Acta Cryst. (2012). E68, o3140-o3141 [ doi:10.1107/S1600536812041694 ]
Abstract: In the title compound C10H11N3O, the mean plane of the indole ring system (r.m.s. deviation 0.0131 Å) subtends a dihedral angle of 87.27 (5)° to the almost planar acetohydrazide substituent (r.m.s. deviation 0.0291 Å). In the crystal, bifurcated N-H(O,N) and N-HN hydrogen bonds involving the pyrrole N-H grouping combine to form zigzag chains along a. Additional N-HO contacts from the hydrazide N-H group augmented by C-H interactions link the molecules into chains along the a axis. The overall effect of these contacts is a three-dimensional network structure with molecules stacked along the b-axis direction.
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