| Literature DB >> 21203225 |
Annika Becker1, Markus Schürmann, Hans Preut, Martin Hiersemann.
Abstract
The title compound, C(11)H(18)O(3), was synthesized to prove the relative configuration of the corresponding acyclic C1-C8 stereopentade. It crystallizes with two mol-ecules in the asymmetric unit, which show only slight differences. The mol-ecules are linked via O-H⋯O hydrogen bonds, resulting in two crystallographically independent chains of mol-ecules propagating in the a-axis direction. The absolute configuration was known from the synthesis.Entities:
Year: 2008 PMID: 21203225 PMCID: PMC2962143 DOI: 10.1107/S1600536808021181
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C11H18O3 | |
| Monoclinic, | Mo |
| Hall symbol: P 2yb | Cell parameters from 9263 reflections |
| θ = 3.0–25.4º | |
| µ = 0.08 mm−1 | |
| β = 95.46 (3)º | Block, colourless |
| 0.30 × 0.28 × 0.20 mm | |
| Nonius KappaCCD diffractometer | 2268 independent reflections |
| Radiation source: fine-focus sealed tube | 1228 reflections with |
| Monochromator: graphite | |
| Detector resolution: 19 vertical, 18 horizontal pixels mm-1 | θmax = 25.4º |
| θmin = 3.0º | |
| 259 frames via ω–rotation (Δω=1%) and two times 120 s per frame (three sets at different κ–angles) scans | |
| Absorption correction: none | |
| 9263 measured reflections |
| Refinement on | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| H-atom parameters constrained | |
| | |
| (Δ/σ)max = 0.001 | |
| 2268 reflections | Δρmax = 0.14 e Å−3 |
| 262 parameters | Δρmin = −0.10 e Å−3 |
| 1 restraint | Extinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
| Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.042 (4) |
| 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 |
| O1 | −0.2547 (2) | 0.96841 (13) | 0.63254 (16) | 0.0723 (6) | |
| O2 | 0.1616 (3) | 0.91394 (14) | 0.55403 (19) | 0.0818 (7) | |
| H2 | 0.2747 | 0.9160 | 0.5245 | 0.123* | |
| O3 | −0.4523 (3) | 0.95694 (15) | 0.46477 (16) | 0.0804 (6) | |
| C1 | 0.0831 (4) | 0.99366 (19) | 0.5670 (2) | 0.0699 (9) | |
| H1 | 0.1979 | 1.0342 | 0.5700 | 0.084* | |
| C2 | −0.0400 (4) | 0.9980 (2) | 0.6745 (2) | 0.0717 (9) | |
| H2A | −0.0512 | 1.0552 | 0.6971 | 0.086* | |
| C3 | −0.2854 (5) | 0.9770 (2) | 0.5177 (3) | 0.0677 (8) | |
