| Literature DB >> 21578496 |
Muhammad Salim, Zaid Mahmood, M Nawaz Tahir, Saeed Ahmad, Azhar Saeed.
Abstract
The conformation of the title compound, C(12)H(17)N(3)O, is consolidated by an intra-molecular N-H⋯O hydrogen bond, generating an S(5) ring. In the crystal, inversion dimers linked by pairs of N-H⋯O inter-actions occur, resulting in R(2) (2)(8) ring motifs.Entities:
Year: 2009 PMID: 21578496 PMCID: PMC2970964 DOI: 10.1107/S1600536809044353
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C12H17N3O | |
| Monoclinic, | Mo |
| Hall symbol: -P 2yn | Cell parameters from 2998 reflections |
| θ = 3.0–28.2° | |
| µ = 0.08 mm−1 | |
| β = 103.433 (3)° | Prism, colourless |
| 0.28 × 0.25 × 0.22 mm | |
| Bruker Kappa APEXII CCD diffractometer | 2998 independent reflections |
| Radiation source: fine-focus sealed tube | 1608 reflections with |
| graphite | |
| Detector resolution: 7.40 pixels mm-1 | θmax = 28.2°, θmin = 3.0° |
| ω scans | |
| Absorption correction: multi-scan ( | |
| 13485 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 | |
| 2998 reflections | (Δ/σ)max < 0.001 |
| 148 parameters | Δρmax = 0.18 e Å−3 |
| 0 restraints | Δρmin = −0.16 e Å−3 |
| Geometry. Bond distances, angles |
| Refinement. Refinement of |
| O1 | 0.47742 (12) | 0.3771 (4) | 0.42354 (7) | 0.0780 (6) | |
| N1 | 0.53042 (16) | 0.2794 (5) | 0.31712 (8) | 0.0739 (7) | |
| N2 | 0.61215 (13) | 0.6771 (4) | 0.46619 (8) | 0.0572 (6) | |
| N3 | 0.70384 (12) | 0.8122 (4) | 0.46023 (7) | 0.0550 (5) | |
| C1 | 0.54130 (15) | 0.2216 (5) | 0.25657 (8) | 0.0537 (6) | |
| C2 | 0.46554 (16) | 0.0463 (5) | 0.21591 (9) | 0.0597 (7) | |
| C3 | 0.47980 (19) | −0.0121 (6) | 0.15595 (10) | 0.0751 (9) | |
| C4 | 0.5629 (2) | 0.0969 (6) | 0.13542 (10) | 0.0768 (9) | |
| C5 | 0.63565 (18) | 0.2686 (6) | 0.17511 (10) | 0.0704 (8) | |
| C6 | 0.62626 (15) | 0.3307 (5) | 0.23575 (9) | 0.0622 (7) | |
| C7 | 0.59948 (16) | 0.4699 (5) | 0.36058 (9) | 0.0551 (7) | |
| C8 | 0.55802 (15) | 0.5040 (5) | 0.41921 (8) | 0.0536 (6) | |
| C9 | 0.75244 (15) | 0.9750 (4) | 0.50608 (9) | 0.0524 (6) | |
| C10 | 0.71970 (17) | 1.0357 (6) | 0.56608 (9) | 0.0674 (8) | |
| C11 | 0.85192 (17) | 1.1136 (6) | 0.49869 (11) | 0.0728 (8) | |
| C12 | 0.3731 (2) | −0.0733 (7) | 0.23729 (13) | 0.0865 (10) | |
| H1 | 0.478 (2) | 0.222 (6) | 0.3270 (12) | 0.0887* | |
| H2 | 0.5864 (16) | 0.694 (5) | 0.4998 (11) | 0.0686* | |
| H3 | 0.43077 | −0.13040 | 0.12853 | 0.0902* | |
| H4 | 0.56980 | 0.05417 | 0.09469 | 0.0922* | |
| H5 | 0.69216 | 0.34476 | 0.16126 | 0.0845* | |
