Poly[tetra-kis-(μ-benzene-1,2-dicarboxyl-ato)di-μ-formato-penta-strontium(II)].

The asymmetric unit of the title complex, [Sr(5)(C(8)H(4)O(4))(4)(HCO(2))(2)](n), contains three independent Sr(II) ions, one of which is located on an inversion center. In the crystal, the Sr(II) ions (coordination numbers 8, 9 and 12) are connected by two crystallographically distinct benzene-1,2-dicarboxyl-ate ligands and one formate ligand, forming a two-dimensional polymer parallel to (001).

Related literature

For general background to metal coordination polymers, see: Kitagawa et al. (2004 ▶). For related structures, see: Stein & Ruschewitz (2005 ▶); Zhang et al. (2009 ▶); Wang et al. (2010 ▶).

Experimental

Crystal data

[Sr5(C8H4O4)4(HCO2)2]

M = 1184.58

Triclinic,

a = 7.0292 (3) Å

b = 10.2892 (4) Å

c = 12.5439 (5) Å

α = 91.361 (2)°

β = 90.407 (2)°

γ = 104.998 (2)°

V = 876.00 (6) Å3

Z = 1

Mo Kα radiation

μ = 7.65 mm−1

T = 295 K

0.20 × 0.18 × 0.15 mm

Data collection

Bruker APEXII CCD diffractometer

Absorption correction: multi-scan (SADABS; Bruker, 2010 ▶) T min = 0.310, T max = 0.393

15465 measured reflections

4295 independent reflections

3585 reflections with I > 2σ(I)

R int = 0.033

Refinement

R[F 2 > 2σ(F 2)] = 0.028

wR(F 2) = 0.060

S = 1.04

4295 reflections

268 parameters

H-atom parameters constrained

Δρmax = 0.97 e Å−3

Δρmin = −0.39 e Å−3

Data collection: APEX2 (Bruker, 2010 ▶); cell refinement: SAINT (Bruker, 2010 ▶); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: DIAMOND (Brandenburg, 2010 ▶); software used to prepare material for publication: SHELXTL (Sheldrick, 2008 ▶).

Crystal structure: contains datablock(s) I, global. DOI: 10.1107/S1600536811044977/lh5360sup1.cif

Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536811044977/lh5360Isup2.hkl

Additional supplementary materials: crystallographic information; 3D view; checkCIF report

[Sr5(C8H4O4)4(HCO2)2]	Z = 1
Mr = 1184.58	F(000) = 572
Triclinic, P1	Dx = 2.245 Mg m−3
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71073 Å
a = 7.0292 (3) Å	Cell parameters from 8942 reflections
b = 10.2892 (4) Å	θ = 2.6–28.3°
c = 12.5439 (5) Å	µ = 7.65 mm−1
α = 91.361 (2)°	T = 295 K
β = 90.407 (2)°	Lamellar, colorless
γ = 104.998 (2)°	0.20 × 0.18 × 0.15 mm
V = 876.00 (6) Å3

Bruker APEXII CCD diffractometer	4295 independent reflections
Radiation source: fine-focus sealed tube	3585 reflections with I > 2σ(I)
graphite	Rint = 0.033
Detector resolution: 8.3333 pixels mm-1	θmax = 28.3°, θmin = 1.6°
φ and ω scans	h = −9→9
Absorption correction: multi-scan (SADABS; Bruker, 2010)	k = −13→13
Tmin = 0.310, Tmax = 0.393	l = −16→16
15465 measured reflections

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)] = 0.028	Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.060	H-atom parameters constrained
S = 1.04	w = 1/[σ2(Fo2) + (0.0254P)2 + 0.4547P] where P = (Fo2 + 2Fc2)/3
4295 reflections	(Δ/σ)max = 0.001
268 parameters	Δρmax = 0.97 e Å−3
0 restraints	Δρmin = −0.39 e Å−3

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.

