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Partial ion yield spectroscopy around the Cl 2p and C 1s ionization thresholds in CF3Cl
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Surface and Interface Science.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Materials Science, Surface and Interface Science.
2009 (English)In: Journal of Chemical Physics, ISSN 0021-9606, E-ISSN 1089-7690, Vol. 131, no 24, 244301- p.Article in journal (Refereed) Published
Abstract [en]

We present a partial ion yield experiment on freon 13, CF3Cl, excited in the vicinity of the C 1s and Cl 2p ionization thresholds. We have collected a large amount of cationic fragments and a few anionic fragments at both edges. We have observed a strong intensity dependence of Rydberg transitions with ion fragment size for the CFnCl+ and CFn+/F+ (n=0-3) series at both the Cl 2p and C 1s ionization edges. Selectivity in the fragmentation processes involving the C-Cl and C-F bonds are highlighted by the intensities of the C 1s to lowest unoccupied molecular orbital (LUMO) and LUMO+1 transitions measured on the CFnCl+ and CFn+ yields. Equally, by comparison with their cation counterpart, we discuss possible bond-length dependence for the anion formation at the carbon 1s edge.

Place, publisher, year, edition, pages
2009. Vol. 131, no 24, 244301- p.
Keyword [en]
bond lengths, molecule-photon collisions, negative ions, organic compounds, photoionisation, positive ions, Rydberg states, spectral line intensity
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-138114DOI: 10.1063/1.3274642ISI: 000273217000025OAI: oai:DiVA.org:uu-138114DiVA: diva2:378896
Available from: 2010-12-16 Created: 2010-12-16 Last updated: 2017-12-11Bibliographically approved

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