organic compounds
3-Chloro-N′-[(2-hydroxynaphthalen-1-yl)methylidene]benzohydrazide
aSchool of Chemical Engineering, Changchun University of Technology, Changchun 130012, People's Republic of China
*Correspondence e-mail: cooperationwell@126.com
The title compound, C18H13ClN2O2, was prepared by the reaction of 2-hydroxy-1-naphthaldehyde with 3-chlorobenzohydrazide in methanol. An intramolecular O—H⋯N hydrogen bond influences the molecular conformation; the benzene ring and naphthyl ring system form a dihedral angle of 17.1 (3)°. In the crystal, intermolecular N—H⋯O hydrogen bonds link the molecules into chains propagated in [101].
Related literature
For Schiff base compounds, see: Bessy et al. (2006); Podyachev et al. (2007); Raj & Kurup (2007); Pouralimardan et al. (2007); Bacchi et al. (2006); Dinda et al. (2002). For reference bond lengths, see: Allen et al. (1987). For details of the synthesis, see: Zhu (2010).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2005); cell SAINT (Bruker, 2005); 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/S1600536811000912/cv5033sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536811000912/cv5033Isup2.hkl
The compound was prepared and crystallized according to the literature method (Zhu, 2010). 2-Hydroxy-1-naphthaldehyde (0.172 g, 1 mmol) and 3-chlorobenzohydrazide (0.171 g, 1 mmol) were dissolved in 30 ml absolute methanol. The mixture was stirred at reflux for 10 min, and cooled to room temperature. The clear colorless solution was left to slow evaporation in air for five days, yielding colorless block-shaped crystals, which were collected by filtration and washed with methanol.
The amino H atom was located from a difference Fourier map and refined isotropically, with the N—H distance restrained to 0.90 (1) Å. The other H atoms were positioned geometrically and refined using the riding-model approximation, with C—H = 0.93 Å, and O—H = 0.82 Å, and Uiso(H) = 1.2Ueq(C) or Uiso(H) = 1.5Ueq(O).
Data collection: APEX2 (Bruker, 2005); cell
SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); 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).C18H13ClN2O2 | F(000) = 672 |
Mr = 324.75 | Dx = 1.399 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
a = 7.158 (2) Å | Cell parameters from 1332 reflections |
b = 30.886 (3) Å | θ = 2.5–24.9° |
c = 7.3733 (12) Å | µ = 0.26 mm−1 |
β = 108.924 (2)° | T = 298 K |
V = 1541.9 (5) Å3 | Block, colorless |
Z = 4 | 0.20 × 0.20 × 0.18 mm |
Bruker APEXII CCD area-detector diffractometer | 3288 independent reflections |
Radiation source: fine-focus sealed tube | 1635 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.062 |
ω scans | θmax = 27.0°, θmin = 2.6° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −9→9 |
Tmin = 0.950, Tmax = 0.955 | k = −32→39 |
8306 measured reflections | l = −9→6 |
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)] = 0.082 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.161 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | w = 1/[σ2(Fo2) + (0.0443P)2 + 0.9339P] where P = (Fo2 + 2Fc2)/3 |
