organic compounds
N′-(2-Chloro-5-nitrobenzylidene)-3-hydroxybenzohydrazide methanol solvate
aDepartment of Chemistry, Kaili College, Kaili Guizhou 556000, People's Republic of China
*Correspondence e-mail: zhou82zhi@126.com
In the title compound, C14H10ClN3O4·CH3OH, the dihedral angle between the two benzene rings is 33.9 (2)°. In the the methanol solvent molecules are linked to the Schiff base molecules through intermolecular N—H⋯O and O—H⋯O hydrogen bonds. Molecules are further linked through intermolecular O—H⋯O and O—H⋯N hydrogen bonds, forming chains running along the b axis.
Related literature
For related structures, see: Zhou & Tang (2007); Zhou & Xiao (2007). For related literature, see: Ali et al. (2007); Butcher et al. (2007); He (2008); Jing & Yu (2007); Nie (2008).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 2007); cell SAINT (Bruker, 2007); 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/S1600536808019636/rz2226sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808019636/rz2226Isup2.hkl
2-Chloro-5-nitrobenzaldehyde (1.0 mmol, 167.1 mg) and 3-hydroxybenzohydrazide (1.0 mmol, 152.1 mg) were dissolved in methanol (30 ml). The mixture was stirred at reflux for 30 min to give a colourless solution. After keeping the solution in air for a few days, colourless block-shaped crystals were formed.
H3B was located in a difference Fourier map and refined isotropically, with Uiso(H) fixed at 0.08 Å2. Other H atoms were positioned geometrically and refined using a riding model with O–H = 0.92 Å, C–H = 0.93-0.96 Å, and with Uiso(H) = 1.2 or 1.5Ueq(C, O).
Data collection: SMART (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); 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).C14H10ClN3O4·CH4O | F(000) = 728 |
Mr = 351.74 | Dx = 1.458 Mg m−3 |
Monoclinic, P21/c | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2ybc | Cell parameters from 2947 reflections |
a = 7.716 (3) Å | θ = 2.3–24.5° |
b = 11.945 (2) Å | µ = 0.27 mm−1 |
c = 17.650 (3) Å | T = 298 K |
β = 99.886 (2)° | Block, colourless |
V = 1602.6 (7) Å3 | 0.27 × 0.23 × 0.22 mm |
Z = 4 |
Bruker SMART CCD area-detector diffractometer | 3316 independent reflections |
Radiation source: fine-focus sealed tube | 2396 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.034 |
ω scans | θmax = 26.5°, θmin = 2.1° |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | h = −9→9 |
Tmin = 0.931, Tmax = 0.943 | k = −14→14 |
12656 measured reflections | l = −21→22 |
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)] = 0.045 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.121 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.01 | w = 1/[σ2(Fo2) + (0.0596P)2 + 0.2859P] where P = (Fo2 + 2Fc2)/3 |
3316 reflections | (Δ/σ)max < 0.001 |
223 parameters | Δρmax = 0.18 e Å−3 |
0 restraints | Δρmin = −0.22 e Å−3 |
C14H10ClN3O4·CH4O | V = 1602.6 (7) Å3 |
Mr = 351.74 | Z = 4 |
Monoclinic, P21/c | Mo Kα radiation |
a = 7.716 (3) Å | µ = 0.27 mm−1 |
b = 11.945 (2) Å | T = 298 K |
c = 17.650 (3) Å | 0.27 × 0.23 × 0.22 mm |
β = 99.886 (2)° |
