A Photoion-Photoelectron Coincidence Study of (CO)2

  • K. Norwood
  • J.-H. Guo
  • G. Luo
  • C. Y. Ng


Molecular beam photoionization1 and equilibrium2 mass spectrometric measurements provide valuable energetic information about dimer and cluster ions in their ground state. In spite of recent intense research activities in cluster ion chemistry, little is known about the interaction energies of an excited state ion with neutral molecules. A systematic method for determining the binding energies of a ground state as well as an excited state ion with neutral species is to measure the adiabatic ionization energies (IE) of the appropriate clusters by photoelectron spectroscopic techniques. The concentrations of clusters produced in a supersonic beam are usually much lower than that of the monomers. This, together with the fact that photoelectron bands of monomers and clusters often overlap in energy, makes the measurement of the photoelectron spectrum (PES) of a specific cluster difficult.


Electronic Band Flight Time Intramolecular Charge Transfer Bond Dissociation Energy Ionization Energy 
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Copyright information

© Plenum Press, New York 1988

Authors and Affiliations

  • K. Norwood
    • 1
    • 2
  • J.-H. Guo
    • 1
    • 2
  • G. Luo
    • 1
    • 2
  • C. Y. Ng
    • 1
    • 2
  1. 1.Ames LaboratoryU.S. Department of EnergyAmesUSA
  2. 2.Department of ChemistryIowa State UniversityAmesUSA

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