Pyrimidine-2-carboxamide

In the crystal strucuture of the title compound, C(5)H(5)N(3)O, which was obtained upon recrystallization of 2-cyano­pyrimidine from aqueous sodium hydroxide, the amide group is twisted with respect to the aromatic ring by 24.9 (1)°. π–π stacking is observed between partially overlapped rings at a f...

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Detalles Bibliográficos
Autores principales: Zhang, Bing-Yu, Yang, Qian, Nie, Jing-Jing
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2007
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2915179/
https://www.ncbi.nlm.nih.gov/pubmed/21200670
http://dx.doi.org/10.1107/S1600536807062770
Descripción
Sumario:In the crystal strucuture of the title compound, C(5)H(5)N(3)O, which was obtained upon recrystallization of 2-cyano­pyrimidine from aqueous sodium hydroxide, the amide group is twisted with respect to the aromatic ring by 24.9 (1)°. π–π stacking is observed between partially overlapped rings at a face-to-face separation of 3.439 (6) Å. The structure features a centrosymmetric pair of inter­molecular N—H⋯O hydrogen bonds. Another N—H⋯O hydrogen bond between adjacent mol­ecules links them into a helical chain motif.

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