Photodissociation and intramolecular dynamics of vibrationally excited CHF2Cl

Anbin Li, Gabriela Dorfman, Aviva Melchior, Salman Rosenwaks, Ilana Bar

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


The vibrationally mediated photodissociation (VMP) research was extended to the difluorochloromethane, CHF2Cl (HCFC22). Focus was on the comparison between the room temperature photoacoustic (PA) spectra and the jet-cooled action spectra of the N=3, N=7/2, and N=4 C-H stretchbend polyad components with the intention to look for local resonances. PA spectra were monitored by direct infrared (IR) excitation, while of the action spectra by subsequent interaction of ∼235/243 nm photons with vibrationally excited species. Furthermore, the branching ratios between the released H, Cl and Cl* photofragments were determined. Based on the action spectra and the branching ratios, information was obtained regarding the intramolecular dynamics during the photodissociation process.

Original languageEnglish
Pages (from-to)1869-1876
Number of pages8
JournalJournal of Chemical Physics
Issue number5
StatePublished - 1 Feb 2002

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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