(E)-3-Amino-4-(2-phenylhydrazinylidene)-1H-pyrazol-5(4H)-one

(E)-3-Amino-4-(2-phenylhydrazinylidene)-1H-pyrazol-5(4H)-one

The molecule of the title compound, C9H9N5O, is essentially planar (r.m.s. deviation of all atoms = 0.02 Å) except for the NH2 H atoms. An intramolecular hydrazinylidene–carbonyl N—H...O=C hydrogen bond is present. In the crystal, molecules are connected via N&...

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Bibliographic Details
Main Authors:	Galal H. Elgemeie, Shahinaz H. Sayed, Peter G. Jones
Format:	Article
Language:	English
Published:	International Union of Crystallography 2013-02-01
Series:	Acta Crystallographica Section E
Online Access:	http://scripts.iucr.org/cgi-bin/paper?S1600536812050854

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