Study of the metal-oxygen bond in simple tris-chelate complexes by He(I) photoelectron spectroscopy

Authors:
  • SES. Evans
    S. Evans
  • AHA. Hamnett
    A. Hamnett
  • AOA. F. Orchard
    A. F. Orchard
  • DLD. R. Lloyd
    D. R. Lloyd
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Abstract
Vapour-phase He(I) photoelectron spectra are reported for a variety of tris-chelates of the form ML3, where L is the enolate anion of a β-diketone (commonly hexafluoroacetylacetone) and M is one of the metals: Al, Ga, Sc, Ti, V, Cr, Co, Mn, Fe, Ru. The spectra yield information concerning the details of the metal–ligand bonding and, in the case of the transition metal complexes, information about the relative energies of the metal d and ligand orbitals.