Comparison of Fast Atom Bombardment and Field Desorption Mass Spectrometry of Coordination Complexes

Ronald L. Cerny, B. Patrick Sullivan, Maurice M. Bursey, Thomas J. Meyer

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Fast atom bombardment (FAB) and field desorption (FD) mass spectrometry of neutral, 1+, and 2+ catlonic transition metal complexes suggest that FAB is preferable for 1+ complexes, producing both parent and useful fragment ions. For neutral complexes FD Is better for molecular weight determination while FAB can provide fragment Ion Information. Both techniques yield a minimum of information when applied to dicationic complexes although some knowledge of the major fragmentation pathways can be obtained. Ligand loss and ease of reduction In FAB parallel ground state solution substitutional and redox chemistry for complexes where the latter data are available. The hypothesis of Ion formation in FAB In the condensed phase where the matrix could play a significant role Is consistent with these observations. The experimental results Indicate FAB fragmentations may be useful in predicting solution chemistry of complex Ions.

Original languageEnglish (US)
Pages (from-to)1954-1958
Number of pages5
JournalAnalytical chemistry
Issue number12
Publication statusPublished - Jan 1 1983


ASJC Scopus subject areas

  • Analytical Chemistry

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