Poly[μ-isophthalato-lead(II)]

Zhang, Z.; Zhou, Y.-L.; He, H.-Y.

doi:10.1107/S1600536806031941

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Poly[μ-isophthalato-lead(II)]

Z. Zhang, Y.-L. Zhou and H.-Y. He

In the title compound, [Pb(C₈H₄O₄)]_n, the Pb^II atoms adopt very asymmetric six- and seven-coordinate geometries due to their stereochemically active lone pairs. The isophthalate (benzene-1,3-dicarboxylate) dianions bridge the Pb atoms into a three-dimensional framework. Aromatic π–π stacking and a possible Pb

π interaction are also seen in this structure.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536806031941/hb2092sup1.cif Contains datablocks global, I
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536806031941/hb2092Isup2.hkl Contains datablock I

CCDC reference: 624537

checkCIF report

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.013 Å
R factor = 0.035
wR factor = 0.072
Data-to-parameter ratio = 11.9

checkCIF/PLATON results

No syntax errors found



Alert level C
PLAT041_ALERT_1_C Calc. and Rep. SumFormula Strings    Differ ....          ?
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT045_ALERT_1_C Calculated and Reported Z Differ by ............       0.50 Ratio
PLAT062_ALERT_4_C Rescale T(min) & T(max) by .....................       0.93
PLAT342_ALERT_3_C Low Bond Precision on C-C bonds (x 1000) Ang ...         13
PLAT764_ALERT_4_C Overcomplete CIF Bond List Detected (Rep/Expd) .       1.35 Ratio

Alert level G
ABSTM02_ALERT_3_G  When printed, the submitted absorption T values will be
            replaced by the scaled T values. Since the ratio of scaled T's
            is identical to the ratio of reported T values, the scaling
            does not imply a change to the absorption corrections used in
            the study.
            Ratio of Tmax expected/reported      0.932
            Tmax scaled      0.531 Tmin scaled      0.068
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K
PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature .        293 K

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

   5 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   0 ALERT type 2 Indicator that the structure model may be wrong or deficient
   2 ALERT type 3 Indicator that the structure quality may be low
   2 ALERT type 4 Improvement, methodology, query or suggestion
   0 ALERT type 5 Informative message, check

Computing details top

Data collection: SMART (Bruker, 1997); cell refinement: SMART; data reduction: SAINT; 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.

Poly[µ-isophthalato-lead(II)] top

Crystal data top

[Pb(C₈H₄O₄)]	Z = 8
M_r = 371.30	F(000) = 1328
Monoclinic, P2₁/n	D_x = 3.085 Mg m⁻³
Hall symbol: -P 2yn	Mo Kα radiation, λ = 0.71073 Å
a = 8.6132 (19) Å	θ = 2.2–25.0°
b = 11.032 (2) Å	µ = 21.08 mm⁻¹
c = 17.008 (4) Å	T = 293 K
β = 98.393 (3)°	Needle, colourless
V = 1598.8 (6) Å³	0.26 × 0.03 × 0.03 mm

Data collection top

Bruker SMART CCD diffractometer	2801 independent reflections
Radiation source: fine-focus sealed tube	2376 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.066
ω scans	θ_max = 25.0°, θ_min = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 1997)	h = −10→10
T_min = 0.073, T_max = 0.570	k = −13→13
11038 measured reflections	l = −20→20

Refinement top

Refinement on F²	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F² > 2σ(F²)] = 0.035	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.072	H-atom parameters constrained
S = 1.04	w = 1/[σ²(F_o²) + 2.3602P] where P = (F_o² + 2F_c²)/3
2801 reflections	(Δ/σ)_max = 0.001
235 parameters	Δρ_max = 1.34 e Å⁻³
0 restraints	Δρ_min = −1.77 e Å⁻³

