Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy

A. Giuliani, F. Motte-Tollet, J. Delwiche, J. Heinesch, N. J. Mason, J. M. Gingell, I. C. Walker, N. C. Jones, M. J. Hubin-Franskin

Research output: Contribution to journalArticle

Abstract

A high resolution VUV photoabsorption spectrum of ethyl iodide has been recorded between 4 and 10.2 eV (310-120 nm) using synchrotron radiation. The spectrum consists of a broad structureless absorption band centered at 4.78 eV, followed by a region dominated by excitation of Rydberg states. A high resolution photoelectron spectrum (PES) of the lowest energy ionization band has been obtained and provides ionization energies necessary for identification of related Rydberg-excited states. Also, analysis of the vibrational fine structure in the PES has allowed identification of the normal vibrational modes excited and their wave numbers in the ion. These, in turn, have been used in the assignment of the lowest energy photoabsorption bands arising from electron excitation into the 6s Rydberg orbital. An electron energy loss spectrum has also been recorded from 5.8 to 14.2 eV, under electric-dipole conditions. It confirms the magnitude of the photoabsorption cross section values obtained using the synchrotron radiation and extends the differential and optical oscillator strength values up to 14.2 eV. © 1999 American Institute of Physics.

Original languageEnglish
Pages (from-to)10307-10315
Number of pages9
JournalJournal of Chemical Physics
Volume110
Issue number21
Publication statusPublished - 1 Jun 1999

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photoabsorption
oscillator strengths
iodides
energy dissipation
electron energy
electronics
spectroscopy
excitation
synchrotron radiation
photoelectrons
energy
ionization
high resolution
electric dipoles
vibration mode
fine structure
absorption spectra
orbitals
physics
cross sections

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Giuliani, A., Motte-Tollet, F., Delwiche, J., Heinesch, J., Mason, N. J., Gingell, J. M., ... Hubin-Franskin, M. J. (1999). Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy. Journal of Chemical Physics, 110(21), 10307-10315.
Giuliani, A. ; Motte-Tollet, F. ; Delwiche, J. ; Heinesch, J. ; Mason, N. J. ; Gingell, J. M. ; Walker, I. C. ; Jones, N. C. ; Hubin-Franskin, M. J. / Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy. In: Journal of Chemical Physics. 1999 ; Vol. 110, No. 21. pp. 10307-10315.
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Giuliani, A, Motte-Tollet, F, Delwiche, J, Heinesch, J, Mason, NJ, Gingell, JM, Walker, IC, Jones, NC & Hubin-Franskin, MJ 1999, 'Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy', Journal of Chemical Physics, vol. 110, no. 21, pp. 10307-10315.

Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy. / Giuliani, A.; Motte-Tollet, F.; Delwiche, J.; Heinesch, J.; Mason, N. J.; Gingell, J. M.; Walker, I. C.; Jones, N. C.; Hubin-Franskin, M. J.

In: Journal of Chemical Physics, Vol. 110, No. 21, 01.06.1999, p. 10307-10315.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy

AU - Giuliani, A.

AU - Motte-Tollet, F.

AU - Delwiche, J.

AU - Heinesch, J.

AU - Mason, N. J.

AU - Gingell, J. M.

AU - Walker, I. C.

AU - Jones, N. C.

AU - Hubin-Franskin, M. J.

PY - 1999/6/1

Y1 - 1999/6/1

N2 - A high resolution VUV photoabsorption spectrum of ethyl iodide has been recorded between 4 and 10.2 eV (310-120 nm) using synchrotron radiation. The spectrum consists of a broad structureless absorption band centered at 4.78 eV, followed by a region dominated by excitation of Rydberg states. A high resolution photoelectron spectrum (PES) of the lowest energy ionization band has been obtained and provides ionization energies necessary for identification of related Rydberg-excited states. Also, analysis of the vibrational fine structure in the PES has allowed identification of the normal vibrational modes excited and their wave numbers in the ion. These, in turn, have been used in the assignment of the lowest energy photoabsorption bands arising from electron excitation into the 6s Rydberg orbital. An electron energy loss spectrum has also been recorded from 5.8 to 14.2 eV, under electric-dipole conditions. It confirms the magnitude of the photoabsorption cross section values obtained using the synchrotron radiation and extends the differential and optical oscillator strength values up to 14.2 eV. © 1999 American Institute of Physics.

AB - A high resolution VUV photoabsorption spectrum of ethyl iodide has been recorded between 4 and 10.2 eV (310-120 nm) using synchrotron radiation. The spectrum consists of a broad structureless absorption band centered at 4.78 eV, followed by a region dominated by excitation of Rydberg states. A high resolution photoelectron spectrum (PES) of the lowest energy ionization band has been obtained and provides ionization energies necessary for identification of related Rydberg-excited states. Also, analysis of the vibrational fine structure in the PES has allowed identification of the normal vibrational modes excited and their wave numbers in the ion. These, in turn, have been used in the assignment of the lowest energy photoabsorption bands arising from electron excitation into the 6s Rydberg orbital. An electron energy loss spectrum has also been recorded from 5.8 to 14.2 eV, under electric-dipole conditions. It confirms the magnitude of the photoabsorption cross section values obtained using the synchrotron radiation and extends the differential and optical oscillator strength values up to 14.2 eV. © 1999 American Institute of Physics.

M3 - Article

VL - 110

SP - 10307

EP - 10315

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

SN - 0021-9606

IS - 21

ER -

Giuliani A, Motte-Tollet F, Delwiche J, Heinesch J, Mason NJ, Gingell JM et al. Electronic excitation and oscillator strength of ethyl iodide by VUV photoabsorption and electron energy loss spectroscopy. Journal of Chemical Physics. 1999 Jun 1;110(21):10307-10315.