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N'-[(E)-1-(2-Fluoro-phen-yl)ethyl-idene]pyridine-4-carbohydrazide.

ABSTRACT: The title compound, C14H12FN3O, adopts an E conformation with respect to the azomethine bond. The pyridyl and fluoro-benzene rings make dihedral angles of 38.58?(6) and 41.61?(5)° respectively with the central C(=O)N2CC unit, resulting in a non-planar mol-ecule. The inter-molecular inter-actions comprise two classical N-H?O and N-H?N hydrogen bonds and four non-classical C-H?O and C-H?F hydrogen bonds. These inter-actions are augmented by a weak ?-? inter-action between the benzene and pyridyl rings of neighbouring mol-ecules, with a centroid-centroid distance of 3.9226?(10)?Å. This leads to a three-dimensional supra-molecular assembly in the crystal system. The F atom is disordered over two sites in a 0.559?(3): 0.441?(3) ratio, through a 180° rotation of the fluoro-benzene ring.

SUBMITTER: Sreeja PB 

PROVIDER: S-EPMC4011257 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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N'-[(E)-1-(2-Fluoro-phen-yl)ethyl-idene]pyridine-4-carbohydrazide.

Sreeja P B PB   Sithambaresan M M   Aiswarya N N   Kurup M R Prathapachandra MR  

Acta crystallographica. Section E, Structure reports online 20140409 Pt 5

The title compound, C14H12FN3O, adopts an E conformation with respect to the azomethine bond. The pyridyl and fluoro-benzene rings make dihedral angles of 38.58 (6) and 41.61 (5)° respectively with the central C(=O)N2CC unit, resulting in a non-planar mol-ecule. The inter-molecular inter-actions comprise two classical N-H⋯O and N-H⋯N hydrogen bonds and four non-classical C-H⋯O and C-H⋯F hydrogen bonds. These inter-actions are augmented by a weak π-π inter-action between the benzene and pyridyl r  ...[more]

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