| Literature DB >> 21201540 |
Aamer Saeed, Shahid Hussain, Michael Bolte.
Abstract
In the title compound, C(14)H(12)N(2)O(3), the dihedral angle between the two aromatic rings is 41.48 (5)°. The nitro group is twisted by 24.7 (3)° out of the plane of the aromatic ring to which it is attached. The mol-ecules are connected by N-H⋯O hydrogen bonds into chains running along the a axis.Entities:
Year: 2008 PMID: 21201540 PMCID: PMC2960181 DOI: 10.1107/S1600536808002298
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C14H12N2O3 | |
| Orthorhombic, | Mo |
| Hall symbol: P 2ac 2ab | Cell parameters from 3989 reflections |
| θ = 3.6–25.7º | |
| µ = 0.10 mm−1 | |
| Needle, light brown | |
| 0.35 × 0.14 × 0.13 mm |
| Stoe IPDSII two-circle diffractometer | 1243 reflections with |
| Radiation source: fine-focus sealed tube | |
| Monochromator: graphite | θmax = 25.5º |
| θmin = 3.5º | |
| ω scans | |
| Absorption correction: none | |
| 4741 measured reflections | |
| 1364 independent 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 = 0.13 e Å−3 | |
| 1364 reflections | Δρmin = −0.14 e Å−3 |
| 178 parameters | Extinction correction: SHELXL97 (Sheldrick, 1997), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4 |
| Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.017 (3) |
| Secondary atom site location: difference Fourier map |
| 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 |
| N1 | 0.6342 (2) | 0.68690 (13) | 0.54004 (11) | 0.0240 (4) | |
| H1 | 0.553 (3) | 0.726 (2) | 0.5746 (17) | 0.040 (7)* | |
| C1 | 0.7172 (2) | 0.73801 (15) | 0.46407 (13) | 0.0227 (4) | |
| O1 | 0.82960 (19) | 0.69697 (10) | 0.41024 (10) | 0.0277 (3) | |
| N2 | 0.5272 (2) | 0.82075 (14) | 0.28700 (12) | 0.0302 (4) | |
| O2 | 0.5146 (3) | 0.85091 (14) | 0.19817 (11) | 0.0495 (5) | |
| O3 | 0.4810 (2) | 0.73064 (12) | 0.31740 (11) | 0.0388 (4) | |
| C11 | 0.6745 (2) | 0.85748 (16) | 0.45063 (13) | 0.0239 (4) | |
| C12 | 0.5996 (3) | 0.89811 (16) | 0.36185 (14) | 0.0251 (4) | |
| C13 | 0.5832 (3) | 1.00790 (17) | 0.34180 (16) | 0.0341 (5) | |
| H13 | 0.5322 | 1.0317 | 0.2818 | 0.041* | |
| C14 | 0.6439 (3) | 1.08187 (18) | 0.41256 (18) | 0.0405 (5) | |
| H14 | 0.6340 | 1.1562 | 0.4004 | 0.049* | |
| C15 | 0.7190 (3) | 1.04525 (17) | 0.50114 (18) | 0.0383 (5) | |
| H15 | 0.7598 | 1.0952 | 0.5485 | 0.046* | |
| C16 | 0.7347 (3) | 0.93358 (17) | 0.52071 (16) | 0.0321 (5) | |
| H16 | 0.7856 | 0.9101 | 0.5808 | 0.038* | |
| C21 | 0.6503 (3) | 0.57434 (16) | 0.56687 (14) | 0.0246 (4) | |
| C22 | 0.6130 (3) | 0.54470 (17) | 0.66744 (14) | 0.0284 (4) | |
| C23 | 0.6223 (3) | 0.43408 (19) | 0.69291 (17) | 0.0384 (5) | |
| H23 | 0.5968 | 0.4124 | 0.7590 | 0.046* | |
