Shock wave studies of the pyrolysis of fluorocarbon oxygenates. II. The thermal dissociation of C4F8O

2017 | journal article. A publication with affiliation to the University of Göttingen.

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​Cobos, C. J., K. Hintzer, Lars Soelter, Elsa Tellbach, A. Thaler, and Juergen Troe. "Shock wave studies of the pyrolysis of fluorocarbon oxygenates. II. The thermal dissociation of C4F8O​." ​Physical Chemistry Chemical Physics ​19, no. 4 (2017): ​3159​-3164​. ​https://doi.org/10.1039/c6cp06822g.

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Authors
Cobos, C. J.; Hintzer, K.; Soelter, Lars; Tellbach, Elsa; Thaler, A.; Troe, Juergen
Abstract
The thermal decomposition of octafluorooxalane, C4F8O, to C2F4 + CF2 + COF2 has been studied in shock waves highly diluted in Ar between 1300 and 2200 K. The primary dissociation was shown to be followed by secondary dissociation of C2F4 and dimerization of CF2. The primary dissociation was found to be in its falloff range and falloff curves were constructed. The limiting low and high pressure rate constants were estimated and compared with modelling results. Quantum-chemical calculations identified possible reaction pathways, either leading directly to the final products of the reaction or passing through an open-chain CF2CF2CF2 intermediate which dissociates in a second step.
Issue Date
2017
Status
published
Publisher
Royal Soc Chemistry
Journal
Physical Chemistry Chemical Physics 
ISSN
1463-9084; 1463-9076
Sponsor
Deutsche Forschungsgemeinschaft [69/20-1]

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