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4-Amino-3-(4-hydroxy-phen-yl)-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 H atom of the amino group also shows hydrogen-bonding inter-actions, linking adjacent layers into a three-dimensional network.

SUBMITTER: Shi KG

PROVIDER: S-EPMC2960044 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

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4-Amino-3-(4-hydroxy-phen-yl)-1H-1,2,4-triazol-5(4H)-one.

Shi Kai-Ge KG Yang Guang G Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20081129 Pt 12

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 H atom of the amino group also shows hydrogen-bonding inter-actions, linking adjacent layers into a three-dimensional network. ...[more]

PMID: 21581448

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