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Article: Excitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). I. Inner-shell excitation by electron energy loss spectroscopy

TitleExcitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). I. Inner-shell excitation by electron energy loss spectroscopy
Authors
Issue Date1989
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphys
Citation
Chemical Physics, 1989, v. 132 n. 1-2, p. 271-293 How to Cite?
AbstractHigh-resolution electron energy loss spectra of all inner-shell excitations of the monohaloethylenes (C2H3X, X = F, Cl, Br and I) below 740 eV have been obtained under conditions of high impact energy (in the range 2.0-3.7 keV ) and zero-degree scattering angle. The spectra are interpreted, in a unified manner, as excitations to virtual valence and Rydberg orbitals, as well as to continuum-shape resonances. The halogen inner-shell excitation spectra are dominated by transitions to σ* (CX) levels, while transitions to π* (CC) levels are apparently absent or of very low intensity and unresolved. The term values corresponding to various types of transitions observed in the C 1s excitation spectra correlate very well with the electronegativity of the halogen substituent. Based on the correlation analysis, substitutional effects are found to be most prominent in the case of σ* transitions, while the π* and Rydberg levels are less influenced. A linear correlation between the C-X bond strength and the term values corresponding to the C 1s→σ* (CX) transitions has also been observed. © 1989.
Persistent Identifierhttp://hdl.handle.net/10722/157235
ISSN
2015 Impact Factor: 1.758
2015 SCImago Journal Rankings: 0.719

 

DC FieldValueLanguage
dc.contributor.authorSze, KHen_US
dc.contributor.authorBrion, CEen_US
dc.contributor.authorKatrib, Aen_US
dc.date.accessioned2012-08-08T08:48:18Z-
dc.date.available2012-08-08T08:48:18Z-
dc.date.issued1989en_US
dc.identifier.citationChemical Physics, 1989, v. 132 n. 1-2, p. 271-293en_US
dc.identifier.issn0301-0104en_US
dc.identifier.urihttp://hdl.handle.net/10722/157235-
dc.description.abstractHigh-resolution electron energy loss spectra of all inner-shell excitations of the monohaloethylenes (C2H3X, X = F, Cl, Br and I) below 740 eV have been obtained under conditions of high impact energy (in the range 2.0-3.7 keV ) and zero-degree scattering angle. The spectra are interpreted, in a unified manner, as excitations to virtual valence and Rydberg orbitals, as well as to continuum-shape resonances. The halogen inner-shell excitation spectra are dominated by transitions to σ* (CX) levels, while transitions to π* (CC) levels are apparently absent or of very low intensity and unresolved. The term values corresponding to various types of transitions observed in the C 1s excitation spectra correlate very well with the electronegativity of the halogen substituent. Based on the correlation analysis, substitutional effects are found to be most prominent in the case of σ* transitions, while the π* and Rydberg levels are less influenced. A linear correlation between the C-X bond strength and the term values corresponding to the C 1s→σ* (CX) transitions has also been observed. © 1989.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphysen_US
dc.relation.ispartofChemical Physicsen_US
dc.titleExcitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). I. Inner-shell excitation by electron energy loss spectroscopyen_US
dc.typeArticleen_US
dc.identifier.emailSze, KH:khsze@hku.hken_US
dc.identifier.authoritySze, KH=rp00785en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0009029136en_US
dc.identifier.volume132en_US
dc.identifier.issue1-2en_US
dc.identifier.spage271en_US
dc.identifier.epage293en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridSze, KH=7006735061en_US
dc.identifier.scopusauthoridBrion, CE=7006196884en_US
dc.identifier.scopusauthoridKatrib, A=7003664478en_US

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