Shock wave and modeling study of the reaction CF4 (+ M) <--> CF3 + F (+ M).

Knight, G.; Sölter, L.; Tellbach, E.; Troe, J.

doi:10.1039/C6CP03010F

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Shock wave and modeling study of the reaction CF4 (+ M) <--> CF3 + F (+ M).

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Sölter, L.
Emeritus Group of Spectroscopy and Photochemical Kinetics, MPI for Biophysical Chemistry, Max Planck Society;

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Tellbach, E.
Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society;

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Troe, J.
Emeritus Group of Spectroscopy and Photochemical Kinetics, MPI for Biophysical Chemistry, Max Planck Society;

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http://pubs.rsc.org/en/content/articlehtml/2016/cp/c6cp03010f
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Citation

Knight, G., Sölter, L., Tellbach, E., & Troe, J. (2016). Shock wave and modeling study of the reaction CF4 (+ M) <--> CF3 + F (+ M). Physical Chemistry Chemical Physics, 18(26), 17592-17596. doi:10.1039/C6CP03010F.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002B-0441-B

Abstract

The thermal decomposition of CF4 (+Ar) → CF3 + F (+Ar) was studied in shock waves over the temperature range 2000–3000 K varying the bath gas concentration [Ar] between 4 × 10−6 and 9 × 10−5 mol cm−3. It is shown that the reaction corresponds to the intermediate range of the falloff curve. By combination with room temperature data for the reverse reaction CF3 + F (+He) → CF4 (+He) and applying unimolecular rate theory, falloff curves over the temperature range 300–6000 K are modeled. A comparison with the reaction system CH4 (+M) ⇔ CH3 + H (+M) is made.