organic compounds
4-Chloro-N′-(2-hydroxy-1-naphthylidene)benzohydrazide
aDepartment of Chemistry and Chemical Engineering, Baoji University of Arts and Sciences, Baoji 721007, People's Republic of China
*Correspondence e-mail: desuoyang@yahoo.com.cn
The molecule of the title compound, C18H13ClN2O2, displays a trans configuration with respect to the C=N double bond. The dihedral angle between the benzene and naphthyl ring systems is 6.0 (2)°. An O—H⋯N hydrogen bond is observed in the molecular structure. In the molecules are linked through intermolecular N—H⋯O hydrogen bonds and π–π stacking interactions [centroid–centroid distance = 3.603 (2) Å], forming chains running along the b axis.
Related literature
For related structures, see: Yang (2006a,b,c,d,e, 2007a,b,c); Yang & Guo (2006). For related literature, see: Bernardo et al. (1996); Musie et al. (2001); Paul et al. (2002). For bond-length data, see: Allen et al. (1987).
Experimental
Crystal data
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Data collection: SMART (Bruker, 2002); cell SAINT (Bruker, 2002); 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: SHELXL97.
Supporting information
10.1107/S1600536808025828/ci2654sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536808025828/ci2654Isup2.hkl
2-Hydroxy-1-naphthylaldehyde (0.1 mmol, 17.2 mg) and 4-chlorobenzohydrazide (0.1 mmol, 17.0 mg) were dissolved in methanol (10 ml). The mixture was stirred at room temperature to give a clear colourless solution. Single crystals of the title compound were obtained by gradual evaporation of the solvent over a period of 8 d at room temperature.
Atom H2 was located in a difference Fourier map and refined isotropically, with the N—H distance restrained to 0.90 (1) Å. Other H atoms were placed in idealized positions and constrained to ride on their parent atoms, with O—H = 0.82 Å, C—H = 0.93 Å and Uiso(H) = 1.2Ueq(C) and 1.5Ueq(O).
Data collection: SMART (Bruker, 2002); cell
SAINT (Bruker, 2002); data reduction: SAINT (Bruker, 2002); 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: SHELXL97 (Sheldrick, 2008).C18H13ClN2O2 | F(000) = 336 |
Mr = 324.75 | Dx = 1.442 Mg m−3 |
Monoclinic, Pc | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P -2yc | Cell parameters from 2145 reflections |
a = 6.200 (3) Å | θ = 2.8–29.3° |
b = 4.788 (2) Å | µ = 0.27 mm−1 |
c = 25.320 (11) Å | T = 298 K |
β = 95.844 (7)° | Block, colourless |
V = 747.8 (6) Å3 | 0.23 × 0.21 × 0.20 mm |
Z = 2 |
Bruker SMART CCD area-detector diffractometer | 2197 independent reflections |
Radiation source: fine-focus sealed tube | 2039 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.017 |
