pr2^vii—Pr1_2—Pr2_1^iv	102.8 (3)	Pr2_1^xxv—Mg2—O2^xiii	34.1 (10)
Pr2^vii—Pr1_2—Pr2_1^ix	103.3 (3)	Pr2_1^xxv—Mg2—O2^xxi	103 (3)
Pr2^vii—Pr1_2—O1	101.4 (4)	Mo2—Mg2—Mg2^xiii	0.0 (5)
Pr2^vii—Pr1_2—O1ⁱ	37.6 (7)	Mo2—Mg2—O2	43.6 (19)
Pr2^vii—Pr1_2—O1ⁱⁱ	108.3 (4)	Mo2—Mg2—O2ⁱ	43.6 (19)
Pr2^vii—Pr1_2—O1ⁱⁱⁱ	37.0 (6)	Mo2—Mg2—O2^xiii	122 (3)
Pr2^iv—Pr1_2—Pr2_1	70.6 (2)	Mo2—Mg2—O2^xxi	122 (3)
Pr2^iv—Pr1_2—Pr2_1ⁱ	67.20 (19)	Mg2^xiii—Mg2—O2	43.6 (19)
Pr2^iv—Pr1_2—Pr2_1^iv	6.87 (16)	Mg2^xiii—Mg2—O2ⁱ	43.6 (19)
Pr2^iv—Pr1_2—Pr2_1^ix	7.22 (18)	Mg2^xiii—Mg2—O2^xiii	122 (3)
Pr2^iv—Pr1_2—O1	47.4 (6)	Mg2^xiii—Mg2—O2^xxi	122 (3)
Pr2^iv—Pr1_2—O1ⁱ	114.0 (3)	O2—Mg2—O2ⁱ	87 (4)
Pr2^iv—Pr1_2—O1ⁱⁱ	44.3 (8)	O2—Mg2—O2^xiii	112.5 (12)
Pr2^iv—Pr1_2—O1ⁱⁱⁱ	108.4 (4)	O2—Mg2—O2^xxi	112.5 (12)
Pr2_1—Pr1_2—Pr2_1ⁱ	92.3 (4)	O2ⁱ—Mg2—O2^xiii	112.5 (12)
Pr2_1—Pr1_2—Pr2_1^iv	69.9 (3)	O2ⁱ—Mg2—O2^xxi	112.5 (12)
Pr2_1—Pr1_2—Pr2_1^ix	63.6 (3)	O2^xiii—Mg2—O2^xxi	116 (6)
Pr2_1—Pr1_2—O1	108.8 (6)	Pr1—O1—Pr1^iv	118.47 (10)
Pr2_1—Pr1_2—O1ⁱ	45.3 (4)	Pr1—O1—Pr1_1	10.0 (3)
Pr2_1—Pr1_2—O1ⁱⁱ	44.5 (4)	Pr1—O1—Pr1_1^iv	115.3 (3)
Pr2_1—Pr1_2—O1ⁱⁱⁱ	98.4 (6)	Pr1—O1—Pr1_2	12.6 (3)
Pr2_1ⁱ—Pr1_2—Pr2_1^iv	60.7 (3)	Pr1—O1—Pr1_2ⁱ	13.2 (3)
Pr2_1ⁱ—Pr1_2—Pr2_1^ix	67.2 (3)	Pr1—O1—Pr1_2^iv	123.6 (3)
Pr2_1ⁱ—Pr1_2—O1	39.0 (3)	Pr1—O1—Pr1_2^viii	130.7 (2)
Pr2_1ⁱ—Pr1_2—O1ⁱ	97.3 (6)	Pr1—O1—Pr2^vi	105.33 (4)
Pr2_1ⁱ—Pr1_2—O1ⁱⁱ	104.4 (7)	Pr1—O1—Pr2^iv	103.3 (13)
Pr2_1ⁱ—Pr1_2—O1ⁱⁱⁱ	42.0 (4)	Pr1—O1—Pr2_1ⁱ	106.2 (2)
Pr2_1^iv—Pr1_2—Pr2_1^ix	8.0 (3)	Pr1^iv—O1—Pr1_1	110.7 (3)
Pr2_1^iv—Pr1_2—O1	44.2 (6)	Pr1^iv—O1—Pr1_1^iv	14.0 (3)
Pr2_1^iv—Pr1_2—O1ⁱ	111.4 (4)	Pr1^iv—O1—Pr1_2	125.8 (4)
Pr2_1^iv—Pr1_2—O1ⁱⁱ	48.6 (8)	Pr1^iv—O1—Pr1_2ⁱ	128.1 (2)
Pr2_1^iv—Pr1_2—O1ⁱⁱⁱ	101.6 (4)	Pr1^iv—O1—Pr1_2^iv	5.7 (3)
