Acta Crystallographica Section E (Jan 2012)
5-Amino-1-(4-nitrophenyl)-1H-pyrazole-3-carbonitrile
Abstract
The title compound, C10H7N5O2, was synthesized by the reaction of 4-nitroaniline and 2,3-dicyanopropionic acid ethyl ester. In the crystal, N—H...O and C—H...O hydrogen bonds link the molecules, forming a three-dimensional network.