Products of radical combination from the free-radical buffer system R' + R'I RI + R'. have been analyzed for the two cases, R = Me, R' = iPr and R = Et, R' = iPr. Results are consistent with the previously examined system where R = Me, R' = Et, and give a value of k p for iPr' combination of 108.6\
Rate constants for radical recombination. III. The trifluoromethyl radical
β Scribed by R. Hiatt; S. W. Benson
- Publisher
- John Wiley and Sons
- Year
- 1972
- Tongue
- English
- Weight
- 289 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0538-8066
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β¦ Synopsis
Products of the radical reactions arising from t-BuZOz, CFsI, and CHsI at 146Β°C in the vapor phase have been measured over a 33-fold range of CHsI/CH,I ratios and shown to be governed by the rapidly established equilibrium
Together with K estimated by thermochemical methods, the results yield, for the rate of recombination for CF3. radicals, k, = * 0 . 5 M-' sec-l.
π SIMILAR VOLUMES
The high-pressure rate constant of the CF, + CF, + C,F, reaction at T = 296 K was rneasured i n the pulse photolysis ( A = 694 3 nm ruby laser) of CF, NO in the presence of NO by means of the time-resolved detection of CF,NO by the intracavity absorption of He-Ne laser radiation ( A = 632 8 nrn) The
## Abstract The decaying absorption of CH~3~ radicals at 216.4 nm has been followed over more than three halfβlives using a photoelectric splitβbeam kinetic spectrometer. The rate constant for recombination __k__~r~ was found to be (5.60 Β± 0.76) Γ 10^β11^ cm^3^/moleculeΒ·s.
## Abstract The unimolecular homogeneous decomposition of hexafluoroazomethane was studied in a VLPP apparatus in the temperature range 720β1050 K and is consistent with the following Arrhenius parameters: at 900 K, where the __A__ factor was assumed to be the same as for 2,2β²βazoisobutane. The h