Ionization of the Xenon Fluorides

Details Ionization of the Xenon Fluorides Ionization of the Xenon Fluorides

2003-06-15

arxiv.org/abs/physics/0306123v2

J. Chem. Phys. 119, 7763--7771 (2003)

Physics

Chemical Physics

10 pages, 2 figures, 4 tables, RevTeX4, corrected typos

Scientific paper

10.1063/1.1609975

The noble-gas atom xenon can bind fluorine atoms and form several stable compounds. We study the electronic structure of the xenon fluorides (XeFn, n = 2,4,6) by calculating their ionization spectra using a Green's function method, which allows to treat many-body effects at a high level. Our focus is on the valence region and on the Xe 4d core hole. We observe a sensitive dependence of the spectra on the number of fluorine ligands. Systematic line shifts are uncovered and explained. In the Xe 5s and F 2s inner-valence regimes, from XeF2 to XeF6, the usefulness of the one-particle picture of ionization is found to become progressively worse. Moreover, adding the electronegative fluorine ligands seems to enhance--not suppress--the Auger decay of a Xe 4d core hole.

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