| Literature DB >> 23424506 |
Abstract
The title compound, C(5)H(8)Cl(2)O(2), represents a meso isomer crystallizing in a chiral space group with two mol-ecules per asymmetric unit. The mol-ecules form helical associates with a pitch of 6.31 Å along the a axis via O-H⋯O hydrogen bonds. The overall three-dimesional supra-molecular architecture is stabilized by C-Cl⋯O halogen bonding, with a Cl⋯O separation of 3.139 (3) Å and a C-Cl⋯O angle of 162.5 (2)°.Entities:
Year: 2013 PMID: 23424506 PMCID: PMC3569760 DOI: 10.1107/S1600536813000366
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C5H8Cl2O2 | |
| Melting point = 346–347 K | |
| Orthorhombic, | Mo |
| Hall symbol: P 2ac 2ab | Cell parameters from 2370 reflections |
| θ = 1.0–27.5° | |
| µ = 0.79 mm−1 | |
| Chunk, colorless | |
| 0.2 × 0.1 × 0.05 mm | |
| Nonius KappaCCD diffractometer | 2628 independent reflections |
| Radiation source: fine-focus sealed tube | 1969 reflections with |
| Graphite monochromator | |
| Detector resolution: 9 pixels mm-1 | θmax = 25.0°, θmin = 1.3° |
| CCD scans | |
| Absorption correction: multi-scan ( | |
| 6911 measured reflections |
| Refinement on | Hydrogen site location: inferred from neighbouring sites |
| Least-squares matrix: full | H atoms treated by a mixture of independent and constrained refinement |
| (Δ/σ)max < 0.001 | |
| Δρmax = 0.17 e Å−3 | |
| 2627 reflections | Δρmin = −0.17 e Å−3 |
| 181 parameters | Extinction correction: |
| 0 restraints | Extinction coefficient: 0.0080 (12) |
| Primary atom site location: structure-invariant direct methods | Absolute structure: Flack (1983), 1081 Friedel pairs |
| Secondary atom site location: difference Fourier map | Flack parameter: 0.03 (9) |
| 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 |
| Cl2B | 0.87935 (18) | 0.17519 (6) | 0.46132 (7) | 0.0716 (4) | |
| Cl1B | 1.21060 (18) | 0.08413 (7) | 0.55235 (8) | 0.0763 (4) | |
| Cl2A | 1.4218 (2) | 0.27973 (6) | 0.07758 (7) | 0.0795 (4) | |
| Cl1A | 1.08097 (18) | 0.18830 (7) | 0.16287 (8) | 0.0769 (4) | |
| O1B | 1.2516 (5) | −0.04682 (18) | 0.3348 (2) | 0.0665 (8) | |
| O1A | 1.0243 (5) | 0.40988 (19) | 0.28993 (19) | 0.0620 (8) | |
| O2B | 0.7810 (5) | −0.03519 (18) | 0.6574 (2) | 0.0690 (9) | |
| C5B | 0.8709 (7) | −0.0635 (2) | 0.5790 (2) | 0.0600 (11) | |
