4-Amino-3-(4-hydroxy­phen­yl)-1H-1,2,4-triazol-5(4H)-one

The mol­ecule of the title compound, C(8)H(8)N(4)O(2), is nearly planar, with a dihedral angle between the rings of 1.1 (1)°. Adjacent mol­ecules are linked into a layered structure by hydr­oxy–oxo O—H⋯O and triazol­yl–hydr­oxy N—H⋯O hydrogen bonds. Only one of the H atoms of the pyramidal amino gro...

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Detalles Bibliográficos
Autores principales: Shi, Kai-Ge, Yang, Guang, Ng, Seik Weng
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2008
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2960044/
https://www.ncbi.nlm.nih.gov/pubmed/21581448
http://dx.doi.org/10.1107/S1600536808039688
Descripción
Sumario:The mol­ecule of the title compound, C(8)H(8)N(4)O(2), is nearly planar, with a dihedral angle between the rings of 1.1 (1)°. Adjacent mol­ecules are linked into a layered structure by hydr­oxy–oxo O—H⋯O and triazol­yl–hydr­oxy N—H⋯O hydrogen bonds. Only one of the H atoms of the pyramidal amino group is engaged in building up the infinite layer. The second H atom of the amino group also shows hydrogen-bonding inter­actions, linking adjacent layers into a three-dimensional network.

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