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In the title complex, [Cu(C 7 H 4 NO 4 )(C 5 H 5 N 2 O 2 )(H 2 O) 2 ], the Cu II  ion is coordinated in a slightly distorted square-pyramidal enviroment. The basal plane is formed by an N atom and an O atom from a 5-methyl-1 H -pyrazole-3-carboxyl­ate ligand and by two O atoms from two water ligands. The apical position is occupied by a carboxylate O atom from a 4-nitro­benzoate ligand. In the crystal structure, inter­molecular O—H⋯O and N—H⋯O hydrogen bonds link complex moleclues, forming extended chains parallel to the  a  axis.

Diaqua(5-methyl-1H-pyrazole-3-carboxylato)(4-nitrobenzoato)copper(II)