Pr2_1^ix—Pr1_2—O1	52.2 (6)	Pr1^iv—O1—Pr1_2^viii	12.5 (2)
Pr2_1^ix—Pr1_2—O1ⁱ	106.8 (4)	Pr1^iv—O1—Pr2^vi	107.5 (13)
Pr2_1^ix—Pr1_2—O1ⁱⁱ	40.7 (8)	Pr1^iv—O1—Pr2^iv	105.27 (4)
Pr2_1^ix—Pr1_2—O1ⁱⁱⁱ	106.9 (4)	Pr1^iv—O1—Pr2_1ⁱ	116.0 (14)
O1—Pr1_2—O1ⁱ	133.9 (6)	Pr1_1—O1—Pr1_1^iv	109.4 (4)
O1—Pr1_2—O1ⁱⁱ	91.6 (11)	Pr1_1—O1—Pr1_2	15.7 (4)
O1—Pr1_2—O1ⁱⁱⁱ	75.9 (7)	Pr1_1—O1—Pr1_2ⁱ	23.2 (4)
O1ⁱ—Pr1_2—O1ⁱⁱ	86.8 (8)	Pr1_1—O1—Pr1_2^iv	116.1 (4)
O1ⁱ—Pr1_2—O1ⁱⁱⁱ	73.2 (10)	Pr1_1—O1—Pr1_2^viii	122.6 (4)
O1ⁱⁱ—Pr1_2—O1ⁱⁱⁱ	134.8 (6)	Pr1_1—O1—Pr2^vi	114.7 (3)
Pr1^xii—Pr2—Pr1	99.404 (4)	Pr1_1—O1—Pr2^iv	100.5 (14)
Pr1^xii—Pr2—Pr1^xxii	65.273 (2)	Pr1_1—O1—Pr2_1ⁱ	116.1 (4)
Pr1^xii—Pr2—Pr1ⁱⁱ	65.273 (2)	Pr1_1^iv—O1—Pr1_2	125.1 (4)
Pr1^xii—Pr2—Pr1_1^xii	8.58 (18)	Pr1_1^iv—O1—Pr1_2ⁱ	122.2 (4)
Pr1^xii—Pr2—Pr1_1ⁱ	97.28 (16)	Pr1_1^iv—O1—Pr1_2^iv	13.6 (5)
Pr1^xii—Pr2—Pr1_1ⁱⁱ	65.44 (18)	Pr1_1^iv—O1—Pr1_2^viii	21.8 (4)
Pr1^xii—Pr2—Pr1_1^v	59.21 (18)	Pr1_1^iv—O1—Pr2^vi	96.4 (13)
Pr1^xii—Pr2—Pr1_2^xii	8.34 (15)	Pr1_1^iv—O1—Pr2^iv	118.7 (3)
Pr1^xii—Pr2—Pr1_2	102.55 (15)	Pr1_1^iv—O1—Pr2_1ⁱ	106.2 (14)
Pr1^xii—Pr2—Pr1_2^xi	6.26 (18)	Pr1_2—O1—Pr1_2ⁱ	18.4 (4)
Pr1^xii—Pr2—Pr1_2ⁱ	106.08 (14)	Pr1_2—O1—Pr1_2^iv	131.3 (5)
Pr1^xii—Pr2—Pr1_2^xxii	67.38 (14)	Pr1_2—O1—Pr1_2^viii	137.1 (4)
Pr1^xii—Pr2—Pr1_2ⁱⁱ	63.55 (16)	Pr1_2—O1—Pr2^vi	109.5 (3)
Pr1^xii—Pr2—Pr1_2^v	69.03 (16)	Pr1_2—O1—Pr2^iv	91.0 (12)
Pr1^xii—Pr2—Pr1_2^ix	71.99 (14)	Pr1_2—O1—Pr2_1ⁱ	107.8 (5)
Pr1^xii—Pr2—Pr2_1	158.8 (14)	Pr1_2ⁱ—O1—Pr1_2^iv	132.7 (4)
Pr1^xii—Pr2—Pr2_1^xi	101.8 (14)	Pr1_2ⁱ—O1—Pr1_2^viii	140.7 (4)
Pr1^xii—Pr2—O1^xii	37.8 (4)	Pr1_2ⁱ—O1—Pr2^vi	92.9 (2)
Pr1^xii—Pr2—O1ⁱ	96.4 (6)	Pr1_2ⁱ—O1—Pr2^iv	106.2 (13)
Pr1^xii—Pr2—O1ⁱⁱ	98.2 (5)	Pr1_2ⁱ—O1—Pr2_1ⁱ	93.1 (3)
