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Title: Vanadyl VO(II) with o-phenylenediamine complexes preparation and spectral characterization
Authors: Othman I. Alajrawy
Keywords: vanadyl VO(II) complexes, o-phenylenediamine, dinuclear complexes, magnetic susceptibility, FTIR spectroscopy.
Issue Date: 2019
Abstract: Two dinuclear vanadyl VO(II) complexes with o-phenylenediamine (OPD) ligand have been prepared. The complexes have been characterized by different techniques such as FT-IR, Uv-Vis. and mass spectroscopy, magnetic susceptibility and molar conductivity. The obtained FTIR data show that the o-phenylenediamine ligand coordinated from two nitrogen atoms of amine groups. The mass spectral data show that the vanadyl VO(II) complexes are dinuclear and the o-phenylenediamine ligand bind the two vanadium atoms as a bridge ligand. The magnetic susceptibility measurments indicate that the complexes are paramagnetic. UV-Vis. measurements show the peaks of the charge transfer and the metal (d-d) transitions. From all spectroscopic data square pyramidal structures have been proposed for the complexes.
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