| H5BA | 0.8091 | −0.1187 | 0.5625 | 0.072* | |
| H5BB | 1.0222 | −0.0718 | 0.5864 | 0.072* | |
| O2A | 1.5018 (5) | 0.08789 (19) | 0.2961 (2) | 0.0699 (9) | |
| C5A | 1.4000 (7) | 0.1672 (2) | 0.3187 (2) | 0.0637 (11) | |
| H5AA | 1.4496 | 0.1865 | 0.3750 | 0.076* | |
| H5AB | 1.2481 | 0.1582 | 0.3223 | 0.076* | |
| C3B | 0.8318 (6) | 0.0018 (2) | 0.5091 (2) | 0.0497 (9) | |
| H3BA | 0.6823 | 0.0172 | 0.5015 | 0.060* | |
| C4A | 1.1354 (6) | 0.3326 (2) | 0.3103 (3) | 0.0583 (11) | |
| H4AA | 1.0382 | 0.2839 | 0.3078 | 0.070* | |
| H4AB | 1.1897 | 0.3365 | 0.3689 | 0.070* | |
| C4B | 1.1321 (7) | −0.0657 (2) | 0.4107 (3) | 0.0626 (11) | |
| H4BA | 1.2261 | −0.0667 | 0.4604 | 0.075* | |
| H4BB | 1.0689 | −0.1227 | 0.4051 | 0.075* | |
| C2B | 0.9584 (6) | 0.0010 (2) | 0.4257 (3) | 0.0529 (10) | |
| H2BB | 0.8767 | 0.0159 | 0.3738 | 0.063* | |
| C3A | 1.4473 (6) | 0.23491 (19) | 0.2521 (3) | 0.0548 (10) | |
| H3AA | 1.5983 | 0.2432 | 0.2399 | 0.066* | |
| C1A | 1.3052 (6) | 0.2518 (2) | 0.1778 (2) | 0.0507 (10) | |
| C2A | 1.3162 (6) | 0.3166 (2) | 0.2490 (2) | 0.0524 (9) | |
| H2AB | 1.3973 | 0.3688 | 0.2344 | 0.063* | |
| C1B | 0.9818 (6) | 0.07341 (19) | 0.4897 (2) | 0.0486 (10) | |
| H4 | 1.095 (6) | 0.448 (2) | 0.302 (2) | 0.047 (13)* | |
| H3 | 0.859 (6) | −0.054 (2) | 0.697 (3) | 0.060 (13)* | |
| H2 | 1.424 (7) | 0.051 (2) | 0.310 (3) | 0.068 (15)* | |
| H1 | 1.181 (6) | −0.063 (2) | 0.292 (3) | 0.066 (14)* |
| Cl2B | 0.0888 (8) | 0.0565 (5) | 0.0694 (7) | 0.0161 (6) | 0.0126 (7) | 0.0145 (5) |
| Cl1B | 0.0631 (7) | 0.0797 (6) | 0.0862 (9) | −0.0072 (6) | −0.0204 (7) | −0.0111 (6) |
| Cl2A | 0.1087 (10) | 0.0682 (6) | 0.0617 (7) | 0.0140 (6) | 0.0250 (8) | 0.0129 (5) |
| Cl1A | 0.0669 (7) | 0.0800 (7) | 0.0837 (8) | −0.0173 (6) | −0.0128 (7) | −0.0142 (6) |
| O1B | 0.068 (2) | 0.0746 (17) | 0.057 (2) | −0.0007 (16) | 0.0102 (19) | −0.0108 (16) |
| O1A | 0.0628 (19) | 0.0592 (18) | 0.064 (2) | 0.0011 (17) | 0.0012 (17) | −0.0048 (14) |
| O2B | 0.085 (2) | 0.0726 (17) | 0.049 (2) | 0.0196 (17) | 0.0000 (19) | 0.0076 (15) |
| C5B | 0.072 (3) | 0.047 (2) | 0.061 (3) | −0.0013 (19) | 0.006 (3) | 0.0043 (19) |
| O2A | 0.078 (2) | 0.0605 (18) | 0.071 (2) | 0.0117 (17) | 0.0192 (19) | 0.0079 (15) |
| C5A | 0.073 (3) | 0.070 (2) | 0.048 (3) | 0.016 (2) | 0.005 (3) | 0.0061 (19) |
