Acta Cryst. (2013). E69, o586-o587 [ doi:10.1107/S1600536813007617 ]
Abstract: The title compound, C10H13N3O3, adopts an E conformation with respect to the azomethine bond and crystallizes in the amide form. A classical intramolecular O-HN hydrogen bond is present. The two N atoms of the hydrazinecarboxamide unit are also involved in intermolecular N-HO hydrogen bonds, with the O atom of the hydrazinecarboxamide group acting as the acceptor. Pairs of N-HO hydrogen bond link the molecules into centrosymmetric dimers, which are linked by further N-HO hydrogen bonds into chains along the b axis. The chains are linked by C-H interactions.
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