organic compounds
3-Chloro-N′-(2-chloro-5-nitrobenzylidene)benzohydrazide
aExperimental Center, Linyi University, Linyi Shandong 276005, People's Republic of China
*Correspondence e-mail: zhangzhen_lynu@126.com
The title molecule, C14H9Cl2N3O3, has an E configuration with respect to the methylidene unit. The dihedral angle between the mean planes of the two benzene rings is 12.3 (3)°. In the crystal, molecules are linked via bifurcated N—H⋯(O, N) hydrogen bonds into chains along [001].
Related literature
For the biological applications of hydrazone compounds, see: Ajani et al. (2010); Avaji et al. (2009); Fan et al. (2010); Rasras et al. (2010). For related hydrazone structures, see: Zhang (2011a,b); Ahmad et al. (2010); Ban (2010); Ji & Lu (2010); Shalash et al. (2010).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2009); cell SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supporting information
10.1107/S160053681102157X/lh5264sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S160053681102157X/lh5264Isup2.hkl
Supporting information file. DOI: 10.1107/S160053681102157X/lh5264Isup3.cml
A methanol solution (50 ml) of 3-chlorobenzohydrazide (0.01 mol) and 2-chloro-5-nitrobenzaldehyde (0.01 mol) was stirred at room temperature for 30 min to give a yellow solution. Yellow block-shaped single crystals suitable for X-ray diffraction were formed by slow evaporation of the solution in air.
The amino atom, H2, was located in a difference Fourier map and refined isotropically, with the N—H distance restrained to 0.90 (1) Å. The remaining H atoms were positioned geometrically and refined using the riding-model approximation, with C—H = 0.93 Å, and with Uiso(H) = 1.2Ueq(C).
Data collection: APEX2 (Bruker, 2009); cell
SAINT (Bruker, 2009); data reduction: SAINT (Bruker, 2009); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008).C14H9Cl2N3O3 | F(000) = 688 |
Mr = 338.14 | Dx = 1.517 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 814 reflections |
a = 7.770 (2) Å | θ = 2.6–24.5° |
b = 24.254 (6) Å | µ = 0.45 mm−1 |
c = 7.889 (2) Å | T = 298 K |
β = 95.383 (3)° | Block, yellow |
V = 1480.1 (7) Å3 | 0.32 × 0.30 × 0.30 mm |
Z = 4 |
Bruker SMART APEX CCD diffractometer | 3016 independent reflections |
Radiation source: fine-focus sealed tube | 1607 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.055 |
ω scans | θmax = 26.5°, θmin = 2.6° |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | h = −5→9 |
Tmin = 0.868, Tmax = 0.876 | k = −30→30 |
7538 measured reflections | l = −9→9 |
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)] = 0.060 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.152 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0443P)2 + 0.2711P] where P = (Fo2 + 2Fc2)/3 |
3016 reflections | (Δ/σ)max < 0.001 |
