Abstract
Product yields were measured in the 296K photolysis of CF3C(O)Cl at 193, 248, 254, and 280nm. Br2 was used as a radical scavenger to convert the primary CF3 and CF3CO radical photofragments into stable bromides, CF3Br and CF3C(O)Br, which were quantified along with CO and CF2O using infrared absorption. The stabilized CF3CO radical yield increased with increasing photolysis wavelength from <0.007 at 193nm to 0.95−0.10+0.05 at 280nm. An upper-limit for the ClCO radical yield was estimated to be <0.004 at all wavelengths. The CF3Cl quantum yield was determined to be <0.001 at all wavelengths.
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