论文信息 - HIGH PRESSURE NMR STUDY ON THE KINETICS OF LIGAND EXCHANGE REACTION IN PENTAKIS(DIMETHYL SULFOXIDE)OXOVANADIUM(IV)

HIGH PRESSURE NMR STUDY ON THE KINETICS OF LIGAND EXCHANGE REACTION IN PENTAKIS(DIMETHYL SULFOXIDE)OXOVANADIUM(IV)

The kinetics of ligand exchange in [VO(dmso)5]2+ (dmso = dimethyl sulfoxide) has been studied by the high pressure NMR method. The volume of activation ΔV≠ for the dmso exchange at the basal positions of [VO(dmso)5]2+ was determined to be (−5.3±0.4) cm3/mol. This negative value of ΔV≠ is consistent with associative behavior in the ligand substitution processes of oxovanadium(IV) complexes.

M. Harada | H. Tomiyasu | Y. Ikeda | H. Fukutomi

[1] Osamu. Yokoyama,et al. Fluorine-19 and carbon-13 NMR study of the kinetics of ligand-exchange reactions in oxovanadium(IV) complexes , 1982 .

[2] K. E. Newman,et al. High-pressure oxygen-17 NMR evidence for a gradual mechanistic changeover from Ia to Id for water exchange on divalent octahedral metal ions going from manganese(II) to nickel(II) , 1980 .

[3] Kazuo Saito,et al. A kinetic study of anation of thiocyanate and azide to aquaoxo((2-pyridylmethyl)iminodiacetato)vanadium(IV) and the aquation of the product in aqueous solution. A direct basal site substitution , 1978 .

[4] A. Merbach,et al. Two approaches to high-resolution high-pressure nuclear magnetic resonance☆☆☆ , 1978 .

[5] R. Jordan,et al. Line broadening of the proton magnetic resonance of nonaqueous solvents by vanadyl ion , 1969 .

[6] T. J. Swift,et al. NMR‐Relaxation Mechanisms of O17 in Aqueous Solutions of Paramagnetic Cations and the Lifetime of Water Molecules in the First Coordination Sphere , 1962 .