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metal-organic compounds
In the polymeric title compound, [Ag4(C7H4O6S)2(H2O)2]n, the 3-carboxylato-4-hydroxybenzenesulfonate anion uses its hydroxy (–OH) unit to bind to an Ag atom and its sulfonyl (–SO3) unit to bind to five Ag atoms; it uses its carboxylate (–CO2) group to bridge an Ag—Ag [Ag—Ag = 2.7778 (8) Å] unit. The bonding mode gives rise to a three-dimensional network structure that is consolidated by hydrogen bonds involving the coordinated water molecules. The four Ag atoms in the asymmetric unit all lie on special positions of site symmetry 2.
Supporting information
Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536805000516/bt6577sup1.cif | |
Structure factor file (CIF format) https://doi.org/10.1107/S1600536805000516/bt6577Isup2.hkl |
CCDC reference: 221566
Key indicators
- Single-crystal X-ray study
- T = 295 K
- Mean (C-C) = 0.005 Å
- R factor = 0.026
- wR factor = 0.068
- Data-to-parameter ratio = 12.8
checkCIF/PLATON results
No syntax errors found
Alert level B PLAT029_ALERT_3_B _diffrn_measured_fraction_theta_full Low ....... 0.94 PLAT222_ALERT_3_B Large Non-Solvent H Ueq(max)/Ueq(min) ... 4.23 Ratio PLAT731_ALERT_1_B Bond Calc 0.86(5), Rep 0.850(10) ...... 5.00 su-Rat O1W -H1W2 1.555 1.555 PLAT735_ALERT_1_B D-H Calc 0.86(5), Rep 0.850(10) ...... 5.00 su-Rat O1W -H2# 1.555 1.555 PLAT735_ALERT_1_B D-H Calc 0.86(5), Rep 0.850(10) ...... 5.00 su-Rat O1W -H2# 1.555 1.555
Alert level C REFLT03_ALERT_3_C Reflection count < 95% complete From the CIF: _diffrn_reflns_theta_max 27.50 From the CIF: _diffrn_reflns_theta_full 0.00 From the CIF: _reflns_number_total 2158 TEST2: Reflns within _diffrn_reflns_theta_max Count of symmetry unique reflns 2309 Completeness (_total/calc) 93.46% PLAT022_ALERT_3_C Ratio Unique / Expected Reflections too Low .... 0.94 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 ............ 2.00 Ratio PLAT128_ALERT_4_C Non-standard setting of Space group P2/c .... P2/n PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent ..... ? PLAT241_ALERT_2_C Check High Ueq as Compared to Neighbors for Ag2 PLAT720_ALERT_4_C Number of Unusual/Non-Standard Label(s) ........ 2 PLAT731_ALERT_1_C Bond Calc 0.85(3), Rep 0.850(10) ...... 3.00 su-Rat O6 -H6O 1.555 1.555 PLAT732_ALERT_1_C Angle Calc 110(5), Rep 109.8(18) ...... 2.78 su-Rat H1W1 -O1W -H1W2 1.555 1.555 1.555 PLAT733_ALERT_1_C Torsion Calc -4.5(7), Rep -4.6(3) ...... 2.33 su-Rat O4 -AG4 -O4 -C7 2.754 1.555 1.555 1.555 PLAT735_ALERT_1_C D-H Calc 0.85(3), Rep 0.850(10) ...... 3.00 su-Rat O6 -H6O 1.555 1.555
0 ALERT level A = In general: serious problem 5 ALERT level B = Potentially serious problem 13 ALERT level C = Check and explain 0 ALERT level G = General alerts; check 11 ALERT type 1 CIF construction/syntax error, inconsistent or missing data 1 ALERT type 2 Indicator that the structure model may be wrong or deficient 4 ALERT type 3 Indicator that the structure quality may be low 2 ALERT type 4 Improvement, methodology, query or suggestion
Computing details top
Data collection: RAPID-AUTO (Rigaku, 1998); cell refinement: RAPID-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEPII (Johnson, 1976); software used to prepare material for publication: SHELXL97.
