Resonant photoemission from the fluoromethane (CH3F) molecule has been measured with photon energies scanning through the resonance in which a C or F 1s electron is promoted to the lowest unoccupied molecular orbital σCF*. The spectator Auger band with the lowest binding energy of ∼27 eV is tentatively assigned to 2e-26a1. The energy-resolved electron-ion coincidence experiments revealed that this state produces predominantly CH2+ ions both for C 1s and F 1s excitations, providing evidence that the spectator Auger decay to this state takes place within the molecular regime, where the valence electrons are delocalized over the entire molecule.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- Physical and Theoretical Chemistry