Gas-phase reactions of the rhenium oxide anions, [ReOx](-) (x=2-4) with the neutral organic substrates methane, ethene, methanol and acetic acid
Valentino Canale, Athanasios Zavras, George N Khairallah, Nicola d'Alessandro, Richard AJ O'Hair
EUROPEAN JOURNAL OF MASS SPECTROMETRY | SAGE PUBLICATIONS LTD | Published : 2015
The ion-molecule reactions of the rhenium oxide anions, [ReOx](-) (x = 2 - 4) with the organic substrates methane, ethene, methanol and acetic acid have been examined in a linear ion trap mass spectrometer. The only reactivity observed was between [ReO(2)](-) and acetic acid. Isotope labelled experiments and high-resolution mass spectrometry measurements were used to assign the formulas of the ionic products. Collision-induced dissociation and ion-molecule reactions with acetic acid were used to probe the structures of the mass-selected primary product ions. Density functional theory calculations [PBE0/LanL2DZ6-311+G(d)] were used to suggest possible structures. The three primary product cha..View full abstract
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We thank the Australian Research Council (ARC) for financial support via the ARC Centre of Excellence for Free Radical Chemistry and Biotechnology. G. N.K. thanks the ARC for the award of an Australian Research Fellowship. The authors gratefully acknowledge the generous allocation of computing time from the Melbourne University high-performance computing facility (Edward). V.C. thanks the University G. d'Annunzio of Chieti-Pescara and the Italian Ministry of Education, University and Research for financial support (Fondo Sostegno Giovani). We thank Professor Jonathan White for a gift of H<INF>2</INF><SUP>18</SUP>O.