Abstract
With a tridentate hydrazone ligand N′-(3-bromo-2-hydroxybenzylidene)-2-methylbenzohy-drazide (H2L) and a bidentate ligand benzohydroxamic acid (HL′) with VO(Acac)2, a mononuclear vanadium(V) complex was prepared and characterized by elemental analysis, IR spectroscopy and X-ray structure determination (CIF file CCDC no. 1029909). The complex crystallizes in the monoclinic space group C2/c with unit cell dimensions a = 27.870(2), b = 11.4893(5), c = 18.467(2) A, β = 131.444(1)°, V = 4432.6(6) A3, Z = 8, R1 = 0.0350, and wR2 = 0.0749. Single crystal X-ray diffraction analysis reveals that the V atom is coordinated by the phenolate O, imino N and enolate O atoms of the hydrazone ligand, and the carbonyl O and hydroxy O atoms of benzohydroxamate ligand, and one oxo O group, in an octahedral coordination. Catalytic oxidation of the complex on some olefins was performed.
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