| Literature DB >> 25995903 |
Rika Obata1, Shigeru Ohba1, Yasuaki Einaga2, Shigeru Nishiyama2.
Abstract
The whole mol-ecule of the title compound, C22H28Br2O2, is generated by twofold rotation symmetry. The dihedral angle of the biphenyl moiety is 85.05 (11)°. The hy-droxy groups show intra-molecular O-H⋯π inter-actions without any other hydrogen-bond acceptors. In the crystal, there are no other significant inter-molecular inter-actions present.Entities:
Keywords: O—H⋯π interactions; axial chirality; biphenyl; crystal structure
Year: 2015 PMID: 25995903 PMCID: PMC4420096 DOI: 10.1107/S2056989015006313
Source DB: PubMed Journal: Acta Crystallogr E Crystallogr Commun
| C22H28Br2O2 | |
| Mo | |
| Orthorhombic, | Cell parameters from 4121 reflections |
| θ = 2.9–23.6° | |
| µ = 3.72 mm−1 | |
| Prism, colourless | |
| 0.16 × 0.15 × 0.10 mm | |
| Bruker D8 VENTURE diffractometer | 1615 reflections with |
| Radiation source: fine-focus sealed tube | |
| ω scans | θmax = 25.3°, θmin = 2.9° |
| Absorption correction: multi-scan ( | |
| 9406 measured reflections | |
| 1966 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 = 0.48 e Å−3 | |
| 1966 reflections | Δρmin = −0.21 e Å−3 |
| 123 parameters | Absolute structure: Flack |
| 1 restraint | Absolute structure parameter: 0.034 (9) |
| Primary atom site location: structure-invariant direct methods |
| 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. |
| Br1 | 1.18668 (8) | 0.81211 (2) | 0.48288 (15) | 0.0681 (2) | |
| O2 | 0.7528 (4) | 0.98204 (13) | 0.9897 (9) | 0.0576 (8) | |
| H2 | 0.7777 | 1.0166 | 0.9607 | 0.086* | |
| C3 | 0.9856 (6) | 0.96676 (17) | 0.7429 (7) | 0.0352 (10) | |
| C4 | 1.0903 (6) | 0.9290 (2) | 0.6223 (7) | 0.0388 (11) | |
| C5 | 1.0536 (6) | 0.8689 (2) | 0.6397 (7) | 0.0399 (11) | |
| C6 | 0.9212 (6) | 0.84644 (19) | 0.7649 (7) | 0.0394 (11) | |
| H6 | 0.9023 | 0.8054 | 0.7685 | 0.047* | |
| C7 | 0.8150 (6) | 0.88292 (19) | 0.8859 (7) | 0.0360 (10) | |
| C8 | 0.8518 (6) | 0.94415 (19) | 0.8707 (7) | 0.0370 (11) | |
| C9 | 1.2322 (7) | 0.9538 (2) | 0.4852 (15) | 0.0650 (14) | |
| H9A | 1.1993 | 0.9460 | 0.3473 | 0.098* | |
| H9B | 1.3467 | 0.9353 | 0.5143 | 0.098* | |
| H9C | 1.2417 | 0.9960 | 0.5058 | 0.098* | |