Special details top

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 (Å²) top

	x	y	z	U_iso*/U_eq
Pb1	0.14320 (5)	0.04554 (3)	0.17669 (2)	0.02241 (12)
Pb2	0.42294 (4)	−0.09995 (3)	0.37590 (2)	0.02192 (12)
O8	0.5586 (8)	0.3161 (5)	0.5569 (4)	0.0294 (16)
O7	0.7220 (9)	0.4649 (6)	0.5477 (4)	0.0355 (18)
C16	0.6370 (12)	0.3796 (7)	0.5161 (6)	0.024 (2)
O2	0.6620 (8)	−0.0066 (7)	0.4843 (4)	0.0381 (18)
O1	0.6662 (9)	−0.0249 (6)	0.3560 (4)	0.0388 (19)
C1	0.7193 (12)	0.0181 (8)	0.4233 (6)	0.026 (2)
C2	0.8566 (11)	0.1050 (8)	0.4289 (6)	0.023 (2)
C4	1.0186 (10)	0.2357 (7)	0.3619 (5)	0.018 (2)
C3	0.9013 (11)	0.1479 (8)	0.3587 (6)	0.022 (2)
H3	0.8534	0.1182	0.3099	0.027*
C7	0.9304 (11)	0.1489 (8)	0.5010 (5)	0.025 (2)
H7	0.9005	0.1203	0.5480	0.030*
C5	1.0901 (12)	0.2802 (8)	0.4352 (5)	0.029 (2)
H5	1.1660	0.3406	0.4376	0.035*
C6	1.0464 (13)	0.2333 (9)	0.5039 (6)	0.037 (3)
H6	1.0970	0.2597	0.5530	0.044*
O3	1.0026 (8)	0.2392 (5)	0.2199 (4)	0.0263 (15)
O4	1.1338 (9)	0.3881 (6)	0.2868 (4)	0.0348 (18)
C8	1.0552 (10)	0.2899 (8)	0.2854 (5)	0.021 (2)
O6	0.3471 (8)	0.1909 (6)	0.1938 (4)	0.0305 (16)
O5	0.3277 (8)	0.1052 (5)	0.3101 (4)	0.0233 (15)
C9	0.3892 (11)	0.1794 (8)	0.2677 (6)	0.025 (2)
C10	0.5102 (11)	0.2648 (8)	0.3084 (5)	0.019 (2)
C11	0.6049 (11)	0.3321 (8)	0.2655 (6)	0.026 (2)
H11	0.5964	0.3225	0.2107	0.031*
C15	0.5231 (11)	0.2789 (7)	0.3899 (5)	0.020 (2)
H15	0.4603	0.2327	0.4185	0.024*
C12	0.7122 (11)	0.4137 (8)	0.3042 (5)	0.023 (2)
H12	0.7766	0.4583	0.2756	0.028*
C13	0.7231 (12)	0.4286 (7)	0.3861 (6)	0.023 (2)
H13	0.7942	0.4840	0.4121	0.028*
C14	0.6282 (11)	0.3611 (8)	0.4294 (5)	0.021 (2)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Pb1	0.0259 (2)	0.0197 (2)	0.0201 (2)	−0.00184 (15)	−0.00214 (16)	−0.00029 (14)
Pb2	0.0244 (2)	0.0210 (2)	0.0213 (2)	−0.00304 (15)	0.00619 (16)	0.00099 (14)
O8	0.043 (5)	0.020 (4)	0.024 (4)	−0.003 (3)	0.004 (3)	−0.002 (3)
O7	0.046 (5)	0.033 (4)	0.023 (4)	−0.013 (3)	−0.011 (3)	0.000 (3)
C16	0.032 (6)	0.010 (5)	0.029 (6)	−0.005 (4)	0.002 (5)	0.001 (4)
O2	0.033 (5)	0.053 (5)	0.032 (4)	−0.010 (4)	0.018 (4)	−0.004 (4)
O1	0.039 (5)	0.045 (5)	0.035 (5)	−0.020 (4)	0.017 (4)	−0.012 (4)
C1	0.026 (6)	0.020 (5)	0.036 (6)	0.007 (4)	0.018 (5)	0.008 (4)
C2	0.022 (6)	0.019 (5)	0.028 (5)	0.003 (4)	0.005 (4)	−0.002 (4)
C4	0.016 (5)	0.021 (5)	0.016 (5)	−0.001 (4)	−0.002 (4)	0.000 (4)
C3	0.021 (6)	0.018 (5)	0.027 (5)	0.008 (4)	0.002 (4)	0.002 (4)
C7	0.017 (6)	0.037 (6)	0.020 (5)	−0.005 (4)	0.001 (4)	0.003 (4)
C5	0.037 (7)	0.028 (6)	0.020 (5)	−0.003 (5)	−0.004 (5)	0.005 (4)
C6	0.041 (7)	0.044 (7)	0.021 (5)	−0.010 (5)	−0.011 (5)	−0.011 (5)
O3	0.037 (4)	0.026 (4)	0.016 (3)	−0.002 (3)	0.005 (3)	0.000 (3)
O4	0.037 (5)	0.029 (4)	0.042 (5)	−0.013 (3)	0.020 (4)	−0.001 (3)
C8	0.010 (5)	0.025 (5)	0.027 (5)	0.008 (4)	0.001 (4)	0.004 (4)
O6	0.030 (4)	0.042 (4)	0.017 (4)	−0.014 (3)	−0.005 (3)	−0.001 (3)
O5	0.026 (4)	0.025 (4)	0.018 (3)	−0.003 (3)	−0.001 (3)	0.005 (3)
C9	0.023 (6)	0.019 (5)	0.030 (6)	0.007 (4)	0.000 (5)	−0.009 (4)
C10	0.014 (5)	0.023 (5)	0.017 (5)	0.001 (4)	−0.002 (4)	0.002 (4)
C11	0.030 (6)	0.022 (5)	0.026 (5)	0.006 (4)	0.004 (5)	−0.001 (4)
C15	0.018 (5)	0.019 (5)	0.020 (5)	0.007 (4)	−0.006 (4)	0.007 (4)
C12	0.023 (6)	0.026 (5)	0.021 (5)	−0.004 (4)	0.004 (4)	0.001 (4)
C13	0.027 (6)	0.013 (5)	0.027 (6)	−0.009 (4)	−0.002 (5)	−0.008 (4)
C14	0.026 (6)	0.021 (5)	0.015 (5)	0.002 (4)	−0.004 (4)	0.000 (4)

