Article (Scientific journals)
The electronic states of 2-furanmethanol (furfuryl alcohol) studied by photon absorption and electron impact spectroscopies
Giuliani, A.; Walker, I. C.; Delwiche, Jacques et al.
2003In Journal of Chemical Physics, 119 (14), p. 7282-7288
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Keywords :
2-furanmethanol (furfuryl alcohol); photoelectron spectrum; photoabsorption
Abstract :
[en] The photoelectron spectrum of 2-furanmethanol (furfuryl alcohol) has been measured for ionization energies between 8 and 11.2 eV and the first three ionization bands assigned to pi(3), pi(2), and n(o) ionizations in order of increasing binding energy. The photoabsorption spectrum has been recorded in the gas phase using both a synchrotron radiation source (5-9.91 eV, 248-125 nm) and electron energy-loss spectroscopy under electric-dipole conditions (5-10.9 eV, 248-90 nm). The (UV) absorption spectrum has also been recorded in solution (4.2-6.36 eV, 292-195 nm). The electronic excitation spectrum appears to be dominated by transitions between pi and pi* orbitals in the aromatic ring, leading to the conclusion that the frontier molecular orbitals of furan are affected only slightly on replacement of a H atom by the -CH2OH group. Additional experiments investigating electron impact at near-threshold energies have revealed two low-lying triplet states and at least one electron/molecule shape resonance. Dissociative electron attachment also shows to be widespread in furfuryl alcohol. (C) 2003 American Institute of Physics.
Disciplines :
Physics
Chemistry
Author, co-author :
Giuliani, A.
Walker, I. C.
Delwiche, Jacques ;  Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Hoffmann, S. V.
Limao-Vieira, P.
Mason, N. J.
Heyne, B.
Hoebeke, Maryse  ;  Université de Liège - ULiège > Département de physique > Spectroscopie biomédicale
Hubin-Franskin, Marie-Jeanne ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie physique
Language :
English
Title :
The electronic states of 2-furanmethanol (furfuryl alcohol) studied by photon absorption and electron impact spectroscopies
Publication date :
08 October 2003
Journal title :
Journal of Chemical Physics
ISSN :
0021-9606
eISSN :
1089-7690
Publisher :
Amer Inst Physics, Melville, United States - New York
Volume :
119
Issue :
14
Pages :
7282-7288
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 20 June 2010

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