| C24 | 0.6687 (4) | 0.35605 (18) | 0.62128 (18) | 0.0417 (6) | |
| H24 | 0.6756 | 0.2831 | 0.6399 | 0.050* | |
| C25 | 0.7045 (3) | 0.38710 (17) | 0.52281 (17) | 0.0392 (5) | |
| H25 | 0.7353 | 0.3349 | 0.4749 | 0.047* | |
| C26 | 0.6949 (3) | 0.49615 (17) | 0.49469 (15) | 0.0316 (5) | |
| H26 | 0.7181 | 0.5168 | 0.4280 | 0.038* | |
| C27 | 0.5619 (3) | 0.6283 (2) | 0.74710 (14) | 0.0365 (5) | |
| H27A | 0.6471 | 0.6846 | 0.7501 | 0.055* | |
| H27B | 0.5531 | 0.5935 | 0.8124 | 0.055* | |
| H27C | 0.4533 | 0.6595 | 0.7292 | 0.055* |
| N1 | 0.0313 (9) | 0.0204 (8) | 0.0201 (8) | 0.0029 (7) | 0.0025 (7) | 0.0010 (6) |
| C1 | 0.0261 (10) | 0.0223 (9) | 0.0198 (8) | −0.0011 (8) | −0.0039 (7) | −0.0026 (7) |
| O1 | 0.0326 (8) | 0.0226 (7) | 0.0278 (7) | −0.0013 (6) | 0.0060 (6) | −0.0034 (5) |
| N2 | 0.0338 (9) | 0.0316 (10) | 0.0251 (8) | 0.0001 (8) | −0.0025 (7) | 0.0009 (7) |
| O2 | 0.0736 (13) | 0.0524 (10) | 0.0226 (7) | −0.0003 (10) | −0.0107 (8) | 0.0060 (7) |
| O3 | 0.0504 (10) | 0.0302 (7) | 0.0358 (7) | −0.0138 (7) | −0.0059 (7) | −0.0001 (6) |
| C11 | 0.0259 (10) | 0.0206 (9) | 0.0252 (9) | 0.0001 (8) | 0.0029 (8) | −0.0013 (7) |
| C12 | 0.0259 (10) | 0.0244 (10) | 0.0250 (9) | −0.0034 (8) | 0.0018 (8) | 0.0009 (7) |
| C13 | 0.0388 (12) | 0.0262 (11) | 0.0373 (10) | 0.0009 (9) | 0.0015 (10) | 0.0096 (9) |
| C14 | 0.0439 (13) | 0.0210 (10) | 0.0565 (14) | 0.0021 (10) | −0.0018 (11) | 0.0034 (10) |
| C15 | 0.0425 (13) | 0.0233 (10) | 0.0492 (13) | −0.0015 (10) | −0.0036 (11) | −0.0101 (9) |
| C16 | 0.0377 (12) | 0.0271 (10) | 0.0314 (10) | 0.0034 (9) | −0.0054 (9) | −0.0050 (8) |
| C21 | 0.0274 (10) | 0.0224 (9) | 0.0242 (8) | 0.0002 (8) | −0.0025 (8) | 0.0036 (7) |
| C22 | 0.0311 (10) | 0.0300 (10) | 0.0241 (9) | 0.0019 (9) | −0.0024 (8) | 0.0053 (8) |
| C23 | 0.0465 (13) | 0.0357 (12) | 0.0330 (10) | 0.0005 (10) | −0.0003 (10) | 0.0134 (9) |
| C24 | 0.0532 (14) | 0.0230 (10) | 0.0490 (12) | 0.0001 (11) | 0.0022 (12) | 0.0116 (10) |
| C25 | 0.0522 (14) | 0.0231 (10) | 0.0422 (11) | −0.0016 (10) | 0.0020 (11) | −0.0017 (9) |
| C26 | 0.0439 (13) | 0.0230 (9) | 0.0278 (10) | −0.0016 (9) | 0.0016 (9) | 0.0020 (8) |
| C27 | 0.0451 (13) | 0.0436 (13) | 0.0209 (9) | 0.0077 (11) | 0.0032 (9) | 0.0031 (9) |
| N1—C1 | 1.345 (2) | C15—H15 | 0.9300 |
| N1—C21 | 1.433 (2) | C16—H16 | 0.9300 |
| N1—H1 | 0.92 (3) | C21—C26 | 1.394 (3) |
| C1—O1 | 1.234 (2) | C21—C22 | 1.401 (3) |
| C1—C11 | 1.515 (3) | C22—C23 | 1.401 (3) |
| N2—O2 | 1.228 (2) | C22—C27 | 1.519 (3) |
| N2—O3 | 1.231 (2) | C23—C24 | 1.391 (3) |
| N2—C12 | 1.480 (3) | C23—H23 | 0.9300 |
| C11—C16 | 1.393 (3) | C24—C25 | 1.377 (3) |
| C11—C12 | 1.397 (3) | C24—H24 | 0.9300 |
| C12—C13 | 1.380 (3) | C25—C26 | 1.392 (3) |
| C13—C14 | 1.384 (3) | C25—H25 | 0.9300 |
