An eight-coordinate vanadium thiolate complex with charge delocalization between V(V)-thiolate and V(IV)-thiyl radical forms

Ya Ho Chang; Chia Ling Su; Ru Rong Wu; Ju Hsiou Liao; Yi Hung Liu; Hua Fen Hsu

doi:10.1021/ja2004208

An eight-coordinate vanadium thiolate complex with charge delocalization between V(V)-thiolate and V(IV)-thiyl radical forms

Ya Ho Chang, Chia Ling Su, Ru Rong Wu, Ju Hsiou Liao, Yi Hung Liu, Hua Fen Hsu

Department of Chemistry

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

27 Citations (Scopus)

Abstract

A six-coordinate oxovanadium(V) thiolate complex and an eight-coordinate non-oxovanadium thiolate complex, [PPh₄][VO(PS3′′) (OCH₃)] (1) and [NEt₄][V(PS3′′)₂] (2) (PS3′′ = P(C₆H₃-3-Me₃Si-2-S) ₃^3-), respectively, have been isolated and structurally characterized. The former belongs to a limited collection of oxovanadium(V) thiolate complexes. The latter has an unusual coordination number of eight. More importantly, its consensus electronic structure derived from its spectroscopic data should be considered as the resonance forms of V^V-thiolate and V^IV-thiyl radical species. This implies that V^IV-thiyl radical can maintain a stable presence in biological systems.

Original language	English
Pages (from-to)	5708-5711
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	15
DOIs	https://doi.org/10.1021/ja2004208
Publication status	Published - 2011 Apr 20

All Science Journal Classification (ASJC) codes

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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title = "An eight-coordinate vanadium thiolate complex with charge delocalization between V(V)-thiolate and V(IV)-thiyl radical forms",

abstract = "A six-coordinate oxovanadium(V) thiolate complex and an eight-coordinate non-oxovanadium thiolate complex, [PPh4][VO(PS3′′) (OCH3)] (1) and [NEt4][V(PS3′′)2] (2) (PS3′′ = P(C6H3-3-Me3Si-2-S) 33-), respectively, have been isolated and structurally characterized. The former belongs to a limited collection of oxovanadium(V) thiolate complexes. The latter has an unusual coordination number of eight. More importantly, its consensus electronic structure derived from its spectroscopic data should be considered as the resonance forms of VV-thiolate and VIV-thiyl radical species. This implies that VIV-thiyl radical can maintain a stable presence in biological systems.",

author = "Chang, {Ya Ho} and Su, {Chia Ling} and Wu, {Ru Rong} and Liao, {Ju Hsiou} and Liu, {Yi Hung} and Hsu, {Hua Fen}",

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T1 - An eight-coordinate vanadium thiolate complex with charge delocalization between V(V)-thiolate and V(IV)-thiyl radical forms

AU - Chang, Ya Ho

AU - Su, Chia Ling

AU - Wu, Ru Rong

AU - Liao, Ju Hsiou

AU - Liu, Yi Hung

AU - Hsu, Hua Fen

PY - 2011/4/20

Y1 - 2011/4/20

N2 - A six-coordinate oxovanadium(V) thiolate complex and an eight-coordinate non-oxovanadium thiolate complex, [PPh4][VO(PS3′′) (OCH3)] (1) and [NEt4][V(PS3′′)2] (2) (PS3′′ = P(C6H3-3-Me3Si-2-S) 33-), respectively, have been isolated and structurally characterized. The former belongs to a limited collection of oxovanadium(V) thiolate complexes. The latter has an unusual coordination number of eight. More importantly, its consensus electronic structure derived from its spectroscopic data should be considered as the resonance forms of VV-thiolate and VIV-thiyl radical species. This implies that VIV-thiyl radical can maintain a stable presence in biological systems.

AB - A six-coordinate oxovanadium(V) thiolate complex and an eight-coordinate non-oxovanadium thiolate complex, [PPh4][VO(PS3′′) (OCH3)] (1) and [NEt4][V(PS3′′)2] (2) (PS3′′ = P(C6H3-3-Me3Si-2-S) 33-), respectively, have been isolated and structurally characterized. The former belongs to a limited collection of oxovanadium(V) thiolate complexes. The latter has an unusual coordination number of eight. More importantly, its consensus electronic structure derived from its spectroscopic data should be considered as the resonance forms of VV-thiolate and VIV-thiyl radical species. This implies that VIV-thiyl radical can maintain a stable presence in biological systems.

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An eight-coordinate vanadium thiolate complex with charge delocalization between V(V)-thiolate and V(IV)-thiyl radical forms

Abstract

All Science Journal Classification (ASJC) codes

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