Acta Cryst. (2012). E68, o1042  [ doi:10.1107/S1600536812010148 ]

N'-(3,5-Dichloro-2-hydroxybenzylidene)-4-(dimethylamino)benzohydrazide methanol monosolvate

H. Xu and J. Sun

Abstract: The title compound, C₁₆H₁₅Cl₂N₃O₂·CH₃OH, a Schiff base molecule, is prepared by the reaction of 3,5-dichlorosalicylaldehyde with 4-dimethylaminobenzohydrazide in methanol. The Schiff base molecule is approximately planar, with a mean deviation from the least-squares plane defined by the non-H atoms of 0.0452 (3) Å, and with a dihedral angle between the benzene rings of 4.2 (3)°. This planarity is assisted by the formation of an intramolecular O-HN hydrogen bond. In the crystal, adjacent Schiff base molecules are linked by two methanol molecules through N-HO and O-HO hydrogen bonds, forming dimers.

Online 10 March 2012

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