| Literature DB >> 21201733 |
Abstract
The title compound, C(10)H(9)NO(4), was obtained serendipitously during the preparation of benzyl cyclo-hexyl-carbamate. The mol-ecule consists of two approximately planar parts, the nitro-phenyl ring and the rest of the non-H atoms, with a dihedral angle of 55.05 (6)° between the two segments. The crystal structure is stabilized by weak C-H⋯O inter-actions and π stacking [3.753 (1) Å] along the b axis.Entities:
Year: 2008 PMID: 21201733 PMCID: PMC2960681 DOI: 10.1107/S1600536808025130
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C10H9NO4 | |
| Monoclinic, | Mo |
| Cell parameters from 2523 reflections | |
| θ = 1.0–27.5º | |
| µ = 0.11 mm−1 | |
| β = 116.98 (1)º | |
| Thin rod, colorless | |
| 0.30 × 0.10 × 0.04 mm |
| Nonius KappaCCD diffractometer | 2193 independent reflections |
| Radiation source: fine-focus sealed tube | 1380 reflections with |
| Monochromator: graphite | |
| Detector resolution: 18 pixels mm-1 | θmax = 27.5º |
| θmin = 1.9º | |
| ω scans at fixed χ = 55° | |
| Absorption correction: multi-scan(SCALEPACK; Otwinowski & Minor, 1997) | |
| 3936 measured reflections |
| Refinement on | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| H-atom parameters constrained | |
| | |
| (Δ/σ)max < 0.001 | |
| 2193 reflections | Δρmax = 0.32 e Å−3 |
| 137 parameters | Δρmin = −0.28 e Å−3 |
| Primary atom site location: structure-invariant direct methods | Extinction correction: none |
| 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 |
| C1 | 0.34238 (9) | 0.3043 (6) | 0.08125 (9) | 0.0350 (5) | |
| H1A | 0.3022 | 0.2636 | 0.0481 | 0.042* | |
| H1B | 0.3769 | 0.2388 | 0.0753 | 0.042* | |
| C2 | 0.41131 (8) | 0.5324 (6) | 0.19114 (9) | 0.0327 (5) | |
| H2A | 0.4437 | 0.4551 | 0.1803 | 0.049* | |
| H2B | 0.4153 | 0.4042 | 0.2293 | 0.049* | |
| H2C | 0.4150 | 0.7891 | 0.1998 | 0.049* | |
| C3 | 0.35044 (8) | 0.4545 (6) | 0.13665 (9) | 0.0258 (5) | |
| C4 | 0.29729 (8) | 0.5595 (5) | 0.14726 (9) | 0.0247 (5) | |
| C5 | 0.18934 (8) | 0.4978 (5) | 0.10638 (9) | 0.0232 (5) | |
| C6 | 0.18535 (8) | 0.3892 (5) | 0.16081 (8) | 0.0248 (5) | |
| H6 | 0.2196 | 0.2858 | 0.1958 | 0.030* | |
| C7 | 0.13046 (8) | 0.4341 (5) | 0.16321 (9) | 0.0249 (5) | |