Geometric parameters (Å, º) top

Pb1—O6	2.365 (6)	O2—Pb2^v	2.842 (7)
Pb1—O7ⁱ	2.393 (7)	C1—C2	1.514 (13)
Pb1—O8ⁱ	2.565 (6)	C2—C7	1.384 (13)
Pb1—O4ⁱⁱ	2.597 (7)	C2—C3	1.390 (13)
Pb1—O3ⁱⁱⁱ	2.614 (6)	C4—C3	1.395 (12)
Pb1—O5	2.656 (6)	C4—C5	1.396 (12)
Pb1—Pb2^iv	4.0337 (10)	C4—C8	1.507 (12)
Pb1—Pb2	4.1807 (8)	C3—H3	0.9300
Pb2—O1	2.323 (7)	C7—C6	1.361 (13)
Pb2—O3ⁱⁱ	2.553 (6)	C7—H7	0.9300
Pb2—O5	2.604 (6)	C5—C6	1.380 (13)
Pb2—O8^v	2.639 (6)	C5—H5	0.9300
Pb2—O4ⁱⁱ	2.741 (7)	C6—H6	0.9300
Pb2—O2	2.756 (7)	O3—Pb2^viii	2.553 (6)
Pb2—O2^v	2.842 (7)	O3—Pb1^ix	2.614 (6)
Pb2—Pb1^vi	4.0337 (10)	O4—Pb1^viii	2.597 (7)
C1—O1	1.261 (12)	O4—Pb2^viii	2.741 (7)
C1—O2	1.243 (11)	C8—Pb2^viii	3.031 (9)
C8—O3	1.269 (11)	C9—C10	1.497 (12)
C8—O4	1.275 (10)	C10—C15	1.383 (12)
C9—O5	1.257 (11)	C10—C11	1.388 (12)
C9—O6	1.263 (10)	C11—C12	1.385 (13)
C16—O7	1.263 (11)	C11—H11	0.9300
C16—O8	1.251 (11)	C15—C14	1.383 (12)
O8—Pb1^vii	2.565 (6)	C15—H15	0.9300
O8—Pb2^v	2.639 (6)	C12—C13	1.393 (12)
O7—Pb1^vii	2.393 (7)	C12—H12	0.9300
C16—C14	1.481 (12)	C13—C14	1.393 (13)
C16—Pb1^vii	2.846 (10)	C13—H13	0.9300

