Abstract
Polarized Raman studies of the ν 2 mode in methyl iodide at 1 and 1600 bar have confirmed, through an independent route, the results previously found by isotopic-dilution studies. By using a cubic-close-packed approximation of the liquid state and a 1/ r 6 interaction potential for dipolar dephasing between molecules, the data may be reconciled. This result is interpreted to be strong evidence for the dominance of the intermolecular transition-dipole dephasing mechanism.
Published Version
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