| Literature DB >> 21582226 |
S Mohana Roopan, Venkatesha R Hathwar, A Sudheer Kumar, N Malathi, F Nawaz Khan.
Abstract
In the title compound, C(12)H(10)N(2)O, the dihedral angle between the phenyl and pyridine rings is 64.81 (1)°. Inter-molecular N-H⋯O hydrogen bonds connect the mol-ecules into chains running along the b axis.Entities:
Year: 2009 PMID: 21582226 PMCID: PMC2968688 DOI: 10.1107/S1600536809004863
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C12H10N2O | |
| Monoclinic, | Mo |
| Hall symbol: -C 2yc | Cell parameters from 829 reflections |
| θ = 2.0–24.4° | |
| µ = 0.09 mm−1 | |
| β = 103.746 (4)° | Cylindrical, colourless |
| 0.23 × 0.15 × 0.11 mm | |
| Bruker SMART CCD area-detector diffractometer | 1813 independent reflections |
| Radiation source: fine-focus sealed tube | 1287 reflections with |
| graphite | |
| φ and ω scans | θmax = 25.5°, θmin = 2.1° |
| Absorption correction: multi-scan ( | |
| 6923 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 atoms treated by a mixture of independent and constrained refinement | |
| 1813 reflections | (Δ/σ)max < 0.001 |
| 140 parameters | Δρmax = 0.19 e Å−3 |
| 0 restraints | Δρmin = −0.21 e Å−3 |
| 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 | 0.70535 (8) | 0.6222 (2) | 0.07461 (7) | 0.0535 (5) | |
| N1 | 0.50992 (9) | 0.7693 (3) | −0.06750 (9) | 0.0510 (5) | |
| N2 | 0.72283 (9) | 1.0437 (3) | 0.09527 (8) | 0.0403 (4) | |
| H2N | 0.7016 (12) | 1.196 (5) | 0.0809 (11) | 0.075 (8)* | |
| C1 | 0.78193 (10) | 1.0299 (3) | 0.15450 (9) | 0.0343 (5) | |
| C2 | 0.83422 (11) | 0.8400 (4) | 0.16449 (10) | 0.0430 (5) | |
| H2 | 0.8316 | 0.7127 | 0.1322 | 0.052* | |
| C3 | 0.89028 (11) | 0.8406 (4) | 0.22253 (10) | 0.0480 (6) | |
| H3 | 0.9255 | 0.7128 | 0.2292 | 0.058* | |
| C4 | 0.89503 (12) | 1.0271 (4) | 0.27086 (11) | 0.0480 (6) | |
| H4 | 0.9327 | 1.0250 | 0.3102 | 0.058* | |
| C5 | 0.84308 (11) | 1.2170 (4) | 0.26008 (10) | 0.0465 (6) | |
| H5 | 0.8460 | 1.3451 | 0.2922 | 0.056* | |
| C6 | 0.78691 (11) | 1.2189 (4) | 0.20234 (9) | 0.0403 (5) | |
| H6 | 0.7522 | 1.3482 | 0.1955 | 0.048* | |
| C7 | 0.68817 (11) | 0.8434 (3) | 0.05987 (9) | 0.0380 (5) | |
| C8 | 0.62589 (10) | 0.9088 (3) | 0.00086 (9) | 0.0342 (5) | |
| C9 | 0.62425 (11) | 1.1201 (3) | −0.03994 (9) | 0.0392 (5) | |
| H9 | 0.6620 | 1.2387 | −0.0303 | 0.047* | |
| C10 | 0.56564 (11) | 1.1513 (4) | −0.09499 (10) | 0.0458 (5) | |
| H10 | 0.5633 | 1.2900 | −0.1238 | 0.055* | |
| C11 | 0.51068 (12) | 0.9730 (4) | −0.10646 (10) | 0.0489 (6) | |
| H11 | 0.4714 | 0.9955 | −0.1439 | 0.059* | |
| C12 | 0.56755 (11) | 0.7414 (4) | −0.01519 (10) | 0.0427 (5) | |
| H12 | 0.5687 | 0.6000 | 0.0125 | 0.051* |
| O1 | 0.0640 (10) | 0.0257 (7) | 0.0580 (9) | 0.0019 (7) | −0.0108 (8) | 0.0037 (6) |
| N1 | 0.0437 (11) | 0.0428 (10) | 0.0586 (12) | −0.0019 (8) | −0.0036 (10) | −0.0025 (9) |
| N2 | 0.0454 (11) | 0.0298 (9) | 0.0410 (10) | 0.0004 (8) | 0.0012 (8) | −0.0012 (7) |
| C1 | 0.0331 (11) | 0.0339 (10) | 0.0336 (10) | −0.0032 (8) | 0.0036 (9) | 0.0021 (8) |
| C2 | 0.0419 (12) | 0.0383 (11) | 0.0455 (12) | −0.0003 (9) | 0.0038 (10) | −0.0076 (9) |
| C3 | 0.0403 (12) | 0.0385 (11) | 0.0590 (14) | 0.0078 (9) | −0.0006 (11) | 0.0027 (10) |
