High-resolution laser spectroscopy of the v6 fundamental band of jet-cooled C2F6

M. Loroño, W. Henze, P. B. Davies

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The v6 parallel band of C2F6 has been measured at high resolution by using diode laser absorption spectroscopy in a free jet expansion. A comparison of the rotational intensity distribution with simulated band profiles indicated a rotational temperature of between 2 and 3 K in the jet. In addition to the fundamental band, weak Q-branches of other bands were also found, both to the red and to the blue side of the v6 fundamental Q-branch. The band origin of the v6 mode was measured as 713.671 05(10) cm-1. The B rotational constants were determined in different ways as described in the text. A preferred value of B0 = 0.061 580 6(22) cm-1 was selected for simulation purposes. This value is independent of the electron diffraction structure.

Original languageEnglish
Pages (from-to)6395-6397
Number of pages3
JournalJournal of Physical Chemistry A
Issue number27
StatePublished - 2000
Externally publishedYes

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