| Literature DB >> 22219994 |
M Sithambaresan, M R Prathapachandra Kurup.
Abstract
The title compound, C(16)H(17)N(3)O(3), exists in the E configuration with respect to the azomethine double bond. The mol-ecule is close to planar, with a dihedral angle of 6.7 (1)° between the aromatic rings. The phenolic O atom functions as donor and acceptor by forming intramolec-ular O-H⋯O and inter-molecular N-H⋯O hydrogen bonds, respectively. Two-dimensional packing is fashioned through an inter-molecular hydrogen bonding network in an offset manner.Entities:
Year: 2011 PMID: 22219994 PMCID: PMC3247376 DOI: 10.1107/S1600536811041857
Source DB: PubMed Journal: Acta Crystallogr Sect E Struct Rep Online ISSN: 1600-5368
| C16H17N3O3 | |
| Monoclinic, | Mo |
| Hall symbol: -C 2yc | Cell parameters from 3454 reflections |
| θ = 1.4–27.5° | |
| µ = 0.09 mm−1 | |
| β = 92.753 (2)° | Block, pale yellow |
| 0.50 × 0.30 × 0.10 mm | |
| Bruker APEXII CCD diffractometer | 2687 independent reflections |
| Radiation source: fine-focus sealed tube | 2066 reflections with |
| graphite | |
| ω and φ scans | θmax = 25.0°, θmin = 2.6° |
| Absorption correction: multi-scan ( | |
| 10811 measured reflections |
| Refinement on | Secondary atom site location: difference Fourier map |
| Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
| H atoms treated by a mixture of independent and constrained refinement | |
| (Δ/σ)max = 0.003 | |
| 2687 reflections | Δρmax = 0.16 e Å−3 |
| 213 parameters | Δρmin = −0.13 e Å−3 |
| 2 restraints | Extinction correction: |
| Primary atom site location: structure-invariant direct methods | Extinction coefficient: 0.0055 (9) |
| 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 | 0.37161 (4) | −0.1876 (2) | 0.50043 (7) | 0.0781 (4) | |
| O2 | 0.42932 (4) | 0.1621 (2) | 0.48991 (6) | 0.0703 (4) | |
| O3 | 0.61791 (4) | 0.7085 (2) | 0.64595 (7) | 0.0800 (4) | |
| N1 | 0.53666 (4) | 0.2594 (3) | 0.62904 (7) | 0.0621 (4) | |
| N2 | 0.56032 (5) | 0.4651 (3) | 0.61776 (8) | 0.0726 (4) | |
| N3 | 0.61370 (4) | 0.3406 (2) | 0.70231 (8) | 0.0626 (4) | |
| C1 | 0.43561 (5) | 0.0007 (3) | 0.54552 (8) | 0.0563 (4) | |
| C2 | 0.40572 (5) | −0.1888 (3) | 0.55286 (9) | 0.0611 (4) | |
| C3 | 0.41199 (6) | −0.3509 (3) | 0.60918 (10) | 0.0719 (5) | |
| H3 | 0.3924 | −0.4784 | 0.6139 | 0.086* | |
| C4 | 0.44794 (6) | −0.3228 (3) | 0.65907 (10) | 0.0773 (5) | |
| H4 | 0.4521 | −0.4315 | 0.6976 | 0.093* | |
| C5 | 0.47737 (6) | −0.1374 (3) | 0.65230 (9) | 0.0691 (5) | |