	x	y	z	Uiso*/Ueq
Sr1	1.0000	0.0000	0.0000	0.01600 (9)
Sr2	0.86724 (3)	−0.37889 (2)	−0.11377 (2)	0.01683 (7)
Sr3	0.57129 (3)	0.21010 (2)	−0.05482 (2)	0.01681 (7)
O1	0.6246 (3)	−0.05156 (18)	−0.08904 (15)	0.0184 (4)
O2	0.8372 (3)	−0.14323 (19)	−0.17205 (16)	0.0219 (4)
O3	0.2714 (3)	0.03708 (19)	−0.14874 (16)	0.0227 (4)
O4	0.1994 (3)	−0.17952 (19)	−0.11074 (16)	0.0209 (4)
O5	0.7838 (3)	−0.26762 (19)	0.05581 (15)	0.0215 (4)
O6	1.0850 (3)	−0.18764 (19)	0.12185 (17)	0.0254 (5)
O7	0.5072 (3)	−0.61995 (19)	0.10329 (16)	0.0233 (4)
O8	0.8151 (3)	−0.54513 (18)	0.05059 (15)	0.0190 (4)
O9	0.6767 (3)	−0.6166 (2)	−0.19012 (17)	0.0274 (5)
O10	0.8059 (4)	−0.4615 (3)	−0.30783 (19)	0.0432 (6)
C1	0.6836 (4)	−0.1025 (3)	−0.1717 (2)	0.0168 (6)
C2	0.5647 (4)	−0.1157 (3)	−0.2734 (2)	0.0178 (6)
C3	0.6460 (4)	−0.1431 (3)	−0.3689 (2)	0.0268 (7)
H3A	0.7758	−0.1489	−0.3701	0.032*
C4	0.5356 (5)	−0.1618 (3)	−0.4624 (3)	0.0316 (7)
H4A	0.5917	−0.1788	−0.5265	0.038*
C5	0.3424 (5)	−0.1553 (3)	−0.4603 (3)	0.0327 (8)
H5A	0.2678	−0.1684	−0.5231	0.039*
C6	0.2587 (4)	−0.1293 (3)	−0.3652 (3)	0.0292 (7)
H6A	0.1279	−0.1256	−0.3643	0.035*
C7	0.3690 (4)	−0.1087 (3)	−0.2717 (2)	0.0184 (6)
C8	0.2747 (4)	−0.0818 (3)	−0.1693 (2)	0.0172 (6)
C9	0.9131 (4)	−0.2604 (3)	0.1291 (2)	0.0166 (6)
C10	0.8555 (4)	−0.3394 (3)	0.2271 (2)	0.0183 (6)
C11	0.9164 (4)	−0.2784 (3)	0.3253 (3)	0.0280 (7)
H11A	0.9963	−0.1909	0.3287	0.034*
C12	0.8602 (5)	−0.3458 (3)	0.4187 (3)	0.0336 (8)
H12A	0.9028	−0.3042	0.4843	0.040*
C13	0.7407 (5)	−0.4750 (3)	0.4136 (3)	0.0343 (8)
H13A	0.7023	−0.5208	0.4760	0.041*
C14	0.6777 (4)	−0.5367 (3)	0.3161 (3)	0.0275 (7)
H14A	0.5956	−0.6236	0.3136	0.033*
C15	0.7349 (4)	−0.4711 (3)	0.2222 (2)	0.0180 (6)
C16	0.6787 (4)	−0.5489 (3)	0.1181 (2)	0.0159 (6)
C17	0.7073 (5)	−0.5772 (4)	−0.2845 (3)	0.0377 (8)
H17A	0.6537	−0.6374	−0.3400	0.045*

