Di-μ-chlorido-bis[chlorido(dimethylformamide-κN)(3,5-diphenyl-1H-pyrazole-κN2)copper(II)]

Abstract

The title compound, [Cu2Cl4(C15H12N2)2(C3H7NO)2], Cu2(μ-Cl)2Cl2(3,5-diphenyl-1H-pyrazole)2(DMF)2, where DMF is N,N-dimethylformamide, crystallizes in the monoclinic space group P21/n. The five-coordinate CuII ions have a distorted square-pyramidal geometry and are joined via two μ-Cl anions. The coordination environment of each CuII ion is completed by a terminal chloride anion, a nitrogen-coordinated 3,5-diphenyl-1H-pyrazole molecule, and a DMF molecule. Two intramolecular hydrogen bonds exist in the molecule as the H atom of the protonated N atom of the 3,5-diphenyl-1H-pyrazole bonds to a terminal chloride anion of the adjacent CuII cation. In addition, molecules are linked into a two-dimensional sheet via weak C—H...Cl intermolecular hydrogen bonds. Each dimer hydrogen bonds to four neighboring molecules as the H atom of the C atom in the fourth position of the pyrazole ring bonds to a μ-Cl on a neighboring molecule.

Keywords

• crystal structure
• copper complex
• 3,5-diphenyl-1H-pyrazole