202 parameters | Δρmax = 0.23 e Å−3 |
1 restraint | Δρmin = −0.24 e Å−3 |
C14H9Cl2N3O3 | V = 1480.1 (7) Å3 |
Mr = 338.14 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 7.770 (2) Å | µ = 0.45 mm−1 |
b = 24.254 (6) Å | T = 298 K |
c = 7.889 (2) Å | 0.32 × 0.30 × 0.30 mm |
β = 95.383 (3)° |
Bruker SMART APEX CCD diffractometer | 3016 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2009) | 1607 reflections with I > 2σ(I) |
Tmin = 0.868, Tmax = 0.876 | Rint = 0.055 |
7538 measured reflections |
R[F2 > 2σ(F2)] = 0.060 | 1 restraint |
wR(F2) = 0.152 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | Δρmax = 0.23 e Å−3 |
3016 reflections | Δρmin = −0.24 e Å−3 |
202 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 | ||
Cl1 | 0.33815 (15) | 0.55819 (4) | 0.48098 (13) | 0.0786 (4) | |
Cl2 | 0.02262 (16) | 0.99758 (4) | 0.26818 (14) | 0.0827 (4) | |
N1 | 0.2837 (3) | 0.72544 (12) | 0.6153 (3) | 0.0429 (7) | |
N2 | 0.1950 (4) | 0.75727 (12) | 0.4918 (3) | 0.0459 (7) | |
N3 | 0.6550 (5) | 0.65111 (19) | 1.1284 (4) | 0.0771 (11) | |
O1 | 0.7009 (5) | 0.61872 (16) | 1.2395 (4) | 0.1306 (15) | |
O2 | 0.6670 (5) | 0.70061 (16) | 1.1441 (4) | 0.1060 (12) | |
O3 | 0.1450 (4) | 0.82247 (10) | 0.6847 (3) | 0.0701 (8) | |
C1 | 0.4302 (4) | 0.64304 (14) | 0.6916 (4) | 0.0425 (8) | |
C2 | 0.4361 (4) | 0.58649 (14) | 0.6668 (4) | 0.0493 (9) | |
C3 | 0.5135 (5) | 0.55147 (15) | 0.7884 (5) | 0.0591 (10) | |
H3 | 0.5166 | 0.5137 | 0.7681 | 0.071* | |
C4 | 0.5859 (5) | 0.57270 (16) | 0.9396 (5) | 0.0602 (10) | |
H4 | 0.6375 | 0.5495 | 1.0235 | 0.072* | |
C5 | 0.5812 (4) | 0.62850 (16) | 0.9653 (4) | 0.0513 (9) | |
C6 | 0.5069 (4) | 0.66400 (14) | 0.8457 (4) | 0.0464 (9) | |
H6 | 0.5073 | 0.7017 | 0.8665 | 0.056* | |
C7 | 0.3405 (4) | 0.67978 (15) | 0.5662 (4) | 0.0469 (9) | |
H7 | 0.3252 | 0.6698 | 0.4519 | 0.056* | |
C8 | 0.1301 (5) | 0.80617 (14) | 0.5386 (4) | 0.0467 (9) | |
C9 | 0.0426 (4) | 0.83855 (13) | 0.3958 (4) | 0.0427 (8) | |
C10 | 0.0624 (4) | 0.89538 (14) | 0.4003 (4) | 0.0475 (9) | |
H10 | 0.1224 | 0.9123 | 0.4938 | 0.057* | |
C11 | −0.0076 (5) | 0.92655 (15) | 0.2651 (4) | 0.0520 (9) | |
C12 | −0.1003 (5) | 0.90243 (17) | 0.1273 (5) | 0.0587 (10) | |
H12 | −0.1459 | 0.9239 | 0.0362 | 0.070* | |
C13 | −0.1246 (5) | 0.84646 (16) | 0.1259 (4) | 0.0574 (10) | |
H13 | −0.1891 | 0.8300 | 0.0342 | 0.069* | |
C14 | −0.0544 (4) | 0.81411 (15) | 0.2593 (4) | 0.0472 (9) | |
H14 | −0.0720 | 0.7762 | 0.2576 | 0.057* | |
H2 | 0.193 (4) | 0.7439 (12) | 0.386 (2) | 0.057* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0933 (9) | 0.0746 (7) | 0.0636 (7) | 0.0081 (6) | −0.0147 (6) | −0.0264 (6) |
Cl2 | 0.1195 (10) | 0.0564 (7) | 0.0692 (7) | 0.0114 (6) | −0.0070 (7) | 0.0126 (5) |
N1 | 0.0476 (17) | 0.0491 (17) | 0.0306 (15) | 0.0043 (14) | −0.0040 (13) | 0.0048 (13) |