| H6 | 0.67688 | 0.44581 | 0.26275 | 0.0747* | |
| H7A | 0.6053 (16) | 0.673 (5) | 0.3444 (10) | 0.0661* | |
| H7B | 0.6679 (17) | 0.383 (5) | 0.3735 (10) | 0.0661* | |
| H10A | 0.65304 | 1.13419 | 0.55670 | 0.1011* | |
| H10B | 0.76993 | 1.16536 | 0.59273 | 0.1011* | |
| H10C | 0.71507 | 0.84643 | 0.58744 | 0.1011* | |
| H11A | 0.86472 | 1.05450 | 0.45867 | 0.1092* | |
| H11B | 0.90797 | 1.04383 | 0.53216 | 0.1092* | |
| H11C | 0.84711 | 1.33164 | 0.50050 | 0.1092* | |
| H12A | 0.39624 | −0.20103 | 0.27369 | 0.1299* | |
| H12B | 0.33007 | −0.18975 | 0.20383 | 0.1299* | |
| H12C | 0.33383 | 0.09441 | 0.24803 | 0.1299* |
| O1 | 0.0743 (10) | 0.1126 (13) | 0.0574 (9) | −0.0338 (9) | 0.0366 (7) | −0.0246 (8) |
| N1 | 0.0746 (12) | 0.1060 (16) | 0.0500 (10) | −0.0339 (11) | 0.0325 (9) | −0.0234 (10) |
| N2 | 0.0590 (10) | 0.0746 (12) | 0.0433 (9) | −0.0111 (8) | 0.0229 (7) | −0.0086 (8) |
| N3 | 0.0568 (9) | 0.0646 (10) | 0.0474 (9) | −0.0067 (8) | 0.0196 (7) | −0.0032 (8) |
| C1 | 0.0570 (11) | 0.0650 (12) | 0.0420 (10) | 0.0042 (9) | 0.0173 (8) | −0.0040 (9) |
| C2 | 0.0613 (12) | 0.0670 (13) | 0.0512 (11) | 0.0067 (10) | 0.0141 (9) | −0.0076 (10) |
| C3 | 0.0838 (16) | 0.0852 (17) | 0.0534 (12) | 0.0070 (13) | 0.0099 (11) | −0.0179 (12) |
| C4 | 0.0926 (17) | 0.0973 (18) | 0.0456 (11) | 0.0234 (15) | 0.0262 (12) | −0.0069 (12) |
| C5 | 0.0678 (13) | 0.0986 (18) | 0.0523 (12) | 0.0206 (13) | 0.0291 (11) | 0.0085 (12) |
| C6 | 0.0561 (11) | 0.0851 (15) | 0.0489 (11) | 0.0012 (10) | 0.0192 (9) | −0.0021 (10) |
| C7 | 0.0580 (11) | 0.0679 (14) | 0.0431 (10) | −0.0073 (10) | 0.0195 (9) | −0.0039 (10) |
| C8 | 0.0571 (11) | 0.0649 (12) | 0.0426 (10) | −0.0054 (10) | 0.0192 (8) | −0.0049 (9) |
| C9 | 0.0565 (10) | 0.0556 (11) | 0.0467 (10) | −0.0007 (9) | 0.0152 (8) | 0.0010 (9) |
| C10 | 0.0738 (14) | 0.0787 (15) | 0.0522 (12) | −0.0106 (12) | 0.0198 (10) | −0.0122 (11) |
| C11 | 0.0697 (13) | 0.0839 (16) | 0.0685 (14) | −0.0171 (12) | 0.0234 (11) | −0.0067 (12) |
| C12 | 0.0758 (15) | 0.102 (2) | 0.0831 (17) | −0.0268 (14) | 0.0212 (13) | −0.0220 (15) |
| O1—C8 | 1.225 (3) | C9—C10 | 1.491 (3) |
| N1—C1 | 1.381 (2) | C3—H3 | 0.9300 |
| N1—C7 | 1.423 (3) | C4—H4 | 0.9300 |
| N2—N3 | 1.382 (2) | C5—H5 | 0.9300 |
| N2—C8 | 1.339 (3) | C6—H6 | 0.9300 |
| N3—C9 | 1.272 (2) | C7—H7A | 0.97 (2) |
| N1—H1 | 0.81 (3) | C7—H7B | 0.96 (2) |
| N2—H2 | 0.88 (2) | C10—H10A | 0.9600 |
| C1—C2 | 1.402 (3) | C10—H10B | 0.9600 |
| C1—C6 | 1.390 (3) | C10—H10C | 0.9600 |
