| Literature DB >> 22259543 |
Le-Xing Xu1, Xiao-Guang Bai, Ju-Xian Wang, Yu-Cheng Wang.
Abstract
The mol-ecular structure of the title compound, C(10)H(8)Cl(2)O(3), exists in a cis-enol form, which is stabilized by a strong intra-molecular O-H⋯O hydrogen bond. In the crystal, C-H⋯O inter-actions generate zigzag chains along the c axis which are, in turn, linked by further C-H⋯O inter-actions into sheets parallel to (100).Entities:
Year: 2011 PMID: 22259543 PMCID: PMC3254284 DOI: 10.1107/S1600536811051014
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C10H8Cl2O3 | |
| Monoclinic, | Mo |
| Hall symbol: C -2yc | Cell parameters from 5046 reflections |
| θ = 3.3–27.0° | |
| µ = 0.60 mm−1 | |
| β = 108.18 (3)° | Prism, colorless |
| 0.25 × 0.20 × 0.15 mm | |
| Rigaku SCXmini diffractometer | 2170 reflections with |
| Radiation source: fine-focus sealed tube | |
| graphite | θmax = 27.5°, θmin = 4.1° |
| Detector resolution: 13.6612 pixels mm-1 | |
| CCD_Profile_fitting scans | |
| 5011 measured reflections | |
| 2371 independent reflections |
| Refinement on | Hydrogen site location: inferred from neighbouring sites |
| Least-squares matrix: full | H-atom parameters constrained |
| (Δ/σ)max < 0.001 | |
| Δρmax = 0.17 e Å−3 | |
| 2371 reflections | Δρmin = −0.18 e Å−3 |
| 139 parameters | Extinction correction: |
| 2 restraints | Extinction coefficient: 0.0193 (14) |
| Primary atom site location: structure-invariant direct methods | Absolute structure: Flack (1983), 1177 Friedel pairs |
| Secondary atom site location: difference Fourier map | Flack parameter: 0.07 (6) |
| 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 |
| C1 | 0.58573 (13) | 0.7958 (6) | 0.44452 (12) | 0.0381 (5) | |
| C2 | 0.53832 (13) | 0.7161 (6) | 0.36792 (12) | 0.0392 (5) | |
| C3 | 0.57482 (16) | 0.7526 (7) | 0.30884 (13) | 0.0439 (5) | |
| H3 | 0.5423 | 0.6944 | 0.2583 | 0.053* | |
| C4 | 0.65998 (16) | 0.8762 (6) | 0.32574 (14) | 0.0478 (5) | |
| C5 | 0.70941 (16) | 0.9602 (7) | 0.40023 (15) | 0.0520 (6) | |
| H5 | 0.7669 | 1.0447 | 0.4109 | 0.062* | |
| C6 | 0.67267 (16) | 0.9175 (7) | 0.45842 (14) | 0.0495 (6) | |
| H6 | 0.7065 | 0.9709 | 0.5088 | 0.059* | |
| C7 | 0.55234 (15) | 0.7569 (6) | 0.51099 (12) | 0.0424 (5) | |
| C8 | 0.47153 (15) | 0.8564 (6) | 0.51265 (13) | 0.0424 (5) | |
| H8 | 0.4315 | 0.9548 | 0.4689 | 0.051* | |
| C9 | 0.44659 (15) | 0.8113 (7) | 0.58190 (13) | 0.0441 (5) | |
| C10 | 0.3367 (2) | 0.8937 (8) | 0.64204 (16) | 0.0612 (7) | |
| H10A | 0.3348 | 0.6501 | 0.6542 | 0.092* | |
| H10B | 0.2787 | 0.9934 | 0.6319 | 0.092* | |
| H10C | 0.3776 | 1.0126 | 0.6849 | 0.092* | |
| Cl1 | 0.43104 (3) | 0.55059 (16) | 0.34217 (3) | 0.05160 (19) | |
| Cl2 | 0.70467 (4) | 0.9249 (2) | 0.25046 (4) | 0.0757 (3) | |
| O1 | 0.61264 (12) | 0.6173 (6) | 0.57216 (10) | 0.0629 (5) | |
| H1 | 0.5931 | 0.6120 | 0.6088 | 0.094* | |
| O2 | 0.49301 (12) | 0.6776 (6) | 0.64092 (9) | 0.0620 (5) | |
| O3 | 0.36513 (11) | 0.9310 (5) | 0.57450 (9) | 0.0521 (4) |
| C1 | 0.0333 (10) | 0.0443 (11) | 0.0353 (10) | −0.0018 (9) | 0.0086 (8) | −0.0022 (8) |
| C2 | 0.0305 (9) | 0.0449 (12) | 0.0401 (11) | −0.0029 (8) | 0.0081 (8) | −0.0011 (9) |
| C3 | 0.0384 (10) | 0.0573 (13) | 0.0350 (12) | −0.0029 (10) | 0.0103 (10) | −0.0052 (10) |
| C4 | 0.0450 (12) | 0.0598 (15) | 0.0441 (12) | 0.0013 (11) | 0.0218 (10) | 0.0021 (11) |
