Appearance and Ionization Potentials of Ions produced by Electron-impact on some Phosphorus-Fluorine Compounds: the Phosphorus-Phosphorus Bond Dissociation Energy in Diphosphorus Tetralluoride

Abstract

The ionization potentials of P2F4, PF3 PF2H and PF2I and the appearance potentials of the PF+2 ion from these species are reported. The ionization potential of the PF2˙ radical is estimated using approximations for the PF2—X (X = F, I and H) bond dissociation energies. The P—P bond dissociation energy in diphosphorus tetrafluoride is estimated as 57 ± 10 kcal mol–1.