High pressure NMR studies on ligand exchange reactions in the equatorial sites of [VO(L)5]2+ (L=acetonitrile, N,N-dimethylformamide, and N,N-dimethylacetamide)

Jung Sung Kim; Takaaki Matsuda; Masayuki Harada; Seong Yun Kim; Yoon Yul Park; Hiroshi Tomiyasu; Yasuhisa Ikeda

doi:10.1016/S0020-1693(99)00283-2

High pressure NMR studies on ligand exchange reactions in the equatorial sites of [VO(L)₅]²⁺ (L=acetonitrile, N,N-dimethylformamide, and N,N-dimethylacetamide)

Jung Sung Kim, Takaaki Matsuda, Masayuki Harada, Seong Yun Kim, Yoon Yul Park, Hiroshi Tomiyasu, Yasuhisa Ikeda

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Kinetics of ligand exchange reactions in the equatorial sites of [VO(L)₅]²⁺ [L=acetonitrile, N,N-dimethylformamide (DMF), and N,N-dimethylacetamide (DMA)] have been studied by using high pressure NMR method. The values of activation volume (ΔV^≠, cm³ mol^-1) are -1.0±0.6 for [VO(CH₃CN)₅]²⁺, -6.8±0.4 for [VO(DMF)₅]²⁺, and -9.7±0.9 for [VO(DMA)₅]²⁺. On the basis of the ΔV^≠ values obtained in the present and previous studies, the mechanism for the ligand exchange reactions in the equatorial sites of [VO(L)₅]²⁺ (L=unidentate oxygen or nitrogen donor ligands) was discussed.

Original language	English
Pages (from-to)	119-122
Number of pages	4
Journal	Inorganica Chimica Acta
Volume	294
Issue number	1
DOIs	https://doi.org/10.1016/S0020-1693(99)00283-2
Publication status	Published - 1999 Nov 2

Keywords

Activation volume
High pressure NMR
Oxovanadium ions

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10.1016/S0020-1693(99)00283-2

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title = "High pressure NMR studies on ligand exchange reactions in the equatorial sites of [VO(L)5]2+ (L=acetonitrile, N,N-dimethylformamide, and N,N-dimethylacetamide)",

abstract = "Kinetics of ligand exchange reactions in the equatorial sites of [VO(L)5]2+ [L=acetonitrile, N,N-dimethylformamide (DMF), and N,N-dimethylacetamide (DMA)] have been studied by using high pressure NMR method. The values of activation volume (ΔV≠, cm3 mol-1) are -1.0±0.6 for [VO(CH3CN)5]2+, -6.8±0.4 for [VO(DMF)5]2+, and -9.7±0.9 for [VO(DMA)5]2+. On the basis of the ΔV≠ values obtained in the present and previous studies, the mechanism for the ligand exchange reactions in the equatorial sites of [VO(L)5]2+ (L=unidentate oxygen or nitrogen donor ligands) was discussed.",

keywords = "Activation volume, High pressure NMR, Oxovanadium ions",

author = "Kim, {Jung Sung} and Takaaki Matsuda and Masayuki Harada and Kim, {Seong Yun} and Park, {Yoon Yul} and Hiroshi Tomiyasu and Yasuhisa Ikeda",

note = "Funding Information: This paper has been partly supported by a grant-in-aid for Scientific Research (A)(2) No. 08409004 from the Ministry of Education, Science and Culture of Japan, by Research for the Future Program of JSPS for the study of supercritical fluids, and by the Taegu University Research Grants.",

year = "1999",

month = nov,

day = "2",

doi = "10.1016/S0020-1693(99)00283-2",

language = "English",

volume = "294",

pages = "119--122",

journal = "Inorganica Chimica Acta",

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TY - JOUR

T1 - High pressure NMR studies on ligand exchange reactions in the equatorial sites of [VO(L)5]2+ (L=acetonitrile, N,N-dimethylformamide, and N,N-dimethylacetamide)

AU - Kim, Jung Sung

AU - Matsuda, Takaaki

AU - Harada, Masayuki

AU - Kim, Seong Yun

AU - Park, Yoon Yul

AU - Tomiyasu, Hiroshi

AU - Ikeda, Yasuhisa

N1 - Funding Information: This paper has been partly supported by a grant-in-aid for Scientific Research (A)(2) No. 08409004 from the Ministry of Education, Science and Culture of Japan, by Research for the Future Program of JSPS for the study of supercritical fluids, and by the Taegu University Research Grants.

PY - 1999/11/2

Y1 - 1999/11/2

N2 - Kinetics of ligand exchange reactions in the equatorial sites of [VO(L)5]2+ [L=acetonitrile, N,N-dimethylformamide (DMF), and N,N-dimethylacetamide (DMA)] have been studied by using high pressure NMR method. The values of activation volume (ΔV≠, cm3 mol-1) are -1.0±0.6 for [VO(CH3CN)5]2+, -6.8±0.4 for [VO(DMF)5]2+, and -9.7±0.9 for [VO(DMA)5]2+. On the basis of the ΔV≠ values obtained in the present and previous studies, the mechanism for the ligand exchange reactions in the equatorial sites of [VO(L)5]2+ (L=unidentate oxygen or nitrogen donor ligands) was discussed.

AB - Kinetics of ligand exchange reactions in the equatorial sites of [VO(L)5]2+ [L=acetonitrile, N,N-dimethylformamide (DMF), and N,N-dimethylacetamide (DMA)] have been studied by using high pressure NMR method. The values of activation volume (ΔV≠, cm3 mol-1) are -1.0±0.6 for [VO(CH3CN)5]2+, -6.8±0.4 for [VO(DMF)5]2+, and -9.7±0.9 for [VO(DMA)5]2+. On the basis of the ΔV≠ values obtained in the present and previous studies, the mechanism for the ligand exchange reactions in the equatorial sites of [VO(L)5]2+ (L=unidentate oxygen or nitrogen donor ligands) was discussed.

KW - Activation volume

KW - High pressure NMR

KW - Oxovanadium ions

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U2 - 10.1016/S0020-1693(99)00283-2

DO - 10.1016/S0020-1693(99)00283-2

M3 - Article

AN - SCOPUS:0003321275

SN - 0020-1693

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JO - Inorganica Chimica Acta

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ER -

High pressure NMR studies on ligand exchange reactions in the equatorial sites of [VO(L)₅]²⁺ (L=acetonitrile, N,N-dimethylformamide, and N,N-dimethylacetamide)

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