3288 reflections | (Δ/σ)max < 0.001 |
212 parameters | Δρmax = 0.24 e Å−3 |
1 restraint | Δρmin = −0.35 e Å−3 |
C18H13ClN2O2 | V = 1541.9 (5) Å3 |
Mr = 324.75 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 7.158 (2) Å | µ = 0.26 mm−1 |
b = 30.886 (3) Å | T = 298 K |
c = 7.3733 (12) Å | 0.20 × 0.20 × 0.18 mm |
β = 108.924 (2)° |
Bruker APEXII CCD area-detector diffractometer | 3288 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 1635 reflections with I > 2σ(I) |
Tmin = 0.950, Tmax = 0.955 | Rint = 0.062 |
8306 measured reflections |
R[F2 > 2σ(F2)] = 0.082 | 1 restraint |
wR(F2) = 0.161 | H atoms treated by a mixture of independent and constrained refinement |
S = 1.04 | Δρmax = 0.24 e Å−3 |
3288 reflections | Δρmin = −0.35 e Å−3 |
212 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 | 0.66632 (19) | 0.05960 (4) | 0.6685 (2) | 0.0843 (5) | |
H2 | 0.696 (5) | 0.2651 (13) | 0.585 (3) | 0.080* | |
N1 | 0.5796 (4) | 0.28518 (9) | 0.3225 (4) | 0.0418 (8) | |
N2 | 0.6082 (5) | 0.25640 (10) | 0.4729 (4) | 0.0427 (8) | |
O1 | 0.5149 (5) | 0.30417 (9) | −0.0326 (4) | 0.0597 (8) | |
H1 | 0.5222 | 0.2884 | 0.0590 | 0.090* | |
O2 | 0.4224 (4) | 0.20537 (8) | 0.2758 (4) | 0.0533 (8) | |
C1 | 0.6241 (5) | 0.35642 (11) | 0.2236 (5) | 0.0360 (9) | |
C2 | 0.5645 (5) | 0.34493 (13) | 0.0298 (6) | 0.0445 (10) | |
C3 | 0.5567 (6) | 0.37613 (15) | −0.1110 (6) | 0.0562 (12) | |
H3 | 0.5214 | 0.3678 | −0.2389 | 0.067* | |
C4 | 0.5998 (6) | 0.41809 (15) | −0.0627 (7) | 0.0586 (12) | |
H4 | 0.5922 | 0.4383 | −0.1585 | 0.070* | |
C5 | 0.6560 (5) | 0.43187 (12) | 0.1296 (6) | 0.0461 (10) | |
C6 | 0.6976 (6) | 0.47585 (14) | 0.1805 (7) | 0.0609 (12) | |
H6 | 0.6873 | 0.4962 | 0.0848 | 0.073* | |
C7 | 0.7521 (7) | 0.48893 (14) | 0.3655 (8) | 0.0706 (14) | |
H7 | 0.7803 | 0.5179 | 0.3966 | 0.085* | |
C8 | 0.7655 (7) | 0.45872 (15) | 0.5081 (7) | 0.0716 (14) | |
H8 | 0.8008 | 0.4677 | 0.6351 | 0.086* | |
C9 | 0.7276 (6) | 0.41613 (13) | 0.4649 (6) | 0.0545 (11) | |
H9 | 0.7406 | 0.3965 | 0.5640 | 0.065* | |
C10 | 0.6693 (5) | 0.40069 (12) | 0.2746 (6) | 0.0398 (9) | |
C11 | 0.6392 (5) | 0.32393 (12) | 0.3679 (5) | 0.0397 (9) | |
H11 | 0.6933 | 0.3313 | 0.4967 | 0.048* | |
C12 | 0.5277 (5) | 0.21672 (12) | 0.4356 (5) | 0.0401 (9) | |
C13 | 0.5780 (5) | 0.18679 (11) | 0.6038 (5) | 0.0375 (9) | |
C14 | 0.5923 (5) | 0.14310 (12) | 0.5659 (6) | 0.0426 (9) | |
H14 | 0.5690 | 0.1337 | 0.4407 | 0.051* | |
C15 | 0.6411 (5) | 0.11390 (12) | 0.7143 (7) | 0.0507 (11) | |
C16 | 0.6694 (6) | 0.12736 (16) | 0.8992 (7) | 0.0620 (13) | |
H16 | 0.7013 | 0.1074 | 0.9989 | 0.074* | |
C17 | 0.6502 (6) | 0.17043 (16) | 0.9362 (6) | 0.0609 (12) | |
H17 | 0.6675 | 0.1795 | 1.0609 | 0.073* | |
C18 | 0.6053 (5) | 0.20038 (13) | 0.7888 (6) | 0.0476 (10) | |
H18 | 0.5936 | 0.2296 | 0.8143 | 0.057* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0781 (9) | 0.0429 (7) | 0.1416 (13) | 0.0095 (6) | 0.0490 (8) | 0.0229 (7) |
