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N'-(4-Chloro-benzyl-idene)-2-hydroxy-benzohydrazide.

ABSTRACT: The title mol-ecule, C(14)H(11)ClN(2)O(2), adopts a trans configuration with respect to the C=N double bond. An intra-molecular N-H⋯O hydrogen bond contributes to mol-ecular conformation and the two benzene rings form a dihedral angle of 17.9 (8)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains running along [10].

SUBMITTER: Zhang SP

PROVIDER: S-EPMC2967992 | biostudies-literature | 2008 Dec

REPOSITORIES: biostudies-literature

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N'-(4-Chloro-benzyl-idene)-2-hydroxy-benzohydrazide.

Zhang Shu-Ping SP Qiao Rui R Shao Si-Chang SC

Acta crystallographica. Section E, Structure reports online 20081210 Pt 1

The title mol-ecule, C(14)H(11)ClN(2)O(2), adopts a trans configuration with respect to the C=N double bond. An intra-molecular N-H⋯O hydrogen bond contributes to mol-ecular conformation and the two benzene rings form a dihedral angle of 17.9 (8)°. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into chains running along [10]. ...[more]

PMID: 21581722

Similar Datasets

N'-(2-Chloro-benzyl-idene)-4-hydroxy-benzohydrazide.

Project description:In the mol-ecule of the title compound, C(14)H(11)ClN(2)O(2), the dihedral angle between the benzene rings is 30.53 (4)°. In the crystal structure, inter-molecular O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into a two-dimensional network. π-π contacts between benzene rings [centroid-centroid distance = 3.619 (1) Å] may further stabilize the structure. The crystal studied was found to be an inversion twin.

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N'-(5-Chloro-2-hydroxy-benzyl-idene)-4-hydroxy-benzohydrazide.

Project description:The title Schiff base compound, C(14)H(11)ClN(2)O(3), was prepared by the reaction of 5-chloro-salicylaldehyde and 4-hydroxy-benzohydrazide. The mol-ecule exists in a trans configuration with respect to the methyl-idene group. The dihedral angle between the two benzene rings is 40.1 (2)°. An intra-molecular O-H⋯N hydrogen bond helps to stabilize the mol-ecular conformation. In the crystal structure, mol-ecules are linked into a three-dimensional network by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.

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4-Chloro-N'-(5-chloro-2-hydroxy-benzyl-idene)benzohydrazide.

Project description:The mol-ecule of the title compound, C(14)H(10)Cl(2)N(2)O(2), displays a trans configuration with respect to the C=N double bond and has an intramolecular O-H?N hydrogen bond. The dihedral angle between the two benzene rings is 1.4?(2)°. In the crystal structure, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains running along the a direction.

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(E)-4-Chloro-N'-(4-hydroxy-benzyl-idene)-benzohydrazide.

Project description:The mol-ecule of the title compound, C(14)H(11)ClN(2)O(2), displays a trans configuration with respect to the C=N double bond. The dihedral angle between the two benzene rings is 12.8?(3)°. In the crystal structure, mol-ecules are linked through inter-molecular O-H?O and N-H?O hydrogen bonds and C-H?? inter-actions, forming a three-dimensional network.

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4-Chloro-N'-(2-hydroxy-benzyl-idene)benzohydrazide monohydrate.

Project description:The asymmetric unit of the title compound, C(14)H(11)ClN(2)O(2)·H(2)O, contains a Schiff base mol-ecule and a water mol-ecule of crystallization. The dihedral angle between the two aromatic rings is 27.3 (4)°. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the bc plane by inter-molecular O-H⋯O and N-H⋯O hydrogen bonds involving the water mol-ecules.

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N'-(5-Bromo-2-hydroxy-benzyl-idene)-4-chloro-benzohydrazide.

Project description:The title Schiff base, C(14)H(10)BrClN(2)O(2), exists in a trans configuration with respect to the C=N bond and the dihedral angle between the two benzene rings is 0.8 (2)°. There is an intra-molecular O-H⋯N hydrogen bond in the mol-ecule, which generates an S(6) loop. In the crystal, inter-molecular N-H⋯O hydrogen bonds link adjacent mol-ecules into extended chains propagating along the c-axis direction.

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Project description:The benzohydrazide mol-ecule in the title dihydrate, C(14)H(11)ClN(2)O(5)·2H(2)O, is non-planar, with the two aromatic rings at either side of the -C(=O)-NH-N=CH- unit forming a dihedral angle of 29.7 (2)°. The benzohydrazide mol-ecule is linked to the water mol-ecules by O-H⋯O and N-H⋯O hydrogen bonds, with other O-H⋯O hydrogen bonds leading to a layer structure.

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(E)-N'-(2-Chloro-benzyl-idene)-3,5-di-hydroxy-benzohydrazide dihydrate.

Project description:In the Schiff base mol-ecule of the title compound, C(14)H(11)ClN(2)O(3)·2H(2)O, the benzene rings form a dihedral angle of 20.6?(1)°. The water molecules of crystallization are involved in the formation of a three-dimensional hydrogen-bonding network via O-H?O and N-H?O hydrogen bonds.

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(E)-N'-(5-Chloro-2-hydroxy-benzyl-idene)-2-nitro-benzohydrazide.

Project description:In the title Schiff base compound, C(14)H(10)ClN(3)O(4), the mol-ecule adopts an E geometry with respect to the C=N bond and an intra-molecular O-H⋯N hydrogen bond is present. The benzene rings form a dihedral angle of 73.4 (2)°. In the crystal, inversion dimers linked by pairs of N-H⋯O hydrogen bonds occur.

| S-EPMC2970017 | biostudies-literature

N'-(3-Bromo-5-chloro-2-hydroxy-benzyl-idene)-2-chloro-benzohydrazide methanol solvate.

Project description:In the title compound, C(14)H(9)BrCl(2)N(2)O(2)·CH(4)O, the dihedral angle between the two benzene rings is 49.2 (2)° and an intra-molecular O-H⋯N hydrogen bond occurs. In the crystal struture, mol-ecules are linked by O-H⋯O and N-H⋯O hydrogen bonds.

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