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Vibrational structure and vibronic coupling in the carbon 1s photoelectron spectra of benzene and deuterobenzene

Myrseth Oltedal, Velaug LU ; Borve, KJ ; Wiesner, K ; Bässler, M LU ; Svensson, S and Saethre, LJ (2002) In Physical Chemistry Chemical Physics 4(24). p.5937-5943
Abstract
Vibrationally resolved C1s photoelectron spectra of benzene and d(6)-benzene have been recorded using monochromated synchrotron radiation at photon energies of 330 eV. The spectrum of normal benzene displays considerable vibrational structure. Particularly noteworthy is the strong excitation of a combined CCH-bending and CC-stretching mode which splits the main peak into two well-defined maxima. In d(6)-benzene, the vibrational energy levels are less well separated and the vibrational structure is reduced to strong asymmetry of the main peak and a broad tail extending toward higher ionization energy. The recorded spectra are analyzed using first-principle and curve-fitting procedures. A theoretical model that allows for incomplete... (More)
Vibrationally resolved C1s photoelectron spectra of benzene and d(6)-benzene have been recorded using monochromated synchrotron radiation at photon energies of 330 eV. The spectrum of normal benzene displays considerable vibrational structure. Particularly noteworthy is the strong excitation of a combined CCH-bending and CC-stretching mode which splits the main peak into two well-defined maxima. In d(6)-benzene, the vibrational energy levels are less well separated and the vibrational structure is reduced to strong asymmetry of the main peak and a broad tail extending toward higher ionization energy. The recorded spectra are analyzed using first-principle and curve-fitting procedures. A theoretical model that allows for incomplete localization of the core hole, results in very good fits to the experimental spectra of both benzene and d(6)-benzene. (Less)
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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Chemistry Chemical Physics
volume
4
issue
24
pages
5937 - 5943
publisher
Royal Society of Chemistry
external identifiers
  • wos:000179558000004
  • scopus:3042781176
ISSN
1463-9084
DOI
10.1039/b208160a
language
English
LU publication?
yes
id
fcca62d7-ddac-4e9f-b0e4-af6f586100b2 (old id 322159)
date added to LUP
2016-04-01 16:21:06
date last changed
2022-03-07 05:22:07
@article{fcca62d7-ddac-4e9f-b0e4-af6f586100b2,
  abstract     = {{Vibrationally resolved C1s photoelectron spectra of benzene and d(6)-benzene have been recorded using monochromated synchrotron radiation at photon energies of 330 eV. The spectrum of normal benzene displays considerable vibrational structure. Particularly noteworthy is the strong excitation of a combined CCH-bending and CC-stretching mode which splits the main peak into two well-defined maxima. In d(6)-benzene, the vibrational energy levels are less well separated and the vibrational structure is reduced to strong asymmetry of the main peak and a broad tail extending toward higher ionization energy. The recorded spectra are analyzed using first-principle and curve-fitting procedures. A theoretical model that allows for incomplete localization of the core hole, results in very good fits to the experimental spectra of both benzene and d(6)-benzene.}},
  author       = {{Myrseth Oltedal, Velaug and Borve, KJ and Wiesner, K and Bässler, M and Svensson, S and Saethre, LJ}},
  issn         = {{1463-9084}},
  language     = {{eng}},
  number       = {{24}},
  pages        = {{5937--5943}},
  publisher    = {{Royal Society of Chemistry}},
  series       = {{Physical Chemistry Chemical Physics}},
  title        = {{Vibrational structure and vibronic coupling in the carbon 1s photoelectron spectra of benzene and deuterobenzene}},
  url          = {{http://dx.doi.org/10.1039/b208160a}},
  doi          = {{10.1039/b208160a}},
  volume       = {{4}},
  year         = {{2002}},
}