Abstract
In the crystal structure of the title compound, C13H11N3O8S2, molecules are linked by intermolecular C—H⋯O hydrogen bonds into zigzag chains running parallel to the c axis. Centrosymmetrically related chains are further stabilized by aromatic π–π stacking interactions [centroid–centroid distance = 3.749 (3) Å] involving adjacent 4-nitrobenzene rings. Intramolecular C—H⋯O hydrogen bonds are also present.
Related literature
For the crystal structures of related compounds, see: Henschel et al. (1996 ▶); Curtis & Pavkovic (1983 ▶). For details of the biological activities of sulfonamide compounds, see: Kamoshita et al. (1987 ▶). For details of the application of sulfonimade catalysts, see: Zhang et al. (2007 ▶). For bond-length data, see: Allen et al. (1987 ▶).
Experimental
Crystal data
C13H11N3O8S2
M r = 401.37
Monoclinic,
a = 13.517 (3) Å
b = 9.994 (2) Å
c = 11.990 (2) Å
β = 95.26 (3)°
V = 1613.0 (6) Å3
Z = 4
Mo Kα radiation
μ = 0.38 mm−1
T = 153 (2) K
0.58 × 0.47 × 0.29 mm
Data collection
Rigaku R-AXIS RAPID IP area-detector diffractometer
Absorption correction: multi-scan (ABSCOR; Higashi 1995 ▶) T min = 0.750, T max = 0.897
15376 measured reflections
3683 independent reflections
3540 reflections with I > 2σ(I)
R int = 0.017
Refinement
R[F 2 > 2σ(F 2)] = 0.030
wR(F 2) = 0.094
S = 1.13
3683 reflections
236 parameters
H-atom parameters constrained
Δρmax = 0.49 e Å−3
Δρmin = −0.41 e Å−3
Data collection: RAPID-AUTO (Rigaku, 2004 ▶); cell refinement: RAPID-AUTO; data reduction: RAPID-AUTO; program(s) used to solve structure: SHELXTL (Sheldrick, 2008 ▶); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supplementary Material
Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536808027499/rz2239sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536808027499/rz2239Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report
Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C8—H8B⋯O7 | 0.95 | 2.53 | 2.902 (2) | 104 |
| C4—H4A⋯O5 | 0.95 | 2.38 | 2.803 (2) | 106 |
| C13—H13A⋯O7 | 0.98 | 2.54 | 2.978 (2) | 107 |
| C13—H13C⋯O1 | 0.98 | 2.34 | 2.972 (2) | 122 |
| C1—H1A⋯O6i | 0.95 | 2.51 | 3.369 (2) | 150 |
Symmetry code: (i)
.
supplementary crystallographic information
Comment
Molecules containing the sulfonimide group have been recently of interest for their applications as herbicides (Kamoshita et al., 1987) and catalysts (Zhang et al., 2007). In the present paper, the crystal structure of a new compound containing two sulfonimide groups is reported.
In the molecule of the title compound (Fig. 1) all bond lengths are normal (Allen et al., 1987) and in a good agreement with those reported previously for similar compounds (Henschel et al., 1996; Curtis & Pavkovic, 1983). The molecular conformation is stabilized by intramolecular C—H···O hydrogen bonds (Table 1). In the crystal structure, molecules are linked by intermolecular C—H···O hydrogen bonding interactions (Fig. 2) forming zigzag chains running parallel to the c axis. Centrosymmetrically related chains are further stabilized by aromatic π-π stacking interactions occurring between adjacent the 4-nitrobenzene rings with a centroid-centroid distance of 3.749 (3) Å.
Experimental
A solution of 4-nitro-benzene-1-sulfonyl chloride (10 mmol, 2.21 g) in anhydrous CH2Cl2 (10 mL) was dropwise added over a period of 10 min to a solution of 2-nitro-N-methyl-benzenesulfonamide (10 mmol, 2.16 g) and EtN(i-Pr)2 (3 mmol) in CH2Cl2 (10 mL) at 273K. The mixture was stirred at room temperature for 4 h. The organic phase was washed with 2N HCl twice and dried over anhydrous Na2SO4. The solvent was removed and the residue was purified by flash chromatography (2:1 cyclohexane/dichloromethane) to give the title compound as a white solid (2.81 mg, 70% yield). Single crystals suitable for X-ray measurements were obtained by slow evaporation of an ethanol/dichloromethane solution (1:1 v/v) at room temperature.