	U11	U22	U33	U12	U13	U23
Sr1	0.01285 (16)	0.01455 (18)	0.0203 (2)	0.00311 (13)	−0.00091 (13)	0.00027 (15)
Sr2	0.01502 (12)	0.01474 (13)	0.02072 (15)	0.00390 (10)	0.00023 (10)	0.00003 (10)
Sr3	0.01324 (12)	0.01526 (13)	0.02143 (15)	0.00273 (9)	0.00058 (10)	0.00130 (10)
O1	0.0151 (9)	0.0180 (10)	0.0201 (11)	0.0006 (8)	−0.0004 (8)	−0.0016 (8)
O2	0.0151 (9)	0.0235 (11)	0.0280 (12)	0.0065 (8)	−0.0020 (8)	0.0008 (9)
O3	0.0229 (10)	0.0179 (10)	0.0287 (12)	0.0080 (8)	−0.0001 (9)	−0.0042 (9)
O4	0.0140 (9)	0.0210 (10)	0.0263 (12)	0.0015 (8)	0.0003 (8)	0.0058 (9)
O5	0.0269 (10)	0.0175 (10)	0.0216 (11)	0.0086 (8)	−0.0045 (8)	−0.0001 (8)
O6	0.0189 (10)	0.0213 (11)	0.0352 (13)	0.0027 (8)	0.0041 (9)	0.0083 (9)
O7	0.0153 (9)	0.0236 (11)	0.0287 (12)	0.0013 (8)	−0.0013 (8)	−0.0036 (9)
O8	0.0186 (9)	0.0184 (10)	0.0213 (11)	0.0065 (8)	0.0053 (8)	0.0022 (8)
O9	0.0330 (12)	0.0234 (11)	0.0267 (13)	0.0084 (9)	−0.0005 (9)	0.0044 (10)
O10	0.0558 (16)	0.0426 (15)	0.0303 (14)	0.0106 (13)	0.0049 (12)	0.0044 (12)
C1	0.0116 (12)	0.0135 (13)	0.0230 (16)	−0.0008 (10)	0.0000 (11)	0.0018 (12)
C2	0.0172 (13)	0.0157 (13)	0.0198 (15)	0.0031 (11)	−0.0012 (11)	−0.0003 (11)
C3	0.0213 (14)	0.0315 (17)	0.0276 (18)	0.0070 (13)	0.0027 (13)	−0.0010 (14)
C4	0.0345 (18)	0.041 (2)	0.0199 (17)	0.0101 (15)	0.0023 (13)	−0.0011 (15)
C5	0.0356 (18)	0.043 (2)	0.0197 (17)	0.0106 (15)	−0.0081 (14)	−0.0037 (15)
C6	0.0212 (14)	0.0410 (19)	0.0272 (18)	0.0119 (13)	−0.0062 (12)	−0.0037 (15)
C7	0.0169 (13)	0.0144 (13)	0.0238 (16)	0.0038 (11)	0.0010 (11)	0.0003 (12)
C8	0.0085 (11)	0.0192 (14)	0.0243 (16)	0.0046 (10)	−0.0050 (10)	−0.0009 (12)
C9	0.0193 (13)	0.0128 (13)	0.0194 (15)	0.0072 (11)	0.0027 (11)	−0.0014 (11)
C10	0.0169 (13)	0.0180 (14)	0.0193 (15)	0.0035 (11)	−0.0010 (11)	−0.0004 (12)
C11	0.0282 (16)	0.0227 (16)	0.0287 (18)	−0.0007 (13)	−0.0039 (13)	−0.0041 (14)
C12	0.0386 (19)	0.038 (2)	0.0212 (18)	0.0048 (15)	−0.0021 (14)	−0.0069 (15)
C13	0.0440 (19)	0.0368 (19)	0.0199 (18)	0.0057 (16)	0.0035 (15)	0.0068 (15)
C14	0.0295 (16)	0.0211 (15)	0.0293 (18)	0.0019 (13)	0.0020 (13)	0.0021 (14)
C15	0.0144 (12)	0.0196 (14)	0.0199 (15)	0.0043 (11)	0.0018 (11)	−0.0003 (12)
C16	0.0172 (13)	0.0129 (13)	0.0194 (15)	0.0071 (10)	−0.0019 (11)	0.0023 (11)
C17	0.0385 (19)	0.037 (2)	0.039 (2)	0.0135 (16)	0.0002 (16)	−0.0016 (17)