| H5 | 0.5013 | −0.1219 | 0.6861 | 0.083* | |
| C6 | 0.47181 (5) | 0.0285 (3) | 0.59510 (8) | 0.0567 (4) | |
| C7 | 0.50174 (5) | 0.2319 (3) | 0.58751 (8) | 0.0616 (4) | |
| H7 | 0.4952 | 0.3456 | 0.5511 | 0.074* | |
| C8 | 0.59928 (5) | 0.5163 (3) | 0.65588 (9) | 0.0616 (4) | |
| C9 | 0.65140 (5) | 0.3413 (3) | 0.75132 (8) | 0.0542 (4) | |
| C10 | 0.68369 (5) | 0.5188 (3) | 0.75262 (9) | 0.0626 (4) | |
| H10 | 0.6812 | 0.6481 | 0.7203 | 0.075* | |
| C11 | 0.71966 (5) | 0.5025 (3) | 0.80230 (10) | 0.0691 (5) | |
| H11 | 0.7413 | 0.6217 | 0.8030 | 0.083* | |
| C12 | 0.72396 (6) | 0.3148 (3) | 0.85037 (10) | 0.0743 (5) | |
| H12 | 0.7484 | 0.3057 | 0.8834 | 0.089* | |
| C13 | 0.69195 (7) | 0.1402 (3) | 0.84939 (11) | 0.0818 (6) | |
| H13 | 0.6946 | 0.0122 | 0.8822 | 0.098* | |
| C14 | 0.65571 (6) | 0.1520 (3) | 0.80001 (10) | 0.0702 (5) | |
| H14 | 0.6342 | 0.0319 | 0.7997 | 0.084* | |
| C15 | 0.33793 (6) | −0.3673 (4) | 0.50345 (11) | 0.0823 (6) | |
| H15A | 0.3258 | −0.3702 | 0.5518 | 0.099* | |
| H15B | 0.3502 | −0.5248 | 0.4935 | 0.099* | |
| C16 | 0.30266 (7) | −0.3044 (5) | 0.44677 (14) | 0.1099 (8) | |
| H16A | 0.2900 | −0.1514 | 0.4584 | 0.165* | |
| H16B | 0.2799 | −0.4256 | 0.4458 | 0.165* | |
| H16C | 0.3153 | −0.2956 | 0.3995 | 0.165* | |
| H2 | 0.4079 (6) | 0.112 (4) | 0.4600 (11) | 0.093 (6)* | |
| H3' | 0.5986 (5) | 0.2112 (18) | 0.7011 (10) | 0.074 (5)* | |
| H2' | 0.5514 (7) | 0.570 (4) | 0.5859 (12) | 0.096 (7)* |
| O1 | 0.0642 (7) | 0.0915 (9) | 0.0775 (8) | −0.0189 (6) | −0.0083 (6) | 0.0033 (6) |
| O2 | 0.0683 (7) | 0.0755 (8) | 0.0652 (7) | −0.0102 (6) | −0.0178 (6) | 0.0151 (6) |
| O3 | 0.0740 (7) | 0.0724 (8) | 0.0912 (9) | −0.0133 (6) | −0.0211 (6) | 0.0243 (7) |
| N1 | 0.0565 (7) | 0.0674 (8) | 0.0616 (8) | −0.0023 (6) | −0.0046 (6) | 0.0058 (6) |
| N2 | 0.0641 (8) | 0.0762 (10) | 0.0754 (9) | −0.0100 (7) | −0.0171 (7) | 0.0225 (8) |
| N3 | 0.0582 (7) | 0.0607 (8) | 0.0676 (8) | −0.0071 (6) | −0.0094 (6) | 0.0085 (7) |
| C1 | 0.0559 (8) | 0.0610 (9) | 0.0521 (8) | 0.0027 (7) | 0.0015 (6) | 0.0008 (7) |
| C2 | 0.0578 (8) | 0.0666 (10) | 0.0591 (9) | −0.0032 (8) | 0.0058 (7) | −0.0045 (8) |
| C3 | 0.0784 (11) | 0.0679 (11) | 0.0700 (10) | −0.0114 (9) | 0.0102 (9) | 0.0017 (8) |
| C4 | 0.0940 (13) | 0.0763 (12) | 0.0616 (10) | −0.0024 (10) | 0.0035 (9) | 0.0163 (9) |
| C5 | 0.0743 (10) | 0.0764 (11) | 0.0558 (9) | 0.0008 (9) | −0.0055 (8) | 0.0073 (8) |