N1 | 0.0476 (19) | 0.0348 (18) | 0.040 (2) | −0.0005 (14) | 0.0096 (15) | 0.0034 (15) |
N2 | 0.047 (2) | 0.0355 (18) | 0.0368 (19) | −0.0048 (15) | 0.0017 (15) | 0.0038 (16) |
O1 | 0.078 (2) | 0.0557 (19) | 0.0442 (18) | −0.0086 (16) | 0.0175 (16) | −0.0077 (14) |
O2 | 0.0568 (17) | 0.0465 (16) | 0.0417 (17) | −0.0031 (13) | −0.0047 (13) | −0.0018 (13) |
C1 | 0.0287 (19) | 0.044 (2) | 0.035 (2) | 0.0038 (16) | 0.0104 (16) | 0.0037 (18) |
C2 | 0.043 (2) | 0.051 (3) | 0.042 (2) | 0.0003 (19) | 0.0166 (19) | 0.001 (2) |
C3 | 0.062 (3) | 0.074 (3) | 0.032 (2) | 0.003 (2) | 0.015 (2) | 0.011 (2) |
C4 | 0.062 (3) | 0.059 (3) | 0.062 (3) | 0.005 (2) | 0.029 (2) | 0.021 (2) |
C5 | 0.040 (2) | 0.044 (3) | 0.057 (3) | 0.0054 (18) | 0.019 (2) | 0.009 (2) |
C6 | 0.059 (3) | 0.044 (3) | 0.082 (4) | 0.005 (2) | 0.026 (3) | 0.020 (3) |
C7 | 0.077 (3) | 0.041 (3) | 0.099 (4) | −0.007 (2) | 0.035 (3) | −0.001 (3) |
C8 | 0.089 (4) | 0.058 (3) | 0.072 (4) | −0.015 (3) | 0.032 (3) | −0.011 (3) |
C9 | 0.068 (3) | 0.041 (3) | 0.057 (3) | −0.008 (2) | 0.025 (2) | −0.002 (2) |
C10 | 0.034 (2) | 0.041 (2) | 0.045 (2) | 0.0035 (16) | 0.0134 (18) | 0.004 (2) |
C11 | 0.040 (2) | 0.040 (2) | 0.036 (2) | 0.0024 (17) | 0.0084 (17) | 0.0051 (18) |
C12 | 0.035 (2) | 0.039 (2) | 0.042 (2) | 0.0006 (17) | 0.0066 (18) | −0.0004 (19) |
C13 | 0.035 (2) | 0.036 (2) | 0.039 (2) | −0.0010 (16) | 0.0091 (17) | 0.0009 (18) |
C14 | 0.038 (2) | 0.037 (2) | 0.052 (3) | −0.0011 (17) | 0.0130 (18) | 0.006 (2) |
C15 | 0.036 (2) | 0.035 (2) | 0.083 (4) | 0.0019 (17) | 0.021 (2) | 0.011 (2) |
C16 | 0.046 (3) | 0.073 (3) | 0.064 (3) | −0.002 (2) | 0.014 (2) | 0.031 (3) |
C17 | 0.061 (3) | 0.075 (3) | 0.047 (3) | −0.006 (2) | 0.018 (2) | 0.010 (3) |
C18 | 0.046 (2) | 0.049 (2) | 0.048 (3) | −0.0023 (19) | 0.016 (2) | −0.003 (2) |
Cl1—C15 | 1.732 (4) | C6—H6 | 0.9300 |
N1—C11 | 1.278 (4) | C7—C8 | 1.386 (6) |
N1—N2 | 1.384 (4) | C7—H7 | 0.9300 |
N2—C12 | 1.344 (4) | C8—C9 | 1.360 (5) |
N2—H2 | 0.90 (3) | C8—H8 | 0.9300 |
O1—C2 | 1.348 (4) | C9—C10 | 1.410 (5) |
O1—H1 | 0.8200 | C9—H9 | 0.9300 |
O2—C12 | 1.226 (4) | C11—H11 | 0.9300 |
C1—C2 | 1.398 (5) | C12—C13 | 1.494 (5) |
C1—C10 | 1.427 (5) | C13—C18 | 1.379 (5) |
C1—C11 | 1.441 (5) | C13—C14 | 1.388 (5) |
C2—C3 | 1.404 (5) | C14—C15 | 1.373 (5) |
C3—C4 | 1.353 (5) | C14—H14 | 0.9300 |
C3—H3 | 0.9300 | C15—C16 | 1.376 (6) |
C4—C5 | 1.408 (5) | C16—C17 | 1.374 (6) |
C4—H4 | 0.9300 | C16—H16 | 0.9300 |
C5—C6 | 1.415 (5) | C17—C18 | 1.383 (5) |
C5—C10 | 1.419 (5) | C17—H17 | 0.9300 |
C6—C7 | 1.353 (6) | C18—H18 | 0.9300 |
C11—N1—N2 | 116.2 (3) | C8—C9—H9 | 118.9 |
C12—N2—N1 | 118.6 (3) | C10—C9—H9 | 118.9 |
C12—N2—H2 | 126 (3) | C9—C10—C5 | 116.5 (4) |
N1—N2—H2 | 115 (3) | C9—C10—C1 | 123.7 (3) |
C2—O1—H1 | 109.5 | C5—C10—C1 | 119.8 (4) |
C2—C1—C10 | 118.7 (3) | N1—C11—C1 | 121.3 (3) |
C2—C1—C11 | 120.2 (3) | N1—C11—H11 | 119.3 |
C10—C1—C11 | 121.1 (3) | C1—C11—H11 | 119.3 |
O1—C2—C1 | 123.1 (3) | O2—C12—N2 | 123.1 (3) |
