Acta Crystallographica Section E

Volume 67, Part 8 (August 2011)

organic compounds

qm2014 scheme

Acta Cryst. (2011). E67, o2002 [ doi:10.1107/S1600536811025463 ]

2-Cyano-N'-(5-hydroxy-2-nitrobenzylidene)acetohydrazide monohydrate

H. Li and X. Ni

Abstract: The title compound, C₁₀H₈N₄O₄·H₂O, was obtained by the reaction of 5-hydroxy-2-nitrobenzaldehyde with cyanoacetohydrazide in methanol. The non-H atoms of the hydrazone molecule are approximately coplanar, with a mean deviation from the least-squares plane of 0.056 Å. In the crystal, molecules are linked by N-HO, O-HN and O-HO hydrogen bonds, generating a three-dimensional network.


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