Refinement
H atoms were positioned geometrically and refined using a riding model, with C—H = 0.95 or 0.98 Å and with Uiso(H) = 1.2 (1.5 for methyl groups) times Ueq(C).
Figures
Fig. 1.
The molecular structure of the title compound, with the atom-labelling scheme. Displacement ellipsoids are drawn at the 40% probability level.
Fig. 2.
Packing diagram of the title compound viewed down the b axis, showing the chains of molecules formed by intermolecular hydrogen bonds (dashed lines).
Crystal data
| C13H11N3O8S2 | F(000) = 824 |
| Mr = 401.37 | Dx = 1.653 Mg m−3 |
| Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
| Hall symbol: -P 2ybc | Cell parameters from 10014 reflections |
| a = 13.517 (3) Å | θ = 6.2–55.0° |
| b = 9.994 (2) Å | µ = 0.38 mm−1 |
| c = 11.990 (2) Å | T = 153 K |
| β = 95.26 (3)° | Block, colourless |
| V = 1613.0 (6) Å3 | 0.58 × 0.47 × 0.29 mm |
| Z = 4 |
Data collection
| Rigaku R-AXIS RAPID IP area-detector diffractometer | 3683 independent reflections |
| Radiation source: Rotating Anode | 3540 reflections with I > 2σ(I) |
| graphite | Rint = 0.017 |
| ω oscillation scans | θmax = 27.5°, θmin = 3.0° |
| Absorption correction: multi-scan (ABSCOR; Higashi 1995) | h = −17→17 |
| Tmin = 0.750, Tmax = 0.897 | k = −12→12 |
| 15376 measured reflections | l = −15→13 |
Refinement
| Refinement on F2 | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| R[F2 > 2σ(F2)] = 0.030 | H-atom parameters constrained |
| wR(F2) = 0.094 | w = 1/[σ2(Fo2) + (0.0558P)2 + 0.7411P] where P = (Fo2 + 2Fc2)/3 |
| S = 1.13 | (Δ/σ)max < 0.001 |
| 3683 reflections | Δρmax = 0.49 e Å−3 |
| 236 parameters | Δρmin = −0.41 e Å−3 |
| 0 restraints | Extinction correction: SHELXTL (Sheldrick, 2001), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
| Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0231 (18) |
Special details
| Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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)
| x | y | z | Uiso*/Ueq | ||
| S1 | 0.15312 (2) | 0.15728 (3) | 0.41897 (3) | 0.01644 (11) | |
| S2 | 0.35222 (2) | 0.06267 (3) | 0.48921 (3) | 0.01728 (11) | |
| O8 | 0.20741 (8) | 0.19778 (11) | 0.32804 (8) | 0.0220 (2) | |
| O7 | 0.06390 (8) | 0.08053 (11) | 0.39952 (9) | 0.0241 (2) | |
| O3 | 0.13493 (10) | 0.70583 (13) | 0.72576 (12) | 0.0399 (3) | |