ω scans | θmax = 27.0°, θmin = 3.2° |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | h = −5→7 |
Tmin = 0.941, Tmax = 0.949 | k = −6→6 |
4001 measured reflections | l = −31→26 |
Refinement on F2 | Secondary atom site location: difference Fourier map |
Least-squares matrix: full | Hydrogen site location: inferred from neighbouring sites |
R[F2 > 2σ(F2)] = 0.032 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.080 | w = 1/[σ2(Fo2) + (0.0403P)2 + 0.1026P] where P = (Fo2 + 2Fc2)/3 |
S = 1.05 | (Δ/σ)max = 0.001 |
2197 reflections | Δρmax = 0.12 e Å−3 |
212 parameters | Δρmin = −0.19 e Å−3 |
3 restraints | Absolute structure: Flack (1983), with 596 Friedel pairs |
Primary atom site location: structure-invariant direct methods | Absolute structure parameter: 0.03 (7) |
C18H13ClN2O2 | V = 747.8 (6) Å3 |
Mr = 324.75 | Z = 2 |
Monoclinic, Pc | Mo Kα radiation |
a = 6.200 (3) Å | µ = 0.27 mm−1 |
b = 4.788 (2) Å | T = 298 K |
c = 25.320 (11) Å | 0.23 × 0.21 × 0.20 mm |
β = 95.844 (7)° |
Bruker SMART CCD area-detector diffractometer | 2197 independent reflections |
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) | 2039 reflections with I > 2σ(I) |
Tmin = 0.941, Tmax = 0.949 | Rint = 0.017 |
4001 measured reflections |
R[F2 > 2σ(F2)] = 0.032 | H atoms treated by a mixture of independent and constrained refinement |
wR(F2) = 0.080 | Δρmax = 0.12 e Å−3 |
S = 1.05 | Δρmin = −0.19 e Å−3 |
2197 reflections | Absolute structure: Flack (1983), with 596 Friedel pairs |
212 parameters | Absolute structure parameter: 0.03 (7) |
3 restraints |
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 | 1.44733 (12) | 0.28331 (19) | 0.25960 (4) | 0.0780 (3) | |
N1 | 0.3640 (3) | 0.4990 (4) | 0.05683 (7) | 0.0395 (4) | |
N2 | 0.5480 (3) | 0.4210 (4) | 0.08892 (8) | 0.0390 (4) | |
O1 | 0.0022 (3) | 0.7705 (3) | 0.04417 (7) | 0.0512 (4) | |
H1 | 0.1220 | 0.7293 | 0.0589 | 0.077* | |
O2 | 0.5730 (3) | 0.8546 (3) | 0.12464 (7) | 0.0504 (4) | |
C1 | 0.0931 (3) | 0.3955 (4) | −0.01348 (9) | 0.0378 (5) | |
C2 | −0.0450 (3) | 0.6040 (4) | 0.00131 (9) | 0.0404 (5) | |
C3 | −0.2478 (4) | 0.6510 (5) | −0.02775 (11) | 0.0515 (6) | |
H3 | −0.3413 | 0.7847 | −0.0163 | 0.062* | |
C4 | −0.3071 (4) | 0.5020 (5) | −0.07244 (11) | 0.0529 (6) | |
H4 | −0.4422 | 0.5341 | −0.0909 | 0.063* | |
C5 | −0.1684 (4) | 0.2987 (5) | −0.09167 (10) | 0.0458 (5) | |
C6 | −0.2251 (4) | 0.1535 (5) | −0.13960 (10) | 0.0544 (6) | |
H6 | −0.3580 | 0.1895 | −0.1589 | 0.065* | |
C7 | −0.0893 (5) | −0.0380 (6) | −0.15817 (10) | 0.0587 (7) | |
H7 | −0.1289 | −0.1318 | −0.1898 | 0.070* | |
C8 | 0.1105 (5) | −0.0923 (6) | −0.12918 (10) | 0.0549 (6) | |
H8 | 0.2035 | −0.2233 | −0.1418 | 0.066* | |