| C6 | 0.0573 (8) | 0.0618 (9) | 0.0508 (8) | 0.0019 (7) | 0.0007 (6) | 0.0000 (7) |
| C7 | 0.0592 (8) | 0.0702 (10) | 0.0546 (8) | −0.0008 (8) | −0.0053 (7) | 0.0076 (7) |
| C8 | 0.0572 (8) | 0.0668 (10) | 0.0600 (9) | −0.0011 (8) | −0.0045 (7) | 0.0079 (8) |
| C9 | 0.0538 (8) | 0.0535 (8) | 0.0551 (8) | 0.0036 (7) | −0.0007 (6) | −0.0019 (7) |
| C10 | 0.0634 (9) | 0.0609 (9) | 0.0627 (9) | −0.0027 (7) | −0.0062 (7) | 0.0058 (7) |
| C11 | 0.0637 (9) | 0.0672 (11) | 0.0751 (10) | −0.0052 (8) | −0.0108 (8) | −0.0029 (8) |
| C12 | 0.0738 (10) | 0.0710 (11) | 0.0758 (11) | 0.0095 (9) | −0.0216 (9) | −0.0042 (9) |
| C13 | 0.0960 (13) | 0.0626 (11) | 0.0844 (12) | 0.0049 (10) | −0.0221 (10) | 0.0147 (9) |
| C14 | 0.0728 (10) | 0.0567 (10) | 0.0796 (11) | −0.0039 (8) | −0.0104 (9) | 0.0088 (8) |
| C15 | 0.0652 (10) | 0.0861 (13) | 0.0963 (14) | −0.0172 (9) | 0.0108 (9) | −0.0240 (11) |
| C16 | 0.0634 (11) | 0.157 (2) | 0.1087 (16) | −0.0202 (13) | −0.0018 (11) | −0.0364 (16) |
| O1—C2 | 1.3693 (19) | C5—H5 | 0.9300 |
| O1—C15 | 1.426 (2) | C6—C7 | 1.456 (2) |
| O2—C1 | 1.3598 (18) | C7—H7 | 0.9300 |
| O2—H2 | 0.870 (15) | C9—C14 | 1.378 (2) |
| O3—C8 | 1.2239 (19) | C9—C10 | 1.385 (2) |
| N1—C7 | 1.2758 (19) | C10—C11 | 1.381 (2) |
| N1—N2 | 1.368 (2) | C10—H10 | 0.9300 |
| N2—C8 | 1.365 (2) | C11—C12 | 1.364 (3) |
| N2—H2' | 0.86 (2) | C11—H11 | 0.9300 |
| N3—C8 | 1.350 (2) | C12—C13 | 1.368 (3) |
| N3—C9 | 1.4109 (19) | C12—H12 | 0.9300 |
| N3—H3' | 0.8500 (11) | C13—C14 | 1.383 (2) |
| C1—C6 | 1.391 (2) | C13—H13 | 0.9300 |
| C1—C2 | 1.396 (2) | C14—H14 | 0.9300 |
| C2—C3 | 1.371 (2) | C15—C16 | 1.488 (3) |
| C3—C4 | 1.389 (2) | C15—H15A | 0.9700 |
| C3—H3 | 0.9300 | C15—H15B | 0.9700 |
| C4—C5 | 1.369 (2) | C16—H16A | 0.9600 |
| C4—H4 | 0.9300 | C16—H16B | 0.9600 |
| C5—C6 | 1.396 (2) | C16—H16C | 0.9600 |
| C2—O1—C15 | 118.77 (14) | N3—C8—N2 | 114.31 (15) |
| C1—O2—H2 | 109.1 (15) | C14—C9—C10 | 119.20 (15) |
| C7—N1—N2 | 115.60 (13) | C14—C9—N3 | 116.98 (14) |
| C8—N2—N1 | 122.63 (14) | C10—C9—N3 | 123.82 (14) |
| C8—N2—H2' | 116.0 (14) | C11—C10—C9 | 119.55 (15) |
| N1—N2—H2' | 121.4 (14) | C11—C10—H10 | 120.2 |
| C8—N3—C9 | 128.31 (14) | C9—C10—H10 | 120.2 |
| C8—N3—H3' | 116.1 (12) | C12—C11—C10 | 121.22 (16) |
| C9—N3—H3' | 115.5 (12) | C12—C11—H11 | 119.4 |
| O2—C1—C6 | 119.17 (14) | C10—C11—H11 | 119.4 |
| O2—C1—C2 | 120.09 (13) | C11—C12—C13 | 119.26 (16) |
| C6—C1—C2 | 120.74 (14) | C11—C12—H12 | 120.4 |
| O1—C2—C3 | 126.67 (15) | C13—C12—H12 | 120.4 |
