organic compounds
(E)-4-Amino-N′-(2-hydroxy-5-methoxybenzylidene)benzohydrazide monohydrate
aDepartment of Chemistry, Payame Noor University, PO Box 19395-3697 Tehran, I. R. of IRAN, bDepartment of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, Iran, and cDepartment of Physics, University of Sargodha, Punjab, Pakistan
*Correspondence e-mail: zsrkk@yahoo.com, dmntahir_uos@yahoo.com
In the title compound, C15H15N3O3·H2O, the hydazide Schiff base molecule shows an E conformation around the C=N bond. An intramolecular O—H⋯N hydrogen bond makes an S(6) ring motif. The dihedral angle between the substituted phenyl rings is 23.40 (11)°. The water molecule mediates linking of neighbouring molecules through O—H⋯(O,O) hydrogen bonds into infinite chains along the a axis, which are further connected together through N—H⋯O hydrogen bonds, forming a two-dimensional network parallel to (001). C—H⋯O interactions aso occur.
Related literature
For standard bond lengths, see: Allen et al. (1987). For hydrogen-bond motifs, see: Bernstein et al. (1995). For the coordination chemistry of Schiff base and hydrazone derivatives, see: Kucukguzel et al. (2006); Karthikeyan et al. (2006). For 4-aminobenzohydrazide-derived Schiff base structures, see: Xu (2012); Shi & Li (2012); Bakir & Green (2002); Kargar et al. (2012a,b).
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: 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 and PLATON (Spek, 2009).
Supporting information
https://doi.org/10.1107/S1600536812026633/bq2366sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536812026633/bq2366Isup2.hkl
Supporting information file. DOI: https://doi.org/10.1107/S1600536812026633/bq2366Isup3.cml
The title compound was synthesized by adding 1 mmol of methyl 4-aminobenzoate to a solution of 5-methoxysalicylaldehyde (1 mmol) in methanol (30 ml). The mixture was refluxed with stirring for 50 min and after cooling to room temperature a light-yellow precipitate was filtered and washed with diethylether and dried in air. white prismatic crystals of the title compound, suitable for X-ray structure analysis, were recrystallized from ethanol by slow evaporation of the solvents at room temperature over several days.
The N- and O-bound H-atoms were located in a difference Fourier map and constrained to refine to the parent atoms with Uiso (H) = 1.2 or 1.5 Ueq(N, O), respectively, see Table 1. The rest of the H atoms were positioned by riding model approximation with C—H = 0.93 and Uiso (H) = k × Ueq(C) with k = 1.2 for CH and 1.5 for CH3. In the absence of sufficient
1437 Friedel pairs were merged.Schiff bases are one of the most prevalent mixed-donor ligands in the field of coordination chemistry. They play an important role in the development of coordination chemistry related to catalysis and magnetism, and supramolecular architectures (Karthikeyan et al., 2006; Kucukguzel et al., 2006). Structures of
derived from substituted 4-aminobenzohydrazide have been reported earlier (Kargar et al., 2012a,b; Xu, 2012; Shi & Li, 2012; Bakir & Green, 2002). In order to explore the structure of the new Schiff base derivatives, the title compound was prepared and characterized crystallographically.The ═N bond. The bond lengths (Allen et al., 1987) and angles are within normal ranges and are comparable to the related structures (Kargar et al., 2012a,b; Xu, 2012; Shi & Li, 2012; Bakir & Green, 2002). Intramolecular O—H···N hydrogen bond makes S(6) ring motif (Bernstein et al., 1995). The dihedral angle between the substituted phenyl rings is 23.40 (11)Å. The water molecule mediates linking of the neighboring molecules through O—H···(O, O) hydrogen bondings into infinite chains along the a axis which are further connected together through N—H···O hydrogen bonds, forming two-dimensional network parallel to (0 0 1) [Fig. 2].
of the title compound, Fig. 1, comprises a molecule of the title hydazide Schiff base and a water molecule of crystallization. It shows E conformation around CFor standard bond lengths, see: Allen et al. (1987). For hydrogen-bond motifs, see: Bernstein et al. (1995). For the coordination chemistry of Schiff base and hydrazone derivatives, see: Kucukguzel et al. (2006); Karthikeyan et al. (2006). For 4-aminobenzohydrazide-derived Schiff base structures, see: Xu (2012); Shi & Li (2012); Bakir & Green (2002); Kargar et al. (2012a,b).