| H7 | 0.1262 | 0.3607 | 0.1998 | 0.030* | |
| C8 | 0.08165 (8) | 0.5879 (5) | 0.11143 (8) | 0.0225 (5) | |
| C9 | 0.08549 (8) | 0.6948 (5) | 0.05692 (8) | 0.0239 (5) | |
| H9 | 0.0511 | 0.7963 | 0.0218 | 0.029* | |
| C10 | 0.14063 (8) | 0.6505 (5) | 0.05472 (8) | 0.0243 (5) | |
| H10 | 0.1449 | 0.7242 | 0.0182 | 0.029* | |
| N1 | 0.02377 (7) | 0.6382 (5) | 0.11468 (7) | 0.0273 (4) | |
| O1 | 0.30028 (5) | 0.7338 (4) | 0.19146 (6) | 0.0309 (4) | |
| O2 | 0.24257 (5) | 0.4394 (4) | 0.09952 (6) | 0.0265 (4) | |
| O3 | 0.01867 (6) | 0.5094 (4) | 0.16001 (7) | 0.0379 (4) | |
| O4 | −0.01732 (6) | 0.8076 (4) | 0.07152 (6) | 0.0356 (4) |
| C1 | 0.0292 (11) | 0.0418 (15) | 0.0387 (11) | −0.0006 (11) | 0.0195 (9) | −0.0047 (11) |
| C2 | 0.0274 (11) | 0.0333 (14) | 0.0390 (12) | 0.0015 (10) | 0.0165 (10) | −0.0001 (10) |
| C3 | 0.0258 (10) | 0.0259 (12) | 0.0286 (11) | −0.0004 (9) | 0.0148 (9) | 0.0030 (9) |
| C4 | 0.0239 (10) | 0.0250 (12) | 0.0228 (10) | 0.0004 (9) | 0.0084 (8) | 0.0007 (9) |
| C5 | 0.0217 (10) | 0.0231 (12) | 0.0272 (10) | −0.0010 (9) | 0.0133 (8) | −0.0051 (9) |
| C6 | 0.0215 (10) | 0.0237 (12) | 0.0246 (10) | −0.0001 (9) | 0.0066 (8) | −0.0014 (9) |
| C7 | 0.0258 (10) | 0.0254 (12) | 0.0238 (10) | −0.0008 (9) | 0.0116 (8) | −0.0005 (8) |
| C8 | 0.0199 (9) | 0.0233 (12) | 0.0251 (10) | −0.0017 (9) | 0.0107 (8) | −0.0032 (9) |
| C9 | 0.0230 (10) | 0.0233 (12) | 0.0219 (9) | 0.0006 (9) | 0.0070 (8) | −0.0013 (9) |
| C10 | 0.0269 (10) | 0.0248 (12) | 0.0204 (9) | 0.0004 (9) | 0.0102 (8) | −0.0007 (9) |
| N1 | 0.0238 (9) | 0.0312 (11) | 0.0268 (9) | 0.0008 (8) | 0.0113 (7) | −0.0005 (8) |
| O1 | 0.0260 (7) | 0.0375 (10) | 0.0295 (7) | −0.0029 (7) | 0.0129 (6) | −0.0088 (7) |
| O2 | 0.0201 (7) | 0.0343 (8) | 0.0258 (7) | −0.0005 (6) | 0.0111 (6) | −0.0043 (6) |
| O3 | 0.0317 (8) | 0.0518 (11) | 0.0365 (8) | 0.0040 (7) | 0.0210 (7) | 0.0094 (7) |
| O4 | 0.0251 (7) | 0.0489 (11) | 0.0319 (7) | 0.0098 (7) | 0.0121 (6) | 0.0059 (7) |
| C1—C3 | 1.345 (3) | C5—O2 | 1.402 (2) |
| C1—H1A | 0.9500 | C6—C7 | 1.381 (3) |
| C1—H1B | 0.9500 | C6—H6 | 0.9500 |
| C2—C3 | 1.487 (2) | C7—C8 | 1.385 (3) |
| C2—H2A | 0.9800 | C7—H7 | 0.9500 |
| C2—H2B | 0.9800 | C8—C9 | 1.382 (2) |
