A theoretical and experimental study of the CN + NO association reaction

Stephen J. Klippenstein*, D. L. Yang, T. Yu, S. Kristyan, Ming-Chang Lin, S. H. Robertson

*此作品的通信作者

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14 引文 斯高帕斯(Scopus)

摘要

A pulsed-laser photolysis/laser-induced fluorescence technique is employed in the determination of the pressure and temperature dependence of the reaction of CN with NO in the range from 207 to 740 K and for Ar bath gas pressures ranging from 30 to 900 Torr. A variational RRKM model coupled with a one-dimensional master equation treatment provides a reasonably satisfactory description of the available kinetic data for both the association and dissociation processes. The association kinetic data is best fit by a collisional energy transfer parameter, 〈ΔE〈d0wn, for the simple exponential down model, which gradually increases from -35 cm-1 at 100 K to -500 cm-1 at 740 K. The expression 3.4 x 10-10 exp(120/T) cm3 s-1 reproduces the present theoretical estimates for the high-pressure rate constant in the range from 207 to 740 K.

原文English
頁(從 - 到)6973-6980
頁數8
期刊Journal of Physical Chemistry A
102
發行號35
DOIs
出版狀態Published - 27 8月 1998

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