organic compounds
N′-Cyclohexylidenebenzohydrazide
aDongchang College, Liaocheng University, Liaocheng 250059, People's Republic of China
*Correspondence e-mail: konglingqian08@163.com
In the title compound, C13H16N2O, the cyclohexane ring adopts a chair conformation. In the intermolecular N—H⋯O and C—H⋯O hydrogen bonds link the molecules into chains propagating in [001].
Related literature
For related structures, see: Fun et al. (2008); Nie (2008); Kong et al. (2009); Fan & Song (2009).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Siemens, 1996); cell SAINT (Siemens, 1996); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S1600536809052143/cv2665sup1.cif
contains datablocks I, global. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536809052143/cv2665Isup2.hkl
Cyclohexanone (5 mmol), benzohydrazide (5 mmol) and 10 ml of methanol were mixed in 50 ml flask. After stirring for 30 min at 373 K, the resulting mixture was recrystallized from methanol, affording the title compound as colourless crystalline solid. Elemental analysis: calculated for C13H16N2O: C 72.19, H 7.46, N 12.95%; found: C 72.18, H 7.25, N 12.78%.
All H atoms were placed in geometrically idealized positions (N—H 0.86 Å, C—H 0.93–0.97 Å) and treated as riding on their parent atoms, with Uiso(H) = 1.2 Ueq(C, N). In the absence of any significant anomalous scatterers in the molecule, the 1021 Friedel pairs were merged before the final refinement.
Data collection: SMART (Siemens, 1996); cell
SAINT (Siemens, 1996); data reduction: SAINT (Siemens, 1996); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).Fig. 1. A view of (I) showing the atomic numbering scheme and 30% probability displacement ellipsoids, |
C13H16N2O | Dx = 1.157 Mg m−3 |
Mr = 216.28 | Mo Kα radiation, λ = 0.71073 Å |
Tetragonal, P43 | Cell parameters from 1861 reflections |
a = 9.4691 (11) Å | θ = 2.6–21.7° |
c = 13.8514 (15) Å | µ = 0.07 mm−1 |
V = 1242.0 (2) Å3 | T = 298 K |
Z = 4 | Block, colourless |
F(000) = 464 | 0.44 × 0.41 × 0.28 mm |
Bruker SMART APEX CCD area-detector diffractometer | 1145 independent reflections |
Radiation source: fine-focus sealed tube | 860 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.039 |
phi and ω scans | θmax = 25.0°, θmin = 2.2° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −9→11 |
Tmin = 0.968, Tmax = 0.980 | k = −9→11 |
6248 measured reflections | l = −16→15 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.038 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.114 | H-atom parameters constrained |
S = 1.08 | w = 1/[σ2(Fo2) + (0.0557P)2 + 0.1344P] where P = (Fo2 + 2Fc2)/3 |
1145 reflections | (Δ/σ)max < 0.001 |
145 parameters | Δρmax = 0.12 e Å−3 |
