The reaction of electronically excited Na(3P) atoms with HCl has been studied in a crossed molecular beams experiment. At collision energies slightly above the endoergicity of the reaction, Na(3P) shows a dramatic enhancement of reactivity over ground state Na(3S). Detailed measurements of the laboratory angular and velocity distributions of the reactively scattered NaCl product at 5.4 kcal/mol collision energy have allowed determination of the product center‐of‐mass translational and angular distributions. These experimental results are compared to the DIPR model of electron transfer reactions. The broad translational energy distribution is in qualitative agreement with the DIPR model, but the angular distribution exhibits reduced intensity for scattering perpendicular to the relative velocity vector which cannot be reproduced by the DIPR model. The preferred transition state configuration, Na–Cl–H, is consistent with what would be predicted by a diffuse 3P orbital where the Na atom appears ion‐like. This configuration is opposite to that given by the dominant term in the long range multipolar expansion of the neutral reactant potential.
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15 May 1986
Research Article|
May 15 1986
Reactive scattering of Na(3 2P3/2)+HCl
M. F. Vernon;
M. F. Vernon
Materials and Molecular Research Division, Lawrence Berkeley Laboratory and Department of Chemistry, University of California, Berkeley, California 94720
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H. Schmidt;
H. Schmidt
Materials and Molecular Research Division, Lawrence Berkeley Laboratory and Department of Chemistry, University of California, Berkeley, California 94720
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P. S. Weiss;
P. S. Weiss
Materials and Molecular Research Division, Lawrence Berkeley Laboratory and Department of Chemistry, University of California, Berkeley, California 94720
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M. H. Covinsky;
M. H. Covinsky
Materials and Molecular Research Division, Lawrence Berkeley Laboratory and Department of Chemistry, University of California, Berkeley, California 94720
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Y. T. Lee
Y. T. Lee
Materials and Molecular Research Division, Lawrence Berkeley Laboratory and Department of Chemistry, University of California, Berkeley, California 94720
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J. Chem. Phys. 84, 5580–5588 (1986)
Article history
Received:
August 05 1985
Accepted:
February 03 1986
Citation
M. F. Vernon, H. Schmidt, P. S. Weiss, M. H. Covinsky, Y. T. Lee; Reactive scattering of Na(3 2P3/2)+HCl. J. Chem. Phys. 15 May 1986; 84 (10): 5580–5588. https://doi.org/10.1063/1.449917
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