IR Multiphoton-induced retro Diels-Alder dissociation of decafluorocyclohexene by a pulsed CO2 laser

Chowdhury, Pradyot K. ; Mittal, Jai P. ; Rama Rao, K. V. S. (1984) IR Multiphoton-induced retro Diels-Alder dissociation of decafluorocyclohexene by a pulsed CO2 laser Journal of Photochemistry, 24 (4). pp. 373-381. ISSN 0047-2670

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0047-2670(84)80018-0

Abstract

The retro Diels-Alder dissociation of decafluorocyclohexene into tetrafluoroethylene and hexafluorobutadiene was experimentally investigated. The nascent hexafluorobutadiene formed after dissociation isomerizes to thermodynamically stable hexafluorocyclobutene. The wavelength-dependent and energy-dependent dissociations were studied. Experiments over a range of pressure showed that collisions have a detrimental effect on the rate of dissociation. Under collisionless conditions, the threshold fluence for the decomposition of decafluorocyclohexene at the R(20) line of the 10.6 µm CO2 laser line was found to be 0.92 J cm−2.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:64644
Deposited On:12 Oct 2011 12:01
Last Modified:12 Oct 2011 12:01

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