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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus


IMPACT FACTOR 2018: 0.975
5-year IMPACT FACTOR: 1.021

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.327
Source Normalized Impact per Paper (SNIP) 2018: 0.391

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2196-7156
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Volume 225, Issue 11-12

Issues

On the Temperature Dependence of the Thermal Electron Attachment to SF6, SF5Cl, and POCl3

Hans-Jürgen Troe / Gerd Marowsky / Nicholas S. Shuman
  • 2 Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, U.S.A.
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/ Thomas M. Miller
  • 3 Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, U.S.A.
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/ Albert A. Viggiano
  • 4 Air Force Research Laboratory, Space Vehicles Directorate, Kirtland Air Force Base, U.S.A.
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Published Online: 2011-11-23 | DOI: https://doi.org/10.1524/zpch.2011.0187

Abstract

A simplified model for electron attachment to neutral molecules, separating electron--phonon coupling (or intramolecular vibrational redistribution, IVR) factors into an electronic and a vibrational contribution, is tested by comparison with experimental results for the nondissociative electron attachments to SF6, SF5Cl, and POCl3. It is shown that the experimental results can approximately be reproduced by the fit of two parameters, one of them characterizing the dependence of the IVR factor on the electron energy and one accounting for an effective threshold energy for overlap of vibrational wave functions on anionic and neutral potential energy surfaces. After fitting these parameters, temperature dependences over wide ranges of conditions can be represented. Likewise, kinetic modeling of dissociative processes of the highly excited anions produced by attachment is facilitated.

Keywords: electron attachment

About the article

* Correspondence address: Universität Göttingen, Institut für Physikalische Chemie, Tammannstr. 6, 37077 Göttingen, Deutschland,


Published Online: 2011-11-23

Published in Print: 2011-12-01


Citation Information: Zeitschrift für Physikalische Chemie, Volume 225, Issue 11-12, Pages 1405–1416, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2011.0187.

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Nicholas S. Shuman, Thomas M. Miller, and A. A. Viggiano
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[13]
Nicholas S. Shuman, Jeffrey F. Friedman, Thomas M. Miller, and A. A. Viggiano
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