| C10 | 0.6668 (5) | 0.8582 (2) | 1.0234 (8) | 0.0428 (15) | |
| C11 | 0.6564 (7) | 0.7905 (2) | 1.0111 (14) | 0.074 (2) | |
| H11A | 0.6243 | 0.7789 | 0.8761 | 0.111* | |
| H11B | 0.5661 | 0.7762 | 1.1039 | 0.111* | |
| H11C | 0.7722 | 0.7737 | 1.0456 | 0.111* | |
| C12 | 0.7053 (8) | 0.8746 (3) | 1.2449 (9) | 0.0756 (18) | |
| H12A | 0.8260 | 0.8623 | 1.2802 | 0.113* | |
| H12B | 0.6195 | 0.8548 | 1.3311 | 0.113* | |
| H12C | 0.6944 | 0.9170 | 1.2619 | 0.113* | |
| C13 | 0.4827 (6) | 0.8829 (2) | 0.9625 (15) | 0.0760 (17) | |
| H13A | 0.4791 | 0.9249 | 0.9894 | 0.114* | |
| H13B | 0.3893 | 0.8632 | 1.0387 | 0.114* | |
| H13C | 0.4634 | 0.8760 | 0.8208 | 0.114* |
| Br1 | 0.0866 (4) | 0.0458 (3) | 0.0718 (4) | 0.0118 (2) | 0.0311 (4) | −0.0118 (4) |
| O2 | 0.0646 (19) | 0.0366 (16) | 0.072 (2) | 0.0049 (14) | 0.018 (3) | −0.009 (3) |
| C3 | 0.040 (3) | 0.030 (2) | 0.036 (3) | 0.0016 (19) | −0.004 (2) | 0.001 (2) |
| C4 | 0.048 (3) | 0.033 (3) | 0.035 (3) | 0.003 (2) | 0.002 (2) | 0.000 (2) |
| C5 | 0.048 (3) | 0.035 (3) | 0.037 (3) | 0.009 (2) | 0.003 (2) | −0.003 (2) |
| C6 | 0.046 (3) | 0.028 (2) | 0.045 (3) | 0.002 (2) | −0.002 (2) | −0.002 (2) |
| C7 | 0.036 (3) | 0.034 (2) | 0.038 (2) | 0.008 (2) | −0.005 (2) | −0.002 (2) |
| C8 | 0.042 (3) | 0.031 (3) | 0.038 (2) | 0.006 (2) | 0.000 (2) | −0.005 (2) |
| C9 | 0.084 (3) | 0.048 (3) | 0.063 (3) | 0.003 (2) | 0.033 (5) | −0.003 (5) |
| C10 | 0.035 (3) | 0.045 (3) | 0.048 (4) | −0.0010 (19) | 0.008 (3) | 0.003 (2) |
| C11 | 0.070 (3) | 0.048 (3) | 0.104 (6) | −0.013 (2) | 0.036 (5) | 0.008 (4) |
| C12 | 0.078 (4) | 0.099 (5) | 0.049 (4) | −0.021 (4) | 0.010 (3) | 0.002 (3) |
| C13 | 0.039 (3) | 0.086 (4) | 0.103 (5) | 0.005 (2) | 0.012 (4) | 0.020 (5) |
| Br1—C5 | 1.913 (4) | C9—H9B | 0.9600 |
| O2—C8 | 1.369 (6) | C9—H9C | 0.9600 |
| O2—H2 | 0.8200 | C10—C13 | 1.520 (7) |
| C3—C8 | 1.394 (6) | C10—C11 | 1.521 (7) |
| C3—C4 | 1.396 (6) | C10—C12 | 1.537 (8) |
| C3—C3i | 1.506 (8) | C11—H11A | 0.9600 |
| C4—C5 | 1.379 (6) | C11—H11B | 0.9600 |
| C4—C9 | 1.491 (8) | C11—H11C | 0.9600 |
| C5—C6 | 1.375 (6) | C12—H12A | 0.9600 |
| C6—C7 | 1.386 (6) | C12—H12B | 0.9600 |
| C6—H6 | 0.9300 | C12—H12C | 0.9600 |
| C7—C8 | 1.403 (6) | C13—H13A | 0.9600 |