Poly[tetrasilver(I)-di-µ-aqua-bis[µ8-3-carboxylato-4-
hydroxybenzenesulfonato] top
Crystal data top
[Ag4(C7H4O6S)2(H2O)2] | F(000) = 856 |
Mr = 899.94 | Dx = 2.980 Mg m−3 |
Monoclinic, P2/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yac | Cell parameters from 9456 reflections |
a = 7.493 (2) Å | θ = 3.0–27.5° |
b = 16.237 (3) Å | µ = 4.13 mm−1 |
c = 8.253 (2) Å | T = 295 K |
β = 92.91 (3)° | Block, colorless |
V = 1002.8 (3) Å3 | 0.32 × 0.25 × 0.17 mm |
Z = 2 |
Data collection top
Rigaku R-AXIS RAPID diffractometer | 2158 independent reflections |
Radiation source: fine-focus sealed tube | 2015 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.016 |
ω scans | θmax = 27.5°, θmin = 3.0° |
Absorption correction: multi-scan (ABSCOR; Higashi, 1995) | h = −8→9 |
Tmin = 0.294, Tmax = 0.495 | k = −21→21 |
8593 measured reflections | l = −10→10 |
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)] = 0.026 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.068 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.06 | w = 1/[σ2(Fo2) + (0.0367P)2 + 2.4683P] where P = (Fo2 + 2Fc2)/3 |
2158 reflections | (Δ/σ)max = 0.001 |
168 parameters | Δρmax = 0.91 e Å−3 |
4 restraints | Δρmin = −1.25 e Å−3 |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2) top
x | y | z | Uiso*/Ueq | ||
Ag1 | 0.7500 | 0.49393 (2) | 0.7500 | 0.0325 (1) | |
Ag2 | 0.7500 | 0.48836 (3) | 0.2500 | 0.0475 (2) | |
Ag3 | 1.2500 | 0.92255 (2) | −0.2500 | 0.0402 (1) | |
Ag4 | 1.2500 | 0.75147 (2) | −0.2500 | 0.0322 (1) | |
S1 | 0.9283 (1) | 0.63097 (5) | 0.5065 (1) | 0.0203 (2) | |
O1 | 0.7488 (3) | 0.6163 (2) | 0.5588 (4) | 0.0357 (6) | |
O2 | 0.9751 (4) | 0.5767 (1) | 0.3742 (3) | 0.0292 (5) | |
O3 | 1.0610 (4) | 0.6291 (2) | 0.6421 (3) | 0.0317 (6) | |
O4 | 1.1192 (4) | 0.7661 (2) | −0.0274 (3) | 0.0346 (6) | |
O5 | 1.1124 (4) | 0.9033 (2) | −0.0077 (3) | 0.0335 (6) | |
O6 | 0.9917 (4) | 0.9681 (2) | 0.2517 (3) | 0.0370 (7) | |
O1w | 0.6103 (4) | 0.4246 (2) | 0.5116 (3) | 0.0329 (6) | |
C1 | 1.0182 (4) | 0.8221 (2) | 0.2120 (4) | 0.0205 (6) | |