| C2—C3 | 1.384 (3) | C11—H11A | 0.9600 |
| C2—C12 | 1.500 (4) | C11—H11B | 0.9600 |
| C3—C4 | 1.365 (4) | C11—H11C | 0.9600 |
| C4—C5 | 1.361 (3) | C12—H12A | 0.9600 |
| C5—C6 | 1.380 (3) | C12—H12B | 0.9600 |
| C7—C8 | 1.507 (3) | C12—H12C | 0.9600 |
| C9—C11 | 1.491 (3) | ||
| C1—N1—C7 | 123.25 (19) | C4—C5—H5 | 120.00 |
| N3—N2—C8 | 119.78 (16) | C6—C5—H5 | 120.00 |
| N2—N3—C9 | 117.48 (16) | C1—C6—H6 | 120.00 |
| C7—N1—H1 | 117.5 (18) | C5—C6—H6 | 120.00 |
| C1—N1—H1 | 118.7 (18) | N1—C7—H7A | 113.1 (13) |
| N3—N2—H2 | 124.1 (15) | N1—C7—H7B | 112.1 (13) |
| C8—N2—H2 | 116.2 (15) | C8—C7—H7A | 106.9 (13) |
| N1—C1—C2 | 118.99 (19) | C8—C7—H7B | 107.1 (13) |
| N1—C1—C6 | 121.23 (19) | H7A—C7—H7B | 108.8 (19) |
| C2—C1—C6 | 119.78 (17) | C9—C10—H10A | 109.00 |
| C3—C2—C12 | 121.8 (2) | C9—C10—H10B | 109.00 |
| C1—C2—C3 | 117.5 (2) | C9—C10—H10C | 109.00 |
| C1—C2—C12 | 120.72 (19) | H10A—C10—H10B | 109.00 |
| C2—C3—C4 | 122.7 (2) | H10A—C10—H10C | 109.00 |
| C3—C4—C5 | 119.4 (2) | H10B—C10—H10C | 109.00 |
| C4—C5—C6 | 120.5 (2) | C9—C11—H11A | 109.00 |
| C1—C6—C5 | 120.14 (19) | C9—C11—H11B | 109.00 |
| N1—C7—C8 | 108.46 (18) | C9—C11—H11C | 109.00 |
| O1—C8—N2 | 121.29 (17) | H11A—C11—H11B | 109.00 |
| O1—C8—C7 | 120.90 (18) | H11A—C11—H11C | 109.00 |
| N2—C8—C7 | 117.81 (18) | H11B—C11—H11C | 109.00 |
| N3—C9—C11 | 116.23 (18) | C2—C12—H12A | 109.00 |
| C10—C9—C11 | 117.65 (18) | C2—C12—H12B | 109.00 |
| N3—C9—C10 | 126.12 (19) | C2—C12—H12C | 109.00 |
| C2—C3—H3 | 119.00 | H12A—C12—H12B | 109.00 |
| C4—C3—H3 | 119.00 | H12A—C12—H12C | 109.00 |
| C3—C4—H4 | 120.00 | H12B—C12—H12C | 109.00 |
| C5—C4—H4 | 120.00 | ||
| C7—N1—C1—C2 | −176.0 (2) | C6—C1—C2—C12 | −179.9 (2) |
| C7—N1—C1—C6 | 4.8 (3) | N1—C1—C6—C5 | 179.7 (2) |
| C1—N1—C7—C8 | 174.7 (2) | C2—C1—C6—C5 | 0.5 (3) |
| C8—N2—N3—C9 | 179.89 (19) | C1—C2—C3—C4 | −0.9 (4) |
| N3—N2—C8—O1 | 178.75 (19) | C12—C2—C3—C4 | 179.4 (2) |
| N3—N2—C8—C7 | −1.3 (3) | C2—C3—C4—C5 | 0.4 (4) |
| N2—N3—C9—C10 | −0.2 (3) | C3—C4—C5—C6 | 0.5 (4) |
| N2—N3—C9—C11 | 179.05 (18) | C4—C5—C6—C1 | −0.9 (4) |
| N1—C1—C2—C3 | −178.8 (2) | N1—C7—C8—O1 | 0.2 (3) |
| N1—C1—C2—C12 | 0.9 (3) | N1—C7—C8—N2 | −179.80 (19) |
| C6—C1—C2—C3 | 0.4 (3) |
| H··· | ||||
| N1—H1···O1 | 0.81 (3) | 2.21 (3) | 2.604 (2) | 110 (2) |
| N2—H2···O1i | 0.88 (2) | 2.06 (2) | 2.920 (2) | 166 (2) |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N1—H1⋯O1 | 0.81 (3) | 2.21 (3) | 2.604 (2) | 110 (2) |
| N2—H2⋯O1i | 0.88 (2) | 2.06 (2) | 2.920 (2) | 166 (2) |
Symmetry code: (i) .