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    Chemical accelerator studies of reaction dynamics: Ar^+ + CH4 → ArH^+ + CH3

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    HierlP_JCP_1975(62)2555.pdf (804.2Kb)
    Issue Date
    1975-01-01
    Author
    Wyatt, J. R.
    Strattan, L. W.
    Snyder, S. C.
    Hierl, Peter M.
    Publisher
    American Institute of Physics
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    Chemical accelerator studies on isotopic variants of the reaction Ar+ + CH4 → ArH+ + CH3 are reported. Velocity and angular distributions of the ionic product as a function of initial translational energy have been measured over the energy range 0.39–25 eV center-of-mass (c.m.). The asymmetry of the product distribution with respect to the center of mass indicates that the reaction is predominantly direct over the energy range studied. The dynamics of the reaction are approximated by the spectator stripping model: The reaction exothermicity appears as product internal energy and product excitation increases with collision energy at the rate predicted by this model. The internal degrees of freedom of the neutral product have little effect on reactiondynamics, and product excitation appears to reside principally in the ionic product. Deviations from the spectator stripping model suggest the existence of a basin in the potential energy hypersurface for this reaction; the ArCH4 + complex which may be formed at low collision energies, however, preferentially decomposes via reaction channels other than that resulting in ArH+ formation.
    Description
    This is the publisher's version, also available electronically from http://scitation.aip.org/content/aip/journal/jcp/62/7/10.1063/1.430836.
    URI
    http://hdl.handle.net/1808/16098
    DOI
    https://doi.org/10.1063/1.430836
    ISSN
    0021-9606
    Collections
    • Chemistry Scholarly Works [552]
    Citation
    Wyatt, J. R.; Strattan, L. W.; Snyder, S. C.; Hierl, Peter M. (1975). "Chemical accelerator studies of reaction dynamics: Ar^+ + CH4 → ArH^+ + CH3." Jounal of Chemical Physics, 62:2555-2565. http://dx.doi.org/10.1063/1.430836.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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