C2 | 0.9976 (4) | 0.7432 (2) | 0.2756 (4) | 0.0213 (6) | |
C3 | 0.9362 (4) | 0.7322 (2) | 0.4285 (4) | 0.0198 (6) | |
C4 | 0.8915 (5) | 0.8001 (2) | 0.5229 (4) | 0.0256 (7) | |
C5 | 0.9107 (5) | 0.8786 (2) | 0.4620 (4) | 0.0279 (7) | |
C6 | 0.9745 (5) | 0.8898 (2) | 0.3073 (4) | 0.0237 (6) | |
C7 | 1.0880 (5) | 0.8311 (2) | 0.0461 (4) | 0.0239 (7) | |
H6o | 1.019 (8) | 0.963 (4) | 0.153 (3) | 0.07 (2)* | |
H1w1 | 0.498 (2) | 0.417 (3) | 0.506 (7) | 0.07 (2)* | |
H1w2 | 0.663 (6) | 0.383 (3) | 0.47 (1) | 0.11 (3)* | |
H2 | 1.0257 | 0.6975 | 0.2138 | 0.026* | |
H4 | 0.8492 | 0.7924 | 0.6258 | 0.031* | |
H5 | 0.8812 | 0.9240 | 0.5239 | 0.034* |
Atomic displacement parameters (Å2) top
U11 | U22 | U33 | U12 | U13 | U23 | |
Ag1 | 0.0399 (2) | 0.0321 (2) | 0.0255 (2) | 0.000 | 0.0022 (2) | 0.000 |
Ag2 | 0.0474 (3) | 0.0303 (2) | 0.0622 (3) | 0.000 | −0.0225 (2) | 0.000 |
Ag3 | 0.0611 (3) | 0.02319 (19) | 0.0393 (2) | 0.000 | 0.0307 (2) | 0.000 |
Ag4 | 0.0518 (3) | 0.02488 (19) | 0.0213 (2) | 0.000 | 0.0149 (2) | 0.000 |
S1 | 0.0226 (4) | 0.0198 (4) | 0.0187 (4) | −0.0036 (3) | 0.0014 (3) | 0.0027 (3) |
O1 | 0.027 (1) | 0.039 (1) | 0.042 (2) | −0.008 (1) | 0.011 (1) | 0.009 (1) |
O2 | 0.041 (1) | 0.021 (1) | 0.027 (1) | −0.002 (1) | 0.004 (1) | −0.002 (1) |
O3 | 0.041 (2) | 0.026 (1) | 0.027 (1) | −0.002 (1) | −0.010 (1) | 0.005 (1) |
O4 | 0.055 (2) | 0.027 (1) | 0.024 (1) | −0.002 (1) | 0.018 (1) | −0.002 (1) |
O5 | 0.050 (2) | 0.024 (1) | 0.029 (1) | 0.003 (1) | 0.018 (1) | 0.008 (1) |
O6 | 0.062 (2) | 0.019 (1) | 0.031 (2) | 0.007 (1) | 0.017 (1) | 0.004 (1) |
O1w | 0.027 (1) | 0.039 (2) | 0.033 (1) | 0.004 (1) | 0.002 (1) | −0.006 (1) |
C1 | 0.024 (2) | 0.021 (1) | 0.016 (1) | 0.002 (1) | 0.003 (1) | 0.002 (1) |
C2 | 0.025 (2) | 0.019 (1) | 0.020 (2) | 0.002 (1) | 0.004 (1) | 0.000 (1) |
C3 | 0.022 (2) | 0.020 (1) | 0.018 (2) | −0.001 (1) | 0.001 (1) | 0.003 (1) |
C4 | 0.028 (2) | 0.031 (2) | 0.019 (2) | 0.001 (1) | 0.009 (1) | 0.001 (1) |
C5 | 0.037 (2) | 0.023 (2) | 0.024 (2) | 0.006 (1) | 0.010 (2) | −0.003 (1) |
C6 | 0.029 (2) | 0.019 (1) | 0.024 (2) | 0.003 (1) | 0.006 (1) | 0.002 (1) |