Sr1—O3i	2.641 (2)	O6—C9	1.251 (3)
Sr1—O3ii	2.641 (2)	O6—Sr3iii	2.6281 (19)
Sr1—O2iii	2.661 (2)	O7—C16	1.248 (3)
Sr1—O2	2.661 (2)	O7—Sr2iv	2.6335 (18)
Sr1—O6iii	2.6729 (19)	O7—Sr3viii	2.729 (2)
Sr1—O6	2.6729 (19)	O8—C16	1.277 (3)
Sr1—O1	2.7742 (17)	O8—Sr2v	2.6710 (18)
Sr1—O1iii	2.7742 (17)	O8—Sr3viii	2.9331 (19)
Sr1—O5iii	2.8848 (19)	O9—C17	1.262 (4)
Sr1—O5	2.8848 (19)	O9—Sr3viii	2.467 (2)
Sr1—O4i	2.9242 (19)	O10—C17	1.256 (4)
Sr1—O4ii	2.9242 (19)	C1—C2	1.504 (4)
Sr2—O5	2.536 (2)	C2—C3	1.384 (4)
Sr2—O10	2.556 (2)	C2—C7	1.396 (4)
Sr2—O2	2.6087 (19)	C3—C4	1.384 (4)
Sr2—O9	2.620 (2)	C3—H3A	0.9300
Sr2—O7iv	2.6335 (18)	C4—C5	1.378 (4)
Sr2—O8v	2.6710 (18)	C4—H4A	0.9300
Sr2—O8	2.6766 (18)	C5—C6	1.384 (5)
Sr2—O4ii	2.6789 (18)	C5—H5A	0.9300
Sr3—O9vi	2.467 (2)	C6—C7	1.383 (4)
Sr3—O1i	2.6128 (19)	C6—H6A	0.9300
Sr3—O6iii	2.6281 (19)	C7—C8	1.502 (4)
Sr3—O3	2.6314 (19)	C8—Sr1vii	3.125 (3)
Sr3—O4i	2.6938 (19)	C8—Sr3i	3.420 (3)
Sr3—O5i	2.7104 (18)	C9—C10	1.490 (4)
Sr3—O7vi	2.729 (2)	C10—C11	1.383 (4)
Sr3—O1	2.8361 (19)	C10—C15	1.400 (4)
Sr3—O8vi	2.9332 (19)	C11—C12	1.382 (4)
O1—C1	1.271 (3)	C11—H11A	0.9300
O1—Sr3i	2.6129 (19)	C12—C13	1.376 (5)
O2—C1	1.255 (3)	C12—H12A	0.9300
O3—C8	1.250 (3)	C13—C14	1.380 (4)
O3—Sr1vii	2.641 (2)	C13—H13A	0.9300
O4—C8	1.264 (3)	C14—C15	1.382 (4)
O4—Sr2vii	2.6789 (18)	C14—H14A	0.9300
O4—Sr3i	2.6938 (19)	C15—C16	1.510 (4)
O4—Sr1vii	2.9242 (19)	C16—Sr3viii	3.190 (3)
O5—C9	1.275 (3)	C17—H17A	0.9300
O5—Sr3i	2.7104 (18)
O3i—Sr1—O3ii	180.00 (9)	O3—Sr3—O1	65.33 (5)
O3i—Sr1—O2iii	72.69 (6)	O4i—Sr3—O1	76.04 (6)
O3ii—Sr1—O2iii	107.31 (6)	O5i—Sr3—O1	124.22 (5)
O3i—Sr1—O2	107.31 (6)	O7vi—Sr3—O1	141.68 (6)
O3ii—Sr1—O2	72.69 (6)	O9vi—Sr3—O8vi	71.45 (6)
