Valence delocalisation in a triad of binuclear [L(O)VIVOVV(O)L] species electrogenerated from structurally characterised divanadium(V) analogues (L = tridentate ONO ligand)

Chakravarty, Joydip ; Dutta, Somnath ; Chakravorty, Animesh (1993) Valence delocalisation in a triad of binuclear [L(O)VIVOVV(O)L] species electrogenerated from structurally characterised divanadium(V) analogues (L = tridentate ONO ligand) Journal of the Chemical Society, Dalton Transactions (18). pp. 2857-2858. ISSN 1472-7773

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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1993...

Related URL: http://dx.doi.org/10.1039/DT9930002857

Abstract

In [L(O)VOV(O)L], the one-electron reduced form of structurally characterised [L(O)VOV(O)L](L = azobenzene-2,2′-diolate), metal valence is delocalised at 300 K but is localised at one centre at 77 K with average hyperfine coupling constants of ≈50 and ≈100 G respectively; the estimated rate constant is ≈4 × 1010 s–1(300 K) and the activation energy is ≈3 kcal mol–1.

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