Abstract

The rate constant for removal of O(1D) by reaction with CF3CN has been measured to be (1.3 ± 0.2) × 10−10 cm3 molecule−1 s−1 at room temperature by a time-resolved laser induced fluorescence (LIF) technique. The quantum yield for the electronic quenching O(1D) to O(3P) has been also measured to be 0.14 ± 0.02. The O(1D) and O(3P) atoms were detected by LIF using a vacuum ultraviolet laser as a probe laser. CN(X2Σ+) and NCO(X2Π) products were also detected by LIF using ultraviolet and visible lasers, respectively. The CN(X) radical was observed as a primary product, while the NCO(X 2Π) radical was not observed as a primary product in the present reaction.

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