He(I) photoelectron spectra of tricarbonyl-iron and -ruthenium complexes of cyclic dienes, and of tricarbonylcycloheptatriene- and tricarbonylcyclo- octatetraene-iron
Abstract
The He(I) photoelectron spectra of the complexes [M·LM(CO)3][L = cyclohexa-1,3-diene and cyclohepta-1,3- diene (M = Fe or Ru); L = cyclo-octa-1,3-diene, cyclohepta-1,3,5-triene, and cyclo-octatetraene (M = Fe)] have been examined. The ionisation energies of the iron diene complexes show a regular variation with ring size, in contrast to those of the parent cyclic dienes.