| O6 | 0.39404 (8) | −0.02832 (12) | 0.57283 (9) | 0.0261 (2) | |
| O5 | 0.38943 (8) | 0.19667 (11) | 0.48792 (9) | 0.0255 (2) | |
| O4 | −0.01529 (9) | 0.63329 (11) | 0.73325 (9) | 0.0271 (2) | |
| N3 | 0.23085 (9) | 0.06608 (12) | 0.50391 (10) | 0.0187 (2) | |
| C7 | 0.12748 (10) | 0.29709 (13) | 0.50127 (11) | 0.0161 (3) | |
| O2 | 0.34613 (11) | −0.36035 (12) | 0.39097 (13) | 0.0401 (3) | |
| C8 | 0.04276 (10) | 0.29488 (13) | 0.55885 (11) | 0.0173 (3) | |
| H8B | −0.0011 | 0.2205 | 0.5523 | 0.021* | |
| N1 | 0.31903 (10) | −0.24388 (12) | 0.39825 (11) | 0.0241 (3) | |
| C6 | 0.36282 (10) | −0.14363 (14) | 0.32761 (12) | 0.0199 (3) | |
| C11 | 0.17430 (11) | 0.51236 (14) | 0.57559 (13) | 0.0215 (3) | |
| H11A | 0.2180 | 0.5870 | 0.5826 | 0.026* | |
| C12 | 0.19373 (10) | 0.40442 (15) | 0.50825 (12) | 0.0209 (3) | |
| H12A | 0.2509 | 0.4036 | 0.4677 | 0.025* | |
| C4 | 0.40219 (10) | 0.08068 (15) | 0.27685 (13) | 0.0218 (3) | |
| H4A | 0.4043 | 0.1739 | 0.2922 | 0.026* | |
| C10 | 0.08951 (10) | 0.50856 (13) | 0.63249 (11) | 0.0177 (3) | |
| C5 | 0.36741 (10) | −0.00693 (14) | 0.35469 (11) | 0.0174 (3) | |
| O1 | 0.25661 (11) | −0.20743 (12) | 0.45856 (12) | 0.0375 (3) | |
| C9 | 0.02324 (10) | 0.40325 (14) | 0.62611 (11) | 0.0181 (3) | |
| H9A | −0.0340 | 0.4048 | 0.6665 | 0.022* | |
| C3 | 0.43385 (11) | 0.03367 (18) | 0.17699 (13) | 0.0269 (3) | |
| H3A | 0.4561 | 0.0949 | 0.1241 | 0.032* | |
| N2 | 0.06833 (10) | 0.62403 (12) | 0.70259 (10) | 0.0227 (3) | |
| C2 | 0.43303 (12) | −0.10224 (18) | 0.15451 (13) | 0.0286 (3) | |
| H2A | 0.4578 | −0.1345 | 0.0879 | 0.034* | |
| C13 | 0.19287 (12) | 0.00944 (17) | 0.60575 (13) | 0.0268 (3) | |
| H13A | 0.1205 | 0.0196 | 0.6011 | 0.040* | |
| H13B | 0.2229 | 0.0569 | 0.6719 | 0.040* | |
| H13C | 0.2100 | −0.0857 | 0.6117 | 0.040* | |
| C1 | 0.39611 (11) | −0.19141 (16) | 0.22913 (13) | 0.0258 (3) | |
| H1A | 0.3937 | −0.2844 | 0.2129 | 0.031* |
Atomic displacement parameters (Å2)
| U11 | U22 | U33 | U12 | U13 | U23 | |
| S1 | 0.01570 (18) | 0.01769 (18) | 0.01585 (18) | 0.00236 (11) | 0.00106 (12) | −0.00261 (11) |
| S2 | 0.01591 (17) | 0.01766 (18) | 0.01801 (18) | 0.00156 (11) | 0.00017 (12) | −0.00121 (11) |
| O8 | 0.0226 (5) | 0.0266 (5) | 0.0172 (5) | 0.0065 (4) | 0.0044 (4) | 0.0012 (4) |
