Kinetics and mechanism of the reaction of CF3 radicals with NO2

Article abstract of DOI:10.1002/(SICI)1097-4601(1996)28:8<579::AID-KIN3>3.0.CO;2-S

The reaction of CF₃ with NO₂ was studied at 296 ± 2K using two different absolute techniques. Absolute rate constants of (1.6 ± 0.3) × 10^-11 and (2.1_-0.3^+0.7) × 10^-11 cm³ molecule^-1 s^-1 were derived by IR fluorescence and UV absorption spectroscopy, respectively. The reaction proceeds via two reaction channels: CF₃ + NO₂ → CF₂O + FNO, (70 ± 12)% and CF₃ + NO₂ → CF₃O + NO, (30 ± 12)%. An upper limit of 11% for formation of other reaction products was determined. The overall rate constant was within the uncertainty independent of total pressure between 0.4 to 760 torr.