A large vibrational enhancement in the reaction of CN(v″=1, 2)+NO

Abstract
A large vibrational enhancement of the rate constant has been observed in the two-body reaction of CN(v″=1 and 2) with NO. NO also has a high efficiency as a third body in the termolecular recombination reaction between CN and NO. The rate constant obtained in this study for the bimolecular reaction between NO and CN (X 2 ∑ +) radicals in v″=0,1, and 2 are 1.6 ± 0.3×10−13, 5.6±0.8×10−11, and 6.2±1.0×10−11 cm3 molecule−1 s−1, respectively. The termolecular recombination reaction between CN(v″=0) and NO using Ar as a third body is 6.0±0.6×10−31 cm6 molecule−2 s−1, whereas when NO is the third body, the rate constant is 3.2±0.3×10−29 cm6 molecule−2 s−1.

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