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Structure of C6HF+ and C6F2+ fragment ions from fluorobenzenes : electronic spectra in 6 K neon matrices

Karol Filipkowski, and Jan Fulara, and John P. Maier, . (2013) Structure of C6HF+ and C6F2+ fragment ions from fluorobenzenes : electronic spectra in 6 K neon matrices. International Journal of Mass Spectrometry, Vol. 354-355. pp. 188-192.

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Official URL: http://edoc.unibas.ch/dok/A6194514

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Abstract

The fragment ions C6HF+ and C6F2+ produced from fluorobenzenes in a discharge source were trapped in 6 K neon matrices after mass selection. A strong absorption system is detected in the visible range starting at 586.3 nm for C6HF+ and 569.3 nm for C6F2+. Vibrationally resolved fluorescence commencing at the same wavelengths is observed upon laser excitation into each absorption band of these cations. The absorptions are assigned to the A2Πg ← X2Πu and A2Π ← X2Π transitions of linear FC6F+ and HC6F+, respectively. The assignment is based on the similarity of the absorption and fluorescence spectra with the A2Πg ← X2Πu electronic system of linear HC6H+ as well as the theoretically calculated vibrational and electronic excitation energies of the FC6F+ and HC6F+.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Physikalische Chemie (Maier)
UniBasel Contributors:Maier, John Paul and Filipkowski, Karol and Fulara, Jan
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier Science
ISSN:1387-3806
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:06 Dec 2013 09:35
Deposited On:06 Dec 2013 09:35

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