1 restraint | Δρmin = −0.13 e Å−3 |
C13H16N2O | Z = 4 |
Mr = 216.28 | Mo Kα radiation |
Tetragonal, P43 | µ = 0.07 mm−1 |
a = 9.4691 (11) Å | T = 298 K |
c = 13.8514 (15) Å | 0.44 × 0.41 × 0.28 mm |
V = 1242.0 (2) Å3 |
Bruker SMART APEX CCD area-detector diffractometer | 1145 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 860 reflections with I > 2σ(I) |
Tmin = 0.968, Tmax = 0.980 | Rint = 0.039 |
6248 measured reflections |
R[F2 > 2σ(F2)] = 0.038 | 1 restraint |
wR(F2) = 0.114 | H-atom parameters constrained |
S = 1.08 | Δρmax = 0.12 e Å−3 |
1145 reflections | Δρmin = −0.13 e Å−3 |
145 parameters |
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 F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | ||
N1 | 0.1658 (3) | 0.0240 (3) | 0.0959 (2) | 0.0539 (7) | |
H1 | 0.1939 | −0.0292 | 0.1423 | 0.065* | |
N2 | 0.0942 (3) | −0.0310 (3) | 0.0148 (2) | 0.0591 (8) | |
O1 | 0.1613 (3) | 0.2405 (2) | 0.02619 (18) | 0.0664 (7) | |
C1 | 0.1877 (3) | 0.1650 (3) | 0.0965 (2) | 0.0469 (7) | |
C2 | 0.2512 (3) | 0.2288 (3) | 0.1861 (2) | 0.0476 (8) | |
C3 | 0.2322 (4) | 0.3730 (4) | 0.1997 (3) | 0.0691 (10) | |
H3 | 0.1785 | 0.4244 | 0.1558 | 0.083* | |
C4 | 0.2925 (5) | 0.4407 (5) | 0.2780 (4) | 0.0879 (14) | |
H4 | 0.2800 | 0.5374 | 0.2860 | 0.106* | |
C5 | 0.3704 (5) | 0.3662 (5) | 0.3435 (3) | 0.0850 (13) | |
H5 | 0.4090 | 0.4120 | 0.3967 | 0.102* | |
C6 | 0.3921 (5) | 0.2236 (5) | 0.3311 (3) | 0.0837 (13) | |
H6 | 0.4468 | 0.1733 | 0.3751 | 0.100* | |
C7 | 0.3317 (4) | 0.1553 (4) | 0.2525 (3) | 0.0660 (10) | |
H7 | 0.3456 | 0.0588 | 0.2444 | 0.079* | |
C8 | 0.0953 (3) | −0.1653 (4) | 0.0023 (3) | 0.0571 (9) | |
C9 | 0.0175 (4) | −0.2201 (4) | −0.0853 (3) | 0.0760 (12) | |
H9A | −0.0581 | −0.2823 | −0.0648 | 0.091* | |
H9B | −0.0242 | −0.1415 | −0.1200 | 0.091* | |
C10 | 0.1162 (5) | −0.2993 (5) | −0.1514 (4) | 0.0919 (14) | |
H10A | 0.1828 | −0.2336 | −0.1800 | 0.110* | |
H10B | 0.0622 | −0.3421 | −0.2032 | 0.110* | |
C11 | 0.1973 (5) | −0.4143 (5) | −0.0971 (4) | 0.0898 (14) | |
H11A | 0.1320 | −0.4873 | −0.0767 | 0.108* | |
H11B | 0.2659 | −0.4570 | −0.1401 | 0.108* | |
C12 | 0.2727 (5) | −0.3556 (4) | −0.0097 (3) | 0.0824 (13) | |
H12A | 0.3473 | −0.2927 | −0.0310 | 0.099* | |
H12B | 0.3162 | −0.4327 | 0.0255 | 0.099* | |
C13 | 0.1736 (5) | −0.2748 (4) | 0.0584 (3) | 0.0719 (11) | |
H13A | 0.1073 | −0.3397 | 0.0880 | 0.086* | |
H13B | 0.2280 | −0.2301 | 0.1093 | 0.086* |
U11 | U22 | U33 | U12 | U13 | U23 | |
N1 | 0.0677 (17) | 0.0506 (16) | 0.0435 (16) | −0.0033 (12) | −0.0078 (14) | 0.0016 (13) |
N2 | 0.0676 (18) | 0.0586 (17) | 0.0510 (18) | −0.0012 (14) | −0.0130 (14) | −0.0043 (15) |
