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DOI: 10.1039/A806863A (Paper) Reference Section for: J. Chem. Soc., Dalton Trans., 1999, 635-638

Oxygen substitution of the hexathiodiphosphate(IV) ion in aqueous solution

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Eric Prouzet, Mikiko Fukatani, Mohamed Barj and Pascal Janvier

Abstract

Phosphorus-31 NMR and Raman analyses have been performed in order to check the stability of the hexathiodiphosphate(IV) anion [P2S6]4– in aqueous solutions. This anion appears to be better stabilized in basic media than in acidic ones. Moreover, a gentle oxidation by a diluted solution of hydrogen peroxide allowed a partial substitution of sulfur by oxygen atoms that leads to mono- and di-substituted anions, respectively, [P2S5O]4– and [P2S4O2]4–, with a total yield of 72% conversion, compared with the initial hexathiodiphosphate anion.

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