Photodissociation and intramolecular dynamics of vibrationally excited CHF2Cl

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

doi:10.1063/1.1427915

Photodissociation and intramolecular dynamics of vibrationally excited CHF₂Cl

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

Department of Physics

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

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 language	English
Pages (from-to)	1869-1876
Number of pages	8
Journal	Journal of Chemical Physics
Volume	116
Issue number	5
DOIs	https://doi.org/10.1063/1.1427915
State	Published - 1 Feb 2002

ASJC Scopus subject areas

Physics and Astronomy (all)
Physical and Theoretical Chemistry

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title = "Photodissociation and intramolecular dynamics of vibrationally excited CHF2Cl",

abstract = "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.",

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T1 - Photodissociation and intramolecular dynamics of vibrationally excited CHF2Cl

AU - Li, Anbin

AU - Dorfman, Gabriela

AU - Melchior, Aviva

AU - Rosenwaks, Salman

AU - Bar, Ilana

PY - 2002/2/1

Y1 - 2002/2/1

N2 - 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.

AB - 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.

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Photodissociation and intramolecular dynamics of vibrationally excited CHF₂Cl

Abstract

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