| C4 | 0.0416 (13) | 0.0482 (12) | 0.0454 (12) | −0.0047 (10) | −0.0070 (10) | 0.0019 (10) |
| C5 | 0.0513 (14) | 0.0401 (12) | 0.0437 (12) | −0.0049 (10) | 0.0028 (11) | −0.0094 (9) |
| C6 | 0.0403 (12) | 0.0344 (10) | 0.0431 (12) | 0.0012 (9) | 0.0036 (10) | −0.0019 (9) |
| C7 | 0.0433 (12) | 0.0308 (10) | 0.0392 (11) | −0.0019 (9) | 0.0083 (9) | −0.0010 (8) |
| C8 | 0.0347 (11) | 0.0349 (10) | 0.0318 (10) | 0.0022 (9) | 0.0052 (9) | −0.0020 (8) |
| C9 | 0.0383 (11) | 0.0364 (10) | 0.0403 (11) | −0.0026 (9) | 0.0039 (10) | −0.0027 (9) |
| C10 | 0.0512 (14) | 0.0365 (11) | 0.0460 (12) | 0.0057 (10) | 0.0042 (11) | 0.0048 (9) |
| C11 | 0.0449 (13) | 0.0468 (12) | 0.0456 (12) | 0.0093 (10) | −0.0076 (10) | −0.0033 (10) |
| C12 | 0.0441 (13) | 0.0342 (11) | 0.0464 (12) | −0.0007 (9) | 0.0038 (11) | 0.0021 (9) |
| O1—C7 | 1.228 (2) | C4—H4 | 0.9300 |
| N1—C12 | 1.329 (2) | C5—C6 | 1.375 (3) |
| N1—C11 | 1.335 (3) | C5—H5 | 0.9300 |
| N2—C7 | 1.354 (2) | C6—H6 | 0.9300 |
| N2—C1 | 1.428 (2) | C7—C8 | 1.498 (3) |
| N2—H2N | 0.91 (2) | C8—C12 | 1.382 (3) |
| C1—C6 | 1.378 (3) | C8—C9 | 1.384 (2) |
| C1—C2 | 1.382 (3) | C9—C10 | 1.376 (3) |
| C2—C3 | 1.377 (3) | C9—H9 | 0.9300 |
| C2—H2 | 0.9300 | C10—C11 | 1.373 (3) |
| C3—C4 | 1.376 (3) | C10—H10 | 0.9300 |
| C3—H3 | 0.9300 | C11—H11 | 0.9300 |
| C4—C5 | 1.378 (3) | C12—H12 | 0.9300 |
| C12—N1—C11 | 116.06 (18) | C5—C6—H6 | 119.9 |
| C7—N2—C1 | 125.70 (17) | C1—C6—H6 | 119.9 |
| C7—N2—H2N | 113.6 (14) | O1—C7—N2 | 123.27 (18) |
| C1—N2—H2N | 120.3 (14) | O1—C7—C8 | 121.46 (17) |
| C6—C1—C2 | 119.65 (17) | N2—C7—C8 | 115.27 (16) |
| C6—C1—N2 | 117.58 (17) | C12—C8—C9 | 118.05 (17) |
| C2—C1—N2 | 122.76 (17) | C12—C8—C7 | 117.55 (17) |
| C3—C2—C1 | 119.56 (18) | C9—C8—C7 | 124.36 (17) |
| C3—C2—H2 | 120.2 | C10—C9—C8 | 118.71 (18) |
| C1—C2—H2 | 120.2 | C10—C9—H9 | 120.6 |
| C4—C3—C2 | 121.05 (19) | C8—C9—H9 | 120.6 |
| C4—C3—H3 | 119.5 | C11—C10—C9 | 118.47 (19) |
| C2—C3—H3 | 119.5 | C11—C10—H10 | 120.8 |
| C3—C4—C5 | 118.93 (19) | C9—C10—H10 | 120.8 |
| C3—C4—H4 | 120.5 | N1—C11—C10 | 124.37 (19) |
| C5—C4—H4 | 120.5 | N1—C11—H11 | 117.8 |
| C6—C5—C4 | 120.61 (19) | C10—C11—H11 | 117.8 |
| C6—C5—H5 | 119.7 | N1—C12—C8 | 124.33 (18) |
| C4—C5—H5 | 119.7 | N1—C12—H12 | 117.8 |
| C5—C6—C1 | 120.20 (18) | C8—C12—H12 | 117.8 |
| C7—N2—C1—C6 | −148.13 (19) | O1—C7—C8—C12 | 31.6 (3) |
| C7—N2—C1—C2 | 33.3 (3) | N2—C7—C8—C12 | −147.87 (18) |
| C6—C1—C2—C3 | 0.7 (3) | O1—C7—C8—C9 | −145.9 (2) |
| N2—C1—C2—C3 | 179.18 (18) | N2—C7—C8—C9 | 34.6 (3) |
| C1—C2—C3—C4 | 0.1 (3) | C12—C8—C9—C10 | −1.2 (3) |
| C2—C3—C4—C5 | −0.8 (3) | C7—C8—C9—C10 | 176.34 (18) |
| C3—C4—C5—C6 | 0.7 (3) | C8—C9—C10—C11 | 1.0 (3) |
| C4—C5—C6—C1 | 0.1 (3) | C12—N1—C11—C10 | −1.0 (3) |
| C2—C1—C6—C5 | −0.8 (3) | C9—C10—C11—N1 | 0.2 (3) |
| N2—C1—C6—C5 | −179.35 (17) | C11—N1—C12—C8 | 0.8 (3) |
| C1—N2—C7—O1 | −1.5 (3) | C9—C8—C12—N1 | 0.3 (3) |
| C1—N2—C7—C8 | 177.91 (17) | C7—C8—C12—N1 | −177.39 (19) |
| H··· | ||||
| N2—H2N···O1i | 0.91 (3) | 2.26 (3) | 3.088 (2) | 152 (2) |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N2—H2N⋯O1i | 0.91 (3) | 2.26 (3) | 3.088 (2) | 152 (2) |
Symmetry code: (i) .