Bruker SMART CCD area-detector diffractometer | 3316 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2001) | 2396 reflections with I > 2σ(I) |
Tmin = 0.931, Tmax = 0.943 | Rint = 0.034 |
12656 measured reflections |
R[F2 > 2σ(F2)] = 0.045 | 0 restraints |
wR(F2) = 0.121 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.01 | Δρmax = 0.18 e Å−3 |
3316 reflections | Δρmin = −0.22 e Å−3 |
223 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 | 0.27705 (9) | 0.68944 (5) | 0.42450 (4) | 0.0774 (2) | |
O1 | −0.1188 (3) | 1.16001 (18) | 0.30340 (10) | 0.0978 (7) | |
O2 | 0.0033 (3) | 1.21390 (16) | 0.41618 (12) | 0.0859 (6) | |
O3 | 0.4707 (2) | 1.09327 (11) | 0.70885 (8) | 0.0623 (4) | |
O4 | 0.6995 (2) | 0.71117 (11) | 0.91382 (8) | 0.0607 (4) | |
H4 | 0.6479 | 0.6690 | 0.8808 | 0.091* | |
O5 | 0.6192 (3) | 0.69826 (13) | 0.66034 (11) | 0.0897 (6) | |
H5 | 0.5907 | 0.6645 | 0.6968 | 0.135* | |
N1 | −0.0240 (3) | 1.14400 (19) | 0.36561 (12) | 0.0652 (5) | |
N2 | 0.3857 (2) | 0.95587 (12) | 0.58923 (8) | 0.0428 (4) | |
N3 | 0.4964 (2) | 0.92397 (13) | 0.65533 (9) | 0.0424 (4) | |
C1 | 0.2405 (2) | 0.90699 (16) | 0.46380 (10) | 0.0439 (5) | |
C2 | 0.1934 (3) | 0.82357 (18) | 0.40857 (12) | 0.0534 (5) | |
C3 | 0.0788 (3) | 0.8448 (2) | 0.34054 (13) | 0.0684 (7) | |
H3 | 0.0502 | 0.7880 | 0.3045 | 0.082* | |
C4 | 0.0082 (3) | 0.9485 (2) | 0.32639 (12) | 0.0663 (7) | |
H4A | −0.0690 | 0.9633 | 0.2810 | 0.080* | |
C5 | 0.0531 (3) | 1.03136 (19) | 0.38052 (11) | 0.0533 (5) | |
C6 | 0.1661 (3) | 1.01296 (17) | 0.44857 (10) | 0.0468 (5) | |
H6 | 0.1927 | 1.0705 | 0.4841 | 0.056* | |
C7 | 0.3601 (3) | 0.88397 (16) | 0.53602 (11) | 0.0460 (5) | |
H7 | 0.4179 | 0.8154 | 0.5428 | 0.055* | |
C8 | 0.5280 (2) | 0.99647 (15) | 0.71415 (10) | 0.0429 (4) | |
C9 | 0.6354 (2) | 0.95567 (15) | 0.78653 (10) | 0.0409 (4) | |
C10 | 0.6158 (2) | 0.84831 (15) | 0.81342 (10) | 0.0414 (4) | |
H10 | 0.5366 | 0.7992 | 0.7849 | 0.050* | |
C11 | 0.7141 (3) | 0.81385 (16) | 0.88285 (11) | 0.0451 (5) | |
C12 | 0.8325 (3) | 0.88781 (18) | 0.92424 (11) | 0.0536 (5) | |
H12 | 0.9003 | 0.8652 | 0.9704 | 0.064* | |
C13 | 0.8499 (3) | 0.99430 (19) | 0.89738 (12) | 0.0591 (6) | |
H13 | 0.9295 | 1.0432 | 0.9259 | 0.071* | |
C14 | 0.7518 (3) | 1.03021 (17) | 0.82898 (11) | 0.0511 (5) | |
H14 | 0.7633 | 1.1029 | 0.8116 | 0.061* | |
C15 | 0.6536 (4) | 0.6218 (2) | 0.60542 (17) | 0.0899 (9) | |
H15A | 0.6769 | 0.6613 | 0.5609 | 0.135* | |
H15B | 0.5535 | 0.5739 | 0.5911 | 0.135* | |
H15C | 0.7542 | 0.5775 | 0.6263 | 0.135* | |
H3B | 0.538 (3) | 0.862 (2) | 0.6593 (14) | 0.080* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0721 (4) | 0.0661 (4) | 0.0918 (5) | 0.0006 (3) | 0.0077 (3) | −0.0362 (3) |
O1 | 0.1037 (15) | 0.1191 (16) | 0.0612 (11) | 0.0065 (12) | −0.0124 (10) | 0.0357 (11) |
O2 | 0.0977 (14) | 0.0643 (11) | 0.0857 (13) | 0.0020 (10) | −0.0123 (11) | 0.0069 (10) |
O3 | 0.0989 (12) | 0.0348 (8) | 0.0464 (8) | 0.0086 (7) | −0.0068 (8) | −0.0028 (6) |
O4 | 0.0881 (12) | 0.0414 (8) | 0.0441 (8) | −0.0011 (7) | −0.0130 (7) | 0.0061 (6) |
