Intermediate energy electron impact excitation of composite vibrational modes in phenol

Rafael Coelho Neves, Darryl Jones, M Lopes, Kate Nixon, E de Oliveira, R da Costa, Marcio Varella, Marcio Bettega, Marco Lima, George Barbosa Da Silva, Michael Brunger

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    Abstract

    We report differential cross section results from an experimental investigation into the electron impact excitation of a number of the low-lying composite (unresolved) vibrational modes in phenol (C6H5OH). The measurements were carried out at incident electron energies in the range 15-40 eV and for scattered-electron angles in the range 10-90°. The energy resolution of those measurements was typically ∼80 meV. Calculations, using the GAMESS code, were also undertaken with a B3LYP/aug-cc-pVDZ level model chemistry, in order to enable us to assign vibrational modes to the features observed in our energy loss spectra. To the best of our knowledge, the present cross sections are the first to be reported for vibrational excitation of the C6H5OH molecule by electron impact.

    Original languageEnglish
    Article number194302
    Pages (from-to)Article: 194302
    Number of pages8
    JournalJournal of Chemical Physics
    Volume142
    Issue number19
    DOIs
    Publication statusPublished - 21 May 2015

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    Coelho Neves, R., Jones, D., Lopes, M., Nixon, K., de Oliveira, E., da Costa, R., Varella, M., Bettega, M., Lima, M., Barbosa Da Silva, G., & Brunger, M. (2015). Intermediate energy electron impact excitation of composite vibrational modes in phenol. Journal of Chemical Physics, 142(19), Article: 194302. [194302]. https://doi.org/10.1063/1.4921038