Dinitratodioxo[3-(triphenyl­phosphonio)propionato]uranium(VI)

The U atom in the crystal structure of the title compound, [U(NO₃)₂O₂(C₂₁H₁₉O₂P)], shows hexa­gonal-bipyramidal coordination, as the nitrate and carboxyl­ate groups function as chelates. The oxo O atoms occupy the axial sites of this uncommon coordination geometry.

Key indicators

• Single-crystal X-ray study
• T = 291 K
• Mean [sigma](C-C) = 0.010 Å
• R factor = 0.042
• wR factor = 0.081
• Data-to-parameter ratio = 15.2

checkCIF/PLATON results

No syntax errors found



Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT241_ALERT_2_C Check High      Ueq as Compared to Neighbors for         O5
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for         U1
PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         11
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #          5
            O8  -U1  -O3  -C1    -11.00  2.00   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         14
            O6  -U1  -O4  -C1     14.30  1.50   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         25
            O4  -U1  -O6  -N1    -22.30  1.60   1.555   1.555   1.555   1.555
PLAT710_ALERT_4_C Delete 1-2-3 or 2-3-4 Linear Torsion Angle ... #         31
            O3  -U1  -O8  -N2      6.00  2.00   1.555   1.555   1.555   1.555

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   9 ALERT level C = Check and explain
   0 ALERT level G = General alerts; check

   2 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   2 ALERT type 2 Indicator that the structure model may be wrong or deficient
   1 ALERT type 3 Indicator that the structure quality may be low
   4 ALERT type 4 Improvement, methodology, query or suggestion

---

Computing details

Data collection: XSCANS (Siemens, 1994); cell refinement: XSCANS; data reduction: XSCANS; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 1997); software used to prepare material for publication: SHELXTL.

Dinitratodioxo[3-(triphenylphosphonio)propionato]uranium(VI)

Crystal data

[U(NO3)2O2(C21H19O2P)]	F(000) = 1384
Mr = 728.38	Dx = 1.977 Mg m^−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 20 reflections
a = 13.880 (3) Å	θ = 3–25°
b = 9.860 (5) Å	µ = 6.76 mm^−1
c = 17.962 (4) Å	T = 291 K
β = 95.42 (1)°	Block, yellow
V = 2447 (2) Å^3	0.23 × 0.20 × 0.18 mm
Z = 4

Data collection

Siemens P4 diffractometer	3239 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.091
Graphite monochromator	θmax = 26.0°, θmin = 2.3°
ω scans	h = −17→17
Absorption correction: empirical (using intensity measurements) via ψ scan (North et al., 1968)	k = −1→12
Tmin = 0.241, Tmax = 0.296	l = −22→22
10703 measured reflections	3 standard reflections every 120 reflections
4808 independent reflections	intensity decay: 5%

Refinement

Refinement on F^2	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F^2 > 2σ(F^2)] = 0.042	Hydrogen site location: inferred from neighbouring sites
wR(F^2) = 0.081	H-atom parameters constrained
S = 1.00	w = 1/[σ^2(Fo^2) + (0.0124P)^2] where P = (Fo^2 + 2Fc^2)/3
4808 reflections	(Δ/σ)max = 0.001
316 parameters	Δρmax = 1.06 e Å^−3
0 restraints	Δρmin = −0.86 e Å^−3

Special details

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F² against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F², conventional R-factors R are based on F, with F set to zero for negative F². The threshold expression of F² > σ(F²) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F² are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Ų)