O2iii—Sr1—O2	180.0	O1i—Sr3—O8vi	109.25 (5)
O3i—Sr1—O6iii	103.66 (6)	O6iii—Sr3—O8vi	82.40 (6)
O3ii—Sr1—O6iii	76.34 (6)	O3—Sr3—O8vi	161.74 (5)
O2iii—Sr1—O6iii	102.22 (6)	O4i—Sr3—O8vi	62.49 (5)
O2—Sr1—O6iii	77.78 (6)	O5i—Sr3—O8vi	100.39 (5)
O3i—Sr1—O6	76.34 (6)	O7vi—Sr3—O8vi	45.82 (5)
O3ii—Sr1—O6	103.66 (6)	O1—Sr3—O8vi	132.73 (5)
O2iii—Sr1—O6	77.78 (6)	O9vi—Sr3—C16vi	86.49 (7)
O2—Sr1—O6	102.22 (6)	O1i—Sr3—C16vi	89.85 (6)
O6iii—Sr1—O6	180.0	O6iii—Sr3—C16vi	104.15 (6)
O3i—Sr1—O1	68.69 (6)	O3—Sr3—C16vi	142.52 (6)
O3ii—Sr1—O1	111.31 (6)	O4i—Sr3—C16vi	63.56 (6)
O2iii—Sr1—O1	131.93 (5)	O5i—Sr3—C16vi	83.02 (6)
O2—Sr1—O1	48.07 (5)	O7vi—Sr3—C16vi	22.65 (6)
O6iii—Sr1—O1	61.89 (6)	O1—Sr3—C16vi	139.48 (6)
O6—Sr1—O1	118.11 (6)	O8vi—Sr3—C16vi	23.60 (6)
O3i—Sr1—O1iii	111.31 (6)	O9vi—Sr3—C8i	143.07 (7)
O3ii—Sr1—O1iii	68.69 (6)	O1i—Sr3—C8i	48.65 (6)
O2iii—Sr1—O1iii	48.07 (5)	O6iii—Sr3—C8i	81.07 (6)
O2—Sr1—O1iii	131.93 (5)	O3—Sr3—C8i	111.74 (6)
O6iii—Sr1—O1iii	118.11 (6)	O4i—Sr3—C8i	19.62 (6)
O6—Sr1—O1iii	61.89 (6)	O5i—Sr3—C8i	119.24 (6)
O1—Sr1—O1iii	180.0	O7vi—Sr3—C8i	77.15 (6)
O3i—Sr1—O5iii	120.83 (6)	O1—Sr3—C8i	66.95 (6)
O3ii—Sr1—O5iii	59.17 (6)	O8vi—Sr3—C8i	78.75 (6)
O2iii—Sr1—O5iii	68.95 (6)	C16vi—Sr3—C8i	73.62 (6)
O2—Sr1—O5iii	111.05 (6)	O9vi—Sr3—Sr1vii	125.58 (5)
O6iii—Sr1—O5iii	46.67 (5)	O1i—Sr3—Sr1vii	41.76 (4)
O6—Sr1—O5iii	133.33 (5)	O6iii—Sr3—Sr1vii	144.06 (4)
O1—Sr1—O5iii	108.47 (5)	O3—Sr3—Sr1vii	38.86 (4)
O1iii—Sr1—O5iii	71.53 (5)	O4i—Sr3—Sr1vii	109.12 (4)
O3i—Sr1—O5	59.17 (6)	O5i—Sr3—Sr1vii	44.41 (4)
O3ii—Sr1—O5	120.83 (6)	O7vi—Sr3—Sr1vii	84.43 (4)
O2iii—Sr1—O5	111.05 (6)	O1—Sr3—Sr1vii	82.91 (4)
O2—Sr1—O5	68.95 (6)	O8vi—Sr3—Sr1vii	130.22 (4)
O6iii—Sr1—O5	133.33 (5)	C16vi—Sr3—Sr1vii	106.72 (5)