Pr1^xii—Pr2—O1^v	36.7 (4)	Pr1_2^iv—O1—Pr1_2^viii	8.6 (4)
Pr1^xii—Pr2—O2_1^xii	84.8 (13)	Pr1_2^iv—O1—Pr2^vi	102.8 (15)
Pr1^xii—Pr2—O2_1ⁱ	148.2 (15)	Pr1_2^iv—O1—Pr2^iv	105.3 (3)
Pr1—Pr2—Pr1^xxii	65.273 (2)	Pr1_2^iv—O1—Pr2_1ⁱ	110.8 (15)
Pr1—Pr2—Pr1ⁱⁱ	65.273 (2)	Pr1_2^viii—O1—Pr2^vi	103.3 (13)
Pr1—Pr2—Pr1_1^xii	97.28 (16)	Pr1_2^viii—O1—Pr2^iv	97.7 (2)
Pr1—Pr2—Pr1_1ⁱ	8.58 (18)	Pr1_2^viii—O1—Pr2_1ⁱ	109.8 (12)
Pr1—Pr2—Pr1_1ⁱⁱ	59.21 (18)	Pr2^vi—O1—Pr2^iv	117.66 (10)
Pr1—Pr2—Pr1_1^v	65.44 (18)	Pr2^vi—O1—Pr2_1ⁱ	12.0 (3)
Pr1—Pr2—Pr1_2^xii	106.08 (14)	Pr2^iv—O1—Pr2_1ⁱ	106.2 (3)
Pr1—Pr2—Pr1_2	6.26 (18)	Pr2_1ⁱ—O2—Pr2_1^iv	108.5 (4)
Pr1—Pr2—Pr1_2^xi	102.55 (15)	Pr2_1ⁱ—O2—Mo2	121.0 (3)
Pr1—Pr2—Pr1_2ⁱ	8.34 (15)	Pr2_1ⁱ—O2—Mg2	122.7 (5)
Pr1—Pr2—Pr1_2^xxii	71.99 (14)	Pr2_1ⁱ—O2—Mg2^xiii	118.4 (11)
Pr1—Pr2—Pr1_2ⁱⁱ	69.03 (16)	Pr2_1ⁱ—O2—O2_1	52 (6)
Pr1—Pr2—Pr1_2^v	63.55 (16)	Pr2_1^iv—O2—Mo2	125.2 (4)
Pr1—Pr2—Pr1_2^ix	67.38 (14)	Pr2_1^iv—O2—Mg2	126.2 (4)
Pr1—Pr2—Pr2_1	101.8 (14)	Pr2_1^iv—O2—Mg2^xiii	123.3 (9)
Pr1—Pr2—Pr2_1^xi	158.8 (14)	Pr2_1^iv—O2—O2_1	70 (6)
Pr1—Pr2—O1^xii	96.4 (6)	Mo2—O2—Mg2	6.4 (19)
Pr1—Pr2—O1ⁱ	37.8 (4)	Mo2—O2—Mg2^xiii	8 (3)
Pr1—Pr2—O1ⁱⁱ	36.7 (4)	Mo2—O2—O2_1	163 (5)
Pr1—Pr2—O1^v	98.2 (5)	Mg2—O2—Mg2^xiii	14 (3)
Pr1—Pr2—O2_1^xii	148.2 (15)	Mg2—O2—O2_1	158 (5)
Pr1—Pr2—O2_1ⁱ	84.8 (13)	Mg2^xiii—O2—O2_1	167 (6)
Pr1^xxii—Pr2—Pr1ⁱⁱ	99.404 (4)	Pr2^vi—O2_1—Pr2_1^vi	13.1 (5)
Pr1^xxii—Pr2—Pr1_1^xii	71.31 (18)	Pr2^vi—O2_1—Pr2_1ⁱ	9.3 (4)
Pr1^xxii—Pr2—Pr1_1ⁱ	57.21 (18)	Pr2^vi—O2_1—Pr2_1^iv	119 (2)
Pr1^xxii—Pr2—Pr1_1ⁱⁱ	93.76 (18)	Pr2^vi—O2_1—O2	121 (7)
Pr1^xxii—Pr2—Pr1_1^v	6.69 (18)	Pr2_1^vi—O2_1—Pr2_1ⁱ	10.1 (6)
Pr1^xxii—Pr2—Pr1_2^xii	73.10 (16)	Pr2_1^vi—O2_1—Pr2_1^iv	130 (2)
Pr1^xxii—Pr2—Pr1_2	71.52 (18)	Pr2_1^vi—O2_1—O2	121 (7)
