1. Mass Spectrometry Laboratory and Centre for Theoretical and Computational Chemistry (CTCC)
2. Department of Chemistry
3. University of Oslo
4. NO-0315 Oslo
5. Norway
6. Max-Planck-Institut für Chemische Energiekonversion
7. DE-45470 Mülheim an der Ruhr
8. Germany
9. Centre for Theoretical and Computational Chemistry (CTCC)