Article (Scientific journals)
Resonant vibrational excitation of furan by low energy electron impact
Tollet, Françoise; Eustatiu, G.; Roy, D.
1996In Journal of Chemical Physics, 105 (17), p. 7448-7453
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Abstract :
[en] Our purpose was to investigate the resonant vibrational excitation of furan (C4H4O) in its electronic ground state by electron collisions. The electron energy loss measurements have been carried out at intermediate and low impact energies for a scattering angle of 30°. The spectra show peaks or groups of peaks corresponding to the excitation of the fundamental normal modes as also of the first harmonics and combinations. The energy dependence curve for the excitation of the C-H stretching vibrational modes is also reported for the impact energy range of 3-10 eV. It exhibits a broad structureless band with a maximum centered around 6 eV, which reveals an excitation mechanism through the intermediate of a shape resonance built on the electronic ground state of the neutral molecule. A comparison with benzene is made in order to help the analysis and to assign the nature as well as the symmetry of the resonance. © 1996 American Institute of Physics.
Disciplines :
Chemistry
Author, co-author :
Tollet, Françoise ;  Université de Liège > Direction administrative de la faculté des sciences
Eustatiu, G.;  Laboratoire de Physique Atomique et MolÉculaire, Département de Physique, Université Laval, Qué., G1K 7P4, Canada
Roy, D.;  Department of Chemistry, McMaster University, Hamilton, Ont., L8S 4M1, Canada
Language :
English
Title :
Resonant vibrational excitation of furan by low energy electron impact
Publication date :
1996
Journal title :
Journal of Chemical Physics
ISSN :
0021-9606
eISSN :
1089-7690
Publisher :
American Institute of Physics, New York, United States - New York
Volume :
105
Issue :
17
Pages :
7448-7453
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 August 2021

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