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(E)-3-Amino-4-(2-phenyl-hydrazinyl-idene)-1H-pyrazol-5(4H)-one.

ABSTRACT: 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).

SUBMITTER: Elgemeie GH 

PROVIDER: S-EPMC3569249 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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(E)-3-Amino-4-(2-phenyl-hydrazinyl-idene)-1H-pyrazol-5(4H)-one.

Elgemeie Galal H GH   Sayed Shahinaz H SH   Jones Peter G PG  

Acta crystallographica. Section E, Structure reports online 20130104 Pt 2

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). ...[more]

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