Torsional, vibrational and vibration-torsional levels in the S1 and ground cationic D0+ states of para-fluorotoluene
Gardner, Adrian M.
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https://hdl.handle.net/2142/96811
Description
Title
Torsional, vibrational and vibration-torsional levels in the S1 and ground cationic D0+ states of para-fluorotoluene
Author(s)
Gardner, Adrian M.
Contributor(s)
Wright, Timothy G.
Carter, Joseph H.
Claydon, Andrew
Whalley, Laura E.
Tuttle, William Duncan
Issue Date
2017-06-20
Keyword(s)
Large amplitude motions
Internal rotation
Abstract
The S$_{1}$ electronic state and ground state of the cation of textit{para}-fluorotoluene (textit{p}FT) have been investigated using resonance-enhanced multiphoton ionization (REMPI) spectroscopy and zero-kinetic-energy (ZEKE) spectroscopy.footnote{A. M. Gardner, W. D. Tuttle, L. Whalley, A. Claydon, J. H. Carter and T. G. Wright, textit{J. Chem. Phys.}, textbf{145}, 124307 (2016).} Here we focus on the low wavenumber region where a number of “pure” torsional, fundamental vibrational and vibration-torsional levels are expected; assignments of observed transitions are discussed, which are compared to results of published work on toluene (methylbenzene) from the Lawrance group.footnote{J. R. Gascooke, E. A. Virgo, and W. D. Lawrance textit{J. Chem. Phys.}, textbf{143}, 044313 (2015).} The similarity in the activity observed in the excitation spectrum of the two molecules is striking.
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