O5 | 0.1570 (19) | 0.0489 (10) | 0.0750 (12) | 0.0195 (10) | 0.0527 (12) | 0.0041 (8) |
N1 | 0.0607 (12) | 0.0783 (14) | 0.0543 (12) | −0.0043 (10) | 0.0038 (10) | 0.0231 (11) |
N2 | 0.0519 (10) | 0.0387 (8) | 0.0355 (8) | −0.0009 (7) | 0.0013 (7) | −0.0009 (7) |
N3 | 0.0523 (10) | 0.0363 (8) | 0.0357 (8) | 0.0010 (7) | −0.0005 (7) | −0.0004 (7) |
C1 | 0.0437 (11) | 0.0531 (12) | 0.0356 (10) | −0.0079 (8) | 0.0087 (8) | −0.0059 (8) |
C2 | 0.0507 (12) | 0.0624 (13) | 0.0489 (12) | −0.0078 (10) | 0.0132 (10) | −0.0157 (10) |
C3 | 0.0644 (15) | 0.0928 (19) | 0.0463 (13) | −0.0128 (14) | 0.0050 (11) | −0.0305 (13) |
C4 | 0.0610 (14) | 0.097 (2) | 0.0378 (11) | −0.0051 (13) | 0.0000 (10) | −0.0035 (12) |
C5 | 0.0506 (12) | 0.0699 (14) | 0.0396 (11) | −0.0102 (10) | 0.0080 (9) | 0.0053 (10) |
C6 | 0.0508 (11) | 0.0549 (12) | 0.0343 (10) | −0.0117 (9) | 0.0061 (8) | −0.0001 (8) |
C7 | 0.0541 (12) | 0.0415 (10) | 0.0413 (10) | −0.0005 (9) | 0.0054 (9) | −0.0035 (8) |
C8 | 0.0526 (11) | 0.0343 (10) | 0.0403 (10) | −0.0041 (8) | 0.0041 (9) | −0.0002 (8) |
C9 | 0.0476 (11) | 0.0382 (10) | 0.0359 (9) | −0.0012 (8) | 0.0041 (8) | −0.0030 (7) |
C10 | 0.0477 (11) | 0.0377 (10) | 0.0359 (10) | −0.0013 (8) | −0.0012 (8) | −0.0065 (8) |
C11 | 0.0540 (12) | 0.0415 (11) | 0.0376 (10) | 0.0039 (8) | 0.0020 (9) | −0.0016 (8) |
C12 | 0.0553 (13) | 0.0621 (13) | 0.0379 (10) | −0.0032 (10) | −0.0075 (9) | −0.0019 (9) |
C13 | 0.0626 (14) | 0.0634 (14) | 0.0462 (12) | −0.0232 (11) | −0.0049 (10) | −0.0094 (10) |
C14 | 0.0627 (13) | 0.0434 (11) | 0.0449 (11) | −0.0141 (9) | 0.0026 (10) | −0.0020 (9) |
C15 | 0.109 (2) | 0.0755 (18) | 0.095 (2) | 0.0083 (16) | 0.0456 (18) | −0.0195 (16) |
Cl1—C2 | 1.732 (2) | C4—C5 | 1.378 (3) |
O1—N1 | 1.225 (2) | C4—H4A | 0.9300 |
O2—N1 | 1.214 (3) | C5—C6 | 1.375 (3) |
O3—C8 | 1.236 (2) | C6—H6 | 0.9300 |
O4—C11 | 1.355 (2) | C7—H7 | 0.9300 |
O4—H4 | 0.8200 | C8—C9 | 1.481 (2) |
O5—C15 | 1.390 (3) | C9—C10 | 1.385 (3) |
O5—H5 | 0.8200 | C9—C14 | 1.389 (3) |
N1—C5 | 1.477 (3) | C10—C11 | 1.388 (3) |
N2—C7 | 1.263 (2) | C10—H10 | 0.9300 |
N2—N3 | 1.376 (2) | C11—C12 | 1.385 (3) |
N3—C8 | 1.342 (2) | C12—C13 | 1.372 (3) |
N3—H3B | 0.81 (3) | C12—H12 | 0.9300 |
C1—C6 | 1.397 (3) | C13—C14 | 1.379 (3) |
C1—C2 | 1.398 (3) | C13—H13 | 0.9300 |
C1—C7 | 1.466 (3) | C14—H14 | 0.9300 |
C2—C3 | 1.387 (3) | C15—H15A | 0.9600 |
C3—C4 | 1.358 (4) | C15—H15B | 0.9600 |
C3—H3 | 0.9300 | C15—H15C | 0.9600 |
C11—O4—H4 | 109.5 | C1—C7—H7 | 119.5 |
C15—O5—H5 | 109.5 | O3—C8—N3 | 122.02 (17) |
O2—N1—O1 | 123.6 (2) | O3—C8—C9 | 120.89 (16) |
O2—N1—C5 | 118.83 (18) | N3—C8—C9 | 117.09 (16) |
O1—N1—C5 | 117.5 (2) | C10—C9—C14 | 120.50 (17) |
C7—N2—N3 | 115.93 (16) | C10—C9—C8 | 121.50 (16) |
C8—N3—N2 | 118.75 (15) | C14—C9—C8 | 117.94 (17) |
C8—N3—H3B | 120.6 (18) | C9—C10—C11 | 120.11 (17) |
N2—N3—H3B | 120.6 (18) | C9—C10—H10 | 119.9 |
C6—C1—C2 | 117.57 (18) | C11—C10—H10 | 119.9 |
C6—C1—C7 | 120.92 (17) | O4—C11—C12 | 117.23 (17) |
C2—C1—C7 | 121.49 (18) | O4—C11—C10 | 123.60 (17) |
C3—C2—C1 | 121.6 (2) | C12—C11—C10 | 119.16 (18) |
