| Literature DB >> 22719544 |
Abstract
In the title mol-ecule, C(16)H(17)BrN(2)O, the benzene rings, bridged by a diazene fragment, form a dihedral angle of 6.3 (2)°. The crystal packing exhibits relatively short Br⋯Br contacts of 3.6989 (14) Å.Entities:
Year: 2012 PMID: 22719544 PMCID: PMC3379346 DOI: 10.1107/S1600536812021538
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C16H17BrN2O | |
| Monoclinic, | Mo |
| Hall symbol: -P 2ybc | Cell parameters from 6956 reflections |
| θ = 3.4–27.5° | |
| µ = 2.81 mm−1 | |
| β = 102.85 (2)° | Block, yellow |
| 0.24 × 0.23 × 0.22 mm | |
| Rigaku R-AXIS RAPID diffractometer | 3337 independent reflections |
| Radiation source: fine-focus sealed tube | 1860 reflections with |
| Graphite monochromator | |
| ω scans | θmax = 27.5°, θmin = 3.2° |
| Absorption correction: multi-scan ( | |
| 13590 measured reflections |
| Refinement on | Primary atom site location: structure-invariant direct methods |
| Least-squares matrix: full | Secondary atom site location: difference Fourier map |
| Hydrogen site location: inferred from neighbouring sites | |
| H-atom parameters constrained | |
| 3337 reflections | (Δ/σ)max = 0.012 |
| 182 parameters | Δρmax = 0.40 e Å−3 |
| 0 restraints | Δρmin = −0.59 e Å−3 |
| Experimental. (See detailed section in the paper) |
| 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 |
| Br1 | 0.03507 (2) | 1.74980 (10) | 0.35896 (4) | 0.0780 (3) | |
| C1 | 0.07293 (17) | 1.5076 (9) | 0.4814 (4) | 0.0666 (12) | |
| H1A | 0.0493 | 1.3736 | 0.5031 | 0.080* | |
| H1B | 0.0990 | 1.4048 | 0.4527 | 0.080* | |
| C2 | 0.09770 (19) | 1.6700 (8) | 0.5834 (4) | 0.0638 (12) | |
| H2A | 0.0716 | 1.7772 | 0.6102 | 0.077* | |
| H2B | 0.1219 | 1.8008 | 0.5617 | 0.077* | |
| C3 | 0.12642 (16) | 1.4854 (7) | 0.6820 (3) | 0.0555 (10) | |
| H3A | 0.1414 | 1.5984 | 0.7493 | 0.067* | |
| H3B | 0.1029 | 1.3514 | 0.7042 | 0.067* | |
| C4 | 0.19783 (14) | 1.1643 (7) | 0.7148 (3) | 0.0438 (8) | |
| C5 | 0.23339 (14) | 1.0199 (7) | 0.6659 (3) | 0.0461 (9) | |
| H5 | 0.2351 | 1.0542 | 0.5893 | 0.055* | |
| C6 | 0.26574 (16) | 0.8279 (7) | 0.7304 (3) | 0.0475 (9) | |
| H6 | 0.2897 | 0.7334 | 0.6977 | 0.057* | |
| C7 | 0.26299 (16) | 0.7723 (6) | 0.8464 (4) | 0.0436 (9) | |
| C8 | 0.22842 (15) | 0.9224 (7) | 0.8937 (3) | 0.0486 (9) | |
| H8 | 0.2272 | 0.8924 | 0.9708 | 0.058* | |
| C9 | 0.19546 (15) | 1.1169 (7) | 0.8291 (3) | 0.0475 (9) | |
| H9 | 0.1720 | 1.2144 | 0.8621 | 0.057* | |
| C10 | 0.35721 (16) | 0.2505 (6) | 0.9470 (3) | 0.0426 (8) | |
