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A novel feature of intramolecular vibrational redistribution in propargyl alcohol and propargyl amine
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10.1063/1.2977982
/content/aip/journal/jcp/129/11/10.1063/1.2977982
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/11/10.1063/1.2977982

Figures

Image of FIG. 1.
FIG. 1.

Anti-Stokes Raman signal in the band (in units of defined as a signal intensity at zero delay time and a vanishingly short excitation pulse) vs the pump-probe delay time. Results are presented for propargyl alcohol at a pressure of and propargyl amine at a pressure of . The pump and probe laser pulse durations (full width at half maximum) are of, respectively, 20 and . The measurement error is determined by the statistics of photon counts. The solid curves represent the best model fit to the experimental data according to scenario I described in the text, i.e., with exclusion of the torsion mode. Obtained values of the inverse IVR rate and dilution factor are and for and and for . The dashed curves show what would be at scenarios A and B with the same IVR rates.

Tables

Generic image for table
Table I.

Densities of the bath states and dilution factors for various scenarios of IVR from the mode . State densities (in states/) are calculated using a window of . The harmonic approximation is used for all the modes except the torsion mode. (Anharmonicity certainly keeps the estimated values of and within their determination errors.)

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/content/aip/journal/jcp/129/11/10.1063/1.2977982
2008-09-17
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A novel feature of intramolecular vibrational redistribution in propargyl alcohol and propargyl amine
http://aip.metastore.ingenta.com/content/aip/journal/jcp/129/11/10.1063/1.2977982
10.1063/1.2977982
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