C3—C2—Cl1 | 118.32 (17) | C13—C12—C11 | 120.26 (18) |
C1—C2—Cl1 | 120.09 (16) | C13—C12—H12 | 119.9 |
C4—C3—C2 | 120.1 (2) | C11—C12—H12 | 119.9 |
C4—C3—H3 | 119.9 | C12—C13—C14 | 121.29 (18) |
C2—C3—H3 | 119.9 | C12—C13—H13 | 119.4 |
C3—C4—C5 | 118.8 (2) | C14—C13—H13 | 119.4 |
C3—C4—H4A | 120.6 | C13—C14—C9 | 118.66 (19) |
C5—C4—H4A | 120.6 | C13—C14—H14 | 120.7 |
C6—C5—C4 | 122.5 (2) | C9—C14—H14 | 120.7 |
C6—C5—N1 | 118.48 (19) | O5—C15—H15A | 109.5 |
C4—C5—N1 | 119.0 (2) | O5—C15—H15B | 109.5 |
C5—C6—C1 | 119.39 (19) | H15A—C15—H15B | 109.5 |
C5—C6—H6 | 120.3 | O5—C15—H15C | 109.5 |
C1—C6—H6 | 120.3 | H15A—C15—H15C | 109.5 |
N2—C7—C1 | 120.94 (18) | H15B—C15—H15C | 109.5 |
N2—C7—H7 | 119.5 |
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4···O3i | 0.82 | 1.91 | 2.7237 (19) | 169 |
O4—H4···N2i | 0.82 | 2.62 | 3.118 (2) | 120 |
O5—H5···O3i | 0.82 | 2.00 | 2.817 (2) | 175 |
N3—H3B···O5 | 0.81 (3) | 2.05 (3) | 2.854 (2) | 173 (3) |
Symmetry code: (i) −x+1, y−1/2, −z+3/2. |
Experimental details
Crystal data | |
Chemical formula | C14H10ClN3O4·CH4O |
Mr | 351.74 |
Crystal system, space group | Monoclinic, P21/c |
Temperature (K) | 298 |
a, b, c (Å) | 7.716 (3), 11.945 (2), 17.650 (3) |
β (°) | 99.886 (2) |
V (Å3) | 1602.6 (7) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.27 |
Crystal size (mm) | 0.27 × 0.23 × 0.22 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2001) |
Tmin, Tmax | 0.931, 0.943 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 12656, 3316, 2396 |
Rint | 0.034 |
(sin θ/λ)max (Å−1) | 0.628 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.045, 0.121, 1.01 |
No. of reflections | 3316 |
No. of parameters | 223 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.18, −0.22 |
Computer programs: SMART (Bruker, 2007), SAINT (Bruker, 2007), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O4—H4···O3i | 0.82 | 1.91 | 2.7237 (19) | 169.4 |
O4—H4···N2i | 0.82 | 2.62 | 3.118 (2) | 120.4 |
O5—H5···O3i | 0.82 | 2.00 | 2.817 (2) | 175.2 |
N3—H3B···O5 | 0.81 (3) | 2.05 (3) | 2.854 (2) | 173 (3) |
Symmetry code: (i) −x+1, y−1/2, −z+3/2. |
Acknowledgements
The author thanks Kaili College for financial support.
References
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Recently, we have reported two metal complexes with Schiff base ligands (Zhou & Tang, 2007; Zhou & Xiao, 2007). We report herein the crystal structure of the title Schiff base compound (Fig. 1).
The title compound consists of a Schiff base molecule and a methanol molecule of crystallization. The dihedral angle between the two benzene rings is 33.9 (2)°. All bond lengths are comparable to those found in similar compounds (Ali et al., 2007; Nie, 2008; He, 2008; Butcher et al., 2007; Jing & Yu, 2007). In the crystal structure, the methanol molecules are linked to the Schiff base molecules through intermolecular N–H···O and O–H···O hydrogen bonds (Table 1). Molecules are further linked through intermolecular O—H···O and O—H···N hydrogen bonds to form chains running along the b axis (Fig. 2).