O1 | 0.0879 (17) | 0.0622 (14) | 0.0491 (16) | −0.0017 (12) | −0.0084 (13) | 0.0105 (13) |
C1 | 0.0479 (17) | 0.0524 (19) | 0.040 (2) | 0.0022 (14) | 0.0066 (15) | 0.0005 (16) |
C2 | 0.0538 (18) | 0.0502 (18) | 0.0389 (19) | −0.0028 (15) | 0.0075 (15) | −0.0034 (15) |
C3 | 0.084 (3) | 0.059 (2) | 0.065 (3) | 0.0076 (18) | 0.001 (2) | −0.0094 (19) |
C4 | 0.106 (3) | 0.066 (3) | 0.092 (4) | 0.001 (2) | 0.005 (3) | −0.029 (3) |
C5 | 0.102 (3) | 0.097 (3) | 0.056 (3) | −0.016 (3) | −0.003 (3) | −0.024 (3) |
C6 | 0.102 (3) | 0.087 (3) | 0.061 (3) | −0.008 (2) | −0.023 (2) | −0.006 (2) |
C7 | 0.077 (2) | 0.063 (2) | 0.058 (2) | −0.0037 (19) | −0.011 (2) | −0.0024 (19) |
C8 | 0.063 (2) | 0.055 (2) | 0.053 (2) | −0.0060 (16) | 0.0021 (17) | −0.0048 (17) |
C9 | 0.083 (3) | 0.069 (2) | 0.076 (3) | −0.009 (2) | −0.020 (2) | −0.013 (2) |
C10 | 0.123 (4) | 0.090 (3) | 0.062 (3) | −0.016 (3) | −0.009 (3) | −0.022 (3) |
C11 | 0.103 (3) | 0.079 (3) | 0.088 (4) | −0.005 (2) | 0.020 (3) | −0.024 (3) |
C12 | 0.089 (3) | 0.072 (2) | 0.086 (3) | 0.009 (2) | 0.005 (3) | −0.006 (2) |
C13 | 0.097 (3) | 0.064 (2) | 0.055 (2) | 0.006 (2) | 0.000 (2) | 0.0009 (19) |
N1—C1 | 1.350 (4) | C8—C13 | 1.493 (5) |
N1—N2 | 1.412 (4) | C8—C9 | 1.511 (5) |
N1—H1 | 0.8600 | C9—C10 | 1.508 (6) |
N2—C8 | 1.283 (4) | C9—H9A | 0.9700 |
O1—C1 | 1.234 (4) | C9—H9B | 0.9700 |
C1—C2 | 1.506 (4) | C10—C11 | 1.530 (7) |
C2—C7 | 1.382 (5) | C10—H10A | 0.9700 |
C2—C3 | 1.390 (4) | C10—H10B | 0.9700 |
C3—C4 | 1.383 (6) | C11—C12 | 1.511 (6) |
C3—H3 | 0.9300 | C11—H11A | 0.9700 |
C4—C5 | 1.366 (7) | C11—H11B | 0.9700 |
C4—H4 | 0.9300 | C12—C13 | 1.535 (5) |
C5—C6 | 1.377 (6) | C12—H12A | 0.9700 |
C5—H5 | 0.9300 | C12—H12B | 0.9700 |
C6—C7 | 1.390 (5) | C13—H13A | 0.9700 |
C6—H6 | 0.9300 | C13—H13B | 0.9700 |
C7—H7 | 0.9300 | ||
C1—N1—N2 | 116.3 (3) | C10—C9—H9A | 109.5 |
C1—N1—H1 | 121.8 | C8—C9—H9A | 109.5 |
N2—N1—H1 | 121.8 | C10—C9—H9B | 109.5 |
C8—N2—N1 | 118.0 (3) | C8—C9—H9B | 109.5 |
O1—C1—N1 | 122.5 (3) | H9A—C9—H9B | 108.0 |
O1—C1—C2 | 119.9 (3) | C9—C10—C11 | 111.5 (4) |
N1—C1—C2 | 117.6 (3) | C9—C10—H10A | 109.3 |
C7—C2—C3 | 118.4 (3) | C11—C10—H10A | 109.3 |
C7—C2—C1 | 124.5 (3) | C9—C10—H10B | 109.3 |
C3—C2—C1 | 117.0 (3) | C11—C10—H10B | 109.3 |
C4—C3—C2 | 120.5 (4) | H10A—C10—H10B | 108.0 |
C4—C3—H3 | 119.7 | C12—C11—C10 | 111.7 (4) |
C2—C3—H3 | 119.7 | C12—C11—H11A | 109.3 |
C5—C4—C3 | 120.3 (4) | C10—C11—H11A | 109.3 |
C5—C4—H4 | 119.9 | C12—C11—H11B | 109.3 |
C3—C4—H4 | 119.9 | C10—C11—H11B | 109.3 |
C4—C5—C6 | 120.3 (4) | H11A—C11—H11B | 107.9 |
C4—C5—H5 | 119.8 | C11—C12—C13 | 112.8 (3) |
C6—C5—H5 | 119.8 | C11—C12—H12A | 109.0 |
C5—C6—C7 | 119.5 (4) | C13—C12—H12A | 109.0 |
C5—C6—H6 | 120.3 | C11—C12—H12B | 109.0 |