C7 | 0.025 (2) | 0.028 (2) | 0.020 (2) | 0.001 (1) | 0.005 (1) | 0.001 (1) |
Geometric parameters (Å, º) top
Ag1—O1 | 2.537 (3) | S1—O1 | 1.453 (3) |
Ag1—O1i | 2.537 (3) | S1—O3 | 1.459 (3) |
Ag1—O2ii | 2.612 (3) | S1—O2 | 1.459 (3) |
Ag1—O2iii | 2.612 (3) | S1—C3 | 1.767 (3) |
Ag1—O1w | 2.455 (3) | O4—C7 | 1.246 (4) |
Ag1—O1wi | 2.455 (3) | O5—C7 | 1.270 (4) |
Ag2—O2 | 2.404 (3) | O6—C6 | 1.360 (4) |
Ag2—O2iv | 2.404 (3) | C1—C2 | 1.396 (4) |
Ag2—O3ii | 2.512 (3) | C1—C6 | 1.400 (4) |
Ag2—O3v | 2.512 (3) | C1—C7 | 1.497 (4) |
Ag2—O1w | 2.657 (3) | C2—C3 | 1.377 (4) |
Ag2—O1wiv | 2.657 (3) | C3—C4 | 1.401 (4) |
Ag3—O5 | 2.317 (2) | C4—C5 | 1.380 (5) |
Ag3—O5vi | 2.317 (2) | C5—C6 | 1.397 (5) |
Ag3—O6vii | 2.536 (3) | O6—H6o | 0.85 (1) |
Ag3—O6viii | 2.536 (3) | O1w—H1w1 | 0.85 (1) |
Ag4—O3ix | 2.573 (3) | O1w—H1w2 | 0.85 (1) |
Ag4—O3x | 2.573 (3) | C2—H2 | 0.93 |
Ag4—O4 | 2.139 (3) | C4—H4 | 0.93 |
Ag4—O4vi | 2.139 (3) | C5—H5 | 0.93 |
Ag3—Ag4 | 2.7778 (8) | ||
O1—Ag1—O1i | 76.9 (1) | O1—S1—O2 | 112.6 (2) |
O1—Ag1—O2ii | 94.5 (1) | O3—S1—O2 | 112.4 (2) |
O1—Ag1—O2iii | 127.6 (1) | O1—S1—C3 | 108.0 (2) |
O1—Ag1—O1w | 82.7 (1) | O3—S1—C3 | 105.4 (2) |
O1—Ag1—O1wi | 147.8 (1) | O2—S1—C3 | 106.0 (2) |
O1i—Ag1—O2ii | 127.6 (1) | S1—O1—Ag1 | 109.8 (2) |
O1i—Ag1—O2iii | 94.5 (1) | S1—O2—Ag2 | 119.3 (2) |
O1i—Ag1—O1w | 147.8 (1) | S1—O3—Ag2ii | 129.6 (2) |
O1i—Ag1—O1wi | 82.7 (1) | S1—O3—Ag4xi | 126.2 (2) |
O2ii—Ag1—O2iii | 127.9 (1) | Ag2ii—O3—Ag4xi | 100.0 (1) |
O2ii—Ag1—O1w | 78.3 (1) | Ag1—O1w—Ag2 | 107.6 (1) |
O2ii—Ag1—O1wi | 78.5 (1) | C7—O4—Ag4 | 128.2 (2) |
O2iii—Ag1—O1w | 78.5 (1) | C7—O5—Ag3 | 120.3 (2) |
O2iii—Ag1—O1wi | 78.3 (1) | C6—O6—Ag3vii | 125.2 (2) |
O1w—Ag1—O1wi | 125.4 (1) | C2—C1—C6 | 118.4 (3) |
O2—Ag2—O2iv | 106.7 (1) | C2—C1—C7 | 118.9 (3) |
O2—Ag2—O3ii | 86.1 (1) | C6—C1—C7 | 122.6 (3) |
O2—Ag2—O3v | 167.2 (1) | C3—C2—C1 | 120.8 (3) |
O2—Ag2—O1w | 100.6 (1) | C2—C3—C4 | 120.5 (3) |
O2—Ag2—O1wiv | 106.4 (1) | C2—C3—S1 | 118.3 (2) |
O2iv—Ag2—O3ii | 167.2 (1) | C4—C3—S1 | 121.1 (2) |
O2iv—Ag2—O3v | 86.1 (1) | C5—C4—C3 | 119.5 (3) |