Data collection: APEX2 (Bruker, 2005); cell
SAINT (Bruker, 2005); data reduction: SAINT (Bruker, 2005); 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) and PLATON (Spek, 2009).Fig. 1. A view of the molecular structure of the title compound, showing 40% probability displacement ellipsoids and the atomic numbering. The dashed lines shows the intramolecular hydrogen bonds. | |
Fig. 2. A view along the a axis of crystal packing of the title compound, showing linking of molecules through the intermolecular N—H···O and O—H···O interactions (dashed lines), forming two-dimensional networks. Only the H atoms involved in the interactions are shown. |
C15H15N3O3·H2O | F(000) = 320 |
Mr = 303.32 | Dx = 1.381 Mg m−3 |
Monoclinic, P21 | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: P 2yb | Cell parameters from 873 reflections |
a = 4.7376 (5) Å | θ = 2.5–28.5° |
b = 13.270 (2) Å | µ = 0.10 mm−1 |
c = 11.7265 (16) Å | T = 291 K |
β = 98.459 (4)° | Prism, white |
V = 729.18 (17) Å3 | 0.28 × 0.20 × 0.18 mm |
Z = 2 |
Bruker SMART APEXII CCD area-detector diffractometer | 1679 independent reflections |
Radiation source: fine-focus sealed tube | 1433 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.028 |
φ and ω scans | θmax = 27.2°, θmin = 1.8° |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | h = −5→6 |
Tmin = 0.972, Tmax = 0.982 | k = −17→17 |
6511 measured reflections | l = −15→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)] = 0.035 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.085 | H-atom parameters constrained |
S = 1.03 | w = 1/[σ2(Fo2) + (0.0414P)2 + 0.0579P] where P = (Fo2 + 2Fc2)/3 |
1679 reflections | (Δ/σ)max < 0.001 |
200 parameters | Δρmax = 0.14 e Å−3 |
1 restraint | Δρmin = −0.13 e Å−3 |
C15H15N3O3·H2O | V = 729.18 (17) Å3 |
Mr = 303.32 | Z = 2 |
Monoclinic, P21 | Mo Kα radiation |
a = 4.7376 (5) Å | µ = 0.10 mm−1 |
b = 13.270 (2) Å | T = 291 K |
c = 11.7265 (16) Å | 0.28 × 0.20 × 0.18 mm |
β = 98.459 (4)° |
Bruker SMART APEXII CCD area-detector diffractometer | 1679 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2005) | 1433 reflections with I > 2σ(I) |
Tmin = 0.972, Tmax = 0.982 | Rint = 0.028 |
6511 measured reflections |
R[F2 > 2σ(F2)] = 0.035 | 1 restraint |
wR(F2) = 0.085 | H-atom parameters constrained |
S = 1.03 | Δρmax = 0.14 e Å−3 |
1679 reflections | Δρmin = −0.13 e Å−3 |
200 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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 > 2sigma(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 | ||
O1 | 0.2636 (4) | 0.77661 (14) | −0.05541 (17) | 0.0508 (5) | |
O2 | −0.2127 (4) | 0.80740 (14) | 0.21112 (17) | 0.0525 (5) | |
H2 | −0.1070 | 0.7823 | 0.1570 | 0.079* | |