C7—C6—H6 | 120.3 | C13—C12—H12B | 109.0 |
C2—C7—C6 | 120.9 (4) | H12A—C12—H12B | 107.8 |
C2—C7—H7 | 119.5 | C8—C13—C12 | 109.2 (3) |
C6—C7—H7 | 119.5 | C8—C13—H13A | 109.8 |
N2—C8—C13 | 128.4 (3) | C12—C13—H13A | 109.8 |
N2—C8—C9 | 116.4 (3) | C8—C13—H13B | 109.8 |
C13—C8—C9 | 114.9 (3) | C12—C13—H13B | 109.8 |
C10—C9—C8 | 110.9 (3) | H13A—C13—H13B | 108.3 |
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1···O1i | 0.86 | 2.28 | 3.133 (4) | 172 |
C13—H13B···O1i | 0.97 | 2.41 | 3.264 (5) | 147 |
C7—H7···O1i | 0.93 | 2.35 | 3.137 (5) | 142 |
Symmetry code: (i) y, −x, z+1/4. |
Experimental details
Crystal data | |
Chemical formula | C13H16N2O |
Mr | 216.28 |
Crystal system, space group | Tetragonal, P43 |
Temperature (K) | 298 |
a, c (Å) | 9.4691 (11), 13.8514 (15) |
V (Å3) | 1242.0 (2) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.07 |
Crystal size (mm) | 0.44 × 0.41 × 0.28 |
Data collection | |
Diffractometer | Bruker SMART APEX CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.968, 0.980 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6248, 1145, 860 |
Rint | 0.039 |
(sin θ/λ)max (Å−1) | 0.595 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.038, 0.114, 1.08 |
No. of reflections | 1145 |
No. of parameters | 145 |
No. of restraints | 1 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.12, −0.13 |
Computer programs: SMART (Siemens, 1996), SAINT (Siemens, 1996), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N1—H1···O1i | 0.86 | 2.28 | 3.133 (4) | 172.1 |
C13—H13B···O1i | 0.97 | 2.41 | 3.264 (5) | 147.4 |
C7—H7···O1i | 0.93 | 2.35 | 3.137 (5) | 142.0 |
Symmetry code: (i) y, −x, z+1/4. |
Acknowledgements
This project was supported by the Foundation of Dongchang College, Liaocheng University (grant No. LG0801).
References
Fan, C.-G. & Song, M.-Z. (2009). Acta Cryst. E65, o2679. Web of Science CrossRef IUCr Journals Google Scholar
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Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany. Google Scholar
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
In continuation of our structural study of benzohydrazide derivatives (Kong et al., 2009; Fan & Song, 2009), we present here the title compound, (I).
In (I) (Fig. 1), the bond lengths and angles are normal and comparable to those observed in the analogue compounds (Nie, 2008; Fun et al., 2008). The C8=N2 bond length is 1.283 (4) ° showing the double-bond character. The dihedral angle between the benzene ring C2—C7 and the plane C1/N1/N2 is 19.0 (3) °
In the crystal structure, intermolecular N—H···O and C—H..O hydrogen bonds (Table 1) link the molecules into chains propagated in direction [001].