O1—C2—C3 | 116.5 (4) | O2—C12—C13 | 121.9 (3) |
C1—C2—C3 | 120.5 (4) | N2—C12—C13 | 115.0 (3) |
C4—C3—C2 | 120.8 (4) | C18—C13—C14 | 119.9 (3) |
C4—C3—H3 | 119.6 | C18—C13—C12 | 123.4 (3) |
C2—C3—H3 | 119.6 | C14—C13—C12 | 116.6 (3) |
C3—C4—C5 | 121.4 (4) | C15—C14—C13 | 119.6 (4) |
C3—C4—H4 | 119.3 | C15—C14—H14 | 120.2 |
C5—C4—H4 | 119.3 | C13—C14—H14 | 120.2 |
C4—C5—C6 | 121.6 (4) | C14—C15—C16 | 120.6 (4) |
C4—C5—C10 | 118.8 (4) | C14—C15—Cl1 | 119.8 (4) |
C6—C5—C10 | 119.6 (4) | C16—C15—Cl1 | 119.6 (3) |
C7—C6—C5 | 121.4 (4) | C17—C16—C15 | 119.8 (4) |
C7—C6—H6 | 119.3 | C17—C16—H16 | 120.1 |
C5—C6—H6 | 119.3 | C15—C16—H16 | 120.1 |
C6—C7—C8 | 119.4 (4) | C16—C17—C18 | 120.3 (4) |
C6—C7—H7 | 120.3 | C16—C17—H17 | 119.9 |
C8—C7—H7 | 120.3 | C18—C17—H17 | 119.9 |
C9—C8—C7 | 120.9 (5) | C13—C18—C17 | 119.7 (4) |
C9—C8—H8 | 119.5 | C13—C18—H18 | 120.1 |
C7—C8—H8 | 119.5 | C17—C18—H18 | 120.1 |
C8—C9—C10 | 122.1 (4) |
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2···O2i | 0.90 (3) | 1.99 (2) | 2.860 (4) | 162 (4) |
O1—H1···N1 | 0.82 | 1.85 | 2.574 (4) | 146 |
Symmetry code: (i) x+1/2, −y+1/2, z+1/2. |
Experimental details
Crystal data | |
Chemical formula | C18H13ClN2O2 |
Mr | 324.75 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 298 |
a, b, c (Å) | 7.158 (2), 30.886 (3), 7.3733 (12) |
β (°) | 108.924 (2) |
V (Å3) | 1541.9 (5) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.26 |
Crystal size (mm) | 0.20 × 0.20 × 0.18 |
Data collection | |
Diffractometer | Bruker APEXII CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.950, 0.955 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 8306, 3288, 1635 |
Rint | 0.062 |
(sin θ/λ)max (Å−1) | 0.639 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.082, 0.161, 1.04 |
No. of reflections | 3288 |
No. of parameters | 212 |
No. of restraints | 1 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.24, −0.35 |
Computer programs: APEX2 (Bruker, 2005), SAINT (Bruker, 2005), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
N2—H2···O2i | 0.90 (3) | 1.992 (17) | 2.860 (4) | 162 (4) |
O1—H1···N1 | 0.82 | 1.85 | 2.574 (4) | 146 |
Symmetry code: (i) x+1/2, −y+1/2, z+1/2. |
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.
In the last years, a number of Schiff bases derived from the reaction of aldehydes with benzohydrazides were prepared and structurally characterized (Bessy et al., 2006; Podyachev et al., 2007; Raj & Kurup, 2007; Pouralimardan et al., 2007; Bacchi et al., 2006; Dinda et al., 2002). As a contribution to this work, we present here the title new Schiff base compound (Fig. 1).
There is an intramolecular O—H···N hydrogen bond in the molecule, which influences the molecular conformation - the dihedral angle between the benzene ring and the naphthyl ring is 17.1 (3)°. All the bond lengths are within normal values (Allen et al., 1987). In the crystal structure, intermolecular N—H···O hydrogen bonds (Table 1) link the molecules into chains propagated in [101] (Fig. 2).