N2 | 0.0595 (19) | 0.0541 (19) | 0.0229 (14) | 0.0092 (15) | −0.0032 (13) | 0.0008 (13) |
N3 | 0.084 (3) | 0.092 (3) | 0.050 (2) | 0.005 (2) | −0.0218 (19) | 0.002 (2) |
O1 | 0.195 (4) | 0.126 (3) | 0.058 (2) | 0.012 (3) | −0.058 (2) | 0.018 (2) |
O2 | 0.134 (3) | 0.094 (3) | 0.080 (2) | 0.007 (2) | −0.044 (2) | −0.024 (2) |
O3 | 0.114 (2) | 0.0647 (17) | 0.0285 (13) | 0.0229 (16) | −0.0129 (14) | −0.0066 (12) |
C1 | 0.041 (2) | 0.051 (2) | 0.0342 (18) | 0.0037 (16) | −0.0001 (15) | −0.0010 (15) |
C2 | 0.051 (2) | 0.054 (2) | 0.041 (2) | 0.0050 (18) | −0.0016 (17) | −0.0074 (17) |
C3 | 0.070 (3) | 0.047 (2) | 0.060 (3) | 0.0069 (19) | 0.001 (2) | 0.0013 (18) |
C4 | 0.066 (3) | 0.061 (3) | 0.052 (2) | 0.008 (2) | −0.003 (2) | 0.013 (2) |
C5 | 0.048 (2) | 0.064 (3) | 0.039 (2) | 0.0007 (18) | −0.0092 (17) | 0.0020 (18) |
C6 | 0.046 (2) | 0.052 (2) | 0.040 (2) | 0.0069 (17) | −0.0018 (17) | −0.0033 (16) |
C7 | 0.054 (2) | 0.056 (2) | 0.0293 (18) | 0.0050 (19) | −0.0023 (16) | −0.0036 (16) |
C8 | 0.056 (2) | 0.049 (2) | 0.034 (2) | 0.0029 (18) | −0.0014 (17) | 0.0023 (16) |
C9 | 0.047 (2) | 0.052 (2) | 0.0289 (18) | 0.0104 (17) | −0.0008 (15) | 0.0027 (15) |
C10 | 0.058 (2) | 0.054 (2) | 0.0304 (19) | 0.0052 (18) | −0.0012 (16) | −0.0006 (16) |
C11 | 0.060 (2) | 0.055 (2) | 0.040 (2) | 0.0103 (19) | 0.0020 (18) | 0.0079 (17) |
C12 | 0.060 (3) | 0.074 (3) | 0.040 (2) | 0.018 (2) | −0.0058 (19) | 0.0102 (19) |
C13 | 0.061 (2) | 0.074 (3) | 0.034 (2) | 0.010 (2) | −0.0105 (18) | −0.0010 (19) |
C14 | 0.049 (2) | 0.055 (2) | 0.0365 (19) | 0.0067 (17) | 0.0002 (17) | −0.0011 (16) |
Cl1—C2 | 1.729 (3) | C4—C5 | 1.370 (5) |
Cl2—C11 | 1.738 (4) | C4—H4 | 0.9300 |
N1—C7 | 1.266 (4) | C5—C6 | 1.365 (4) |
N1—N2 | 1.376 (3) | C6—H6 | 0.9300 |
N2—C8 | 1.354 (4) | C7—H7 | 0.9300 |
N2—H2 | 0.893 (10) | C8—C9 | 1.485 (4) |
N3—O1 | 1.206 (4) | C9—C10 | 1.387 (4) |
N3—O2 | 1.210 (4) | C9—C14 | 1.388 (4) |
N3—C5 | 1.465 (5) | C10—C11 | 1.377 (4) |
O3—C8 | 1.214 (4) | C10—H10 | 0.9300 |
C1—C2 | 1.387 (5) | C11—C12 | 1.377 (5) |
C1—C6 | 1.398 (4) | C12—C13 | 1.371 (5) |
C1—C7 | 1.460 (4) | C12—H12 | 0.9300 |
C2—C3 | 1.377 (5) | C13—C14 | 1.383 (4) |
C3—C4 | 1.371 (5) | C13—H13 | 0.9300 |
C3—H3 | 0.9300 | C14—H14 | 0.9300 |
C7—N1—N2 | 116.1 (3) | N1—C7—C1 | 119.0 (3) |
C8—N2—N1 | 118.2 (3) | N1—C7—H7 | 120.5 |
C8—N2—H2 | 127 (2) | C1—C7—H7 | 120.5 |
N1—N2—H2 | 115 (2) | O3—C8—N2 | 122.7 (3) |
O1—N3—O2 | 123.9 (4) | O3—C8—C9 | 123.0 (3) |
O1—N3—C5 | 117.3 (4) | N2—C8—C9 | 114.3 (3) |
O2—N3—C5 | 118.8 (3) | C10—C9—C14 | 119.7 (3) |
C2—C1—C6 | 117.7 (3) | C10—C9—C8 | 117.7 (3) |
C2—C1—C7 | 121.9 (3) | C14—C9—C8 | 122.6 (3) |
C6—C1—C7 | 120.3 (3) | C11—C10—C9 | 119.4 (3) |
C3—C2—C1 | 122.0 (3) | C11—C10—H10 | 120.3 |
C3—C2—Cl1 | 118.3 (3) | C9—C10—H10 | 120.3 |
C1—C2—Cl1 | 119.7 (3) | C12—C11—C10 | 121.2 (4) |