O6—Pb1—O7ⁱ	80.8 (2)	C3—C2—C1	118.2 (9)
O6—Pb1—O8ⁱ	79.3 (2)	C3—C4—C5	120.1 (8)
O7ⁱ—Pb1—O8ⁱ	52.1 (2)	C3—C4—C8	118.9 (8)
O6—Pb1—O4ⁱⁱ	85.1 (2)	C5—C4—C8	120.7 (8)
O7ⁱ—Pb1—O4ⁱⁱ	83.6 (2)	C2—C3—C4	119.5 (9)
O8ⁱ—Pb1—O4ⁱⁱ	134.6 (2)	C2—C3—H3	120.3
O6—Pb1—O3ⁱⁱⁱ	77.1 (2)	C4—C3—H3	120.3
O7ⁱ—Pb1—O3ⁱⁱⁱ	120.2 (2)	C6—C7—C2	120.7 (9)
O8ⁱ—Pb1—O3ⁱⁱⁱ	69.34 (19)	C6—C7—H7	119.6
O4ⁱⁱ—Pb1—O3ⁱⁱⁱ	146.8 (2)	C2—C7—H7	119.6
O6—Pb1—O5	52.1 (2)	C6—C5—C4	119.0 (9)
O7ⁱ—Pb1—O5	125.5 (2)	C6—C5—H5	120.5
O8ⁱ—Pb1—O5	126.61 (19)	C4—C5—H5	120.5
O4ⁱⁱ—Pb1—O5	68.4 (2)	C7—C6—C5	121.0 (9)
O3ⁱⁱⁱ—Pb1—O5	78.53 (19)	C7—C6—H6	119.5
Pb2^iv—Pb1—Pb2	126.726 (11)	C5—C6—H6	119.5
O1—Pb2—O3ⁱⁱ	80.7 (2)	C8—O3—Pb2^viii	99.4 (5)
O1—Pb2—O5	82.1 (2)	C8—O3—Pb1^ix	119.1 (5)
O3ⁱⁱ—Pb2—O5	115.00 (19)	Pb2^viii—O3—Pb1^ix	102.6 (2)
O1—Pb2—O8^v	112.7 (2)	C8—O4—Pb1^viii	160.8 (6)
O3ⁱⁱ—Pb2—O8^v	69.11 (19)	C8—O4—Pb2^viii	90.4 (5)
O5—Pb2—O8^v	165.2 (2)	Pb1^viii—O4—Pb2^viii	103.1 (2)
O1—Pb2—O4ⁱⁱ	84.4 (2)	O3—C8—O4	120.7 (8)
O3ⁱⁱ—Pb2—O4ⁱⁱ	49.22 (18)	O3—C8—C4	119.3 (8)
O5—Pb2—O4ⁱⁱ	67.02 (19)	O4—C8—C4	119.9 (8)
O8^v—Pb2—O4ⁱⁱ	112.58 (19)	O3—C8—Pb2^viii	56.2 (4)
O1—Pb2—O2	50.4 (2)	O4—C8—Pb2^viii	64.8 (5)
O3ⁱⁱ—Pb2—O2	117.0 (2)	C4—C8—Pb2^viii	171.6 (6)
O5—Pb2—O2	96.9 (2)	C9—O6—Pb1	98.9 (6)
O8^v—Pb2—O2	93.2 (2)	C9—O5—Pb2	132.8 (6)
O4ⁱⁱ—Pb2—O2	134.4 (2)	C9—O5—Pb1	85.5 (5)
O1—Pb2—O2^v	108.8 (2)	Pb2—O5—Pb1	105.3 (2)
O3ⁱⁱ—Pb2—O2^v	160.1 (2)	O5—C9—O6	123.6 (9)
O5—Pb2—O2^v	84.1 (2)	O5—C9—C10	117.8 (8)
O8^v—Pb2—O2^v	91.0 (2)	O6—C9—C10	118.4 (8)
O4ⁱⁱ—Pb2—O2^v	146.5 (2)	O5—C9—Pb1	68.4 (5)
O2—Pb2—O2^v	62.9 (2)	O6—C9—Pb1	55.1 (5)
Pb1^vii—O8—Pb2^v	101.6 (2)	C10—C9—Pb1	171.9 (6)
O8—C16—O7	120.5 (9)	C15—C10—C11	119.9 (9)
O8—C16—C14	121.5 (8)	C15—C10—C9	118.9 (8)
O7—C16—C14	117.9 (8)	C11—C10—C9	121.1 (8)
O8—C16—Pb1^vii	64.3 (5)	C12—C11—C10	120.1 (9)
O7—C16—Pb1^vii	56.5 (5)	C12—C11—H11	120.0
C14—C16—Pb1^vii	170.9 (6)	C10—C11—H11	120.0
C1—O2—Pb2	82.6 (6)	C10—C15—C14	120.8 (9)
C1—O2—Pb2^v	142.2 (6)	C10—C15—H15	119.6
Pb2—O2—Pb2^v	117.1 (2)	C14—C15—H15	119.6
C1—O1—Pb2	102.6 (6)	C11—C12—C13	119.7 (9)
O2—C1—O1	122.7 (9)	C11—C12—H12	120.2
O2—C1—C2	119.2 (9)	C13—C12—H12	120.2
O1—C1—C2	118.2 (8)	C14—C13—C12	120.4 (8)
O2—C1—Pb2	72.0 (6)	C14—C13—H13	119.8
O1—C1—Pb2	52.1 (5)	C12—C13—H13	119.8
C2—C1—Pb2	163.3 (7)	C15—C14—C13	119.2 (8)
C7—C2—C3	119.6 (9)	C15—C14—C16	120.6 (8)
C7—C2—C1	122.0 (9)	C13—C14—C16	120.2 (8)