C9 | 0.1709 (4) | 0.0441 (5) | −0.08267 (9) | 0.0478 (6) | |
H9 | 0.3051 | 0.0049 | −0.0643 | 0.057* | |
C10 | 0.0348 (3) | 0.2428 (5) | −0.06184 (9) | 0.0384 (5) | |
C11 | 0.2922 (3) | 0.3316 (5) | 0.01999 (9) | 0.0393 (5) | |
H11 | 0.3673 | 0.1678 | 0.0145 | 0.047* | |
C12 | 0.6429 (3) | 0.6152 (4) | 0.12246 (8) | 0.0371 (5) | |
C13 | 0.8398 (3) | 0.5189 (4) | 0.15662 (8) | 0.0357 (4) | |
C14 | 0.8939 (4) | 0.6535 (5) | 0.20461 (10) | 0.0468 (6) | |
H14 | 0.8045 | 0.7941 | 0.2153 | 0.056* | |
C15 | 1.0795 (4) | 0.5809 (6) | 0.23675 (10) | 0.0532 (6) | |
H15 | 1.1155 | 0.6701 | 0.2691 | 0.064* | |
C16 | 1.2100 (4) | 0.3728 (5) | 0.21960 (9) | 0.0483 (6) | |
C17 | 1.1626 (4) | 0.2370 (5) | 0.17207 (10) | 0.0449 (5) | |
H17 | 1.2543 | 0.0991 | 0.1613 | 0.054* | |
C18 | 0.9751 (3) | 0.3101 (4) | 0.14053 (9) | 0.0407 (5) | |
H18 | 0.9393 | 0.2189 | 0.1084 | 0.049* | |
H2 | 0.576 (6) | 0.240 (3) | 0.0963 (14) | 0.080* |
U11 | U22 | U33 | U12 | U13 | U23 | |
Cl1 | 0.0468 (3) | 0.1144 (6) | 0.0692 (4) | 0.0089 (4) | −0.0112 (3) | 0.0192 (4) |
N1 | 0.0344 (9) | 0.0357 (9) | 0.0476 (10) | 0.0038 (7) | 0.0003 (8) | 0.0045 (7) |
N2 | 0.0373 (9) | 0.0305 (8) | 0.0475 (10) | 0.0053 (8) | −0.0031 (8) | 0.0022 (7) |
O1 | 0.0545 (10) | 0.0446 (9) | 0.0552 (10) | 0.0141 (8) | 0.0086 (8) | 0.0030 (8) |
O2 | 0.0490 (9) | 0.0290 (7) | 0.0715 (11) | 0.0077 (7) | −0.0016 (8) | −0.0015 (7) |
C1 | 0.0326 (11) | 0.0347 (10) | 0.0460 (12) | 0.0008 (9) | 0.0040 (9) | 0.0108 (9) |
C2 | 0.0382 (12) | 0.0373 (12) | 0.0465 (12) | 0.0038 (9) | 0.0086 (9) | 0.0103 (9) |
C3 | 0.0400 (12) | 0.0496 (14) | 0.0662 (16) | 0.0121 (11) | 0.0114 (11) | 0.0140 (12) |
C4 | 0.0336 (12) | 0.0531 (14) | 0.0700 (17) | 0.0073 (10) | −0.0036 (11) | 0.0165 (12) |
C5 | 0.0367 (12) | 0.0431 (12) | 0.0561 (14) | −0.0036 (10) | −0.0017 (10) | 0.0164 (10) |
C6 | 0.0490 (14) | 0.0546 (15) | 0.0558 (15) | −0.0049 (12) | −0.0129 (11) | 0.0132 (12) |
C7 | 0.0672 (17) | 0.0599 (16) | 0.0468 (15) | −0.0122 (14) | −0.0056 (12) | 0.0016 (12) |
C8 | 0.0576 (14) | 0.0563 (15) | 0.0507 (15) | 0.0031 (12) | 0.0050 (11) | −0.0020 (12) |
C9 | 0.0427 (13) | 0.0486 (13) | 0.0512 (14) | 0.0048 (10) | 0.0008 (10) | 0.0022 (10) |
C10 | 0.0330 (10) | 0.0350 (12) | 0.0466 (12) | −0.0017 (8) | 0.0014 (8) | 0.0102 (8) |
C11 | 0.0345 (11) | 0.0343 (10) | 0.0491 (12) | 0.0053 (8) | 0.0038 (9) | 0.0047 (9) |
C12 | 0.0367 (11) | 0.0311 (10) | 0.0439 (12) | 0.0030 (9) | 0.0059 (9) | 0.0046 (8) |
C13 | 0.0371 (11) | 0.0283 (10) | 0.0416 (11) | 0.0005 (8) | 0.0030 (8) | 0.0041 (8) |
C14 | 0.0503 (14) | 0.0391 (12) | 0.0510 (14) | 0.0056 (10) | 0.0053 (11) | −0.0025 (10) |
