Laser-flash photolysis of RBr/O 3 /SF 6 /He mixtures at has been coupled with 248 nm BrO detection by time-resolved UV absorption spectroscopy to measure BrO product yields from O( 1 D) reactions with HBr, CF 3 Br, CH 3 Br, CF 2 ClBr, and CF 2 HBr at The measured 298 ฯฎ 3 K. yields are: HBr, CF 3 Br,
Experimental determination of the double ionization energies of the perhalomethanes, CF3Br, CF2Br2, CFBr3 and CF2ClBr
โ Scribed by W. J. Griffiths; F. M. Harris
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 442 KB
- Volume
- 24
- Category
- Article
- ISSN
- 1076-5174
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๐ SIMILAR VOLUMES
The reactions of Zn(CF 3 )Br ยด2 CH 3 CN, Cd(CF 3 ) 2 ยด2 CH 3 CN or Bi(CF 3 ) 3 /AlCl 3 with tertiary amines lead to the formation of quaternary ammonium salts of the general formula [R 3 NCF 2 H]X. The reaction of 4-N,N-dimethylaminopyridine with Zn(CF 3 )Br ยด2 CH 3 CN yields (Ndifluoromethyl)-4-N,N
Rate constant ratios, k d /k c , for the disproportionation/combination reaction at a temperature of 295 ฯฎ 2 K, have been measured as 0.034 ฯฎ 0.009 for the collision between CF 3 CH 2 CF 2 ฯฉ CF 3 radicals and as 0.075 ฯฎ 0.019 for CF 3 CH 2 CF 2 ฯฉ CF 3 CH 2 CF 2 radicals. The effect of the two fluori
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## Abstract Rate constants were determined for the reactions of OH radicals with the hydrofluoroethers (HFEs) CH~2~FCF~2~OCHF~2~(__k__~1~), CHF~2~CF~2~OCH~2~CF~3~ (__k__~2~), CF~3~CHFCF~2~OCH~2~CF~3~(__k__~3~), and CF~3~CHFCF~2~OCH~2~CF~2~CHF~2~(__k__~4~) by using a relative rate method. OH radical