| C11 | 0.39446 (15) | 0.1260 (8) | 0.8990 (3) | 0.0498 (9) | |
| H11 | 0.3969 | 0.1742 | 0.8241 | 0.060* | |
| C12 | 0.42806 (15) | −0.0681 (7) | 0.9600 (3) | 0.0490 (9) | |
| H12 | 0.4531 | −0.1474 | 0.9260 | 0.059* | |
| C13 | 0.42526 (14) | −0.1473 (7) | 1.0710 (3) | 0.0395 (8) | |
| C14 | 0.38674 (14) | −0.0307 (7) | 1.1179 (3) | 0.0453 (9) | |
| H14 | 0.3832 | −0.0870 | 1.1911 | 0.054* | |
| C15 | 0.35311 (15) | 0.1696 (7) | 1.0573 (3) | 0.0470 (9) | |
| H15 | 0.3279 | 0.2489 | 1.0909 | 0.056* | |
| C16 | 0.46205 (15) | −0.3593 (9) | 1.1367 (3) | 0.0514 (10) | |
| H16A | 0.4653 | −0.3327 | 1.2186 | 0.077* | |
| H16B | 0.4953 | −0.3373 | 1.1183 | 0.077* | |
| H16C | 0.4491 | −0.5438 | 1.1154 | 0.077* | |
| N1 | 0.29418 (12) | 0.5728 (6) | 0.9213 (3) | 0.0476 (8) | |
| N2 | 0.32604 (13) | 0.4536 (6) | 0.8743 (3) | 0.0474 (8) | |
| O1 | 0.16630 (11) | 1.3435 (5) | 0.6400 (2) | 0.0526 (7) |
| Br1 | 0.0757 (4) | 0.0956 (5) | 0.0551 (3) | −0.0036 (3) | −0.0017 (3) | 0.0109 (2) |
| C1 | 0.059 (3) | 0.072 (3) | 0.064 (3) | 0.003 (2) | 0.005 (2) | 0.000 (2) |
| C2 | 0.064 (3) | 0.057 (2) | 0.062 (3) | 0.011 (2) | −0.003 (2) | −0.004 (2) |
| C3 | 0.056 (3) | 0.052 (2) | 0.056 (2) | 0.0144 (19) | 0.005 (2) | −0.0005 (18) |
| C4 | 0.038 (2) | 0.0410 (17) | 0.048 (2) | −0.0028 (15) | 0.0019 (17) | −0.0006 (16) |
| C5 | 0.046 (2) | 0.052 (2) | 0.0408 (19) | −0.0021 (17) | 0.0106 (17) | 0.0005 (17) |
| C6 | 0.043 (2) | 0.0473 (19) | 0.052 (2) | 0.0040 (16) | 0.0107 (18) | −0.0037 (16) |
| C7 | 0.044 (2) | 0.0375 (17) | 0.046 (2) | −0.0043 (16) | 0.0021 (17) | 0.0009 (15) |
| C8 | 0.055 (2) | 0.047 (2) | 0.045 (2) | −0.0017 (18) | 0.0115 (18) | 0.0027 (16) |
| C9 | 0.045 (2) | 0.0459 (18) | 0.051 (2) | 0.0026 (17) | 0.0104 (18) | 0.0006 (17) |
| C10 | 0.045 (2) | 0.0383 (17) | 0.0410 (19) | 0.0010 (16) | 0.0025 (17) | 0.0022 (15) |
| C11 | 0.055 (3) | 0.055 (2) | 0.039 (2) | 0.0079 (19) | 0.0093 (18) | 0.0049 (17) |
| C12 | 0.053 (2) | 0.050 (2) | 0.046 (2) | 0.0090 (18) | 0.0162 (18) | 0.0032 (17) |
| C13 | 0.044 (2) | 0.0343 (16) | 0.0392 (19) | −0.0036 (15) | 0.0063 (16) | −0.0017 (14) |
| C14 | 0.052 (2) | 0.0468 (19) | 0.0373 (19) | −0.0034 (17) | 0.0109 (17) | −0.0010 (16) |
| C15 | 0.043 (2) | 0.0472 (18) | 0.052 (2) | 0.0009 (16) | 0.0138 (19) | −0.0076 (16) |
| C16 | 0.049 (2) | 0.0476 (19) | 0.055 (2) | 0.0024 (18) | 0.005 (2) | 0.0058 (17) |
| N1 | 0.0466 (19) | 0.0482 (17) | 0.0462 (18) | −0.0038 (15) | 0.0068 (15) | −0.0052 (14) |
| N2 | 0.0490 (19) | 0.0426 (16) | 0.0492 (18) | −0.0005 (14) | 0.0078 (15) | −0.0032 (14) |
