Relative bonding capabilities of molecules to metals as measured by gas-phase photoelectron spectroscopy

Dennis L. Lichtenberger, Nadine E. Gruhn, Sharon K. Renshaw

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

The gas-phase photoelectron spectroscopy of compounds of the general form CpM(CO)2L (Cp = η5-C5H5; M = Cr, Mn, or Fe; L = ligand of interest) provides a direct experimental measure of the relative bonding capabilities of ligands to metals. The metal-based ionization energies of the formal d6 metal centers of these compounds are sensitive to the electron donation/acceptance of the ligands, and the splitting patterns of these ionizations are sensitive to the relative π-donation/acceptance properties of the ligands. This is the only experimental technique that can separate the ligand π-bonding effects from the σ-bonding and charge potential effects. A general formula is described by which the π-bonding capabilities of ligands can be compared.

Original languageEnglish (US)
Pages (from-to)79-86
Number of pages8
JournalJournal of Molecular Structure
Volume405
Issue number1
DOIs
StatePublished - Mar 17 1997

Keywords

  • Bonding
  • Photoelectron spectroscopy

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy
  • Organic Chemistry
  • Inorganic Chemistry

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