Laser Excitation and Emission Spectra of the Hexafluorobenzene Cation in the Gas Phase

Trevor Sears, Terry A. Miller, V. E. Bondybey

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Abstract

Laser-induced fluorescence spectra of C6F6+ have been recorded in the gas phase. Excitation spectra of quality far superior to previous observations have been obtained by cooling the ions to near liquid N2 temperature. The improved S/N and resolution permit considerably more information to be obtained about both the ground X 2E1g and excited B 2A2u electronic states. Laser-excited, wavelength-resolved emission spectra have also been observed for C6F6+. These spectra allow direct observation of the Jahn-Teller perturbed vibronic structure of the ground state. Because of their relative simplicity, assignment and interpretation are usually unambiguous. Overall, the experimental results determine rather extensively and redundantly the vibronic structure of both electronic states.

Original languageEnglish
Pages (from-to)326-329
Number of pages4
JournalJournal of the American Chemical Society
Volume103
Issue number2
DOIs
StatePublished - Jan 1981
Externally publishedYes

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