| C3B | 0.043 (2) | 0.0554 (19) | 0.051 (2) | 0.0040 (17) | −0.0057 (19) | −0.0036 (18) |
| C4A | 0.069 (3) | 0.058 (2) | 0.048 (3) | 0.005 (2) | 0.003 (2) | 0.0028 (18) |
| C4B | 0.073 (3) | 0.057 (2) | 0.058 (3) | 0.007 (2) | −0.003 (3) | −0.0065 (19) |
| C2B | 0.052 (2) | 0.058 (2) | 0.049 (2) | 0.0065 (18) | −0.001 (2) | −0.0027 (17) |
| C3A | 0.047 (2) | 0.058 (2) | 0.059 (3) | −0.0016 (19) | 0.005 (2) | 0.0018 (19) |
| C1A | 0.054 (2) | 0.053 (2) | 0.045 (2) | −0.0014 (17) | 0.003 (2) | 0.0036 (18) |
| C2A | 0.060 (2) | 0.0474 (18) | 0.050 (2) | −0.0061 (19) | 0.004 (2) | −0.0014 (17) |
| C1B | 0.053 (2) | 0.0450 (19) | 0.048 (2) | −0.0008 (17) | 0.0006 (19) | 0.0030 (16) |
| Cl2B—C1B | 1.754 (3) | C5A—H5AB | 0.9700 |
| Cl1B—C1B | 1.746 (4) | C3B—C1B | 1.486 (5) |
| Cl2A—C1A | 1.767 (4) | C3B—C2B | 1.515 (5) |
| Cl1A—C1A | 1.737 (4) | C3B—H3BA | 0.9800 |
| O1B—C4B | 1.423 (5) | C4A—C2A | 1.502 (5) |
| O1B—H1 | 0.84 (4) | C4A—H4AA | 0.9700 |
| O1A—C4A | 1.419 (4) | C4A—H4AB | 0.9700 |
| O1A—H4 | 0.76 (3) | C4B—C2B | 1.521 (5) |
| O2B—C5B | 1.407 (4) | C4B—H4BA | 0.9700 |
| O2B—H3 | 0.84 (4) | C4B—H4BB | 0.9700 |
| C5B—C3B | 1.497 (5) | C2B—C1B | 1.499 (5) |
| C5B—H5BA | 0.9700 | C2B—H2BB | 0.9800 |
| C5B—H5BB | 0.9700 | C3A—C1A | 1.478 (5) |
| O2A—C5A | 1.425 (4) | C3A—C2A | 1.509 (5) |
| O2A—H2 | 0.78 (4) | C3A—H3AA | 0.9800 |
| C5A—C3A | 1.496 (5) | C1A—C2A | 1.487 (5) |
| C5A—H5AA | 0.9700 | C2A—H2AB | 0.9800 |
| C4B—O1B—H1 | 108 (3) | C2B—C4B—H4BB | 109.3 |
| C4A—O1A—H4 | 108 (3) | H4BA—C4B—H4BB | 108.0 |
| C5B—O2B—H3 | 107 (3) | C1B—C2B—C3B | 59.1 (2) |
| O2B—C5B—C3B | 110.2 (3) | C1B—C2B—C4B | 122.2 (3) |
| O2B—C5B—H5BA | 109.6 | C3B—C2B—C4B | 121.0 (3) |
| C3B—C5B—H5BA | 109.6 | C1B—C2B—H2BB | 114.5 |
| O2B—C5B—H5BB | 109.6 | C3B—C2B—H2BB | 114.5 |
| C3B—C5B—H5BB | 109.6 | C4B—C2B—H2BB | 114.5 |
| H5BA—C5B—H5BB | 108.1 | C1A—C3A—C5A | 122.3 (3) |
| C5A—O2A—H2 | 106 (3) | C1A—C3A—C2A | 59.7 (2) |
| O2A—C5A—C3A | 110.0 (3) | C5A—C3A—C2A | 119.7 (3) |
| O2A—C5A—H5AA | 109.7 | C1A—C3A—H3AA | 114.7 |
| C3A—C5A—H5AA | 109.7 | C5A—C3A—H3AA | 114.7 |
| O2A—C5A—H5AB | 109.7 | C2A—C3A—H3AA | 114.7 |
| C3A—C5A—H5AB | 109.7 | C3A—C1A—C2A | 61.2 (2) |
| H5AA—C5A—H5AB | 108.2 | C3A—C1A—Cl1A | 119.9 (3) |
| C1B—C3B—C5B | 122.8 (3) | C2A—C1A—Cl1A | 121.1 (3) |
| C1B—C3B—C2B | 59.9 (2) | C3A—C1A—Cl2A | 118.0 (3) |