| O1—C2—C1 | 113.30 (14) | C12—C13—C14 | 120.60 (16) |
| C3—C2—C1 | 120.02 (15) | C12—C13—H13 | 119.7 |
| C2—C3—C4 | 119.42 (16) | C14—C13—H13 | 119.7 |
| C2—C3—H3 | 120.3 | C9—C14—C13 | 120.16 (16) |
| C4—C3—H3 | 120.3 | C9—C14—H14 | 119.9 |
| C5—C4—C3 | 120.92 (16) | C13—C14—H14 | 119.9 |
| C5—C4—H4 | 119.5 | O1—C15—C16 | 107.15 (18) |
| C3—C4—H4 | 119.5 | O1—C15—H15A | 110.3 |
| C4—C5—C6 | 120.61 (16) | C16—C15—H15A | 110.3 |
| C4—C5—H5 | 119.7 | O1—C15—H15B | 110.3 |
| C6—C5—H5 | 119.7 | C16—C15—H15B | 110.3 |
| C1—C6—C5 | 118.29 (15) | H15A—C15—H15B | 108.5 |
| C1—C6—C7 | 119.64 (13) | C15—C16—H16A | 109.5 |
| C5—C6—C7 | 122.04 (14) | C15—C16—H16B | 109.5 |
| N1—C7—C6 | 122.26 (14) | H16A—C16—H16B | 109.5 |
| N1—C7—H7 | 118.9 | C15—C16—H16C | 109.5 |
| C6—C7—H7 | 118.9 | H16A—C16—H16C | 109.5 |
| O3—C8—N3 | 125.98 (14) | H16B—C16—H16C | 109.5 |
| O3—C8—N2 | 119.71 (15) | ||
| C7—N1—N2—C8 | −177.55 (15) | C1—C6—C7—N1 | −176.32 (14) |
| C15—O1—C2—C3 | 1.3 (3) | C5—C6—C7—N1 | 5.7 (2) |
| C15—O1—C2—C1 | −177.82 (14) | C9—N3—C8—O3 | 3.1 (3) |
| O2—C1—C2—O1 | −0.5 (2) | C9—N3—C8—N2 | −177.15 (15) |
| C6—C1—C2—O1 | 178.87 (13) | N1—N2—C8—O3 | −176.50 (15) |
| O2—C1—C2—C3 | −179.69 (15) | N1—N2—C8—N3 | 3.7 (2) |
| C6—C1—C2—C3 | −0.4 (2) | C8—N3—C9—C14 | 171.60 (17) |
| O1—C2—C3—C4 | −178.35 (16) | C8—N3—C9—C10 | −8.7 (3) |
| C1—C2—C3—C4 | 0.8 (3) | C14—C9—C10—C11 | 0.3 (2) |
| C2—C3—C4—C5 | −0.7 (3) | N3—C9—C10—C11 | −179.42 (14) |
| C3—C4—C5—C6 | 0.2 (3) | C9—C10—C11—C12 | −0.2 (3) |
| O2—C1—C6—C5 | 179.23 (14) | C10—C11—C12—C13 | −0.2 (3) |
| C2—C1—C6—C5 | −0.1 (2) | C11—C12—C13—C14 | 0.4 (3) |
| O2—C1—C6—C7 | 1.2 (2) | C10—C9—C14—C13 | −0.1 (3) |
| C2—C1—C6—C7 | −178.15 (13) | N3—C9—C14—C13 | 179.66 (16) |
| C4—C5—C6—C1 | 0.2 (2) | C12—C13—C14—C9 | −0.3 (3) |
| C4—C5—C6—C7 | 178.16 (16) | C2—O1—C15—C16 | 172.82 (16) |
| N2—N1—C7—C6 | −176.88 (14) |
| H··· | ||||
| N2—H2'···O2i | 0.86 (2) | 2.13 (2) | 2.8799 (19) | 145.9 (18) |
| N3—H3'···N1 | 0.85 (1) | 2.25 (2) | 2.6604 (17) | 110.(1) |
| O2—H2···O3i | 0.87 (2) | 2.28 (2) | 2.8867 (16) | 127.(2) |
| O2—H2···O1 | 0.87 (2) | 2.14 (2) | 2.6206 (16) | 114.(2) |
Hydrogen-bond geometry (Å, °)
| H⋯ | ||||
|---|---|---|---|---|
| N2—H2′⋯O2i | 0.86 (2) | 2.13 (2) | 2.8799 (19) | 145.9 (18) |
| N3—H3′⋯N1 | 0.85 (1) | 2.25 (2) | 2.6604 (17) | 110.0 (14) |
| O2—H2⋯O3i | 0.87 (2) | 2.28 (2) | 2.8867 (16) | 127.1 (18) |
| O2—H2⋯O1 | 0.87 (2) | 2.14 (2) | 2.6206 (16) | 114.2 (17) |
Symmetry code: (i) .