Oxides and oxyions of the non-metals. Part XIV. Structure and reactivity of the oxyanions of transition metals. Part XIX. Electron spin resonance study of the radicals AsO42− and VO42− formed by γ -irradiation of arsenate and vanadate in calcium tungstate

Subramanian, S. ; Symons, M. C. R. (1970) Oxides and oxyions of the non-metals. Part XIV. Structure and reactivity of the oxyanions of transition metals. Part XIX. Electron spin resonance study of the radicals AsO42− and VO42− formed by γ -irradiation of arsenate and vanadate in calcium tungstate Journal of the Chemical Society - A: Inorganic, Physical, Theoretical . pp. 2367-2370. ISSN 0022-4944

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Official URL: http://pubs.rsc.org/en/Content/ArticleLanding/1970...

Related URL: http://dx.doi.org/10.1039/J19700002367

Abstract

Hyperfine coupling to A for a range of X2AO and X3AO radicals with one electron less than the closed-shell species are reported and discussed, where X is-O-,-OH, or-OA, and A is either metallic or nonmetalic. It is concluded that spin polarisation of the A-O σ -electrons provides the major source of spin-density on A, and that the extent of this polarisation depends strongly on the extent of p-s or d-s hybridisation for A, and weakly upon the ionic character of the ligands.

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