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Titolo:
Energy disposal in CN(X (2)Sigma(+)) produced in the 157 nm photodissociation of acrylonitrile
Autore:
Guo, JZ; Carrington, T; Filseth, SV;
Indirizzi:
York Univ, Dept Chem, Toronto, ON M3J 1P3, Canada York Univ Toronto ON Canada M3J 1P3 ept Chem, Toronto, ON M3J 1P3, Canada
Titolo Testata:
JOURNAL OF CHEMICAL PHYSICS
fascicolo: 18, volume: 115, anno: 2001,
pagine: 8411 - 8417
SICI:
0021-9606(200111)115:18<8411:EDIC(P>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
193 NM; TRANSLATIONAL SPECTROSCOPY; DYNAMICS; 1,1-DIFLUOROETHYLENE; EXCITATION; CHANNEL; HCN;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Guo, JZ York Univ, Dept Chem, Toronto, ON M3J 1P3, Canada York Univ Toronto ON Canada M3J 1P3 , Toronto, ON M3J 1P3, Canada
Citazione:
J.Z. Guo et al., "Energy disposal in CN(X (2)Sigma(+)) produced in the 157 nm photodissociation of acrylonitrile", J CHEM PHYS, 115(18), 2001, pp. 8411-8417

Abstract

Photodissociation of acrylonitrile has been studied at 157.6 nm through analysis of laser-induced fluorescence experiments. The CN(X (2)Sigma (+)) radicals formed in this dissociation are detected in vibrational levels up tov=6 and rotational population distributions are measured for vibrational levels v=0-3. The average energies found in vibration and rotation of CN areapproximately equal and represent about 5% of the available energy if the vinyl radical is the co-fragment. This is close to the 7% expected on the basis of the equipartition theorem which suggests that energy disposal is largely statistical. The vibrational and rotational distributions however arenot in good agreement with an energy-conserving prior distribution suggesting that dynamical factors play a significant role in energy disposal. (C) 2001 American Institute of Physics.

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Documento generato il 29/11/20 alle ore 09:04:31