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Characterization and Reactivity of Triperoxo Vanadium Complexes In Protic Solvents
Author(s) -
Bonchio Marcella,
Bortolini Olga,
Conte Valeria,
Moro Stefano
Publication year - 2001
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/1099-0682(200111)2001:11<2913::aid-ejic2913>3.0.co;2-t
Subject(s) - chemistry , vanadium , reactivity (psychology) , hydrogen peroxide , decomposition , inorganic chemistry , ab initio , alcohol , organic chemistry , medicine , alternative medicine , pathology
ESI‐MS and 51 V NMR techniques have been used to detect the formation of vanadium triperoxo complexes in protic solvents. RHF/6‐311++G(d,p) ab initio calculations were also carried out to address the structure and the energy requirements of vanadium peroxo species formed from vanadates and hydrogen peroxide. Such studies point to a step‐by‐step decomposition process involving the triperoxo vanadium complex, as highlighted by ESI‐MS n experiments. The reactivity of the triperoxo compound has been examined in an alcohol/water mixture with the aim of elucidating its oxidative behavior; evidence for the formation of the HOO − anion as an active oxidant in solution has been obtained.