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Synthesis and Characterization of Transition Metal Complexes of 1,2-Bis(3,5-Dimethylpyrazol-1-yl)-1,2-Ethanediol

Copper (II), nickel (II) and vanadyl complexes of 1,2-bis (3,5-dimethylpyrazol-1-yl)-1,2-ethanediol were prepared by the reaction of transition metal salts (chloride, acetate, sulfate) with the ligand in ethanol solution. The composition of the complexes was confirmed by elemental analysis and molar conductivity measurements. The coordination modes of the ligand and counter-ions were established from IR spectra and DFT calculations.