Synthesis, Crystal Structure and Redox Properties of VO3+Hydrazone Complex with Alkoxide Ligand

Abstract

Abstract: The complex VO(L) (CH₃O) (CH₃OH) (H₂L=salicylaldehyde benzoylhydrazone) was synthesized and characterized by elemental anlyasis, IR, UV, ¹H NMR, cyclic voltammetry measurements and X-ray diffraction. The crystal belongs to monoclinic system, space group P2₁/c, with the crystal cell dimensions a=0. 8161(1) nm, b=1. 6946(2) nm, c=1. 2232(1) nm, β=104. 274(9)°, V=1. 6394(3) nm³, M_r=368. 26, Z=4. Two oxygen atoms and one nitrogen atom of the tridentate hydrazone ligand are coordinated to vanadium(V) atom, forming an equatorial plane. The vanadium atom approximates to a distorted octahedral coordination sphere. The redox potentials of the title complex in different solvents follow the order: CH₂Cl₂<CH₃CN<DMF.

Key words: Oxovanadium(V) complex, Hydrazone, Crystal structure, Redox properties

CLC Number:

O614

TrendMD:

GAO Shan, LIU Shi-Xiong . Synthesis, Crystal Structure and Redox Properties of VO³⁺Hydrazone Complex with Alkoxide Ligand[J]. Chem. J. Chinese Universities, 2000, 21(5): 671.

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Synthesis, Crystal Structure and Redox Properties of VO³⁺Hydrazone Complex with Alkoxide Ligand

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