	x	y	z	Uiso*/Ueq
U1	0.20569 (2)	0.18538 (3)	0.242161 (13)	0.03519 (10)
O1	0.1409 (4)	0.0612 (6)	0.1885 (2)	0.0465 (14)
O2	0.2699 (4)	0.3059 (6)	0.2978 (3)	0.0595 (16)
N1	0.3723 (5)	0.0014 (8)	0.2610 (3)	0.0547 (19)
O5	0.3560 (4)	0.0782 (7)	0.2051 (3)	0.0632 (18)
O6	0.3127 (4)	0.0138 (6)	0.3105 (3)	0.0538 (16)
O7	0.4412 (4)	−0.0733 (7)	0.2688 (3)	0.0688 (18)
N2	0.0676 (5)	0.1709 (8)	0.3553 (3)	0.0499 (18)
O8	0.1398 (4)	0.0945 (7)	0.3568 (2)	0.0556 (16)
O9	0.0534 (4)	0.2496 (6)	0.2981 (3)	0.0535 (15)
O10	0.0131 (4)	0.1745 (7)	0.4042 (3)	0.0659 (19)
O3	0.2570 (4)	0.2913 (6)	0.1303 (2)	0.0494 (15)
O4	0.1195 (3)	0.3599 (5)	0.1666 (2)	0.0421 (14)
C1	0.1818 (6)	0.3662 (7)	0.1199 (3)	0.0349 (18)
C2	0.1631 (5)	0.4490 (8)	0.0514 (3)	0.0372 (18)
H2A	0.1235	0.5262	0.0623	0.045*
H2B	0.1266	0.3952	0.0133	0.045*
C3	0.2563 (5)	0.5014 (7)	0.0196 (3)	0.0335 (18)
H3A	0.2471	0.4998	−0.0346	0.040*
H3B	0.3096	0.4412	0.0354	0.040*
P1	0.28677 (12)	0.6712 (2)	0.05038 (8)	0.0287 (4)
C4	0.3549 (6)	0.6060 (8)	0.1938 (3)	0.0402 (19)
H4A	0.4053	0.5648	0.1716	0.048*
C5	0.3517 (6)	0.5967 (9)	0.2699 (3)	0.050 (2)
H5A	0.4002	0.5519	0.2995	0.060*
C6	0.2762 (6)	0.6540 (8)	0.3007 (4)	0.049 (2)
H6A	0.2727	0.6457	0.3520	0.059*
C7	0.2052 (7)	0.7234 (9)	0.2594 (4)	0.058 (3)
H7A	0.1546	0.7628	0.2821	0.070*
C8	0.2095 (5)	0.7345 (8)	0.1820 (3)	0.0402 (19)
H8A	0.1617	0.7815	0.1528	0.048*
C9	0.2843 (5)	0.6758 (8)	0.1498 (3)	0.0331 (16)
C10	0.4676 (6)	0.7960 (9)	0.0724 (4)	0.048 (2)
H10A	0.4507	0.8206	0.1195	0.057*
C11	0.5554 (6)	0.8369 (10)	0.0508 (4)	0.061 (3)
H11A	0.5988	0.8847	0.0837	0.074*
C12	0.5782 (6)	0.8062 (10)	−0.0202 (4)	0.052 (2)
H12A	0.6364	0.8363	−0.0361	0.063*
C13	0.5156 (6)	0.7312 (10)	−0.0678 (4)	0.053 (2)
H13A	0.5317	0.7108	−0.1156	0.063*
C14	0.4300 (5)	0.6867 (9)	−0.0453 (3)	0.0402 (18)
H14A	0.3887	0.6344	−0.0774	0.048*
C15	0.4041 (5)	0.7196 (8)	0.0263 (3)	0.0338 (19)
C16	0.2128 (6)	0.9270 (8)	0.0208 (4)	0.048 (2)
H16A	0.2624	0.9562	0.0556	0.057*
C17	0.1519 (6)	1.0201 (10)	−0.0159 (4)	0.060 (3)
H17A	0.1596	1.1121	−0.0056	0.072*
C18	0.0794 (6)	0.9767 (10)	−0.0680 (4)	0.056 (2)
H18A	0.0383	1.0400	−0.0929	0.068*
C19	0.0668 (6)	0.8423 (9)	−0.0838 (4)	0.048 (2)
H19A	0.0177	0.8151	−0.1194	0.058*
C20	0.1266 (5)	0.7454 (8)	−0.0471 (3)	0.0350 (17)
H20A	0.1177	0.6537	−0.0577	0.042*
C21	0.2004 (5)	0.7883 (8)	0.0058 (3)	0.0327 (18)

Atomic displacement parameters (Ų)

