In the title compound, C11H8F3N 3O2, there are two molecules in the asymmetric unit wherein the phenyl rings make dihedral angles of 65.3 (2) and 85.6 (2)° with the pyrazole rings. In the crystal, pairs of molecules are held together by O - H⋯O hydrogen bonds between the carboxyl groups, forming a centrosymmetric dimer with an R 2 2 (8) motif. Intra-molecular N - H⋯O inter-actions are also present.
5-Amino-1-phenyl-3-trifluoromethyl-1H-pyrazole-4-carboxylic acid
PETTINARI, Claudio;
2009-01-01
Abstract
In the title compound, C11H8F3N 3O2, there are two molecules in the asymmetric unit wherein the phenyl rings make dihedral angles of 65.3 (2) and 85.6 (2)° with the pyrazole rings. In the crystal, pairs of molecules are held together by O - H⋯O hydrogen bonds between the carboxyl groups, forming a centrosymmetric dimer with an R 2 2 (8) motif. Intra-molecular N - H⋯O inter-actions are also present.File in questo prodotto:
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