| C13—H13 | 0.9300 | C26—H26 | 0.9300 |
| C14—C15 | 1.379 (3) | C27—H27A | 0.9600 |
| C14—H14 | 0.9300 | C27—H27B | 0.9600 |
| C15—C16 | 1.401 (3) | C27—H27C | 0.9600 |
| C1—N1—C21 | 126.20 (17) | C15—C16—H16 | 119.8 |
| C1—N1—H1 | 117.5 (15) | C26—C21—C22 | 120.94 (18) |
| C21—N1—H1 | 116.1 (16) | C26—C21—N1 | 121.32 (16) |
| O1—C1—N1 | 125.21 (18) | C22—C21—N1 | 117.68 (17) |
| O1—C1—C11 | 119.02 (17) | C21—C22—C23 | 117.80 (19) |
| N1—C1—C11 | 115.63 (16) | C21—C22—C27 | 121.89 (18) |
| O2—N2—O3 | 123.79 (18) | C23—C22—C27 | 120.30 (18) |
| O2—N2—C12 | 117.91 (17) | C24—C23—C22 | 121.35 (19) |
| O3—N2—C12 | 118.30 (16) | C24—C23—H23 | 119.3 |
| C16—C11—C12 | 116.93 (18) | C22—C23—H23 | 119.3 |
| C16—C11—C1 | 119.92 (16) | C25—C24—C23 | 119.8 (2) |
| C12—C11—C1 | 122.37 (16) | C25—C24—H24 | 120.1 |
| C13—C12—C11 | 123.19 (18) | C23—C24—H24 | 120.1 |
| C13—C12—N2 | 117.73 (18) | C24—C25—C26 | 120.3 (2) |
| C11—C12—N2 | 119.03 (17) | C24—C25—H25 | 119.8 |
| C12—C13—C14 | 118.8 (2) | C26—C25—H25 | 119.8 |
| C12—C13—H13 | 120.6 | C25—C26—C21 | 119.76 (19) |
| C14—C13—H13 | 120.6 | C25—C26—H26 | 120.1 |
| C15—C14—C13 | 119.9 (2) | C21—C26—H26 | 120.1 |
| C15—C14—H14 | 120.1 | C22—C27—H27A | 109.5 |
| C13—C14—H14 | 120.1 | C22—C27—H27B | 109.5 |
| C14—C15—C16 | 120.8 (2) | H27A—C27—H27B | 109.5 |
| C14—C15—H15 | 119.6 | C22—C27—H27C | 109.5 |
| C16—C15—H15 | 119.6 | H27A—C27—H27C | 109.5 |
| C11—C16—C15 | 120.4 (2) | H27B—C27—H27C | 109.5 |
| C11—C16—H16 | 119.8 | ||
| C21—N1—C1—O1 | −5.4 (3) | C13—C14—C15—C16 | −0.1 (4) |
| C21—N1—C1—C11 | 178.96 (17) | C12—C11—C16—C15 | 0.0 (3) |
| O1—C1—C11—C16 | −103.0 (2) | C1—C11—C16—C15 | 170.1 (2) |
| N1—C1—C11—C16 | 72.9 (2) | C14—C15—C16—C11 | 0.1 (4) |
| O1—C1—C11—C12 | 66.5 (3) | C1—N1—C21—C26 | −27.7 (3) |
| N1—C1—C11—C12 | −117.6 (2) | C1—N1—C21—C22 | 154.78 (19) |
| C16—C11—C12—C13 | −0.2 (3) | C26—C21—C22—C23 | 0.1 (3) |
| C1—C11—C12—C13 | −170.0 (2) | N1—C21—C22—C23 | 177.60 (19) |
| C16—C11—C12—N2 | −177.46 (18) | C26—C21—C22—C27 | −179.2 (2) |
| C1—C11—C12—N2 | 12.7 (3) | N1—C21—C22—C27 | −1.7 (3) |
| O2—N2—C12—C13 | 26.3 (3) | C21—C22—C23—C24 | 0.7 (3) |
| O3—N2—C12—C13 | −152.8 (2) | C27—C22—C23—C24 | −180.0 (2) |
| O2—N2—C12—C11 | −156.3 (2) | C22—C23—C24—C25 | −0.8 (4) |
| O3—N2—C12—C11 | 24.7 (3) | C23—C24—C25—C26 | 0.2 (4) |
| C11—C12—C13—C14 | 0.2 (3) | C24—C25—C26—C21 | 0.6 (4) |
| N2—C12—C13—C14 | 177.49 (19) | C22—C21—C26—C25 | −0.7 (3) |
| C12—C13—C14—C15 | 0.0 (3) | N1—C21—C26—C25 | −178.1 (2) |
| H··· | ||||
| N1—H1···O1i | 0.92 (3) | 1.99 (3) | 2.849 (2) | 155 (2) |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N1—H1⋯O1i | 0.92 (3) | 1.99 (3) | 2.849 (2) | 155 (2) |
Symmetry code: (i) .