TEMPERATURE-DEPENDENCE OF THE GAS-PHASE REACTIONS F+CHFO, CFO+F, AND CFO+CFO

The rate coefficients for the reactions CHFO + F, CFO + F and the self -reaction of CFO were determined over the temperature range of 222-298 K. A computer controlled discharge-flow system with mass spectrometri c detection was used. The results are expressed in the Arrhenius form (with energies in J): CHFO + F --> CFO + HF: k(1)(T) = (9.7 +/- 0.7).1 0(-12) exp[-(5940 +/- 150)/RT] cm(3) molecule(-1) s(-1) CFO + F + M -- > CF2O + M: k(2)(T) = (2.60 +/- 1.17).10(-10) exp[-(10110 +/- 1250)/RT cm(3) molecule(-1) s(-1) CFO + CFO --> CF2O + CO: k(3)(T) = (3.77 +/- <(2.7)under bar>).10(-10) exp[-(8350 +/- 2800)/RT] cm(3) molecule(-1) s(-1) (C) 1998 John Wiley & Sons, Inc.