| C4 | −0.0916 (4) | 1.0127 (2) | 0.4718 (2) | 0.0713 (9) | |
| H4 | −0.1101 | 1.0720 | 0.4700 | 0.086* | |
| C5 | −0.0562 (5) | 0.9858 (2) | 0.3503 (2) | 0.0963 (11) | |
| H5A | −0.0272 | 0.9284 | 0.3501 | 0.144* | |
| H5B | 0.0629 | 1.0149 | 0.3246 | 0.144* | |
| H5C | −0.1818 | 0.9971 | 0.2992 | 0.144* | |
| C6 | 0.0466 (4) | 0.9499 (2) | 0.7790 (2) | 0.0766 (9) | |
| H6 | 0.0636 | 0.8934 | 0.7541 | 0.092* | |
| C7 | 0.2689 (5) | 0.9825 (2) | 0.8203 (3) | 0.0999 (12) | |
| H7A | 0.3668 | 0.9687 | 0.7647 | 0.150* | |
| H7B | 0.3165 | 0.9585 | 0.8936 | 0.150* | |
| H7C | 0.2628 | 1.0406 | 0.8283 | 0.150* | |
| C8 | −0.1058 (5) | 0.9493 (3) | 0.8754 (3) | 0.0969 (12) | |
| H8 | −0.2441 | 0.9299 | 0.8397 | 0.116* | |
| C9 | −0.1446 (7) | 1.0344 (3) | 0.9243 (3) | 0.1352 (16) | |
| H9A | −0.2459 | 1.0306 | 0.9809 | 0.203* | |
| H9B | −0.1995 | 1.0698 | 0.8626 | 0.203* | |
| H9C | −0.0125 | 1.0560 | 0.9598 | 0.203* | |
| C10 | −0.0295 (7) | 0.8869 (4) | 0.9651 (4) | 0.146 (2) | |
| H10 | 0.0090 | 0.8378 | 0.9327 | 0.175* | |
| C11 | −0.0089 (10) | 0.8863 (6) | 1.0604 (6) | 0.278 (5) | |
| H11A | −0.0428 | 0.9323 | 1.1017 | 0.333* | |
| H11B | 0.0422 | 0.8398 | 1.0995 | 0.333* | |
| O1' | −0.6701 (3) | 0.71545 (13) | 0.46394 (18) | 0.0769 (6) | |
| O2' | −0.2446 (3) | 0.67928 (15) | 0.3828 (2) | 0.0935 (7) | |
| H2' | −0.1359 | 0.6868 | 0.3505 | 0.140* | |
| O3' | −0.8637 (4) | 0.71727 (16) | 0.29367 (18) | 0.0963 (8) | |
| C1' | −0.3349 (5) | 0.7549 (2) | 0.4080 (3) | 0.0777 (9) | |
| H1' | −0.2255 | 0.7974 | 0.4203 | 0.093* | |
| C2' | −0.4615 (4) | 0.7458 (2) | 0.5138 (3) | 0.0727 (9) | |
| H2'1 | −0.4816 | 0.8000 | 0.5465 | 0.087* | |
| C3' | −0.7005 (5) | 0.7353 (2) | 0.3510 (3) | 0.0794 (10) | |
| C4' | −0.5091 (5) | 0.7794 (2) | 0.3145 (3) | 0.0839 (10) | |
| H4' | −0.5347 | 0.8379 | 0.3232 | 0.101* | |
| C5' | −0.4680 (6) | 0.7646 (3) | 0.1898 (3) | 0.1211 (15) | |
| H5'1 | −0.3427 | 0.7940 | 0.1730 | 0.182* | |
| H5'2 | −0.5883 | 0.7831 | 0.1396 | 0.182* | |
| H5'3 | −0.4468 | 0.7074 | 0.1779 | 0.182* | |
| C6' | −0.3719 (4) | 0.6903 (2) | 0.6094 (3) | 0.0726 (9) | |
| H6' | −0.3515 | 0.6367 | 0.5749 | 0.087* | |
| C7' | −0.1534 (5) | 0.7211 (2) | 0.6567 (3) | 0.0986 (12) | |
| H7'1 | −0.0566 | 0.7169 | 0.5978 | 0.148* | |