| O7 | 0.0198 (5) | 0.0260 (5) | 0.0260 (5) | −0.0025 (4) | 0.0002 (4) | −0.0080 (4) |
| O3 | 0.0363 (7) | 0.0304 (6) | 0.0522 (8) | −0.0013 (5) | −0.0003 (6) | −0.0206 (6) |
| O6 | 0.0242 (5) | 0.0314 (6) | 0.0221 (5) | 0.0076 (4) | −0.0012 (4) | 0.0041 (4) |
| O5 | 0.0255 (5) | 0.0213 (5) | 0.0295 (6) | −0.0048 (4) | 0.0017 (4) | −0.0063 (4) |
| O4 | 0.0322 (6) | 0.0265 (5) | 0.0234 (5) | 0.0113 (4) | 0.0059 (4) | −0.0020 (4) |
| N3 | 0.0179 (5) | 0.0196 (6) | 0.0193 (6) | 0.0046 (4) | 0.0050 (4) | 0.0025 (4) |
| C7 | 0.0167 (6) | 0.0158 (6) | 0.0156 (6) | 0.0036 (5) | 0.0007 (5) | −0.0003 (5) |
| O2 | 0.0495 (8) | 0.0169 (5) | 0.0556 (8) | 0.0060 (5) | 0.0141 (6) | 0.0020 (5) |
| C8 | 0.0185 (6) | 0.0170 (6) | 0.0167 (6) | 0.0008 (5) | 0.0020 (5) | 0.0019 (5) |
| N1 | 0.0279 (6) | 0.0172 (6) | 0.0270 (6) | −0.0001 (5) | 0.0015 (5) | −0.0007 (5) |
| C6 | 0.0175 (6) | 0.0200 (7) | 0.0220 (7) | 0.0020 (5) | 0.0012 (5) | −0.0002 (5) |
| C11 | 0.0195 (6) | 0.0173 (6) | 0.0276 (7) | −0.0006 (5) | 0.0010 (5) | −0.0013 (5) |
| C12 | 0.0167 (6) | 0.0207 (7) | 0.0260 (7) | 0.0005 (5) | 0.0054 (5) | −0.0011 (5) |
| C4 | 0.0162 (6) | 0.0240 (7) | 0.0253 (7) | −0.0002 (5) | 0.0032 (5) | 0.0026 (5) |
| C10 | 0.0215 (6) | 0.0158 (6) | 0.0154 (6) | 0.0060 (5) | −0.0017 (5) | −0.0004 (5) |
| C5 | 0.0135 (6) | 0.0193 (6) | 0.0193 (6) | 0.0021 (5) | 0.0018 (5) | −0.0010 (5) |
| O1 | 0.0488 (7) | 0.0227 (6) | 0.0449 (7) | −0.0002 (5) | 0.0257 (6) | 0.0008 (5) |
| C9 | 0.0200 (6) | 0.0196 (6) | 0.0152 (6) | 0.0038 (5) | 0.0034 (5) | 0.0025 (5) |
| C3 | 0.0198 (7) | 0.0379 (8) | 0.0233 (7) | −0.0007 (6) | 0.0046 (6) | 0.0046 (6) |
| N2 | 0.0296 (6) | 0.0184 (6) | 0.0192 (6) | 0.0071 (5) | −0.0021 (5) | −0.0021 (5) |
| C2 | 0.0227 (7) | 0.0422 (9) | 0.0214 (7) | 0.0056 (6) | 0.0044 (6) | −0.0045 (6) |
| C13 | 0.0280 (7) | 0.0300 (8) | 0.0237 (7) | 0.0051 (6) | 0.0097 (6) | 0.0079 (6) |
| C1 | 0.0237 (7) | 0.0272 (7) | 0.0263 (7) | 0.0051 (6) | 0.0005 (6) | −0.0076 (6) |
Geometric parameters (Å, °)
| S1—O8 | 1.4275 (11) | C6—C5 | 1.4044 (19) |
| S1—O7 | 1.4304 (11) | C11—C12 | 1.387 (2) |
| S1—N3 | 1.6660 (13) | C11—C10 | 1.387 (2) |
| S1—C7 | 1.7633 (14) | C11—H11A | 0.9500 |
| S2—O6 | 1.4310 (11) | C12—H12A | 0.9500 |
| S2—O5 | 1.4312 (11) | C4—C3 | 1.390 (2) |
