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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
Title | Excitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). I. Inner-shell excitation by electron energy loss spectroscopy |
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Authors | |
Issue Date | 1989 |
Publisher | Elsevier 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? |
Abstract | High-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 Identifier | http://hdl.handle.net/10722/157235 |
ISSN | 2023 Impact Factor: 2.0 2023 SCImago Journal Rankings: 0.439 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Sze, KH | en_US |
dc.contributor.author | Brion, CE | en_US |
dc.contributor.author | Katrib, A | en_US |
dc.date.accessioned | 2012-08-08T08:48:18Z | - |
dc.date.available | 2012-08-08T08:48:18Z | - |
dc.date.issued | 1989 | en_US |
dc.identifier.citation | Chemical Physics, 1989, v. 132 n. 1-2, p. 271-293 | en_US |
dc.identifier.issn | 0301-0104 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/157235 | - |
dc.description.abstract | High-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.language | eng | en_US |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/chemphys | en_US |
dc.relation.ispartof | Chemical Physics | en_US |
dc.title | Excitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). I. Inner-shell excitation by electron energy loss spectroscopy | en_US |
dc.type | Article | en_US |
dc.identifier.email | Sze, KH:khsze@hku.hk | en_US |
dc.identifier.authority | Sze, KH=rp00785 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0009029136 | en_US |
dc.identifier.volume | 132 | en_US |
dc.identifier.issue | 1-2 | en_US |
dc.identifier.spage | 271 | en_US |
dc.identifier.epage | 293 | en_US |
dc.identifier.isi | WOS:A1989T934100022 | - |
dc.publisher.place | Netherlands | en_US |
dc.identifier.scopusauthorid | Sze, KH=7006735061 | en_US |
dc.identifier.scopusauthorid | Brion, CE=7006196884 | en_US |
dc.identifier.scopusauthorid | Katrib, A=7003664478 | en_US |
dc.identifier.issnl | 0301-0104 | - |