| H7'2 | −0.1013 | 0.6888 | 0.7224 | 0.148* | |
| H7'3 | −0.1642 | 0.7770 | 0.6797 | 0.148* | |
| C8' | −0.5233 (5) | 0.6788 (2) | 0.7046 (3) | 0.0773 (9) | |
| H8' | −0.6609 | 0.6623 | 0.6647 | 0.093* | |
| C9' | −0.5664 (6) | 0.7563 (3) | 0.7697 (3) | 0.1204 (14) | |
| H9'1 | −0.4354 | 0.7760 | 0.8091 | 0.181* | |
| H9'2 | −0.6664 | 0.7450 | 0.8252 | 0.181* | |
| H9'3 | −0.6248 | 0.7968 | 0.7161 | 0.181* | |
| C10' | −0.4516 (6) | 0.6101 (3) | 0.7795 (4) | 0.1110 (13) | |
| H10' | −0.4328 | 0.5614 | 0.7408 | 0.133* | |
| C11' | −0.4126 (8) | 0.6067 (4) | 0.8851 (4) | 0.183 (3) | |
| H11C | −0.4276 | 0.6530 | 0.9300 | 0.220* | |
| H11D | −0.3679 | 0.5579 | 0.9203 | 0.220* |
| O1 | 0.0470 (10) | 0.0854 (17) | 0.0864 (13) | −0.0022 (11) | 0.0168 (9) | 0.0018 (13) |
| O2 | 0.0649 (13) | 0.0683 (17) | 0.1164 (16) | 0.0050 (11) | 0.0310 (12) | 0.0017 (13) |
| O3 | 0.0569 (12) | 0.0926 (18) | 0.0930 (13) | −0.0018 (13) | 0.0134 (11) | 0.0007 (13) |
| C1 | 0.0543 (17) | 0.052 (2) | 0.106 (2) | −0.0006 (16) | 0.0204 (16) | −0.0009 (18) |
| C2 | 0.0513 (16) | 0.072 (3) | 0.094 (2) | −0.0065 (16) | 0.0167 (15) | −0.0091 (19) |
| C3 | 0.0549 (18) | 0.063 (2) | 0.088 (2) | 0.0086 (17) | 0.0190 (16) | 0.0012 (19) |
| C4 | 0.0609 (18) | 0.065 (2) | 0.090 (2) | 0.0004 (16) | 0.0210 (16) | 0.0089 (17) |
| C5 | 0.083 (2) | 0.112 (3) | 0.099 (2) | −0.003 (2) | 0.0322 (17) | 0.004 (2) |
| C6 | 0.0509 (16) | 0.091 (3) | 0.0888 (19) | −0.0027 (17) | 0.0115 (15) | −0.007 (2) |
| C7 | 0.0603 (18) | 0.125 (4) | 0.115 (2) | −0.008 (2) | 0.0097 (16) | −0.012 (2) |
| C8 | 0.0648 (19) | 0.140 (4) | 0.087 (2) | −0.003 (2) | 0.0156 (18) | −0.007 (3) |
| C9 | 0.111 (3) | 0.173 (5) | 0.128 (3) | 0.024 (3) | 0.047 (3) | −0.021 (3) |
| C10 | 0.106 (3) | 0.249 (7) | 0.086 (3) | 0.007 (4) | 0.027 (3) | 0.030 (4) |
| C11 | 0.147 (5) | 0.476 (16) | 0.222 (7) | 0.051 (7) | 0.075 (6) | 0.165 (9) |
| O1' | 0.0496 (11) | 0.0897 (18) | 0.0938 (14) | −0.0022 (11) | 0.0186 (10) | 0.0066 (12) |
| O2' | 0.0718 (14) | 0.0719 (18) | 0.1435 (19) | 0.0044 (13) | 0.0446 (13) | 0.0045 (15) |
| O3' | 0.0646 (14) | 0.125 (2) | 0.1002 (15) | −0.0110 (15) | 0.0131 (12) | 0.0065 (14) |
| C1' | 0.0634 (19) | 0.056 (2) | 0.117 (2) | −0.0012 (17) | 0.0241 (19) | 0.003 (2) |