| S2—N3 | 1.6665 (13) | C4—C5 | 1.393 (2) |
| S2—C5 | 1.7855 (14) | C4—H4A | 0.9500 |
| O3—N2 | 1.2289 (19) | C10—C9 | 1.380 (2) |
| O4—N2 | 1.2236 (18) | C10—N2 | 1.4712 (17) |
| N3—C13 | 1.4799 (18) | C9—H9A | 0.9500 |
| C7—C8 | 1.3905 (19) | C3—C2 | 1.385 (2) |
| C7—C12 | 1.3950 (19) | C3—H3A | 0.9500 |
| O2—N1 | 1.2258 (17) | C2—C1 | 1.388 (2) |
| C8—C9 | 1.3901 (19) | C2—H2A | 0.9500 |
| C8—H8B | 0.9500 | C13—H13A | 0.9800 |
| N1—O1 | 1.2164 (18) | C13—H13B | 0.9800 |
| N1—C6 | 1.4709 (19) | C13—H13C | 0.9800 |
| C6—C1 | 1.387 (2) | C1—H1A | 0.9500 |
| O8—S1—O7 | 120.82 (7) | C7—C12—H12A | 120.7 |
| O8—S1—N3 | 106.41 (6) | C3—C4—C5 | 120.96 (14) |
| O7—S1—N3 | 106.34 (7) | C3—C4—H4A | 119.5 |
| O8—S1—C7 | 110.12 (7) | C5—C4—H4A | 119.5 |
| O7—S1—C7 | 108.07 (7) | C9—C10—C11 | 123.72 (13) |
| N3—S1—C7 | 103.69 (6) | C9—C10—N2 | 118.08 (13) |
| O6—S2—O5 | 119.05 (7) | C11—C10—N2 | 118.20 (13) |
| O6—S2—N3 | 105.57 (7) | C4—C5—C6 | 117.85 (13) |
| O5—S2—N3 | 109.41 (6) | C4—C5—S2 | 115.74 (11) |
| O6—S2—C5 | 108.34 (7) | C6—C5—S2 | 125.56 (11) |
| O5—S2—C5 | 106.57 (7) | C10—C9—C8 | 118.02 (13) |
| N3—S2—C5 | 107.42 (7) | C10—C9—H9A | 121.0 |
| C13—N3—S1 | 117.82 (10) | C8—C9—H9A | 121.0 |
| C13—N3—S2 | 119.92 (10) | C2—C3—C4 | 120.11 (15) |
| S1—N3—S2 | 121.22 (7) | C2—C3—H3A | 119.9 |
| C8—C7—C12 | 122.40 (12) | C4—C3—H3A | 119.9 |
| C8—C7—S1 | 118.58 (10) | O4—N2—O3 | 124.02 (13) |
| C12—C7—S1 | 119.00 (10) | O4—N2—C10 | 117.68 (12) |
| C9—C8—C7 | 118.98 (13) | O3—N2—C10 | 118.30 (13) |
| C9—C8—H8B | 120.5 | C3—C2—C1 | 120.10 (14) |
| C7—C8—H8B | 120.5 | C3—C2—H2A | 120.0 |
| O1—N1—O2 | 123.70 (14) | C1—C2—H2A | 120.0 |
| O1—N1—C6 | 118.43 (12) | N3—C13—H13A | 109.5 |
| O2—N1—C6 | 117.85 (13) | N3—C13—H13B | 109.5 |
| C1—C6—C5 | 121.40 (14) | H13A—C13—H13B | 109.5 |
| C1—C6—N1 | 115.78 (13) | N3—C13—H13C | 109.5 |
| C5—C6—N1 | 122.76 (13) | H13A—C13—H13C | 109.5 |
| C12—C11—C10 | 118.30 (13) | H13B—C13—H13C | 109.5 |
| C12—C11—H11A | 120.8 | C6—C1—C2 | 119.47 (15) |
| C10—C11—H11A | 120.8 | C6—C1—H1A | 120.3 |
| C11—C12—C7 | 118.57 (13) | C2—C1—H1A | 120.3 |
| C11—C12—H12A | 120.7 | ||
| O8—S1—N3—C13 | −179.35 (11) | C12—C11—C10—C9 | 0.1 (2) |
| O7—S1—N3—C13 | −49.34 (12) | C12—C11—C10—N2 | −179.14 (12) |
| C7—S1—N3—C13 | 64.50 (12) | C3—C4—C5—C6 | −1.7 (2) |