| C2—H2C | 0.9800 | C8—N1 | 1.466 (2) |
| C3—C4 | 1.485 (3) | C9—C10 | 1.385 (3) |
| C4—O1 | 1.199 (2) | C9—H9 | 0.9500 |
| C4—O2 | 1.375 (2) | C10—H10 | 0.9500 |
| C5—C10 | 1.381 (3) | N1—O3 | 1.224 (2) |
| C5—C6 | 1.384 (3) | N1—O4 | 1.231 (2) |
| C3—C1—H1A | 120.0 | C7—C6—H6 | 120.7 |
| C3—C1—H1B | 120.0 | C5—C6—H6 | 120.7 |
| H1A—C1—H1B | 120.0 | C6—C7—C8 | 119.00 (17) |
| C3—C2—H2A | 109.5 | C6—C7—H7 | 120.5 |
| C3—C2—H2B | 109.5 | C8—C7—H7 | 120.5 |
| H2A—C2—H2B | 109.5 | C9—C8—C7 | 122.47 (17) |
| C3—C2—H2C | 109.5 | C9—C8—N1 | 118.91 (16) |
| H2A—C2—H2C | 109.5 | C7—C8—N1 | 118.62 (16) |
| H2B—C2—H2C | 109.5 | C8—C9—C10 | 118.42 (17) |
| C1—C3—C4 | 121.11 (17) | C8—C9—H9 | 120.8 |
| C1—C3—C2 | 124.19 (18) | C10—C9—H9 | 120.8 |
| C4—C3—C2 | 114.70 (17) | C5—C10—C9 | 119.11 (17) |
| O1—C4—O2 | 122.47 (17) | C5—C10—H10 | 120.4 |
| O1—C4—C3 | 125.08 (17) | C9—C10—H10 | 120.4 |
| O2—C4—C3 | 112.45 (16) | O3—N1—O4 | 123.34 (16) |
| C10—C5—C6 | 122.41 (17) | O3—N1—C8 | 118.44 (15) |
| C10—C5—O2 | 116.30 (16) | O4—N1—C8 | 118.22 (15) |
| C6—C5—O2 | 121.19 (16) | C4—O2—C5 | 118.00 (14) |
| C7—C6—C5 | 118.58 (17) | ||
| C1—C3—C4—O1 | −170.1 (2) | C6—C5—C10—C9 | −0.5 (3) |
| C2—C3—C4—O1 | 9.4 (3) | O2—C5—C10—C9 | 176.01 (16) |
| C1—C3—C4—O2 | 8.8 (3) | C8—C9—C10—C5 | 0.8 (3) |
| C2—C3—C4—O2 | −171.74 (17) | C9—C8—N1—O3 | 172.43 (18) |
| C10—C5—C6—C7 | 0.3 (3) | C7—C8—N1—O3 | −7.5 (3) |
| O2—C5—C6—C7 | −176.06 (18) | C9—C8—N1—O4 | −7.5 (3) |
| C5—C6—C7—C8 | −0.4 (3) | C7—C8—N1—O4 | 172.65 (18) |
| C6—C7—C8—C9 | 0.8 (3) | O1—C4—O2—C5 | −5.8 (3) |
| C6—C7—C8—N1 | −179.34 (17) | C3—C4—O2—C5 | 175.30 (15) |
| C7—C8—C9—C10 | −1.0 (3) | C10—C5—O2—C4 | 129.61 (19) |
| N1—C8—C9—C10 | 179.14 (16) | C6—C5—O2—C4 | −53.8 (2) |
| H··· | ||||
| C7—H7···O1i | 0.95 | 2.41 | 3.130 (2) | 133 |
| C1—H1B···O4ii | 0.95 | 2.64 | 3.546 (3) | 159 |
| C2—H2A···O3ii | 0.98 | 2.68 | 3.611 (2) | 159 |
| C9—H9···O4iii | 0.95 | 2.46 | 3.282 (2) | 145 |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| C7—H7⋯O1i | 0.95 | 2.41 | 3.130 (2) | 133 |
| C1—H1 | 0.95 | 2.64 | 3.546 (3) | 159 |
| C2—H2 | 0.98 | 2.68 | 3.611 (2) | 159 |
| C9—H9⋯O4iii | 0.95 | 2.46 | 3.282 (2) | 145 |
Symmetry codes: (i) ; (ii) ; (iii) .