| C2' | 0.0534 (18) | 0.060 (2) | 0.106 (2) | −0.0041 (16) | 0.0122 (16) | −0.003 (2) |
| C3' | 0.060 (2) | 0.086 (3) | 0.095 (2) | 0.0041 (19) | 0.0236 (18) | 0.006 (2) |
| C4' | 0.073 (2) | 0.069 (3) | 0.112 (2) | −0.0002 (18) | 0.0255 (19) | 0.011 (2) |
| C5' | 0.103 (3) | 0.153 (4) | 0.114 (3) | −0.008 (3) | 0.045 (2) | 0.016 (3) |
| C6' | 0.0542 (17) | 0.064 (2) | 0.101 (2) | 0.0017 (16) | 0.0160 (16) | −0.005 (2) |
| C7' | 0.0560 (18) | 0.097 (3) | 0.142 (3) | −0.0047 (19) | 0.0043 (18) | −0.004 (2) |
| C8' | 0.0616 (18) | 0.079 (3) | 0.092 (2) | 0.0030 (18) | 0.0084 (16) | 0.002 (2) |
| C9' | 0.107 (3) | 0.128 (4) | 0.128 (3) | 0.021 (3) | 0.019 (2) | −0.026 (3) |
| C10' | 0.078 (2) | 0.149 (4) | 0.108 (3) | 0.001 (3) | 0.020 (2) | 0.015 (3) |
| C11' | 0.134 (4) | 0.252 (7) | 0.161 (4) | 0.028 (4) | −0.001 (4) | 0.069 (5) |
| O1—C3 | 1.336 (3) | O1'—C3' | 1.347 (3) |
| O1—C2 | 1.474 (3) | O1'—C2' | 1.470 (3) |
| O2—C1 | 1.411 (3) | O2'—C1' | 1.408 (4) |
| O2—H2 | 0.8200 | O2'—H2' | 0.8200 |
| O3—C3 | 1.211 (3) | O3'—C3' | 1.206 (3) |
| C1—C4 | 1.515 (4) | C1'—C4' | 1.521 (4) |
| C1—C2 | 1.532 (4) | C1'—C2' | 1.533 (4) |
| C1—H1 | 0.9800 | C1'—H1' | 0.9800 |
| C2—C6 | 1.504 (4) | C2'—C6' | 1.503 (4) |
| C2—H2A | 0.9800 | C2'—H2'1 | 0.9800 |
| C3—C4 | 1.496 (4) | C3'—C4' | 1.500 (5) |
| C4—C5 | 1.515 (4) | C4'—C5' | 1.514 (4) |
| C4—H4 | 0.9800 | C4'—H4' | 0.9800 |
| C5—H5A | 0.9600 | C5'—H5'1 | 0.9600 |
| C5—H5B | 0.9600 | C5'—H5'2 | 0.9600 |
| C5—H5C | 0.9600 | C5'—H5'3 | 0.9600 |
| C6—C7 | 1.531 (4) | C6'—C7' | 1.517 (4) |
| C6—C8 | 1.542 (4) | C6'—C8' | 1.538 (4) |
| C6—H6 | 0.9800 | C6'—H6' | 0.9800 |
| C7—H7A | 0.9600 | C7'—H7'1 | 0.9600 |
| C7—H7B | 0.9600 | C7'—H7'2 | 0.9600 |
| C7—H7C | 0.9600 | C7'—H7'3 | 0.9600 |
| C8—C10 | 1.506 (7) | C8'—C10' | 1.469 (6) |
| C8—C9 | 1.536 (6) | C8'—C9' | 1.516 (5) |
| C8—H8 | 0.9800 | C8'—H8' | 0.9800 |
| C9—H9A | 0.9600 | C9'—H9'1 | 0.9600 |
| C9—H9B | 0.9600 | C9'—H9'2 | 0.9600 |
| C9—H9C | 0.9600 | C9'—H9'3 | 0.9600 |
| C10—C11 | 1.102 (6) | C10'—C11' | 1.228 (5) |
| C10—H10 | 0.9300 | C10'—H10' | 0.9300 |
| C11—H11A | 0.9300 | C11'—H11C | 0.9300 |
| C11—H11B | 0.9300 | C11'—H11D | 0.9300 |
| C3—O1—C2 | 109.6 (2) | C3'—O1'—C2' | 109.9 (2) |
