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

Abstract

The mol-ecule 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 mol-ecules are linked into a layered structure by hydr-oxy-oxo O-H⋯O and triazol-yl-hydr-oxy 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… (More)
DOI: 10.1107/S1600536808039688

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