Pb1^vii—O8—C16—O7	5.3 (9)	C5—C4—C8—O4	−10.3 (13)
Pb2^v—O8—C16—O7	−101.8 (10)	O7ⁱ—Pb1—O6—C9	−151.1 (6)
Pb1^vii—O8—C16—C14	−172.0 (8)	O8ⁱ—Pb1—O6—C9	155.9 (6)
Pb2^v—O8—C16—C14	80.9 (12)	O4ⁱⁱ—Pb1—O6—C9	−66.8 (6)
Pb1^vii—O7—C16—O8	−5.8 (10)	O3ⁱⁱⁱ—Pb1—O6—C9	84.9 (5)
Pb1^vii—O7—C16—C14	171.6 (7)	O5—Pb1—O6—C9	−0.5 (5)
O1—Pb2—O2—C1	7.3 (5)	O1—Pb2—O5—C9	19.3 (8)
O3ⁱⁱ—Pb2—O2—C1	56.3 (6)	O3ⁱⁱ—Pb2—O5—C9	−56.5 (8)
O5—Pb2—O2—C1	−66.3 (6)	O8^v—Pb2—O5—C9	−159.5 (8)
O8^v—Pb2—O2—C1	124.5 (5)	O4ⁱⁱ—Pb2—O5—C9	−67.9 (8)
O4ⁱⁱ—Pb2—O2—C1	−1.9 (7)	O2—Pb2—O5—C9	67.6 (8)
O2^v—Pb2—O2—C1	−146.0 (7)	O2^v—Pb2—O5—C9	129.3 (8)
O1—Pb2—O2—Pb2^v	153.4 (4)	O1—Pb2—O5—Pb1	117.4 (3)
O3ⁱⁱ—Pb2—O2—Pb2^v	−157.7 (2)	O3ⁱⁱ—Pb2—O5—Pb1	41.6 (3)
O5—Pb2—O2—Pb2^v	79.7 (3)	O8^v—Pb2—O5—Pb1	−61.4 (8)
O8^v—Pb2—O2—Pb2^v	−89.5 (3)	O4ⁱⁱ—Pb2—O5—Pb1	30.2 (2)
O4ⁱⁱ—Pb2—O2—Pb2^v	144.1 (2)	O2—Pb2—O5—Pb1	165.7 (2)
O2^v—Pb2—O2—Pb2^v	0.0	O2^v—Pb2—O5—Pb1	−132.6 (2)
O3ⁱⁱ—Pb2—O1—C1	−144.4 (6)	O6—Pb1—O5—C9	0.5 (5)
O5—Pb2—O1—C1	98.5 (6)	O7ⁱ—Pb1—O5—C9	37.0 (6)
O8^v—Pb2—O1—C1	−81.8 (6)	O8ⁱ—Pb1—O5—C9	−28.8 (6)
O4ⁱⁱ—Pb2—O1—C1	166.0 (6)	O4ⁱⁱ—Pb1—O5—C9	101.5 (5)
O2—Pb2—O1—C1	−7.4 (5)	O3ⁱⁱⁱ—Pb1—O5—C9	−82.0 (5)
O2^v—Pb2—O1—C1	17.6 (7)	O6—Pb1—O5—Pb2	−132.7 (3)
Pb2—O2—C1—O1	−12.4 (9)	O7ⁱ—Pb1—O5—Pb2	−96.2 (3)
Pb2^v—O2—C1—O1	−138.1 (9)	O8ⁱ—Pb1—O5—Pb2	−162.1 (2)
Pb2—O2—C1—C2	166.4 (8)	O4ⁱⁱ—Pb1—O5—Pb2	−31.7 (2)
Pb2^v—O2—C1—C2	40.7 (15)	O3ⁱⁱⁱ—Pb1—O5—Pb2	144.7 (2)
Pb2—O1—C1—O2	15.1 (11)	Pb2—O5—C9—O6	105.8 (10)
Pb2—O1—C1—C2	−163.8 (7)	Pb1—O5—C9—O6	−0.8 (9)
O2—C1—C2—C7	6.5 (14)	Pb2—O5—C9—C10	−79.0 (10)