O6—Sr1—O5	46.67 (5)	C8i—Sr3—Sr1vii	90.35 (4)
O1—Sr1—O5	71.53 (5)	C1—O1—Sr3i	119.45 (16)
O1iii—Sr1—O5	108.47 (5)	C1—O1—Sr1	89.98 (14)
O5iii—Sr1—O5	180.0	Sr3i—O1—Sr1	99.39 (6)
O3i—Sr1—O4i	46.64 (5)	C1—O1—Sr3	129.32 (16)
O3ii—Sr1—O4i	133.36 (5)	Sr3i—O1—Sr3	108.81 (6)
O2iii—Sr1—O4i	59.32 (5)	Sr1—O1—Sr3	96.94 (5)
O2—Sr1—O4i	120.68 (5)	C1—O2—Sr2	126.39 (17)
O6iii—Sr1—O4i	65.35 (6)	C1—O2—Sr1	95.62 (17)
O6—Sr1—O4i	114.65 (6)	Sr2—O2—Sr1	98.51 (6)
O1—Sr1—O4i	73.41 (5)	C8—O3—Sr3	121.66 (16)
O1iii—Sr1—O4i	106.59 (5)	C8—O3—Sr1vii	100.71 (17)
O5iii—Sr1—O4i	75.06 (5)	Sr3—O3—Sr1vii	102.43 (7)
O5—Sr1—O4i	104.94 (5)	C8—O4—Sr2vii	135.86 (16)
O3i—Sr1—O4ii	133.36 (5)	C8—O4—Sr3i	114.66 (15)
O3ii—Sr1—O4ii	46.64 (5)	Sr2vii—O4—Sr3i	109.39 (6)
O2iii—Sr1—O4ii	120.68 (5)	C8—O4—Sr1vii	87.01 (16)
O2—Sr1—O4ii	59.32 (5)	Sr2vii—O4—Sr1vii	90.77 (5)
O6iii—Sr1—O4ii	114.65 (6)	Sr3i—O4—Sr1vii	96.68 (6)
O6—Sr1—O4ii	65.35 (6)	C9—O5—Sr2	112.02 (16)
O1—Sr1—O4ii	106.59 (5)	C9—O5—Sr3i	132.22 (17)
O1iii—Sr1—O4ii	73.41 (5)	Sr2—O5—Sr3i	115.44 (7)
O5iii—Sr1—O4ii	104.94 (5)	C9—O5—Sr1	86.87 (15)
O5—Sr1—O4ii	75.06 (5)	Sr2—O5—Sr1	94.66 (6)
O4i—Sr1—O4ii	180.00 (5)	Sr3i—O5—Sr1	94.48 (5)
O5—Sr2—O10	153.40 (7)	C9—O6—Sr3iii	138.19 (17)
O5—Sr2—O2	75.35 (6)	C9—O6—Sr1	97.19 (16)
O10—Sr2—O2	88.68 (7)	Sr3iii—O6—Sr1	104.80 (7)
O5—Sr2—O9	125.53 (6)	C16—O7—Sr2iv	143.91 (17)
O10—Sr2—O9	50.80 (7)	C16—O7—Sr3viii	99.92 (17)
O2—Sr2—O9	128.29 (6)	Sr2iv—O7—Sr3viii	111.61 (7)
O5—Sr2—O7iv	66.86 (6)	C16—O8—Sr2v	118.00 (16)
O10—Sr2—O7iv	88.28 (7)	C16—O8—Sr2	121.54 (15)
O2—Sr2—O7iv	72.55 (6)	Sr2v—O8—Sr2	115.75 (6)
O9—Sr2—O7iv	75.32 (6)	C16—O8—Sr3viii	89.57 (15)
O5—Sr2—O8v	101.16 (6)	Sr2v—O8—Sr3viii	102.86 (6)
O10—Sr2—O8v	105.39 (7)	Sr2—O8—Sr3viii	99.56 (6)