| C5B—C3B—C2B | 121.3 (3) | C2A—C1A—Cl2A | 117.6 (2) |
| C1B—C3B—H3BA | 114.1 | Cl1A—C1A—Cl2A | 111.1 (2) |
| C5B—C3B—H3BA | 114.1 | C1A—C2A—C4A | 122.6 (3) |
| C2B—C3B—H3BA | 114.1 | C1A—C2A—C3A | 59.1 (2) |
| O1A—C4A—C2A | 112.0 (3) | C4A—C2A—C3A | 122.3 (3) |
| O1A—C4A—H4AA | 109.2 | C1A—C2A—H2AB | 114.0 |
| C2A—C4A—H4AA | 109.2 | C4A—C2A—H2AB | 114.0 |
| O1A—C4A—H4AB | 109.2 | C3A—C2A—H2AB | 114.0 |
| C2A—C4A—H4AB | 109.2 | C3B—C1B—C2B | 61.0 (2) |
| H4AA—C4A—H4AB | 107.9 | C3B—C1B—Cl1B | 119.1 (3) |
| O1B—C4B—C2B | 111.6 (3) | C2B—C1B—Cl1B | 121.1 (3) |
| O1B—C4B—H4BA | 109.3 | C3B—C1B—Cl2B | 118.8 (3) |
| C2B—C4B—H4BA | 109.3 | C2B—C1B—Cl2B | 117.8 (3) |
| O1B—C4B—H4BB | 109.3 | Cl1B—C1B—Cl2B | 111.00 (18) |
| O2B—C5B—C3B—C1B | 90.9 (4) | Cl1A—C1A—C2A—C3A | 109.4 (3) |
| O2B—C5B—C3B—C2B | 163.1 (3) | Cl2A—C1A—C2A—C3A | −108.5 (3) |
| C5B—C3B—C2B—C1B | −112.3 (4) | O1A—C4A—C2A—C1A | −103.1 (4) |
| C1B—C3B—C2B—C4B | 111.4 (4) | O1A—C4A—C2A—C3A | −174.7 (3) |
| C5B—C3B—C2B—C4B | −0.9 (5) | C5A—C3A—C2A—C1A | −112.3 (4) |
| O1B—C4B—C2B—C1B | −100.3 (4) | C1A—C3A—C2A—C4A | 111.5 (4) |
| O1B—C4B—C2B—C3B | −171.0 (3) | C5A—C3A—C2A—C4A | −0.8 (6) |
| O2A—C5A—C3A—C1A | 93.8 (4) | C5B—C3B—C1B—C2B | 110.0 (4) |
| O2A—C5A—C3A—C2A | 164.8 (3) | C5B—C3B—C1B—Cl1B | −1.6 (5) |
| C5A—C3A—C1A—C2A | 108.1 (4) | C2B—C3B—C1B—Cl1B | −111.6 (3) |
| C5A—C3A—C1A—Cl1A | −3.2 (5) | C5B—C3B—C1B—Cl2B | −142.3 (3) |
| C2A—C3A—C1A—Cl1A | −111.3 (3) | C2B—C3B—C1B—Cl2B | 107.7 (3) |
| C5A—C3A—C1A—Cl2A | −144.1 (3) | C4B—C2B—C1B—C3B | −109.4 (4) |
| C2A—C3A—C1A—Cl2A | 107.8 (3) | C3B—C2B—C1B—Cl1B | 108.3 (3) |
| C3A—C1A—C2A—C4A | −110.8 (4) | C4B—C2B—C1B—Cl1B | −1.0 (5) |
| Cl1A—C1A—C2A—C4A | −1.4 (5) | C3B—C2B—C1B—Cl2B | −109.3 (3) |
| Cl2A—C1A—C2A—C4A | 140.7 (3) | C4B—C2B—C1B—Cl2B | 141.4 (3) |
| H··· | ||||
| O1 | 0.76 (3) | 1.89 (3) | 2.650 (4) | 174 (4) |
| O2 | 0.84 (4) | 1.84 (4) | 2.668 (4) | 171 (4) |
| O2 | 0.78 (4) | 1.90 (4) | 2.678 (4) | 174 (4) |
| O1 | 0.84 (4) | 1.86 (4) | 2.680 (5) | 167 (4) |
Hydrogen-bond geometry (Å, °)
|
|
| H⋯ |
|
|
|---|---|---|---|---|
| O1 | 0.76 (3) | 1.89 (3) | 2.650 (4) | 174 (4) |
| O2 | 0.84 (4) | 1.84 (4) | 2.668 (4) | 171 (4) |
| O2 | 0.78 (4) | 1.90 (4) | 2.678 (4) | 174 (4) |
| O1 | 0.84 (4) | 1.86 (4) | 2.680 (5) | 167 (4) |
Symmetry codes: (i) ; (ii) ; (iii) .