Name three things that are different about the photoelectron spectrum of a diatomic
molecule from the photoelectron spectrum of an atom.
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The He I (21.22 eV) photoelectron spectrum of a molecule shows a series of equally spaced sharp peaks corresponding to photoelectron kinetic energies of 10.259, 10.388, 10.517, 10.646, and 10.775 eV. What is the vibrational frequency of the molecular ion (in wavenumbers)?
In an XPS spectrum, why do Auger peaks have higher binding energies than the photoelectron peaks? This seems counter intuitive because the photoelectron peaks are created from the emission of core electrons - which should have greater binding energies than the outer shell electrons which cause Auger peaks.