O2iv—Ag2—O1w | 106.4 (1) | C4—C5—C6 | 120.0 (3) |
O2iv—Ag2—O1wiv | 100.6 (1) | O6—C6—C5 | 118.2 (3) |
O3ii—Ag2—O3v | 81.2 (1) | O6—C6—C1 | 121.0 (3) |
O3ii—Ag2—O1w | 69.8 (1) | C5—C6—C1 | 120.7 (3) |
O3ii—Ag2—O1wiv | 75.8 (1) | O4—C7—O5 | 125.3 (3) |
O3v—Ag2—O1w | 75.8 (1) | O4—C7—C1 | 116.4 (3) |
O3v—Ag2—O1wiv | 69.8 (1) | O5—C7—C1 | 118.2 (3) |
O1w—Ag2—O1wiv | 134.1 (1) | C6—O6—H6o | 105 (4) |
O5—Ag3—O5vi | 164.5 (1) | Ag3vii—O6—H6o | 106 (4) |
O5—Ag3—O6vii | 75.5 (1) | Ag1—O1w—H1w1 | 119 (4) |
O5—Ag3—O6viii | 116.0 (1) | Ag2—O1w—H1w1 | 116 (4) |
O5vi—Ag3—O6vii | 116.0 (1) | Ag1—O1w—H1w2 | 118 (5) |
O5vi—Ag3—O6viii | 75.5 (1) | Ag2—O1w—H1w2 | 79 (5) |
O6vii—Ag3—O6viii | 91.1 (1) | H1w1—O1w—H1w2 | 109.8 (18) |
O3ix—Ag4—O3x | 78.9 (1) | C3—C2—H2 | 119.6 |
O3ix—Ag4—O4 | 96.6 (1) | C1—C2—H2 | 119.6 |
O3ix—Ag4—O4vi | 93.3 (1) | C5—C4—H4 | 120.3 |
O3x—Ag4—O4 | 93.3 (1) | C3—C4—H4 | 120.3 |
O3x—Ag4—O4vi | 96.6 (1) | C4—C5—H5 | 120.0 |
O4—Ag4—O4vi | 167.2 (1) | C6—C5—H5 | 120.0 |
O1—S1—O3 | 112.0 (2) | ||
O5vi—Ag3—Ag4—O4 | −179.2 (1) | O6viii—Ag3—O5—C7 | −133.9 (3) |
O5—Ag3—Ag4—O4 | 0.8 (1) | O6vii—Ag3—O5—C7 | 142.0 (3) |
O6viii—Ag3—Ag4—O4 | 119.9 (1) | Ag4—Ag3—O5—C7 | 2.1 (3) |
O6vii—Ag3—Ag4—O4 | −60.1 (1) | O1wi—Ag1—O1w—Ag2 | −128.6 (1) |
O5vi—Ag3—Ag4—O4vi | 0.8 (1) | O1i—Ag1—O1w—Ag2 | 84.9 (2) |
O5—Ag3—Ag4—O4vi | −179.2 (1) | O1—Ag1—O1w—Ag2 | 34.1 (1) |
O6viii—Ag3—Ag4—O4vi | −60.1 (1) | O2iii—Ag1—O1w—Ag2 | 164.9 (1) |
O6vii—Ag3—Ag4—O4vi | 119.9 (1) | O2ii—Ag1—O1w—Ag2 | −62.1 (1) |
O5vi—Ag3—Ag4—O3ix | −86.6 (1) | O2—Ag2—O1w—Ag1 | 5.6 (1) |
O5—Ag3—Ag4—O3ix | 93.4 (1) | O2iv—Ag2—O1w—Ag1 | −105.5 (1) |
O6viii—Ag3—Ag4—O3ix | −147.5 (1) | O3v—Ag2—O1w—Ag1 | 173.1 (1) |
O6vii—Ag3—Ag4—O3ix | 32.5 (1) | O3ii—Ag2—O1w—Ag1 | 87.4 (1) |
O5vi—Ag3—Ag4—O3x | 93.4 (1) | O1wiv—Ag2—O1w—Ag1 | 131.1 (1) |
O5—Ag3—Ag4—O3x | −86.6 (1) | C6—C1—C2—C3 | −0.1 (5) |
O6viii—Ag3—Ag4—O3x | 32.5 (1) | C7—C1—C2—C3 | 179.1 (3) |
O6vii—Ag3—Ag4—O3x | −147.5 (1) | C1—C2—C3—C4 | 0.6 (5) |
O3—S1—O1—Ag1 | −46.5 (2) | C1—C2—C3—S1 | −175.7 (3) |
O2—S1—O1—Ag1 | 81.4 (2) | O1—S1—C3—C2 | −127.0 (3) |