O3 | −0.7483 (4) | 0.51216 (16) | 0.43124 (16) | 0.0576 (6) | |
O1W | 0.2220 (4) | 0.39655 (14) | 0.06445 (17) | 0.0554 (5) | |
H1W1 | 0.3915 | 0.3618 | 0.0655 | 0.083* | |
H2W1 | 0.0724 | 0.3628 | 0.0602 | 0.083* | |
N1 | 0.9460 (5) | 0.49031 (19) | −0.3593 (2) | 0.0563 (6) | |
H1N1 | 1.0085 | 0.5262 | −0.4186 | 0.084* | |
H2N1 | 1.0325 | 0.4284 | −0.3229 | 0.084* | |
N2 | 0.1583 (4) | 0.62403 (16) | 0.01294 (17) | 0.0385 (5) | |
H2N | 0.1776 | 0.5530 | 0.0164 | 0.046* | |
N3 | −0.0003 (4) | 0.66404 (16) | 0.09130 (17) | 0.0380 (5) | |
C1 | 0.4541 (4) | 0.6311 (2) | −0.1357 (2) | 0.0343 (5) | |
C2 | 0.5460 (5) | 0.53219 (18) | −0.1196 (2) | 0.0389 (6) | |
H2A | 0.4945 | 0.4956 | −0.0582 | 0.047* | |
C3 | 0.7107 (5) | 0.48700 (19) | −0.1917 (2) | 0.0424 (6) | |
H3A | 0.7718 | 0.4209 | −0.1778 | 0.051* | |
C4 | 0.7876 (5) | 0.5391 (2) | −0.2859 (2) | 0.0409 (6) | |
C5 | 0.6937 (6) | 0.6372 (2) | −0.3037 (2) | 0.0470 (6) | |
H5A | 0.7407 | 0.6732 | −0.3664 | 0.056* | |
C6 | 0.5309 (5) | 0.6824 (2) | −0.2298 (2) | 0.0439 (6) | |
H6A | 0.4714 | 0.7487 | −0.2432 | 0.053* | |
C7 | 0.2861 (5) | 0.68406 (19) | −0.0575 (2) | 0.0359 (5) | |
C8 | −0.1204 (5) | 0.59925 (19) | 0.1497 (2) | 0.0388 (6) | |
H8A | −0.0947 | 0.5309 | 0.1370 | 0.047* | |
C9 | −0.2965 (5) | 0.6304 (2) | 0.2356 (2) | 0.0357 (5) | |
C10 | −0.3358 (5) | 0.7308 (2) | 0.2623 (2) | 0.0386 (5) | |
C11 | −0.5064 (5) | 0.7548 (2) | 0.3461 (2) | 0.0462 (7) | |
H11A | −0.5315 | 0.8219 | 0.3651 | 0.055* | |
C12 | −0.6366 (6) | 0.6808 (2) | 0.4005 (2) | 0.0459 (7) | |
H12A | −0.7489 | 0.6981 | 0.4562 | 0.055* | |
C13 | −0.6028 (5) | 0.5804 (2) | 0.3732 (2) | 0.0421 (6) | |
C14 | −0.4317 (5) | 0.5551 (2) | 0.2919 (2) | 0.0404 (6) | |
H14A | −0.4058 | 0.4877 | 0.2743 | 0.049* | |
C15 | −0.7400 (8) | 0.4101 (3) | 0.3976 (3) | 0.0687 (9) | |
H15A | −0.8667 | 0.3713 | 0.4372 | 0.103* | |
H15B | −0.5491 | 0.3848 | 0.4169 | 0.103* | |
H15C | −0.7986 | 0.4047 | 0.3159 | 0.103* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0495 (10) | 0.0383 (11) | 0.0708 (13) | 0.0017 (8) | 0.0294 (9) | −0.0014 (9) |
O2 | 0.0604 (11) | 0.0439 (11) | 0.0593 (12) | −0.0043 (9) | 0.0290 (10) | −0.0038 (9) |
O3 | 0.0680 (13) | 0.0610 (13) | 0.0512 (12) | −0.0032 (10) | 0.0335 (10) | 0.0064 (9) |
O1W | 0.0532 (11) | 0.0398 (10) | 0.0783 (14) | −0.0022 (9) | 0.0271 (10) | 0.0019 (9) |
N1 | 0.0682 (15) | 0.0580 (15) | 0.0502 (13) | 0.0072 (13) | 0.0343 (12) | −0.0005 (12) |
N2 | 0.0362 (10) | 0.0410 (11) | 0.0421 (11) | 0.0000 (10) | 0.0183 (9) | −0.0052 (10) |
N3 | 0.0316 (10) | 0.0471 (12) | 0.0378 (11) | 0.0012 (9) | 0.0138 (8) | −0.0056 (9) |
C1 | 0.0305 (11) | 0.0378 (13) | 0.0363 (12) | −0.0033 (10) | 0.0101 (9) | −0.0029 (10) |