Pr1^xxii—Pr2—Pr1_2^xi	62.62 (17)	Pr2_1ⁱ—O2_1—Pr2_1^iv	128 (2)
Pr1^xxii—Pr2—Pr1_2ⁱ	65.05 (16)	Pr2_1ⁱ—O2_1—O2	114 (7)
Pr1^xxii—Pr2—Pr1_2^xxii	8.32 (14)	Pr2_1^iv—O2_1—O2	96 (6)
Pr1^xxii—Pr2—Pr1_2ⁱⁱ	101.22 (17)	Pr1_1^x—O3—Mo1^iv	129.1 (4)
Pr1^xxii—Pr2—Pr1_2^v	3.76 (16)	Pr1_1^x—O3—Mg1^iv	123.2 (17)
Pr1^xxii—Pr2—Pr1_2^ix	107.20 (14)	Pr1_1^x—O3—Mg1^xxvi	133.1 (8)
Pr1^xxii—Pr2—Pr2_1	124.6 (5)	Pr1_1^x—O3—O3_1	91 (5)
Pr1^xxii—Pr2—Pr2_1^xi	124.6 (5)	Mo1^iv—O3—Mg1^iv	10 (3)
Pr1^xxii—Pr2—O1^xii	97.38 (7)	Mo1^iv—O3—Mg1^xxvi	7.7 (16)
Pr1^xxii—Pr2—O1ⁱ	36.2 (7)	Mo1^iv—O3—O3_1	134 (4)
Pr1^xxii—Pr2—O1ⁱⁱ	97.21 (7)	Mg1^iv—O3—Mg1^xxvi	18 (3)
Pr1^xxii—Pr2—O1^v	38.3 (6)	Mg1^iv—O3—O3_1	143 (5)
Pr1^xxii—Pr2—O2_1^xii	141.2 (15)	Mg1^xxvi—O3—O3_1	127 (4)
Pr1^xxii—Pr2—O2_1ⁱ	88.8 (14)	Pr1_1^x—O3_1—Pr1_1^ix	89.7 (17)
Pr1ⁱⁱ—Pr2—Pr1_1^xii	57.21 (18)	Pr1_1^x—O3_1—Mg1^xxvii	110 (4)
Pr1ⁱⁱ—Pr2—Pr1_1ⁱ	71.31 (18)	Pr1_1^x—O3_1—O3	71 (5)
Pr1ⁱⁱ—Pr2—Pr1_1ⁱⁱ	6.69 (18)	Pr1_1^ix—O3_1—Mg1^xxvii	97 (3)
Pr1ⁱⁱ—Pr2—Pr1_1^v	93.76 (18)	Pr1_1^ix—O3_1—O3	105 (6)
Pr1ⁱⁱ—Pr2—Pr1_2^xii	65.05 (16)	Mg1^xxvii—O3_1—O3	158 (7)

Symmetry codes: (i) −x+1, −y, z; (ii) x−1/2, −y+1/2, z; (iii) −x+3/2, y−1/2, z; (iv) x+1/2, −y+1/2, z; (v) −x+1/2, y−1/2, z; (vi) x+1, y, z; (vii) x+1/2, −y−1/2, z; (viii) −x+3/2, y+1/2, z; (ix) −x+1/2, y+1/2, z; (x) −x+1, −y+1, z; (xi) −x, −y, z; (xii) x−1, y, z; (xiii) y+1/2, −x+1/2, −z+1/2; (xiv) y, x−1, −z+1/2; (xv) y, x, −z+1/2; (xvi) y, −x, −z; (xvii) y−1/2, x−1/2, −z; (xviii) −y+1/2, −x+1/2, −z; (xix) x, y−1, z; (xx) −x, −y+1, z; (xxi) −y+1/2, x−1/2, −z+1/2; (xxii) x−1/2, −y−1/2, z; (xxiii) y+1, x, −z+1/2; (xxiv) −y, −x, −z+1/2; (xxv) −y+1, −x, −z+1/2; (xxvi) y+1/2, x+1/2, −z; (xxvii) x, y+1, z.

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