	U^11	U^22	U^33	U^12	U^13	U^23
U1	0.03928 (16)	0.03604 (16)	0.02998 (12)	−0.00005 (19)	0.00183 (9)	0.00767 (15)
O1	0.049 (3)	0.044 (4)	0.044 (3)	−0.004 (3)	−0.003 (2)	0.004 (3)
O2	0.070 (4)	0.052 (4)	0.054 (3)	−0.021 (4)	−0.008 (3)	0.006 (3)
N1	0.052 (5)	0.054 (5)	0.056 (4)	0.008 (4)	−0.006 (4)	0.010 (4)
O5	0.061 (4)	0.069 (5)	0.063 (3)	0.021 (4)	0.019 (3)	0.033 (3)
O6	0.049 (4)	0.063 (4)	0.049 (3)	0.007 (3)	0.001 (3)	0.012 (3)
O7	0.053 (4)	0.064 (5)	0.088 (4)	0.020 (4)	−0.001 (3)	0.014 (4)
N2	0.047 (4)	0.060 (5)	0.042 (3)	−0.010 (4)	0.001 (3)	0.013 (4)
O8	0.063 (4)	0.064 (4)	0.042 (3)	0.013 (4)	0.014 (3)	0.025 (3)
O9	0.058 (4)	0.057 (4)	0.047 (3)	0.015 (3)	0.011 (3)	0.014 (3)
O10	0.056 (4)	0.100 (6)	0.045 (3)	0.005 (4)	0.024 (3)	0.017 (3)
O3	0.053 (4)	0.054 (4)	0.044 (3)	0.019 (3)	0.018 (2)	0.021 (3)
O4	0.037 (3)	0.050 (4)	0.041 (2)	0.008 (3)	0.015 (2)	0.016 (2)
C1	0.047 (5)	0.025 (4)	0.032 (3)	−0.005 (4)	0.003 (3)	0.002 (3)
C2	0.044 (5)	0.035 (5)	0.033 (3)	0.000 (4)	0.002 (3)	0.003 (3)
C3	0.046 (5)	0.026 (4)	0.028 (3)	0.006 (4)	0.000 (3)	0.001 (3)
P1	0.0313 (10)	0.0317 (11)	0.0233 (7)	0.0009 (10)	0.0041 (6)	0.0023 (8)
C4	0.051 (5)	0.040 (5)	0.030 (3)	0.000 (4)	0.005 (3)	0.000 (3)
C5	0.061 (6)	0.058 (6)	0.029 (4)	0.000 (5)	−0.003 (4)	0.005 (4)
C6	0.071 (6)	0.055 (6)	0.022 (3)	−0.014 (5)	0.001 (4)	0.003 (3)
C7	0.086 (7)	0.056 (6)	0.037 (4)	−0.012 (5)	0.031 (4)	−0.012 (4)
C8	0.041 (5)	0.051 (5)	0.030 (3)	−0.004 (4)	0.008 (3)	0.000 (3)
C9	0.038 (4)	0.039 (4)	0.023 (3)	0.003 (4)	0.007 (3)	0.005 (3)
C10	0.047 (5)	0.057 (6)	0.039 (4)	−0.013 (5)	0.006 (3)	−0.016 (4)
C11	0.044 (5)	0.078 (8)	0.062 (5)	−0.015 (6)	0.006 (4)	−0.017 (5)
C12	0.032 (4)	0.060 (6)	0.067 (5)	0.008 (5)	0.018 (4)	0.001 (5)
C13	0.041 (5)	0.073 (7)	0.046 (4)	−0.010 (5)	0.017 (4)	0.001 (4)
C14	0.033 (4)	0.051 (5)	0.037 (3)	−0.006 (5)	0.006 (3)	−0.004 (4)
C15	0.035 (4)	0.036 (5)	0.030 (3)	0.004 (4)	0.003 (3)	0.005 (3)
C16	0.055 (6)	0.034 (5)	0.050 (4)	−0.010 (5)	−0.012 (4)	−0.006 (4)
C17	0.070 (7)	0.040 (6)	0.067 (5)	0.007 (5)	−0.005 (5)	−0.004 (5)
C18	0.059 (6)	0.048 (6)	0.062 (5)	0.014 (5)	0.007 (4)	0.020 (5)
C19	0.044 (5)	0.062 (7)	0.037 (4)	0.001 (5)	−0.006 (3)	0.011 (4)
C20	0.033 (4)	0.032 (4)	0.040 (4)	−0.008 (4)	0.003 (3)	0.008 (4)
C21	0.038 (4)	0.035 (5)	0.026 (3)	0.003 (4)	0.009 (3)	−0.002 (3)