| C1—O2—H2 | 109.5 | C1'—O2'—H2' | 109.5 |
| O2—C1—C4 | 110.5 (3) | O2'—C1'—C4' | 111.2 (3) |
| O2—C1—C2 | 109.8 (2) | O2'—C1'—C2' | 109.3 (3) |
| C4—C1—C2 | 101.3 (2) | C4'—C1'—C2' | 101.7 (2) |
| O2—C1—H1 | 111.6 | O2'—C1'—H1' | 111.4 |
| C4—C1—H1 | 111.6 | C4'—C1'—H1' | 111.4 |
| C2—C1—H1 | 111.6 | C2'—C1'—H1' | 111.4 |
| O1—C2—C6 | 110.1 (2) | O1'—C2'—C6' | 110.1 (2) |
| O1—C2—C1 | 103.6 (2) | O1'—C2'—C1' | 103.3 (2) |
| C6—C2—C1 | 117.4 (2) | C6'—C2'—C1' | 117.6 (2) |
| O1—C2—H2A | 108.5 | O1'—C2'—H2'1 | 108.5 |
| C6—C2—H2A | 108.5 | C6'—C2'—H2'1 | 108.5 |
| C1—C2—H2A | 108.5 | C1'—C2'—H2'1 | 108.5 |
| O3—C3—O1 | 120.9 (2) | O3'—C3'—O1' | 120.8 (3) |
| O3—C3—C4 | 128.5 (3) | O3'—C3'—C4' | 128.8 (3) |
| O1—C3—C4 | 110.6 (3) | O1'—C3'—C4' | 110.4 (3) |
| C3—C4—C5 | 114.5 (3) | C3'—C4'—C5' | 114.1 (3) |
| C3—C4—C1 | 102.7 (2) | C3'—C4'—C1' | 102.4 (3) |
| C5—C4—C1 | 117.3 (2) | C5'—C4'—C1' | 117.5 (3) |
| C3—C4—H4 | 107.3 | C3'—C4'—H4' | 107.4 |
| C5—C4—H4 | 107.3 | C5'—C4'—H4' | 107.4 |
| C1—C4—H4 | 107.3 | C1'—C4'—H4' | 107.4 |
| C4—C5—H5A | 109.5 | C4'—C5'—H5'1 | 109.5 |
| C4—C5—H5B | 109.5 | C4'—C5'—H5'2 | 109.5 |
| H5A—C5—H5B | 109.5 | H5'1—C5'—H5'2 | 109.5 |
| C4—C5—H5C | 109.5 | C4'—C5'—H5'3 | 109.5 |
| H5A—C5—H5C | 109.5 | H5'1—C5'—H5'3 | 109.5 |
| H5B—C5—H5C | 109.5 | H5'2—C5'—H5'3 | 109.5 |
| C2—C6—C7 | 108.6 (3) | C2'—C6'—C7' | 109.2 (3) |
| C2—C6—C8 | 112.7 (3) | C2'—C6'—C8' | 113.0 (2) |
| C7—C6—C8 | 112.9 (2) | C7'—C6'—C8' | 112.5 (3) |
| C2—C6—H6 | 107.5 | C2'—C6'—H6' | 107.3 |
| C7—C6—H6 | 107.5 | C7'—C6'—H6' | 107.3 |
| C8—C6—H6 | 107.5 | C8'—C6'—H6' | 107.3 |
| C6—C7—H7A | 109.5 | C6'—C7'—H7'1 | 109.5 |
| C6—C7—H7B | 109.5 | C6'—C7'—H7'2 | 109.5 |
| H7A—C7—H7B | 109.5 | H7'1—C7'—H7'2 | 109.5 |
| C6—C7—H7C | 109.5 | C6'—C7'—H7'3 | 109.5 |
| H7A—C7—H7C | 109.5 | H7'1—C7'—H7'3 | 109.5 |
| H7B—C7—H7C | 109.5 | H7'2—C7'—H7'3 | 109.5 |
| C10—C8—C9 | 114.5 (3) | C10'—C8'—C9' | 114.0 (3) |
| C10—C8—C6 | 109.1 (3) | C10'—C8'—C6' | 110.1 (3) |
| C9—C8—C6 | 113.1 (3) | C9'—C8'—C6' | 114.1 (3) |
| C10—C8—H8 | 106.5 | C10'—C8'—H8' | 106.0 |
| C9—C8—H8 | 106.5 | C9'—C8'—H8' | 106.0 |
| C6—C8—H8 | 106.5 | C6'—C8'—H8' | 106.0 |
| C8—C9—H9A | 109.5 | C8'—C9'—H9'1 | 109.5 |
| C8—C9—H9B | 109.5 | C8'—C9'—H9'2 | 109.5 |