| O8—S1—N3—S2 | 12.32 (10) | C3—C4—C5—S2 | 168.34 (11) |
| O7—S1—N3—S2 | 142.33 (8) | C1—C6—C5—C4 | 3.0 (2) |
| C7—S1—N3—S2 | −103.84 (9) | N1—C6—C5—C4 | −174.28 (13) |
| O6—S2—N3—C13 | 13.90 (13) | C1—C6—C5—S2 | −165.97 (11) |
| O5—S2—N3—C13 | −115.35 (12) | N1—C6—C5—S2 | 16.74 (19) |
| C5—S2—N3—C13 | 129.34 (12) | O6—S2—C5—C4 | −134.24 (11) |
| O6—S2—N3—S1 | −178.01 (8) | O5—S2—C5—C4 | −5.02 (12) |
| O5—S2—N3—S1 | 52.74 (10) | N3—S2—C5—C4 | 112.16 (11) |
| C5—S2—N3—S1 | −62.56 (10) | O6—S2—C5—C6 | 34.94 (14) |
| O8—S1—C7—C8 | 151.35 (11) | O5—S2—C5—C6 | 164.17 (12) |
| O7—S1—C7—C8 | 17.44 (13) | N3—S2—C5—C6 | −78.65 (13) |
| N3—S1—C7—C8 | −95.14 (12) | C11—C10—C9—C8 | 0.0 (2) |
| O8—S1—C7—C12 | −30.00 (13) | N2—C10—C9—C8 | 179.28 (11) |
| O7—S1—C7—C12 | −163.91 (11) | C7—C8—C9—C10 | −0.02 (19) |
| N3—S1—C7—C12 | 83.51 (12) | C5—C4—C3—C2 | −1.3 (2) |
| C12—C7—C8—C9 | −0.2 (2) | C9—C10—N2—O4 | −14.29 (18) |
| S1—C7—C8—C9 | 178.44 (10) | C11—C10—N2—O4 | 164.99 (13) |
| O1—N1—C6—C1 | −152.05 (15) | C9—C10—N2—O3 | 166.50 (14) |
| O2—N1—C6—C1 | 26.4 (2) | C11—C10—N2—O3 | −14.22 (19) |
| O1—N1—C6—C5 | 25.4 (2) | C4—C3—C2—C1 | 3.1 (2) |
| O2—N1—C6—C5 | −156.21 (15) | C5—C6—C1—C2 | −1.3 (2) |
| C10—C11—C12—C7 | −0.3 (2) | N1—C6—C1—C2 | 176.21 (13) |
| C8—C7—C12—C11 | 0.3 (2) | C3—C2—C1—C6 | −1.8 (2) |
| S1—C7—C12—C11 | −178.29 (11) |
Hydrogen-bond geometry (Å, °)
| D—H···A | D—H | H···A | D···A | D—H···A |
| C8—H8B···O7 | 0.95 | 2.53 | 2.902 (2) | 104. |
| C4—H4A···O5 | 0.95 | 2.38 | 2.803 (2) | 106. |
| C13—H13A···O7 | 0.98 | 2.54 | 2.978 (2) | 107. |
| C13—H13C···O1 | 0.98 | 2.34 | 2.972 (2) | 122. |
| C1—H1A···O6i | 0.95 | 2.51 | 3.369 (2) | 150. |
Symmetry codes: (i) x, −y−1/2, z−1/2.
Footnotes
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: RZ2239).
References
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Associated Data
This section collects any data citations, data availability statements, or supplementary materials included in this article.
Supplementary Materials
Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536808027499/rz2239sup1.cif
Structure factors: contains datablocks I. DOI: 10.1107/S1600536808027499/rz2239Isup2.hkl
Additional supplementary materials: crystallographic information; 3D view; checkCIF report


