Energy dependence of the O− transfer reactions of O3− and CO3− with NO and SO2

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Abstract
The O− transfer reactions of O3− and CO3− with NO and SO2 were measured as a function of temperature in the range 170–605 K in a variable‐temperature flowing afterglow system and as a function of center‐of‐mass kinetic energy in the range 0.04–2 eV in a flow‐drift tube system. The rate constant in each case showed a marked energy dependence. The rate constants measured as a function of temperature were essentially the same as those measured as a function of kinetic energy in He and Ar buffer gases when the comparison is made at the same mean center‐of‐mass kinetic energy. The results imply that the reactions have negligible vibrational or rotational energy dependence.