C2 | 0.0437 (13) | 0.0367 (13) | 0.0406 (13) | −0.0007 (11) | 0.0199 (11) | 0.0026 (10) |
C3 | 0.0483 (14) | 0.0364 (14) | 0.0460 (14) | 0.0041 (11) | 0.0182 (12) | 0.0000 (11) |
C4 | 0.0390 (13) | 0.0484 (15) | 0.0385 (13) | −0.0013 (11) | 0.0161 (11) | −0.0050 (11) |
C5 | 0.0570 (15) | 0.0480 (16) | 0.0407 (14) | −0.0011 (13) | 0.0227 (12) | 0.0104 (12) |
C6 | 0.0526 (15) | 0.0372 (14) | 0.0452 (14) | 0.0025 (12) | 0.0184 (12) | 0.0028 (11) |
C7 | 0.0282 (11) | 0.0386 (14) | 0.0421 (14) | −0.0011 (10) | 0.0093 (10) | −0.0026 (11) |
C8 | 0.0372 (12) | 0.0430 (14) | 0.0386 (13) | 0.0039 (10) | 0.0135 (10) | −0.0034 (10) |
C9 | 0.0293 (11) | 0.0459 (14) | 0.0331 (12) | 0.0025 (11) | 0.0084 (9) | −0.0032 (11) |
C10 | 0.0365 (13) | 0.0452 (14) | 0.0356 (12) | 0.0012 (11) | 0.0103 (10) | −0.0003 (11) |
C11 | 0.0495 (15) | 0.0501 (17) | 0.0412 (14) | 0.0055 (12) | 0.0143 (12) | −0.0084 (12) |
C12 | 0.0466 (14) | 0.0589 (18) | 0.0353 (13) | 0.0068 (13) | 0.0166 (11) | −0.0042 (13) |
C13 | 0.0413 (14) | 0.0544 (16) | 0.0326 (13) | 0.0031 (12) | 0.0118 (11) | 0.0027 (12) |
C14 | 0.0422 (13) | 0.0427 (14) | 0.0391 (13) | 0.0072 (11) | 0.0148 (11) | −0.0014 (11) |
C15 | 0.091 (2) | 0.0530 (19) | 0.070 (2) | −0.0032 (17) | 0.0381 (19) | 0.0106 (16) |
O1—C7 | 1.233 (3) | C3—H3A | 0.9300 |
O2—C10 | 1.355 (3) | C4—C5 | 1.383 (4) |
O2—H2 | 0.9261 | C5—C6 | 1.379 (3) |
O3—C13 | 1.377 (3) | C5—H5A | 0.9300 |
O3—C15 | 1.413 (4) | C6—H6A | 0.9300 |
O1W—H1W1 | 0.9247 | C8—C9 | 1.459 (3) |
O1W—H2W1 | 0.8339 | C8—H8A | 0.9300 |
N1—C4 | 1.383 (3) | C9—C10 | 1.387 (4) |
N1—H1N1 | 0.9272 | C9—C14 | 1.403 (4) |
N1—H2N1 | 0.9864 | C10—C11 | 1.398 (3) |
N2—C7 | 1.353 (3) | C11—C12 | 1.366 (4) |
N2—N3 | 1.376 (3) | C11—H11A | 0.9300 |
N2—H2N | 0.9473 | C12—C13 | 1.386 (4) |
N3—C8 | 1.284 (3) | C12—H12A | 0.9300 |
C1—C2 | 1.387 (3) | C13—C14 | 1.381 (3) |
C1—C6 | 1.390 (3) | C14—H14A | 0.9300 |
C1—C7 | 1.478 (3) | C15—H15A | 0.9600 |
C2—C3 | 1.370 (3) | C15—H15B | 0.9600 |
C2—H2A | 0.9300 | C15—H15C | 0.9600 |
C3—C4 | 1.396 (3) | ||
C10—O2—H2 | 110.2 | O1—C7—C1 | 122.8 (2) |
C13—O3—C15 | 117.1 (2) | N2—C7—C1 | 115.4 (2) |
H1W1—O1W—H2W1 | 117.5 | N3—C8—C9 | 121.5 (2) |
C4—N1—H1N1 | 119.3 | N3—C8—H8A | 119.3 |
C4—N1—H2N1 | 110.4 | C9—C8—H8A | 119.3 |
H1N1—N1—H2N1 | 126.4 | C10—C9—C14 | 119.5 (2) |
C7—N2—N3 | 121.2 (2) | C10—C9—C8 | 122.5 (2) |
C7—N2—H2N | 124.2 | C14—C9—C8 | 118.0 (2) |
N3—N2—H2N | 114.5 | O2—C10—C9 | 122.7 (2) |
C8—N3—N2 | 115.2 (2) | O2—C10—C11 | 118.1 (2) |
C2—C1—C6 | 117.3 (2) | C9—C10—C11 | 119.2 (2) |
C2—C1—C7 | 123.5 (2) | C12—C11—C10 | 120.8 (3) |
C6—C1—C7 | 119.2 (2) | C12—C11—H11A | 119.6 |
C3—C2—C1 | 121.7 (2) | C10—C11—H11A | 119.6 |
C3—C2—H2A | 119.1 | C11—C12—C13 | 120.6 (2) |