| H9A—C9—H9B | 109.5 | H9'1—C9'—H9'2 | 109.5 |
| C8—C9—H9C | 109.5 | C8'—C9'—H9'3 | 109.5 |
| H9A—C9—H9C | 109.5 | H9'1—C9'—H9'3 | 109.5 |
| H9B—C9—H9C | 109.5 | H9'2—C9'—H9'3 | 109.5 |
| C11—C10—C8 | 134.4 (8) | C11'—C10'—C8' | 130.3 (5) |
| C11—C10—H10 | 112.8 | C11'—C10'—H10' | 114.9 |
| C8—C10—H10 | 112.8 | C8'—C10'—H10' | 114.9 |
| C10—C11—H11A | 120.0 | C10'—C11'—H11C | 120.0 |
| C10—C11—H11B | 120.0 | C10'—C11'—H11D | 120.0 |
| H11A—C11—H11B | 120.0 | H11C—C11'—H11D | 120.0 |
| C3—O1—C2—C6 | −148.1 (3) | C3'—O1'—C2'—C6' | −149.0 (3) |
| C3—O1—C2—C1 | −21.8 (3) | C3'—O1'—C2'—C1' | −22.6 (3) |
| O2—C1—C2—O1 | −83.7 (3) | O2'—C1'—C2'—O1' | −84.1 (3) |
| C4—C1—C2—O1 | 33.2 (3) | C4'—C1'—C2'—O1' | 33.5 (3) |
| O2—C1—C2—C6 | 37.9 (3) | O2'—C1'—C2'—C6' | 37.4 (4) |
| C4—C1—C2—C6 | 154.7 (3) | C4'—C1'—C2'—C6' | 155.1 (3) |
| C2—O1—C3—O3 | −179.6 (3) | C2'—O1'—C3'—O3' | −178.9 (3) |
| C2—O1—C3—C4 | 0.5 (3) | C2'—O1'—C3'—C4' | 1.6 (3) |
| O3—C3—C4—C5 | −30.6 (5) | O3'—C3'—C4'—C5' | −31.2 (6) |
| O1—C3—C4—C5 | 149.3 (3) | O1'—C3'—C4'—C5' | 148.3 (3) |
| O3—C3—C4—C1 | −158.8 (3) | O3'—C3'—C4'—C1' | −159.3 (4) |
| O1—C3—C4—C1 | 21.1 (3) | O1'—C3'—C4'—C1' | 20.2 (4) |
| O2—C1—C4—C3 | 84.0 (3) | O2'—C1'—C4'—C3' | 84.1 (3) |
| C2—C1—C4—C3 | −32.4 (3) | C2'—C1'—C4'—C3' | −32.2 (3) |
| O2—C1—C4—C5 | −42.5 (4) | O2'—C1'—C4'—C5' | −41.7 (4) |
| C2—C1—C4—C5 | −158.9 (3) | C2'—C1'—C4'—C5' | −158.0 (3) |
| O1—C2—C6—C7 | −179.8 (2) | O1'—C2'—C6'—C7' | 178.0 (2) |
| C1—C2—C6—C7 | 62.1 (4) | C1'—C2'—C6'—C7' | 60.1 (4) |
| O1—C2—C6—C8 | −54.0 (4) | O1'—C2'—C6'—C8' | −56.0 (4) |
| C1—C2—C6—C8 | −172.1 (3) | C1'—C2'—C6'—C8' | −173.9 (3) |
| C2—C6—C8—C10 | 168.6 (3) | C2'—C6'—C8'—C10' | 166.5 (3) |
| C7—C6—C8—C10 | −67.9 (5) | C7'—C6'—C8'—C10' | −69.3 (4) |
| C2—C6—C8—C9 | −62.7 (4) | C2'—C6'—C8'—C9' | −63.8 (4) |
| C7—C6—C8—C9 | 60.8 (4) | C7'—C6'—C8'—C9' | 60.4 (4) |
| C9—C8—C10—C11 | 7.2 (9) | C9'—C8'—C10'—C11' | −3.6 (7) |
| C6—C8—C10—C11 | 135.1 (8) | C6'—C8'—C10'—C11' | 126.1 (5) |
| H··· | ||||
| O2—H2···O3i | 0.82 | 2.03 | 2.821 (3) | 163 |
| O2'—H2'···O3'i | 0.82 | 1.96 | 2.771 (3) | 171 |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| O2—H2⋯O3i | 0.82 | 2.03 | 2.821 (3) | 163 |
| O2′—H2′⋯O3′i | 0.82 | 1.96 | 2.771 (3) | 171 |
Symmetry code: (i) .