C4—C3—C2 | 119.4 (3) | C12—C11—Cl2 | 119.5 (3) |
C4—C3—H3 | 120.3 | C10—C11—Cl2 | 119.4 (3) |
C2—C3—H3 | 120.3 | C13—C12—C11 | 119.3 (3) |
C5—C4—C3 | 119.1 (3) | C13—C12—H12 | 120.4 |
C5—C4—H4 | 120.5 | C11—C12—H12 | 120.4 |
C3—C4—H4 | 120.5 | C12—C13—C14 | 120.8 (3) |
C6—C5—C4 | 122.4 (3) | C12—C13—H13 | 119.6 |
C6—C5—N3 | 118.5 (4) | C14—C13—H13 | 119.6 |
C4—C5—N3 | 119.1 (3) | C13—C14—C9 | 119.7 (3) |
C5—C6—C1 | 119.3 (3) | C13—C14—H14 | 120.2 |
C5—C6—H6 | 120.3 | C9—C14—H14 | 120.2 |
C1—C6—H6 | 120.3 |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2···N1i | 0.89 (1) | 2.43 (2) | 3.139 (4) | 137 (3) |
N2—H2···O3i | 0.89 (1) | 2.27 (2) | 3.095 (4) | 154 (3) |
Symmetry code: (i) x, −y+3/2, z−1/2. |
Experimental details
Crystal data | |
Chemical formula | C14H9Cl2N3O3 |
Mr | 338.14 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 298 |
a, b, c (Å) | 7.770 (2), 24.254 (6), 7.889 (2) |
β (°) | 95.383 (3) |
V (Å3) | 1480.1 (7) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.45 |
Crystal size (mm) | 0.32 × 0.30 × 0.30 |
Data collection | |
Diffractometer | Bruker SMART APEX CCD diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2009) |
Tmin, Tmax | 0.868, 0.876 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 7538, 3016, 1607 |
Rint | 0.055 |
(sin θ/λ)max (Å−1) | 0.628 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.060, 0.152, 1.04 |
No. of reflections | 3016 |
No. of parameters | 202 |
No. of restraints | 1 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.23, −0.24 |
Computer programs: APEX2 (Bruker, 2009), SAINT (Bruker, 2009), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2···N1i | 0.893 (10) | 2.43 (2) | 3.139 (4) | 137 (3) |
N2—H2···O3i | 0.893 (10) | 2.267 (17) | 3.095 (4) | 154 (3) |
Symmetry code: (i) x, −y+3/2, z−1/2. |
Acknowledgements
The author acknowledges the Experimental Center of Linyi University for supporting this work.
References
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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.
Hydrazone compounds have received much attention due to their potential applications in biological chemistry (Ajani et al., 2010; Avaji et al., 2009; Fan et al., 2010; Rasras et al., 2010). As a continuation of our work related to hydrazone compounds, the crystal structure of the title compound is reported herein.
The molecule is in a E configuration with respect to the methylidene unit (Fig. 1). The bond lengths are comparable to those observed in similar hydrazone compounds (Zhang, 2011a,b; Ahmad et al., 2010; Ban, 2010; Ji & Lu, 2010; Shalash et al., 2010). The dihedral angle between the mean planes of the two benzene rings is 12.3 (3)°. In the crystal, molecules are linked via bifurcated N—H···(O, N) hydrogen bonds to from chains along [001] (Table 1, Fig. 2).