| O1 | 0.0480 (17) | 0.0547 (14) | 0.0530 (16) | 0.0102 (13) | 0.0070 (13) | 0.0100 (13) |
| Br1—C1 | 1.948 (4) | C7—N1 | 1.433 (5) |
| Br1—Br1i | 3.6989 (14) | C8—C9 | 1.384 (5) |
| Br1—Br1ii | 3.6989 (14) | C8—H8 | 0.9300 |
| C1—C2 | 1.461 (6) | C9—H9 | 0.9300 |
| C1—H1A | 0.9700 | C10—C11 | 1.379 (5) |
| C1—H1B | 0.9700 | C10—C15 | 1.387 (5) |
| C2—C3 | 1.524 (5) | C10—N2 | 1.432 (4) |
| C2—H2A | 0.9700 | C11—C12 | 1.375 (5) |
| C2—H2B | 0.9700 | C11—H11 | 0.9300 |
| C3—O1 | 1.435 (4) | C12—C13 | 1.382 (5) |
| C3—H3A | 0.9700 | C12—H12 | 0.9300 |
| C3—H3B | 0.9700 | C13—C14 | 1.383 (5) |
| C4—O1 | 1.373 (5) | C13—C16 | 1.499 (5) |
| C4—C9 | 1.384 (5) | C14—C15 | 1.394 (5) |
| C4—C5 | 1.395 (5) | C14—H14 | 0.9300 |
| C5—C6 | 1.367 (5) | C15—H15 | 0.9300 |
| C5—H5 | 0.9300 | C16—H16A | 0.9600 |
| C6—C7 | 1.413 (5) | C16—H16B | 0.9600 |
| C6—H6 | 0.9300 | C16—H16C | 0.9600 |
| C7—C8 | 1.378 (5) | N1—N2 | 1.248 (4) |
| C1—Br1—Br1i | 103.19 (13) | C7—C8—C9 | 121.6 (4) |
| C1—Br1—Br1ii | 176.05 (13) | C7—C8—H8 | 119.2 |
| Br1i—Br1—Br1ii | 80.61 (4) | C9—C8—H8 | 119.2 |
| C2—C1—Br1 | 111.0 (3) | C4—C9—C8 | 119.2 (4) |
| C2—C1—H1A | 109.4 | C4—C9—H9 | 120.4 |
| Br1—C1—H1A | 109.4 | C8—C9—H9 | 120.4 |
| C2—C1—H1B | 109.4 | C11—C10—C15 | 118.6 (3) |
| Br1—C1—H1B | 109.4 | C11—C10—N2 | 114.7 (3) |
| H1A—C1—H1B | 108.0 | C15—C10—N2 | 126.7 (3) |
| C1—C2—C3 | 112.2 (3) | C12—C11—C10 | 121.1 (3) |
| C1—C2—H2A | 109.2 | C12—C11—H11 | 119.5 |
| C3—C2—H2A | 109.2 | C10—C11—H11 | 119.5 |
| C1—C2—H2B | 109.2 | C11—C12—C13 | 121.1 (3) |
| C3—C2—H2B | 109.2 | C11—C12—H12 | 119.4 |
| H2A—C2—H2B | 107.9 | C13—C12—H12 | 119.4 |
| O1—C3—C2 | 107.0 (3) | C14—C13—C12 | 118.0 (3) |
| O1—C3—H3A | 110.3 | C14—C13—C16 | 121.3 (3) |
| C2—C3—H3A | 110.3 | C12—C13—C16 | 120.7 (3) |
| O1—C3—H3B | 110.3 | C13—C14—C15 | 121.2 (3) |
| C2—C3—H3B | 110.3 | C13—C14—H14 | 119.4 |
| H3A—C3—H3B | 108.6 | C15—C14—H14 | 119.4 |
| O1—C4—C9 | 125.2 (3) | C10—C15—C14 | 119.9 (3) |
| O1—C4—C5 | 114.5 (3) | C10—C15—H15 | 120.0 |
| C9—C4—C5 | 120.3 (3) | C14—C15—H15 | 120.0 |
| C6—C5—C4 | 120.1 (3) | C13—C16—H16A | 109.5 |
| C6—C5—H5 | 120.0 | C13—C16—H16B | 109.5 |
| C4—C5—H5 | 120.0 | H16A—C16—H16B | 109.5 |
| C5—C6—C7 | 120.3 (3) | C13—C16—H16C | 109.5 |
| C5—C6—H6 | 119.8 | H16A—C16—H16C | 109.5 |
| C7—C6—H6 | 119.8 | H16B—C16—H16C | 109.5 |
| C8—C7—C6 | 118.5 (3) | N2—N1—C7 | 112.6 (3) |
| C8—C7—N1 | 116.2 (3) | N1—N2—C10 | 113.7 (3) |
| C6—C7—N1 | 125.2 (3) | C4—O1—C3 | 117.6 (3) |