O2—Sr2—O8v	129.55 (6)	C17—O9—Sr3viii	153.6 (2)
O9—Sr2—O8v	95.28 (6)	C17—O9—Sr2	91.1 (2)
O7iv—Sr2—O8v	153.14 (6)	Sr3viii—O9—Sr2	114.79 (8)
O5—Sr2—O8	68.06 (6)	C17—O10—Sr2	94.3 (2)
O10—Sr2—O8	123.11 (7)	O2—C1—O1	122.6 (3)
O2—Sr2—O8	143.15 (6)	O2—C1—C2	118.3 (3)
O9—Sr2—O8	73.66 (6)	O1—C1—C2	119.0 (2)
O7iv—Sr2—O8	88.90 (6)	O2—C1—Sr1	60.21 (14)
O8v—Sr2—O8	64.25 (6)	O1—C1—Sr1	65.40 (14)
O5—Sr2—O4ii	85.44 (6)	C2—C1—Sr1	162.29 (18)
O10—Sr2—O4ii	106.46 (7)	C3—C2—C7	119.5 (3)
O2—Sr2—O4ii	63.25 (6)	C3—C2—C1	119.7 (2)
O9—Sr2—O4ii	147.58 (6)	C7—C2—C1	120.6 (3)
O7iv—Sr2—O4ii	132.53 (6)	C2—C3—C4	120.5 (3)
O8v—Sr2—O4ii	66.31 (6)	C2—C3—H3A	119.7
O8—Sr2—O4ii	116.43 (6)	C4—C3—H3A	119.7
O5—Sr2—C17	144.39 (8)	C5—C4—C3	119.8 (3)
O10—Sr2—C17	25.29 (8)	C5—C4—H4A	120.1
O2—Sr2—C17	108.87 (8)	C3—C4—H4A	120.1
O9—Sr2—C17	25.52 (8)	C4—C5—C6	120.3 (3)
O7iv—Sr2—C17	80.49 (8)	C4—C5—H5A	119.9
O8v—Sr2—C17	101.96 (8)	C6—C5—H5A	119.9
O8—Sr2—C17	98.66 (8)	C7—C6—C5	120.2 (3)
O4ii—Sr2—C17	128.81 (8)	C7—C6—H6A	119.9
O5—Sr2—C9	21.42 (6)	C5—C6—H6A	119.9
O10—Sr2—C9	174.73 (7)	C6—C7—C2	119.7 (3)
O2—Sr2—C9	87.44 (6)	C6—C7—C8	119.3 (2)
O9—Sr2—C9	130.15 (7)	C2—C7—C8	121.0 (3)
O7iv—Sr2—C9	87.16 (6)	O3—C8—O4	123.9 (3)
O8v—Sr2—C9	79.84 (6)	O3—C8—C7	117.3 (2)
O8—Sr2—C9	59.46 (6)	O4—C8—C7	118.8 (2)
O4ii—Sr2—C9	74.88 (6)	O3—C8—Sr1vii	56.14 (14)
C17—Sr2—C9	155.22 (9)	O4—C8—Sr1vii	69.17 (15)
O5—Sr2—Sr1	46.07 (4)	C7—C8—Sr1vii	164.05 (18)
O10—Sr2—Sr1	127.95 (6)	O3—C8—Sr3i	108.26 (18)
O2—Sr2—Sr1	41.23 (4)	O4—C8—Sr3i	45.72 (12)
O9—Sr2—Sr1	163.24 (5)	C7—C8—Sr3i	115.95 (16)
O7iv—Sr2—Sr1	88.05 (4)	Sr1vii—C8—Sr3i	79.71 (6)
O8v—Sr2—Sr1	100.66 (4)	O6—C9—O5	122.1 (3)
O8—Sr2—Sr1	108.71 (4)	O6—C9—C10	119.3 (2)
