Charge stripping of ligated metal ions

PingQi Dai, Sési McCullough-Catalano, Margaret Bolton, A. Daniel Jones, Carlito B Lebrilla

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

The use of charge stripping to determine bond dissociation energies is evaluated with doubly charged first row metal hydroxides that are accessible by fast atom bombardment. Dications are produced by charge stripping of the monocation precursor. A linear behavior is obtained between the bond dissociation and the second ionization energies of the bare metals. To assess the validity of the determined Qmin values, the minimum shift in the kinetic energy of the dication relative to the monocation, the conditions of ion formation and type of charge stripping gas are investigated using ligated magnesium species. Molecular orbital calculations are also performed on ligated magnesium species to investigate whether vibrational or electronic excitation, which may affect the determined Qmin values, are present during ionization.

Original languageEnglish (US)
Pages (from-to)67-77
Number of pages11
JournalInternational Journal of Mass Spectrometry and Ion Processes
Volume144
Issue number1-2
DOIs
StatePublished - May 31 1995

Keywords

  • Bond dissociation energy
  • Charge stripping
  • Dications
  • Metal hydroxides

ASJC Scopus subject areas

  • Spectroscopy

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