(E)-4-Amino-N′-(5-bromo-2-hydroxybenzylidene)benzohydrazide monohydrate
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چکیده
In t the title compound, C(14)H(12)BrN(3)O(2). H(2)O, the conformation of the C=N double bond in the hydrazide Schiff base mol-ecule is E. The dihedral angle between the benzene rings is 48.01 (11) °. An intra-molecular O-H⋯N hydrogen bond makes an S(6) ring motif. In the crystal, mol-ecules are linked through N-H⋯O (bifurcated acceptor) and O-H⋯O hydrogen bonds, forming two-dimensional networks lying parallel to (100).
منابع مشابه
N′-(5-Bromo-2-hydroxybenzylidene)-4-nitrobenzohydrazide methanol monosolvate
In the title compound, C(14)H(10)BrN(3)O(4)·CH(4)O, the benzohydrazide mol-ecule is nearly planar [maximum deviation = 0.110 (2) Å]. The mean planes of the two benzene rings make a dihedral angle of 8.4 (3)°. In the benzohydrazide mol-ecule, there is an intra-molecular O-H⋯N hydrogen bond and the NH group is hydrogen bonded to the methanol solvent mol-ecule. In the crystal, inter-molecular O-H⋯...
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The title compound, C(16)H(16)BrN(3)O(2), crystallized with two independent molcules in the asymmetric unit. Each mol-ecule has an E conformation about the C=N bond and the dihedral angles between the benzene rings are 30.5 (3) and 28.7 (3)°. In each mol-ecule, there is an O-H⋯N hydrogen bond and the two mol-ecules are linked by an N-H⋯O hydrogen bond. In the crystal, mol-ecules are further lin...
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The title compound, C(14)H(12)ClN(3)O(2), displays an E conformation with respect to the C=N double bond. The dihedral angle between the benzene rings is 41.3 (5)°. The mol-ecular structure is stabilized by an intra-molecular O-H⋯N hydrogen bond. In the crystal, N-H⋯O and weak N-H⋯Cl hydrogen bonds link the mol-ecules into a three-dimensional architecture. In addition, there are weak C-H⋯π stac...
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