Geometric parameters (Å, º)

U1—O1	1.754 (5)	C5—H5A	0.9300
U1—O2	1.743 (5)	C6—C7	1.360 (11)
U1—O3	2.430 (4)	C6—H6A	0.9300
U1—O4	2.435 (5)	C7—C8	1.401 (8)
U1—O5	2.485 (6)	C7—H7A	0.9300
U1—O6	2.496 (5)	C8—C9	1.364 (10)
U1—O8	2.498 (5)	C8—H8A	0.9300
U1—O9	2.507 (5)	C10—C11	1.374 (11)
N1—O7	1.204 (8)	C10—C15	1.377 (10)
N1—O5	1.262 (8)	C10—H10A	0.9300
N1—O6	1.276 (8)	C11—C12	1.377 (10)
N2—O10	1.214 (7)	C11—H11A	0.9300
N2—O8	1.252 (8)	C12—C13	1.375 (11)
N2—O9	1.288 (8)	C12—H12A	0.9300
O3—C1	1.278 (8)	C13—C14	1.363 (10)
O4—C1	1.262 (8)	C13—H13A	0.9300
C1—C2	1.480 (9)	C14—C15	1.406 (9)
C2—C3	1.550 (9)	C14—H14A	0.9300
C2—H2A	0.9700	C16—C17	1.373 (11)
C2—H2B	0.9700	C16—C21	1.402 (11)
C3—P1	1.800 (7)	C16—H16A	0.9300
C3—H3A	0.9700	C17—C18	1.376 (11)
C3—H3B	0.9700	C17—H17A	0.9300
P1—C15	1.789 (7)	C18—C19	1.363 (12)
P1—C9	1.790 (5)	C18—H18A	0.9300
P1—C21	1.797 (7)	C19—C20	1.390 (11)
C4—C5	1.374 (8)	C19—H19A	0.9300
C4—C9	1.383 (10)	C20—C21	1.396 (9)
C4—H4A	0.9300	C20—H20A	0.9300
C5—C6	1.355 (11)
O1—U1—O2	178.3 (2)	C15—P1—C3	111.5 (3)
O1—U1—O3	91.2 (2)	C9—P1—C3	107.7 (3)
O1—U1—O4	89.3 (2)	C21—P1—C3	109.5 (3)
O1—U1—O5	87.4 (2)	C5—C4—C9	120.9 (7)
O1—U1—O6	92.7 (2)	C5—C4—H4A	119.5
O1—U1—O8	89.7 (2)	C9—C4—H4A	119.5
O1—U1—O9	89.4 (2)	C6—C5—C4	118.5 (7)
O2—U1—O3	90.4 (2)	C6—C5—H5A	120.7
O2—U1—O4	92.1 (2)	C4—C5—H5A	120.7
O2—U1—O5	92.7 (3)	C5—C6—C7	122.4 (6)
O2—U1—O6	86.1 (2)	C5—C6—H6A	118.8
O2—U1—O8	88.8 (2)	C7—C6—H6A	118.8
O2—U1—O9	90.2 (2)	C6—C7—C8	118.9 (8)
O3—U1—O4	53.29 (16)	C6—C7—H7A	120.6
O3—U1—O5	69.02 (18)	C8—C7—H7A	120.6
O3—U1—O6	119.37 (17)	C9—C8—C7	119.6 (7)
O3—U1—O8	174.18 (19)	C9—C8—H8A	120.2
O3—U1—O9	123.17 (17)	C7—C8—H8A	120.2
O4—U1—O5	122.12 (16)	C8—C9—C4	119.7 (6)
O4—U1—O6	172.47 (16)	C8—C9—P1	121.4 (5)
O4—U1—O8	120.97 (18)	C4—C9—P1	118.6 (5)
O4—U1—O9	69.90 (16)	C11—C10—C15	121.7 (7)
