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Synthesis and Structure of (4-methyl-pyridine-N-oxide)oxo-(salicylaldehyde 4-phenylthiosemicarbazonato)vanadium(IV)

New title complex has been synthesized by the reaction of salicylaldehyde 4-phenylthiosemicarbazone with 4-methylpyridine-N-oxide and [VO(acac)2].The tetragonal pyramidal coordination about vanadium atom is realized through O, N, S-donors of a doubly deprotonated thiosemicarbazonato ligand, oxygen atom from 4-methylpyridine-N-oxide molecule and in the apical position completed by an oxo group. The complex molecules are held together by hydrogen bonds and by π – π interactions between the aromatic rings of the ligand. The title complex has been characterized by chemical analysis, IR spectroscopy, TG and X-ray crystallography.

Vanadium; oxo-vanadium complexes; thiosemicarbazonato complexes; crystal structure

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