✦ LIBER ✦

The kinetics and the mechanism of the thermal reaction between sulfurtetrafluoride (SF4) and trifluoromethylhypofluorite (CF3OF)

✍ Scribed by Alicia C. Gonzalez; H. J. Schumacher

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 379 KB
Volume: 17
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550170106

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✦ Synopsis

The kinetics of the thermal reaction between SF, and CF,OF has been studied between 142°C and 185°C. The reaction was found to be homogeneous and the only products formed are equimolecular amounts of SF, and CF,O,CF, and smaller amounts of CF,OSF,.

The reaction mechanism was not affected by the total pressure, the oxygen pressure, or by the buildup of products. The experimental data can be explained by the following mechanism:

(1)

CF,O + CF,O -+ CF,OOCF, (4) CF,O + SF, + CF,OSF,

The rate constants can be expressed as k, = (4.58 t 0.30) x lo7 exp(-18900 f 1000 cal/RT) M-'s-' k, = (3.88 f 0.30) x lo9 exp( -9800 f 1000 cal/RT) W ' s -'

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