O1—C1—C2—C7	−174.7 (9)	Pb1—O5—C9—C10	174.3 (7)
Pb2—C1—C2—C7	135 (2)	Pb1—O6—C9—O5	1.0 (10)
O2—C1—C2—C3	−168.9 (9)	Pb1—O6—C9—C10	−174.2 (7)
O1—C1—C2—C3	9.9 (13)	O6—Pb1—C9—O5	−179.1 (9)
Pb2—C1—C2—C3	−40 (3)	O7ⁱ—Pb1—C9—O5	−149.8 (5)
C7—C2—C3—C4	−0.8 (13)	O8ⁱ—Pb1—C9—O5	156.6 (5)
C1—C2—C3—C4	174.6 (8)	O4ⁱⁱ—Pb1—C9—O5	−70.2 (5)
C5—C4—C3—C2	−0.1 (13)	O3ⁱⁱⁱ—Pb1—C9—O5	92.0 (5)
C8—C4—C3—C2	−174.3 (8)	O5—C9—C10—C15	−15.0 (13)
C3—C2—C7—C6	−0.1 (15)	O6—C9—C10—C15	160.4 (8)
C1—C2—C7—C6	−175.4 (9)	O5—C9—C10—C11	167.2 (8)
C3—C4—C5—C6	2.0 (14)	O6—C9—C10—C11	−17.4 (13)
C8—C4—C5—C6	176.1 (9)	C15—C10—C11—C12	−0.1 (14)
C2—C7—C6—C5	2.1 (16)	C9—C10—C11—C12	177.7 (8)
C4—C5—C6—C7	−3.0 (16)	C11—C10—C15—C14	0.9 (13)
Pb2^viii—O3—C8—O4	−6.0 (9)	C9—C10—C15—C14	−177.0 (8)
Pb1^ix—O3—C8—O4	104.2 (8)	C10—C11—C12—C13	−0.7 (14)
Pb2^viii—O3—C8—C4	171.6 (6)	C11—C12—C13—C14	0.8 (14)
Pb1^ix—O3—C8—C4	−78.2 (9)	C10—C15—C14—C13	−0.9 (14)
Pb1^viii—O4—C8—O3	−129.3 (16)	C10—C15—C14—C16	177.5 (8)
Pb2^viii—O4—C8—O3	5.5 (8)	C12—C13—C14—C15	0.0 (14)
Pb1^viii—O4—C8—C4	53 (2)	C12—C13—C14—C16	−178.3 (8)
Pb2^viii—O4—C8—C4	−172.1 (7)	O8—C16—C14—C15	5.1 (14)
C3—C4—C8—O3	−13.8 (12)	O7—C16—C14—C15	−172.2 (9)
C5—C4—C8—O3	172.1 (8)	O8—C16—C14—C13	−176.5 (9)
C3—C4—C8—O4	163.8 (8)	O7—C16—C14—C13	6.1 (14)

Symmetry codes: (i) x−1/2, −y+1/2, z−1/2; (ii) −x+3/2, y−1/2, −z+1/2; (iii) x−1, y, z; (iv) −x+1/2, y+1/2, −z+1/2; (v) −x+1, −y, −z+1; (vi) −x+1/2, y−1/2, −z+1/2; (vii) x+1/2, −y+1/2, z+1/2; (viii) −x+3/2, y+1/2, −z+1/2; (ix) x+1, y, z.

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