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J Chem Phys. 2005 Nov 22;123(20):204316. doi: 10.1063/1.2126973.

Photoelectron spectroscopy of S1 toluene: I. Photoionization propensities of selected vibrational levels in S1 toluene.

The Journal of chemical physics

Paul T Whiteside, Adrian K King, Katharine L Reid

Affiliations

  1. School of Chemistry, University of Nottingham, Nottingham NG7 2RD, United Kingdom.

PMID: 16351265 DOI: 10.1063/1.2126973

Abstract

Laser photoelectron spectra have been obtained following the preparation of eight vibrational states in S(1) toluene. For four of the vibrational states (up to approximately 550 cm(-1) excess energy) excitation and ionization with nanosecond laser pulses give rise to photoelectron spectra with well-resolved vibrational peaks. For the other states (>750 cm(-1) excess energy) the photoelectron spectra show a loss of structure when nanosecond pulses are used, as a result of intramolecular dynamics [see Whiteside et al., J. Chem. Phys. 123, 204317 (2005), following paper]. A number of vibrational peaks in the photoelectron spectra are assigned, and we find that the common series of ion vibrational peaks observed following the ionization of p-fluorotoluene in various S(1) vibrational states is not reproduced in toluene.

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