(E)-3-Amino-4-(2-phenylhydrazinylidene)-1H-pyrazol-5(4H)-one. Corrigendum
نویسندگان
چکیده
The mol-ecule of the title compound, C(9)H(9)N(5)O, is essentially planar (r.m.s. deviation of all atoms = 0.02 Å) except for the NH(2) H atoms. An intra-molecular hydrazinyl-idene-carbonyl N-H⋯O=C hydrogen bond is present. In the crystal, mol-ecules are connected via N-H⋯N/O hydrogen bonds, forming thick layers parallel to (100).
منابع مشابه
A second polymorph of (Z)-3-amino-4-(2-phenylhydrazinylidene)-1H-pyrazol-5(4H)-one
The mol-ecule of the title compound, C9H9N5O, is approximately planar (the r.m.s. deviation of all non-H atoms is 0.08 Å). The amine substituent is pyramidal at the N atom. An intra-molecular N-Hhydrazine⋯O=C hydrogen bond is present. In the crystal, mol-ecules are connected via N-H⋯N and N-H⋯O hydrogen bonds, forming infinite layers parallel to (010). This polymorph is triclinic, space group P...
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The title of the paper by Li, Li, Li, Zhang & Li [Acta Cryst. (2009), E65, o1824] is corrected.[This corrects the article DOI: 10.1107/S1600536809025586.].
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عنوان ژورنال:
دوره 69 شماره
صفحات -
تاریخ انتشار 2013