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(E)-N'-(5-Bromo-2-hy-droxy-3-meth-oxy-benzyl-idene)-2-hy-droxy-benzohydrazide monohydrate.

ABSTRACT: The organic molecule of the title hydrate, C(15)H(13)BrN(2)O(4)·H(2)O, is roughly planar, with a mean deviation of 0.0939?(2)?Å. The dihedral angle between the two aromatic rings is 8.2?(3)°. Intra-molecular O-H?N and O-H?O hydrogen bonds are observed. In the crystal, N-H?O(water) and O(water)-H?O hydrogen bonds lead to a three-dimensional network.

SUBMITTER: Zhao S

PROVIDER: S-EPMC3393308 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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(E)-N'-(5-Bromo-2-hy-droxy-3-meth-oxy-benzyl-idene)-2-hy-droxy-benzohydrazide monohydrate.

Zhao Shunsheng S Li Lanlan L Liu Xiangrong X Feng Weixu W Lü Xingqiang X

Acta crystallographica. Section E, Structure reports online 20120613 Pt 7

The organic molecule of the title hydrate, C(15)H(13)BrN(2)O(4)·H(2)O, is roughly planar, with a mean deviation of 0.0939 (2) Å. The dihedral angle between the two aromatic rings is 8.2 (3)°. Intra-molecular O-H⋯N and O-H⋯O hydrogen bonds are observed. In the crystal, N-H⋯O(water) and O(water)-H⋯O hydrogen bonds lead to a three-dimensional network. ...[more]

PMID: 22807865

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(E)-4-Bromo-N'-(4-hy-droxy-3-meth-oxy-benzyl-idene)benzohydrazide monohydrate.

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(E)-N'-(5-Bromo-2-hy-droxy-benzyl-idene)-3-meth-oxy-benzohydrazide.

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Project description:In the title compound, C(16)H(15)BrN(2)O(4)·H(2)O, the hydrazide mol-ecule is nearly planar, with a largest deviation from the mean plane through the non-H atoms of 0.106?(4)?Å and a dihedral angle between the benzene rings of 1.98?(16)°. This mol-ecule adopts an E conformation about the C=N bond and an intra-molecular O-H?N hydrogen bond increases the rigidity. In the crystal, some mol-ecules of the title hydrazide are replaced by mol-ecules of its 6-bromo isomer, and the Br atom from this admixture mol-ecule was refined to give a partial occupancy of 0.0523?(13). The hydrazide and water mol-ecules are linked through classical N-H?O and O-H?O hydrogen bonds, forming layers parallel to (110). C-H?? inter-actions are also present.

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(E)-4-Hy-droxy-N'-(3-hy-droxy-4-meth-oxy-benzyl-idene)benzohydrazide.

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(E)-4-Hy-droxy-N'-(4-hy-droxy-3-meth-oxy-benzyl-idene)benzohydrazide.

Project description:In the title compound, C(15)H(14)N(2)O(4), the N=C double bond has an E configuration. The two benzene rings make a dihedral angle of 28.59?(6)°. In the crystal, mol-ecules are linked into a three-dimensional network by inter-molecular N-H?O, O-H?O and C-H?O hydrogen bonds and stabilized by weak C-H?? inter-actions.

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