C1—C2—H2A | 119.1 | C11—C12—H12A | 119.7 |
C2—C3—C4 | 120.7 (2) | C13—C12—H12A | 119.7 |
C2—C3—H3A | 119.7 | O3—C13—C14 | 124.7 (3) |
C4—C3—H3A | 119.7 | O3—C13—C12 | 115.8 (2) |
C5—C4—N1 | 122.6 (2) | C14—C13—C12 | 119.5 (2) |
C5—C4—C3 | 118.1 (2) | C13—C14—C9 | 120.5 (2) |
N1—C4—C3 | 119.3 (2) | C13—C14—H14A | 119.8 |
C6—C5—C4 | 120.8 (2) | C9—C14—H14A | 119.8 |
C6—C5—H5A | 119.6 | O3—C15—H15A | 109.5 |
C4—C5—H5A | 119.6 | O3—C15—H15B | 109.5 |
C5—C6—C1 | 121.5 (2) | H15A—C15—H15B | 109.5 |
C5—C6—H6A | 119.3 | O3—C15—H15C | 109.5 |
C1—C6—H6A | 119.3 | H15A—C15—H15C | 109.5 |
O1—C7—N2 | 121.8 (2) | H15B—C15—H15C | 109.5 |
C7—N2—N3—C8 | 177.2 (2) | N3—C8—C9—C10 | −2.5 (3) |
C6—C1—C2—C3 | 1.3 (3) | N3—C8—C9—C14 | 177.0 (2) |
C7—C1—C2—C3 | −177.5 (2) | C14—C9—C10—O2 | −179.8 (2) |
C1—C2—C3—C4 | −1.2 (4) | C8—C9—C10—O2 | −0.3 (4) |
C2—C3—C4—C5 | 0.2 (4) | C14—C9—C10—C11 | 0.9 (3) |
C2—C3—C4—N1 | −177.9 (2) | C8—C9—C10—C11 | −179.6 (2) |
N1—C4—C5—C6 | 178.6 (3) | O2—C10—C11—C12 | 179.8 (2) |
C3—C4—C5—C6 | 0.6 (4) | C9—C10—C11—C12 | −0.8 (4) |
C4—C5—C6—C1 | −0.5 (4) | C10—C11—C12—C13 | −0.2 (4) |
C2—C1—C6—C5 | −0.4 (4) | C15—O3—C13—C14 | −5.6 (4) |
C7—C1—C6—C5 | 178.4 (2) | C15—O3—C13—C12 | 174.2 (3) |
N3—N2—C7—O1 | −0.8 (4) | C11—C12—C13—O3 | −178.6 (2) |
N3—N2—C7—C1 | 178.87 (19) | C11—C12—C13—C14 | 1.2 (4) |
C2—C1—C7—O1 | 162.1 (2) | O3—C13—C14—C9 | 178.7 (2) |
C6—C1—C7—O1 | −16.6 (4) | C12—C13—C14—C9 | −1.1 (4) |
C2—C1—C7—N2 | −17.6 (3) | C10—C9—C14—C13 | 0.0 (3) |
C6—C1—C7—N2 | 163.7 (2) | C8—C9—C14—C13 | −179.4 (2) |
N2—N3—C8—C9 | −179.7 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O1W—H1W1···O1i | 0.92 | 2.00 | 2.926 (3) | 174 |
O2—H2···N3 | 0.93 | 1.85 | 2.650 (3) | 143 |
O1W—H2W1···O1ii | 0.83 | 1.95 | 2.787 (3) | 176 |
N2—H2N···O1W | 0.95 | 2.15 | 3.084 (3) | 167 |
N1—H1N1···O3iii | 0.93 | 2.25 | 3.043 (3) | 143 |
N1—H2N1···O2i | 0.99 | 2.17 | 3.141 (3) | 169 |
C2—H2A···O1W | 0.93 | 2.45 | 3.351 (3) | 163 |
C8—H8A···O1W | 0.93 | 2.56 | 3.368 (3) | 146 |
Symmetry codes: (i) −x+1, y−1/2, −z; (ii) −x, y−1/2, −z; (iii) x+2, y, z−1. |
Experimental details
Crystal data | |
Chemical formula | C15H15N3O3·H2O |
Mr | 303.32 |
Crystal system, space group | Monoclinic, P21 |
Temperature (K) | 291 |
a, b, c (Å) | 4.7376 (5), 13.270 (2), 11.7265 (16) |
β (°) | 98.459 (4) |
V (Å3) | 729.18 (17) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.10 |
Crystal size (mm) | 0.28 × 0.20 × 0.18 |
Data collection | |
Diffractometer | Bruker SMART APEXII CCD area-detector |
Absorption correction | Multi-scan (SADABS; Bruker, 2005) |
Tmin, Tmax | 0.972, 0.982 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 6511, 1679, 1433 |
Rint | 0.028 |
