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 Title: H-atom reaction kinetics in solid parahydrogen followed by rapid scan FTIR Author(s): Anderson, David T. Subject(s): Mini-symposium: Spectroscopy in Kinetics and Dynamics Abstract: Reactions of migrating H-atoms in parahydrogen (pH$_{2}$) matrices with trapped molecular species provide a relatively unexplored yet well-established experimental method to study the kinetics and mechanisms of atom tunneling reactions in the 1.5 to 5 K temperature range. My group has now completed a series of experimental studies on the kinetics of reactions of H-atoms with HCOOH, CH$_{3}$OH, and N$_{2}$O which all show a pronounced inverse temperature dependence over this small temperature range.\footnote{Fredrick M. Mutunga, Shelby E. Follett, and David T. Anderson, \textit{J. Chem. Phys.} \textbf{139}, 151104 (2013).} Conversely, the analogous H-atom reaction with NO displays a more standard Arrhenius behavior. In this talk, I will present a brief summary of these results with the objective of developing a predictive understanding of the kinetics of these H-atom tunneling reactions. I will also emphasize the advantages of following the kinetics using rapid scan FTIR. Issue Date: 2014-06-18 Publisher: International Symposium on Molecular Spectroscopy Citation Info: Anderson, D.T. H-ATOM REACTION KINETICS IN SOLID PARAHYDROGEN FOLLOWED BY RAPID SCAN FTIR. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.WH02 Genre: Conference Paper / Presentation Type: Text Language: English URI: http://hdl.handle.net/2142/55843 DOI: https://doi.org/10.15278/isms.2014.WH02 Rights Information: Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License. http://creativecommons.org/licenses/by/4.0/ Date Available in IDEALS: 2014-11-202015-04-14
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