He(I) photoelectron spectra of some π-arene complexes

Abstract
The He(I) photoelectron spectra of (π-C6H6)2Cr, (π-C6H5CH3)2Cr, (π-C6H6)(π-C5H5)Mn and (π-C6H6)(π-C5H5)Cr have been measured and their electronic structure is discussed in the light of the ionization energy data.