C15 | 0.0540 (15) | 0.0598 (16) | 0.0443 (14) | −0.0019 (12) | −0.0028 (11) | −0.0037 (11) |
C16 | 0.0352 (11) | 0.0594 (15) | 0.0489 (14) | −0.0019 (11) | −0.0020 (10) | 0.0163 (11) |
C17 | 0.0371 (12) | 0.0464 (13) | 0.0518 (14) | 0.0093 (10) | 0.0074 (10) | 0.0080 (10) |
C18 | 0.0398 (12) | 0.0373 (11) | 0.0453 (12) | 0.0029 (9) | 0.0051 (9) | 0.0022 (9) |
Cl1—C16 | 1.752 (2) | C6—H6 | 0.93 |
N1—C11 | 1.275 (3) | C7—C8 | 1.398 (4) |
N1—N2 | 1.383 (2) | C7—H7 | 0.93 |
N2—C12 | 1.353 (3) | C8—C9 | 1.365 (3) |
N2—H2 | 0.899 (10) | C8—H8 | 0.93 |
O1—C2 | 1.354 (3) | C9—C10 | 1.410 (3) |
O1—H1 | 0.82 | C9—H9 | 0.93 |
O2—C12 | 1.228 (2) | C11—H11 | 0.93 |
C1—C2 | 1.392 (3) | C12—C13 | 1.495 (3) |
C1—C10 | 1.440 (3) | C13—C14 | 1.386 (3) |
C1—C11 | 1.457 (3) | C13—C18 | 1.392 (3) |
C2—C3 | 1.409 (3) | C14—C15 | 1.385 (3) |
C3—C4 | 1.356 (4) | C14—H14 | 0.93 |
C3—H3 | 0.93 | C15—C16 | 1.381 (4) |
C4—C5 | 1.418 (4) | C15—H15 | 0.93 |
C4—H4 | 0.93 | C16—C17 | 1.373 (3) |
C5—C6 | 1.412 (4) | C17—C18 | 1.387 (3) |
C5—C10 | 1.427 (3) | C17—H17 | 0.93 |
C6—C7 | 1.361 (4) | C18—H18 | 0.93 |
C11—N1—N2 | 117.76 (18) | C8—C9—H9 | 119.2 |
C12—N2—N1 | 117.57 (16) | C10—C9—H9 | 119.2 |
C12—N2—H2 | 118 (2) | C9—C10—C5 | 117.3 (2) |
N1—N2—H2 | 121 (2) | C9—C10—C1 | 123.55 (19) |
C2—O1—H1 | 109.5 | C5—C10—C1 | 119.1 (2) |
C2—C1—C10 | 119.01 (18) | N1—C11—C1 | 120.4 (2) |
C2—C1—C11 | 120.14 (19) | N1—C11—H11 | 119.8 |
C10—C1—C11 | 120.85 (19) | C1—C11—H11 | 119.8 |
O1—C2—C1 | 123.34 (19) | O2—C12—N2 | 122.48 (19) |
O1—C2—C3 | 115.7 (2) | O2—C12—C13 | 122.18 (19) |
C1—C2—C3 | 121.0 (2) | N2—C12—C13 | 115.34 (16) |
C4—C3—C2 | 120.2 (2) | C14—C13—C18 | 119.4 (2) |
C4—C3—H3 | 119.9 | C14—C13—C12 | 118.30 (19) |
C2—C3—H3 | 119.9 | C18—C13—C12 | 122.20 (19) |
C3—C4—C5 | 121.7 (2) | C15—C14—C13 | 120.7 (2) |
C3—C4—H4 | 119.2 | C15—C14—H14 | 119.6 |
C5—C4—H4 | 119.2 | C13—C14—H14 | 119.6 |
C6—C5—C4 | 121.8 (2) | C16—C15—C14 | 118.3 (2) |
C6—C5—C10 | 119.5 (2) | C16—C15—H15 | 120.8 |
C4—C5—C10 | 118.7 (2) | C14—C15—H15 | 120.8 |
C7—C6—C5 | 121.3 (2) | C17—C16—C15 | 122.5 (2) |
C7—C6—H6 | 119.3 | C17—C16—Cl1 | 118.9 (2) |
C5—C6—H6 | 119.3 | C15—C16—Cl1 | 118.62 (19) |
C6—C7—C8 | 119.4 (2) | C16—C17—C18 | 118.5 (2) |
C6—C7—H7 | 120.3 | C16—C17—H17 | 120.7 |
C8—C7—H7 | 120.3 | C18—C17—H17 | 120.7 |
C9—C8—C7 | 121.0 (3) | C17—C18—C13 | 120.5 (2) |
C9—C8—H8 | 119.5 | C17—C18—H18 | 119.8 |
C7—C8—H8 | 119.5 | C13—C18—H18 | 119.8 |
C8—C9—C10 | 121.6 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1 | 0.82 | 1.87 | 2.584 (2) | 145 |
N2—H2···O2i | 0.90 (1) | 1.98 (1) | 2.858 (3) | 165 (4) |
Symmetry code: (i) x, y−1, z. |
Experimental details
Crystal data | |
