Acta Cryst. (2009). E65, o678  [ doi:10.1107/S1600536809007272 ]

(E)-6-Chloro-N'-(3,5-dichloro-2-hydroxybenzylidene)nicotinohydrazide

C. Ren

Abstract: The title Schiff base compound, C₁₃H₈Cl₃N₃O₂, was synthesized by the condensation reaction of 3,5-dichlorosalicylaldehyde with 6-chloronicotinic acid hydrazide in 95% ethanol. The molecule is nearly planar, with a dihedral angle of 1.9 (2)° between the aromatic ring planes, and an intramolecular O-HN hydrogen bond is observed. In the crystal, the molecules are connected by intermolecular N-HO hydrogen bonds into infinite chains propagating in [100].

Online 6 March 2009

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