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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Experimental and Theoretical Studies of the Methylidyne CH(X~2Π) Radical Reaction with Ethane (C_2H_6): Overall Rate Constant and Product Channels
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Experimental and Theoretical Studies of the Methylidyne CH(X~2Π) Radical Reaction with Ethane (C_2H_6): Overall Rate Constant and Product Channels

机译：亚甲基CH（X〜2Π）与乙烷（C_2H_6）自由基反应的实验和理论研究：总速率常数和产物通道

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摘要

The reaction of CH with ethane was studied, at room temperature, in a low-pressure fast-flow reactor. CH(X~2Π, v = 0) radicals were obtained from the reactions of CHBr_3 with potassium atoms. The overall rate constant is found at 300 K to be (1.6 ± 0.6) * 10~(-10) cm~3 molecule~(-1) s~(-1). The absolute atomic hydrogen production was determined by V.U.V. resonance fluorescence, the reference used being the H production from the CH + CH_4 reaction. The H atoms production from the CH + C_2H_6 reaction was found equal to 22 ± 8%. Ab initio studies of the different stationary points relevant to this reaction and RRKM calculations have been performed for comparison with experimental results.
机译：在室温下，在低压快速流动反应器中研究了CH与乙烷的反应。 CH（X〜2Π，v = 0）自由基是通过CHBr_3与钾原子的反应获得的。发现总速率常数在300 K下为（1.6±0.6）* 10〜（-10）cm〜3分子〜（-1）s〜（-1）。绝对氢原子产生量由V.U.V.共振荧光，所用参考是CH + CH_4反应产生的H。发现CH + C_2H_6反应产生的H原子等于22±8％。从头开始研究了与该反应有关的不同固定点和RRKM计算，以便与实验结果进行比较。

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