Abstract
Zinc(II) complexes, [Zn(MPCA)3][ZnCl4] (1) and [Zn(MPCA)3][ZnBr4] (2) (where MPCA is O-methylpyridine-2-carboximidate), were synthesized from the reaction of ZnCl2 and ZnBr2 with 2-pyridinecarbonitrile in methanol, respectively. Both complexes were thoroughly characterized by elemental analysis, thermogravimetric analysis, differential thermal analysis and IR, UV–Vis, 1H NMR spectroscopy, and their structures have been determined by the single-crystal X-ray diffraction. The spectroscopic investigations and X-ray structural analysis indicated that in both complexes, the nitrile group of ligand has been methoximation in methanol solvent in the presence of zinc(II) salts. The luminescence spectra of both complexes show that the intensity of their emission bands is stronger than that of the bands for the free O-methylpyridine-2-carboximidate ligands.
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