The dynamics of the O(1D2)+CO(X1Σ +, v=0) reaction

R. G. Shortridge; Ming-Chang Lin

doi:10.1063/1.432017

The dynamics of the O(¹D₂)+CO(X¹Σ ⁺, v=0) reaction

R. G. Shortridge^*, Ming-Chang Lin

^*Corresponding author for this work

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

49 Scopus citations

Abstract

The quenching of the O(¹D) atom by CO(v=0) has been studied by means of a flash-photolytic CO-laser resonant absorption method. The complete CO vibrational population distribution (0≤v≤7) was determined at four temperatures between 246 and 323°K. The results of both isotope-labeled experiments, ¹⁶O(¹D)+C¹⁸O, and simple statistical model calculations indicate that the quenching reaction takes place via a CO₂ complex. The good agreement between observed and calculated CO vibrational population distributions implies that the 45.4 kcal/mole electronic energy carried by the O(¹D) atom has been completely randomized among all vibrational modes of the CO₂ complex.

Original language	English
Pages (from-to)	4076-4085
Number of pages	10
Journal	The Journal of chemical physics
Volume	64
Issue number	10
DOIs	https://doi.org/10.1063/1.432017
State	Published - 1 Jan 1976

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abstract = "The quenching of the O(1D) atom by CO(v=0) has been studied by means of a flash-photolytic CO-laser resonant absorption method. The complete CO vibrational population distribution (0≤v≤7) was determined at four temperatures between 246 and 323°K. The results of both isotope-labeled experiments, 16O(1D)+C18O, and simple statistical model calculations indicate that the quenching reaction takes place via a CO2 complex. The good agreement between observed and calculated CO vibrational population distributions implies that the 45.4 kcal/mole electronic energy carried by the O(1D) atom has been completely randomized among all vibrational modes of the CO2 complex.",

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N2 - The quenching of the O(1D) atom by CO(v=0) has been studied by means of a flash-photolytic CO-laser resonant absorption method. The complete CO vibrational population distribution (0≤v≤7) was determined at four temperatures between 246 and 323°K. The results of both isotope-labeled experiments, 16O(1D)+C18O, and simple statistical model calculations indicate that the quenching reaction takes place via a CO2 complex. The good agreement between observed and calculated CO vibrational population distributions implies that the 45.4 kcal/mole electronic energy carried by the O(1D) atom has been completely randomized among all vibrational modes of the CO2 complex.

AB - The quenching of the O(1D) atom by CO(v=0) has been studied by means of a flash-photolytic CO-laser resonant absorption method. The complete CO vibrational population distribution (0≤v≤7) was determined at four temperatures between 246 and 323°K. The results of both isotope-labeled experiments, 16O(1D)+C18O, and simple statistical model calculations indicate that the quenching reaction takes place via a CO2 complex. The good agreement between observed and calculated CO vibrational population distributions implies that the 45.4 kcal/mole electronic energy carried by the O(1D) atom has been completely randomized among all vibrational modes of the CO2 complex.

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The dynamics of the O(¹D₂)+CO(X¹Σ ⁺, v=0) reaction

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