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Title: Synthesis and characterization of vanadium (IV) and (V) complexes with 2,2`- bipyridine ligand
Authors: Othman I. Alajrawy
Keywords: VO(II) complexes, V(V) complexes, 2, 2`- bipyridine, spectroscopy, nitrogen donor ligands.
Issue Date: 2019
Abstract: Four vanadyl VO(II) and vanadate V(V) with 2,2`- bipyridine complexes were synthesized. Different techniques have been used to characterize the complexes such as FT-IR, UV-Vis., mass, 1H-NMR spectroscopy and magnetic susceptibility. The acquired data show that 2,2`-bipyridine is bound through the nitrogen atoms of the two rings. Mass spectroscopic data showed that the complexes (1- 3) were dinuclear while the complex (4) was mononuclear. The FT-IR, UV-Vis and 1H-NMR data confirmed the proposed structures of the complexes square pyramidal geometry structures for 1-2 complexes and octahedral geometry structures for 3-4 complexes. All complexes are stable, non-hygroscopic and ionic except the complex (1).
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