O5—U1—O6	50.80 (16)	C11—C10—H10A	119.1
O5—U1—O8	116.78 (18)	C15—C10—H10A	119.1
O5—U1—O9	167.49 (18)	C10—C11—C12	119.0 (8)
O6—U1—O8	66.33 (18)	C10—C11—H11A	120.5
O6—U1—O9	117.36 (17)	C12—C11—H11A	120.5
O8—U1—O9	51.08 (17)	C13—C12—C11	120.4 (8)
O7—N1—O5	122.8 (8)	C13—C12—H12A	119.8
O7—N1—O6	122.5 (7)	C11—C12—H12A	119.8
O5—N1—O6	114.7 (7)	C14—C13—C12	120.4 (7)
N1—O5—U1	97.7 (5)	C14—C13—H13A	119.8
N1—O6—U1	96.7 (4)	C12—C13—H13A	119.8
O10—N2—O8	123.7 (7)	C13—C14—C15	120.2 (7)
O10—N2—O9	120.0 (8)	C13—C14—H14A	119.9
O8—N2—O9	116.3 (6)	C15—C14—H14A	119.9
N2—O8—U1	96.9 (4)	C10—C15—C14	118.2 (7)
N2—O9—U1	95.5 (4)	C10—C15—P1	123.1 (5)
C1—O3—U1	94.0 (4)	C14—C15—P1	118.5 (5)
C1—O4—U1	94.2 (4)	C17—C16—C21	120.1 (7)
O4—C1—O3	118.4 (6)	C17—C16—H16A	120.0
O4—C1—C2	120.2 (7)	C21—C16—H16A	120.0
O3—C1—C2	121.1 (6)	C16—C17—C18	119.8 (9)
C1—C2—C3	113.8 (6)	C16—C17—H17A	120.1
C1—C2—H2A	108.8	C18—C17—H17A	120.1
C3—C2—H2A	108.8	C19—C18—C17	120.9 (8)
C1—C2—H2B	108.8	C19—C18—H18A	119.5
C3—C2—H2B	108.8	C17—C18—H18A	119.5
H2A—C2—H2B	107.7	C18—C19—C20	120.8 (7)
C2—C3—P1	112.1 (5)	C18—C19—H19A	119.6
C2—C3—H3A	109.2	C20—C19—H19A	119.6
P1—C3—H3A	109.2	C19—C20—C21	118.8 (8)
C2—C3—H3B	109.2	C19—C20—H20A	120.6
P1—C3—H3B	109.2	C21—C20—H20A	120.6
H3A—C3—H3B	107.9	C20—C21—C16	119.6 (7)
C15—P1—C9	109.8 (3)	C20—C21—P1	121.7 (6)
C15—P1—C21	107.8 (3)	C16—C21—P1	118.5 (5)
C9—P1—C21	110.7 (3)
O2—U1—O3—C1	−93.2 (5)	C9—P1—C3—C2	50.0 (5)
O1—U1—O3—C1	87.2 (5)	C15—P1—C3—C2	170.4 (4)
O4—U1—O3—C1	−1.0 (4)	C21—P1—C3—C2	−70.4 (5)
O5—U1—O3—C1	174.0 (5)	C9—C4—C5—C6	1.9 (13)
O8—U1—O3—C1	−11 (2)	C4—C5—C6—C7	−1.8 (13)
O9—U1—O3—C1	−2.8 (5)	C5—C6—C7—C8	0.8 (13)
O6—U1—O3—C1	−179.0 (4)	C6—C7—C8—C9	0.1 (12)
O2—U1—O4—C1	90.0 (5)	C7—C8—C9—C4	0.1 (12)
O1—U1—O4—C1	−91.1 (4)	C7—C8—C9—P1	173.3 (6)
O3—U1—O4—C1	1.0 (4)	C5—C4—C9—C8	−1.0 (12)
