Investigations of oxonium ions

John M. Tedder, G. Stewart Walker

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Isotopically labelled methanol was used in an investigation of the ion–molecule reactions of methanol in the gas phase using a triple quadrupole mass spectrometer. A quinqua quadrupole mass spectrometer was used to investigate the formation of trimethyl oxonium ions. The results were used to examine the validity of the alternative mechanisms for the reaction (1) that have been CH3OH2++ CH3OH →(CH3)2OH++ H2O (1) proposed in the literature. The results provide unequivocal support for the SN2 mechanism.
Original languageEnglish
Pages (from-to)317-320
Number of pages4
JournalRoyal Chemical Society. Journal. Perkin Transactions 2
Issue number3
Publication statusPublished - 1991


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