Nascent product vibrational state distributions of ion-molecule reactions: The H + F- -> HF(v) + e- associative detachment reaction

Article abstract of DOI:10.1063/1.441926

The nascent product vibrational state distribution is obtained for the thermal energy associative detachment reaction H + F^- -> HF(v =< 5) + e^-, ΔH = -57.0 kcal/mol. The relative vibrational populations are as follows: N⁰_ν=1 = 0.00 +/- 0.06; N⁰_ν=2 = 0.23 +/- 0.04; N⁰_ν=3 = 0.27 +/- 0.03; N⁰_ν=4 = 0.29 +/- 0.03; and N⁰_ν=5 = 0.21 +/- 0.03. Arguments are presented that suggest that N⁰_ν=0 = 0. The average fraction of the total energy deposited in product vibration is ν> = 0.64 +/- 0.03. The release of the very light electron as one of the reaction products places severe angular momentum constraints on the reaction system.A simple kinematic model predicts a highly non-Boltzmann HF rotational state distribution which increases with increasing J up to some cutoff level.The high degree of vibrational excitation in the HF product has been accounted for by theoretical calculations of Gauyacq using the zero-range potential approximation.

Full text of DOI:10.1063/1.441926

Nascent product vibrational state distributions of ion–molecule reactions: The
H+F−→HF(v)+e − associative detachment reaction
Timothy S. Zwier, James C. Weisshaar, and Stephen R. Leone
Citation: The Journal of Chemical Physics 75, 4885 (1981); doi: 10.1063/1.441926
View online: http://dx.doi.org/10.1063/1.441926
View Table of Contents: http://scitation.aip.org/content/aip/journal/jcp/75/10?ver=pdfcov
Published by the AIP Publishing
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This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56

This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP:
130.70.241.163 On: Tue, 23 Dec 2014 19:21:56