Chemical formula | C18H13ClN2O2 |
Mr | 324.75 |
Crystal system, space group | Monoclinic, Pc |
Temperature (K) | 298 |
a, b, c (Å) | 6.200 (3), 4.788 (2), 25.320 (11) |
β (°) | 95.844 (7) |
V (Å3) | 747.8 (6) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.27 |
Crystal size (mm) | 0.23 × 0.21 × 0.20 |
Data collection | |
Diffractometer | Bruker SMART CCD area-detector diffractometer |
Absorption correction | Multi-scan (SADABS; Sheldrick, 1996) |
Tmin, Tmax | 0.941, 0.949 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 4001, 2197, 2039 |
Rint | 0.017 |
(sin θ/λ)max (Å−1) | 0.639 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.032, 0.080, 1.05 |
No. of reflections | 2197 |
No. of parameters | 212 |
No. of restraints | 3 |
H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
Δρmax, Δρmin (e Å−3) | 0.12, −0.19 |
Absolute structure | Flack (1983), with 596 Friedel pairs |
Absolute structure parameter | 0.03 (7) |
Computer programs: SMART (Bruker, 2002), SAINT (Bruker, 2002), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O1—H1···N1 | 0.82 | 1.87 | 2.584 (2) | 145 |
N2—H2···O2i | 0.90 (1) | 1.98 (1) | 2.858 (3) | 165 (4) |
Symmetry code: (i) x, y−1, z. |
Acknowledgements
The author acknowledges Key Laboratory Construction Support from the Education Office of Shanxi Province (Project No. 05JS43).
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.
Schiff base compounds have been of great interest for a long time. These compounds play an important role in the development of coordination chemistry (Musie et al., 2001; Bernardo et al., 1996; Paul et al., 2002). Recently, we have reported crystal structures of a few Schiff base compounds (Yang, 2006a,b,c,d,e, 2007a,b,c; Yang & Guo, 2006). As a further investigation of this work, the crystal structure of the title compound is reported here.
The molecule of the title compound displays a trans configuration with respect to the C═N double bond (Fig. 1). The dihedral angle between the benzene and naphthyl rings is 6.0 (2)°. All the bond lengths are within normal ranges (Allen et al., 1987). The C11═N1 bond length of 1.275 (3) Å conforms to the value for a double bond. The bond length of 1.353 (3) Å between atoms C12 and N2 is intermediate between an N—N single bond and an N═N double bond, because of conjugation effects in the molecule. An intramolecular O—H···N hydrogen bond is observed.
In the crystal structure, molecules are linked through intermolecular N—H···O hydrogen bonds (Table 1), forming chains running along the b axis (Fig. 2). The chain is strengthened by π–π interactions between C1–C5/C10 and C5–C10 benzene rings (centroid–centroid distance is 3.603 (2) Å).