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Article: Excitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). II. Photoionization by He(I) and He(II) photoelectron spectroscopy and valence-shell excitation by electron energy loss spectroscopy
Title | Excitation and ionization of the monohaloethylenes (C2H3X, X = F, Cl, Br, I). II. Photoionization by He(I) and He(II) photoelectron spectroscopy and valence-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. 137 n. 1-3, p. 369-390 How to Cite? |
Abstract | The He (I) and He (II) photoelectron spectra and the valence-shell electron energy loss spectra for C2H3X (X = F, Cl, Br and I) have been recorded. The valence-shell electron energy loss spectra were obtained at an impact energy of 3000 eV and a zero degree scattering angle. In contrast to previous studies, the HOMO orbital in C2H3I is reassigned with dominant iodine 5p· character rather than the π(CC) character observed for the HOMO orbitals of C2H3F, C2H3Cl and C2H3Br. This reordering of the assignment in C2H3I is based on considerations of peak shape, vibrational profile and relative intensity change between He(I) and He (II) photoelectron spectra as well as observations from the valence shell electron energy loss spectra. The valence shell electron energy loss spectrum of each of the monohaloethylenes is tentatively assigned as being due to transitions from the various occupied valence orbitals to common manifolds of π*(CC), σ-*(CX) and Rydberg final orbitals. A linear correlation between the CX bond strength and the term values of the 2a″→σ* (CX) transition is also demonstrated. © 1989. |
Persistent Identifier | http://hdl.handle.net/10722/157230 |
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.contributor.author | ElIssa, B | en_US |
dc.date.accessioned | 2012-08-08T08:48:16Z | - |
dc.date.available | 2012-08-08T08:48:16Z | - |
dc.date.issued | 1989 | en_US |
dc.identifier.citation | Chemical Physics, 1989, v. 137 n. 1-3, p. 369-390 | en_US |
dc.identifier.issn | 0301-0104 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/157230 | - |
dc.description.abstract | The He (I) and He (II) photoelectron spectra and the valence-shell electron energy loss spectra for C2H3X (X = F, Cl, Br and I) have been recorded. The valence-shell electron energy loss spectra were obtained at an impact energy of 3000 eV and a zero degree scattering angle. In contrast to previous studies, the HOMO orbital in C2H3I is reassigned with dominant iodine 5p· character rather than the π(CC) character observed for the HOMO orbitals of C2H3F, C2H3Cl and C2H3Br. This reordering of the assignment in C2H3I is based on considerations of peak shape, vibrational profile and relative intensity change between He(I) and He (II) photoelectron spectra as well as observations from the valence shell electron energy loss spectra. The valence shell electron energy loss spectrum of each of the monohaloethylenes is tentatively assigned as being due to transitions from the various occupied valence orbitals to common manifolds of π*(CC), σ-*(CX) and Rydberg final orbitals. A linear correlation between the CX bond strength and the term values of the 2a″→σ* (CX) transition is also demonstrated. © 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). II. Photoionization by He(I) and He(II) photoelectron spectroscopy and valence-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-s2.0-0001669196 | en_US |
dc.identifier.volume | 137 | en_US |
dc.identifier.issue | 1-3 | en_US |
dc.identifier.spage | 369 | en_US |
dc.identifier.epage | 390 | en_US |
dc.identifier.isi | WOS:A1989AV95300035 | - |
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.scopusauthorid | ElIssa, B=15079135700 | en_US |
dc.identifier.issnl | 0301-0104 | - |