| C7—C10 | 1.526 (6) | C13—H13B | 0.9600 |
| C9—H9A | 0.9600 | C13—H13C | 0.9600 |
| C8—O2—H2 | 109.5 | C13—C10—C11 | 107.7 (4) |
| C8—C3—C4 | 121.1 (4) | C13—C10—C7 | 110.4 (5) |
| C8—C3—C3i | 117.3 (4) | C11—C10—C7 | 111.5 (4) |
| C4—C3—C3i | 121.6 (4) | C13—C10—C12 | 109.3 (5) |
| C5—C4—C3 | 115.9 (4) | C11—C10—C12 | 107.4 (5) |
| C5—C4—C9 | 123.5 (4) | C7—C10—C12 | 110.5 (4) |
| C3—C4—C9 | 120.5 (4) | C10—C11—H11A | 109.5 |
| C6—C5—C4 | 123.2 (4) | C10—C11—H11B | 109.5 |
| C6—C5—Br1 | 116.5 (3) | H11A—C11—H11B | 109.5 |
| C4—C5—Br1 | 120.3 (3) | C10—C11—H11C | 109.5 |
| C5—C6—C7 | 122.2 (4) | H11A—C11—H11C | 109.5 |
| C5—C6—H6 | 118.9 | H11B—C11—H11C | 109.5 |
| C7—C6—H6 | 118.9 | C10—C12—H12A | 109.5 |
| C6—C7—C8 | 115.3 (4) | C10—C12—H12B | 109.5 |
| C6—C7—C10 | 122.2 (4) | H12A—C12—H12B | 109.5 |
| C8—C7—C10 | 122.5 (4) | C10—C12—H12C | 109.5 |
| O2—C8—C3 | 120.0 (4) | H12A—C12—H12C | 109.5 |
| O2—C8—C7 | 117.6 (4) | H12B—C12—H12C | 109.5 |
| C3—C8—C7 | 122.4 (4) | C10—C13—H13A | 109.5 |
| C4—C9—H9A | 109.5 | C10—C13—H13B | 109.5 |
| C4—C9—H9B | 109.5 | H13A—C13—H13B | 109.5 |
| H9A—C9—H9B | 109.5 | C10—C13—H13C | 109.5 |
| C4—C9—H9C | 109.5 | H13A—C13—H13C | 109.5 |
| H9A—C9—H9C | 109.5 | H13B—C13—H13C | 109.5 |
| H9B—C9—H9C | 109.5 | ||
| C8—C3—C4—C5 | −0.5 (6) | C3i—C3—C8—O2 | 0.0 (6) |
| C3i—C3—C4—C5 | 178.5 (4) | C4—C3—C8—C7 | 0.1 (7) |
| C8—C3—C4—C9 | 179.6 (5) | C3i—C3—C8—C7 | −179.0 (4) |
| C3i—C3—C4—C9 | −1.4 (7) | C6—C7—C8—O2 | −178.9 (4) |
| C3—C4—C5—C6 | 0.9 (7) | C10—C7—C8—O2 | 1.9 (6) |
| C9—C4—C5—C6 | −179.3 (6) | C6—C7—C8—C3 | 0.1 (6) |
| C3—C4—C5—Br1 | 179.9 (3) | C10—C7—C8—C3 | −179.1 (4) |
| C9—C4—C5—Br1 | −0.2 (7) | C6—C7—C10—C13 | −118.6 (5) |
| C4—C5—C6—C7 | −0.8 (7) | C8—C7—C10—C13 | 60.5 (6) |
| Br1—C5—C6—C7 | −179.8 (3) | C6—C7—C10—C11 | 1.0 (6) |
| C5—C6—C7—C8 | 0.3 (7) | C8—C7—C10—C11 | −179.8 (5) |
| C5—C6—C7—C10 | 179.4 (4) | C6—C7—C10—C12 | 120.4 (5) |
| C4—C3—C8—O2 | 179.0 (4) | C8—C7—C10—C12 | −60.5 (6) |
| H··· | ||||
| O2—H2··· | 0.82 | 2.54 | 3.047 (5) | 122 |
Hydrogen-bond geometry (, )
Cg is the centroid of benzene ring C3C8.
|
|
| H |
|
|
|---|---|---|---|---|
| O2H2 | 0.82 | 2.54 | 3.047(5) | 122 |
Symmetry code: (i) .