| C5 | 0.0355 (11) | 0.0657 (15) | 0.0541 (14) | −0.0083 (10) | 0.0130 (11) | −0.0040 (12) |
| C6 | 0.0368 (12) | 0.0687 (15) | 0.0386 (12) | −0.0056 (11) | 0.0056 (10) | −0.0073 (10) |
| C7 | 0.0412 (11) | 0.0494 (12) | 0.0329 (11) | −0.0003 (9) | 0.0062 (9) | −0.0009 (9) |
| C8 | 0.0390 (11) | 0.0525 (13) | 0.0349 (11) | 0.0029 (9) | 0.0104 (9) | 0.0063 (10) |
| C9 | 0.0423 (12) | 0.0534 (13) | 0.0366 (11) | 0.0007 (10) | 0.0124 (10) | 0.0003 (10) |
| C10 | 0.0577 (15) | 0.083 (2) | 0.0505 (15) | 0.0069 (14) | 0.0281 (13) | 0.0036 (13) |
| Cl1 | 0.0372 (3) | 0.0734 (4) | 0.0422 (3) | −0.0139 (3) | 0.0093 (2) | −0.0054 (3) |
| Cl2 | 0.0592 (4) | 0.1199 (7) | 0.0596 (4) | −0.0099 (5) | 0.0351 (4) | 0.0000 (5) |
| O1 | 0.0466 (9) | 0.1045 (15) | 0.0347 (9) | 0.0182 (10) | 0.0085 (7) | 0.0137 (9) |
| O2 | 0.0507 (10) | 0.0981 (14) | 0.0363 (9) | 0.0163 (10) | 0.0124 (8) | 0.0170 (9) |
| O3 | 0.0434 (8) | 0.0738 (12) | 0.0412 (9) | 0.0096 (8) | 0.0164 (7) | 0.0078 (8) |
| C1—C2 | 1.396 (3) | C7—O1 | 1.333 (3) |
| C1—C6 | 1.404 (3) | C7—C8 | 1.349 (3) |
| C1—C7 | 1.472 (3) | C8—C9 | 1.445 (3) |
| C2—C3 | 1.379 (3) | C8—H8 | 0.9300 |
| C2—Cl1 | 1.740 (2) | C9—O2 | 1.210 (3) |
| C3—C4 | 1.375 (3) | C9—O3 | 1.340 (3) |
| C3—H3 | 0.9300 | C10—O3 | 1.443 (3) |
| C4—C5 | 1.376 (4) | C10—H10A | 0.9600 |
| C4—Cl2 | 1.739 (2) | C10—H10B | 0.9600 |
| C5—C6 | 1.370 (3) | C10—H10C | 0.9600 |
| C5—H5 | 0.9300 | O1—H1 | 0.8200 |
| C6—H6 | 0.9300 | ||
| C2—C1—C6 | 116.5 (2) | O1—C7—C8 | 122.4 (2) |
| C2—C1—C7 | 125.31 (18) | O1—C7—C1 | 112.18 (19) |
| C6—C1—C7 | 118.17 (19) | C8—C7—C1 | 125.4 (2) |
| C3—C2—C1 | 121.98 (19) | C7—C8—C9 | 120.5 (2) |
| C3—C2—Cl1 | 116.21 (16) | C7—C8—H8 | 119.7 |
| C1—C2—Cl1 | 121.77 (16) | C9—C8—H8 | 119.7 |
| C4—C3—C2 | 119.0 (2) | O2—C9—O3 | 122.4 (2) |
| C4—C3—H3 | 120.5 | O2—C9—C8 | 124.6 (2) |
| C2—C3—H3 | 120.5 | O3—C9—C8 | 113.00 (19) |
| C3—C4—C5 | 121.3 (2) | O3—C10—H10A | 109.5 |
| C3—C4—Cl2 | 118.42 (19) | O3—C10—H10B | 109.5 |
| C5—C4—Cl2 | 120.24 (19) | H10A—C10—H10B | 109.5 |
| C6—C5—C4 | 119.0 (2) | O3—C10—H10C | 109.5 |
| C6—C5—H5 | 120.5 | H10A—C10—H10C | 109.5 |
| C4—C5—H5 | 120.5 | H10B—C10—H10C | 109.5 |
| C5—C6—C1 | 122.2 (2) | C7—O1—H1 | 109.5 |
| C5—C6—H6 | 118.9 | C9—O3—C10 | 115.47 (19) |
| C1—C6—H6 | 118.9 | ||
| C6—C1—C2—C3 | 0.4 (4) | C7—C1—C6—C5 | 179.7 (2) |
| C7—C1—C2—C3 | −178.6 (2) | C2—C1—C7—O1 | 136.9 (2) |
| C6—C1—C2—Cl1 | 178.08 (18) | C6—C1—C7—O1 | −42.0 (3) |
| C7—C1—C2—Cl1 | −0.9 (3) | C2—C1—C7—C8 | −44.8 (3) |
| C1—C2—C3—C4 | −1.0 (4) | C6—C1—C7—C8 | 136.3 (3) |
| Cl1—C2—C3—C4 | −178.9 (2) | O1—C7—C8—C9 | −0.6 (4) |
| C2—C3—C4—C5 | 0.7 (4) | C1—C7—C8—C9 | −178.8 (2) |
| C2—C3—C4—Cl2 | −179.34 (19) | C7—C8—C9—O2 | −2.1 (4) |
| C3—C4—C5—C6 | 0.3 (4) | C7—C8—C9—O3 | 178.5 (2) |
| Cl2—C4—C5—C6 | −179.7 (2) | O2—C9—O3—C10 | 0.7 (4) |
| C4—C5—C6—C1 | −1.0 (4) | C8—C9—O3—C10 | −179.9 (2) |
| C2—C1—C6—C5 | 0.7 (4) |
| H··· | ||||
| O1—H1···O2 | 0.82 | 1.87 | 2.592 (3) | 146. |
| C3—H3···O2i | 0.93 | 2.48 | 3.356 (3) | 157. |
| C10—H10B···O1ii | 0.96 | 2.57 | 3.492 (3) | 162. |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| O1—H1⋯O2 | 0.82 | 1.87 | 2.592 (3) | 146 |
| C3—H3⋯O2i | 0.93 | 2.48 | 3.356 (3) | 157 |
| C10—H10 | 0.96 | 2.57 | 3.492 (3) | 162 |
Symmetry codes: (i) ; (ii) .