C3—S1—O1—Ag1 | −162.0 (1) | O3—S1—C3—C2 | 113.2 (3) |
O1w—Ag1—O1—S1 | −105.2 (2) | O2—S1—C3—C2 | −6.2 (3) |
O1wi—Ag1—O1—S1 | 47.8 (3) | O1—S1—C3—C4 | 56.7 (3) |
O1i—Ag1—O1—S1 | 100.0 (2) | O3—S1—C3—C4 | −63.1 (3) |
O2iii—Ag1—O1—S1 | −174.5 (1) | O2—S1—C3—C4 | 177.6 (3) |
O2ii—Ag1—O1—S1 | −27.6 (2) | C2—C3—C4—C5 | −0.5 (5) |
O1—S1—O2—Ag2 | 6.8 (2) | S1—C3—C4—C5 | 175.6 (3) |
O3—S1—O2—Ag2 | 134.4 (2) | C3—C4—C5—C6 | 0.0 (5) |
C3—S1—O2—Ag2 | −111.0 (2) | Ag3vii—O6—C6—C5 | −50.9 (4) |
O2iv—Ag2—O2—S1 | 63.6 (1) | Ag3vii—O6—C6—C1 | 128.6 (3) |
O3v—Ag2—O2—S1 | −119.1 (4) | C4—C5—C6—O6 | −180.0 (3) |
O3ii—Ag2—O2—S1 | −115.8 (2) | C4—C5—C6—C1 | 0.5 (6) |
O1wiv—Ag2—O2—S1 | 170.3 (2) | C2—C1—C6—O6 | −179.9 (3) |
O1w—Ag2—O2—S1 | −47.3 (2) | C7—C1—C6—O6 | 0.9 (5) |
O1—S1—O3—Ag2ii | 93.7 (2) | C2—C1—C6—C5 | −0.4 (5) |
O2—S1—O3—Ag2ii | −34.2 (2) | C7—C1—C6—C5 | −179.6 (3) |
C3—S1—O3—Ag2ii | −149.2 (2) | Ag4—O4—C7—O5 | 8.0 (6) |
O1—S1—O3—Ag4xi | −114.0 (2) | Ag4—O4—C7—C1 | −171.3 (2) |
O2—S1—O3—Ag4xi | 118.1 (2) | Ag3—O5—C7—O4 | −6.3 (5) |
C3—S1—O3—Ag4xi | 3.1 (2) | Ag3—O5—C7—C1 | 173.0 (2) |
O4vi—Ag4—O4—C7 | −4.6 (3) | C2—C1—C7—O4 | 1.9 (5) |
O3ix—Ag4—O4—C7 | −144.9 (3) | C6—C1—C7—O4 | −178.9 (3) |
O3x—Ag4—O4—C7 | 136.0 (3) | C2—C1—C7—O5 | −177.4 (3) |
Ag3—Ag4—O4—C7 | −4.6 (3) | C6—C1—C7—O5 | 1.8 (5) |
O5vi—Ag3—O5—C7 | 2.1 (3) |
Symmetry codes: (i) −x+3/2, y, −z+3/2; (ii) −x+2, −y+1, −z+1; (iii) x−1/2, −y+1, z+1/2; (iv) −x+3/2, y, −z+1/2; (v) x−1/2, −y+1, z−1/2; (vi) −x+5/2, y, −z−1/2; (vii) −x+2, −y+2, −z; (viii) x+1/2, −y+2, z−1/2; (ix) x, y, z−1; (x) −x+5/2, y, −z+1/2; (xi) x, y, z+1. |
Hydrogen-bond geometry (Å, º) top
D—H···A | D—H | H···A | D···A | D—H···A |
O6—H6o···O5 | 0.85 (1) | 1.81 (3) | 2.589 (4) | 151 (6) |
O1w—H1w1···O1xii | 0.85 (1) | 1.97 (2) | 2.803 (4) | 165 (5) |
O1w—H1w2···O3ii | 0.85 (1) | 2.33 (5) | 2.959 (4) | 131 (5) |
O1w—H1w2···O4iii | 0.85 (1) | 2.44 (5) | 3.114 (4) | 137 (6) |
Symmetry codes: (ii) −x+2, −y+1, −z+1; (iii) x−1/2, −y+1, z+1/2; (xii) −x+1, −y+1, −z+1. |
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