THREE AND FOUR CENTER ELIMINATION OF HC1 IN THE MULTIPHOTON DISSOCIATION OF HALOGENATED HYDROCARBONS Page: 3 of 54
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THREE AND FOUR CENTER ELIMINATION OF HCi IN THE
MULTIPHOTON DISSOCIATION OF HALOGENATED HYDROCARBONS
Aa. S. Sudbo,* P. A. Schulz,*
Y. R. Shen,* and Y. T. Leet
Materials and Molecular Research Division
Lawrence Berkeley Laboratory
University of California
Berkeley, California 94720
Three and four center unimolecular elimination reactions of HCl
have been investigated for CHF2C1, CHFC12, CH3CCl , CH3CF2C1 and
CHC1CF2 in a molecular beam experiment using infrared multiphoton
absorption to energize the molecule. The translational energy
distributions obtained in this work show that the average trans-
lational energy released to the fragments is around 8-12 kcal/mole,
except for the three center elimination reaction from CHClCF2, which
gives a value of 1 kcal/mole. In four center eliminations, the
translational energy released is less than 20% of the potential
energy barrier of the back reaction. This is somewhat less than
previous indications that approximately 30% of the potential energy
barrier of the exit channel in four center reactions should be
released into translation.
Also associated with the Department of Physics, University of
Also associated with the Department of Chemistry, University of
California, Berkeley. Guggenheim Fellow 1977-1978.
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Sudbo, Aa. S.; Schulz, P.A.; Shen, Y.R. & Lee, Y.T. THREE AND FOUR CENTER ELIMINATION OF HC1 IN THE MULTIPHOTON DISSOCIATION OF HALOGENATED HYDROCARBONS, article, April 1, 1978; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc840434/m1/3/: accessed March 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.