O5—U1—O4—C1	−4.5 (5)	C5—C4—C9—P1	−174.4 (6)
O8—U1—O4—C1	179.8 (4)	C15—P1—C9—C8	134.2 (7)
O9—U1—O4—C1	179.4 (5)	C21—P1—C9—C8	15.4 (8)
O6—U1—O4—C1	14.3 (15)	C3—P1—C9—C8	−104.2 (7)
O2—U1—O5—N1	84.3 (5)	C15—P1—C9—C4	−52.5 (7)
O1—U1—O5—N1	−94.0 (5)	C21—P1—C9—C4	−171.3 (6)
O3—U1—O5—N1	173.7 (5)	C3—P1—C9—C4	69.0 (7)
O4—U1—O5—N1	178.5 (4)	C15—C10—C11—C12	3.2 (15)
O8—U1—O5—N1	−5.7 (5)	C10—C11—C12—C13	−2.4 (15)
O9—U1—O5—N1	−18.7 (12)	C11—C12—C13—C14	0.1 (15)
O6—U1—O5—N1	1.6 (4)	C12—C13—C14—C15	1.4 (14)
O2—U1—O6—N1	−98.3 (5)	C11—C10—C15—C14	−1.7 (13)
O1—U1—O6—N1	82.9 (5)	C11—C10—C15—P1	−176.9 (7)
O3—U1—O6—N1	−10.0 (5)	C13—C14—C15—C10	−0.6 (12)
O4—U1—O6—N1	−22.3 (16)	C13—C14—C15—P1	174.8 (7)
O5—U1—O6—N1	−1.6 (4)	C9—P1—C15—C10	−22.5 (8)
O8—U1—O6—N1	171.3 (5)	C21—P1—C15—C10	98.1 (7)
O9—U1—O6—N1	173.6 (4)	C3—P1—C15—C10	−141.8 (7)
O2—U1—O8—N2	88.3 (5)	C9—P1—C15—C14	162.3 (6)
O1—U1—O8—N2	−92.4 (5)	C21—P1—C15—C14	−77.1 (7)
O3—U1—O8—N2	6 (2)	C3—P1—C15—C14	43.1 (7)
O4—U1—O8—N2	−3.4 (5)	C21—C16—C17—C18	−0.8 (13)
O5—U1—O8—N2	−179.3 (4)	C16—C17—C18—C19	0.2 (14)
O9—U1—O8—N2	−2.9 (4)	C17—C18—C19—C20	0.4 (14)
O6—U1—O8—N2	174.5 (5)	C18—C19—C20—C21	−0.4 (12)
O2—U1—O9—N2	−85.5 (5)	C19—C20—C21—C16	−0.2 (10)
O1—U1—O9—N2	92.9 (5)	C19—C20—C21—P1	−175.1 (5)
O3—U1—O9—N2	−176.1 (4)	C17—C16—C21—C20	0.8 (12)
O4—U1—O9—N2	−177.6 (5)	C17—C16—C21—P1	175.8 (6)
O5—U1—O9—N2	17.8 (11)	C9—P1—C21—C20	−121.9 (6)
O8—U1—O9—N2	2.8 (4)	C15—P1—C21—C20	118.1 (6)
O6—U1—O9—N2	0.2 (5)	C3—P1—C21—C20	−3.3 (6)
U1—O3—C1—O4	1.7 (7)	C9—P1—C21—C16	63.2 (7)
U1—O3—C1—C2	−172.7 (6)	C15—P1—C21—C16	−56.8 (6)
U1—O4—C1—O3	−1.7 (7)	C3—P1—C21—C16	−178.3 (6)
U1—O4—C1—C2	172.8 (6)	U1—O5—N1—O7	−179.5 (7)
O3—C1—C2—C3	−32.5 (10)	U1—O5—N1—O6	−2.6 (7)
O4—C1—C2—C3	153.2 (6)	U1—O6—N1—O7	179.5 (7)
C1—C2—C3—P1	−96.0 (6)	U1—O6—N1—O5	2.6 (7)