Nonthermal intramolecular vibrational energy distribution in infrared-multiphoton-excited CF2Cl2

Kuei Hsien Chen, Jyhpyng Wang, Eric Mazur

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The intramolecular vibrational energy distribution of infrared-multiphoton- excited CF2Cl2 molecules is studied with time-resolved spontaneous Raman scattering. The time evolution of the signals from three vibrational modes is studied up to 600 ns after excitation, and in the presence of N2 buffer gas. Following collisionless infrared multiphoton excitation a nonthermal distribution of vibrational energy is observed. This nonequilibrium distribution persists up to high levels of vibrational excitation, with at least 10 000 cm-1 in three out of the nine vibrational modes.

Original languageEnglish
Pages (from-to)2728-2731
Number of pages4
JournalPhysical Review Letters
Volume59
Issue number24
DOIs
StatePublished - 1987

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