O4ii—Sr2—Sr1	47.09 (4)	O5—C9—C10	118.6 (2)
C17—Sr2—Sr1	150.09 (7)	O6—C9—Sr1	59.12 (13)
C9—Sr2—Sr1	49.25 (5)	O5—C9—Sr1	68.79 (14)
O5—Sr2—Sr3viii	99.78 (4)	C10—C9—Sr1	153.70 (18)
O10—Sr2—Sr3viii	82.14 (6)	O6—C9—Sr2	97.14 (17)
O2—Sr2—Sr3viii	147.27 (4)	O5—C9—Sr2	46.56 (13)
O9—Sr2—Sr3viii	31.50 (5)	C10—C9—Sr2	126.17 (17)
O7iv—Sr2—Sr3viii	75.82 (4)	Sr1—C9—Sr2	78.21 (6)
O8v—Sr2—Sr3viii	83.16 (4)	C11—C10—C15	119.4 (3)
O8—Sr2—Sr3viii	42.44 (4)	C11—C10—C9	118.8 (3)
O4ii—Sr2—Sr3viii	149.44 (4)	C15—C10—C9	121.7 (2)
C17—Sr2—Sr3viii	56.95 (7)	C12—C11—C10	121.0 (3)
C9—Sr2—Sr3viii	99.28 (5)	C12—C11—H11A	119.5
Sr1—Sr2—Sr3viii	145.840 (8)	C10—C11—H11A	119.5
O9vi—Sr3—O1i	164.51 (6)	C13—C12—C11	119.4 (3)
O9vi—Sr3—O6iii	73.93 (6)	C13—C12—H12A	120.3
O1i—Sr3—O6iii	121.54 (6)	C11—C12—H12A	120.3
O9vi—Sr3—O3	103.04 (7)	C12—C13—C14	120.3 (3)
O1i—Sr3—O3	71.31 (6)	C12—C13—H13A	119.9
O6iii—Sr3—O3	113.33 (6)	C14—C13—H13A	119.9
O9vi—Sr3—O4i	123.48 (6)	C13—C14—C15	120.9 (3)
O1i—Sr3—O4i	67.42 (6)	C13—C14—H14A	119.6
O6iii—Sr3—O4i	69.37 (6)	C15—C14—H14A	119.6
O3—Sr3—O4i	130.36 (6)	C14—C15—C10	119.0 (3)
O9vi—Sr3—O5i	87.78 (6)	C14—C15—C16	118.4 (2)
O1i—Sr3—O5i	76.83 (6)	C10—C15—C16	122.4 (2)
O6iii—Sr3—O5i	159.68 (6)	O7—C16—O8	122.4 (3)
O3—Sr3—O5i	61.60 (6)	O7—C16—C15	120.0 (2)
O4i—Sr3—O5i	129.85 (6)	O8—C16—C15	117.5 (2)
O9vi—Sr3—O7vi	96.29 (6)	O7—C16—Sr3viii	57.43 (14)
O1i—Sr3—O7vi	75.32 (6)	O8—C16—Sr3viii	66.83 (14)
O6iii—Sr3—O7vi	126.54 (6)	C15—C16—Sr3viii	161.68 (17)
O3—Sr3—O7vi	120.04 (6)	O10—C17—O9	123.8 (3)
O4i—Sr3—O7vi	74.30 (6)	O10—C17—Sr2	60.42 (19)
O5i—Sr3—O7vi	63.16 (6)	O9—C17—Sr2	63.39 (18)
O9vi—Sr3—O1	120.34 (6)	O10—C17—H17A	118.1
O1i—Sr3—O1	71.19 (6)	O9—C17—H17A	118.1
O6iii—Sr3—O1	61.57 (5)	Sr2—C17—H17A	177.4