(sin θ/λ)max (Å−1) | 0.642 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.035, 0.085, 1.03 |
No. of reflections | 1679 |
No. of parameters | 200 |
No. of restraints | 1 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.14, −0.13 |
Computer programs: APEX2 (Bruker, 2005), SAINT (Bruker, 2005), SHELXS97 (Sheldrick, 2008), SHELXL97 (Sheldrick, 2008), SHELXTL (Sheldrick, 2008)', SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2009).
D—H···A | D—H | H···A | D···A | D—H···A |
O1W—H1W1···O1i | 0.9200 | 2.0000 | 2.926 (3) | 174 |
O2—H2···N3 | 0.9300 | 1.8500 | 2.650 (3) | 143 |
O1W—H2W1···O1ii | 0.8300 | 1.9500 | 2.787 (3) | 176 |
N2—H2N···O1W | 0.9500 | 2.1500 | 3.084 (3) | 167 |
N1—H1N1···O3iii | 0.9300 | 2.2500 | 3.043 (3) | 143 |
N1—H2N1···O2i | 0.9900 | 2.1700 | 3.141 (3) | 169 |
C2—H2A···O1W | 0.9300 | 2.4500 | 3.351 (3) | 163 |
C8—H8A···O1W | 0.9300 | 2.5600 | 3.368 (3) | 146 |
Symmetry codes: (i) −x+1, y−1/2, −z; (ii) −x, y−1/2, −z; (iii) x+2, y, z−1. |
Footnotes
‡Present address: Structural Dynamics of (Bio)Chemical Systems, Max Planck Institute for Biophysical Chemistry, Am Fassberg 11, 37077 Göttingen, Germany.
Acknowledgements
HK thanks PNU for financial support. MNT thanks GC University of Sargodha, Pakistan for the research facility.
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Schiff bases are one of the most prevalent mixed-donor ligands in the field of coordination chemistry. They play an important role in the development of coordination chemistry related to catalysis and magnetism, and supramolecular architectures (Karthikeyan et al., 2006; Kucukguzel et al., 2006). Structures of Schiff bases derived from substituted 4-aminobenzohydrazide have been reported earlier (Kargar et al., 2012a,b; Xu, 2012; Shi & Li, 2012; Bakir & Green, 2002). In order to explore the structure of the new Schiff base derivatives, the title compound was prepared and characterized crystallographically.
The asymmetric unit of the title compound, Fig. 1, comprises a molecule of the title hydazide Schiff base and a water molecule of crystallization. It shows E conformation around C═N bond. The bond lengths (Allen et al., 1987) and angles are within normal ranges and are comparable to the related structures (Kargar et al., 2012a,b; Xu, 2012; Shi & Li, 2012; Bakir & Green, 2002). Intramolecular O—H···N hydrogen bond makes S(6) ring motif (Bernstein et al., 1995). The dihedral angle between the substituted phenyl rings is 23.40 (11)Å. The water molecule mediates linking of the neighboring molecules through O—H···(O, O) hydrogen bondings into infinite chains along the a axis which are further connected together through N—H···O hydrogen bonds, forming two-dimensional network parallel to (0 0 1) [Fig. 2].