PRODUCT CHANNEL DYNAMICS OF THE NCO+NO REACTION

被引：103

作者：

COOPER, WF ^{[1
]}

PARK, J ^{[1
]}

HERSHBERGER, JF ^{[1
]}

机构：

[1] N DAKOTA STATE UNIV,DEPT CHEM,FARGO,ND 58105

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1993年 / 97卷 / 13期

关键词：

D O I：

10.1021/j100115a033

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The NCO + NO reaction was studied by time-resolved infrared diode laser spectroscopy. The CO2 + N2 channel was found to account for 56 +/- 7% of the total reaction rate, with N2O + CO accounting for the remaining 44 +/- 7%. These branching ratios were found to be independent of temperature in the range 296-623 K. Furthermore, the CN + O2 reaction at room temperature produces CO + NO products with a yield of 23 +/- 10% in addition to the NCO + O channel, with a significant negative temperature dependence. Product energy disposal studies were also performed. CO vibration and the nu3 mode of CO2 were found to account for only 0.55% and 3.4% of the available energy, respectively. These results are discussed in terms of statistical models and simple ab initio computations.

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页码：3283 / 3290

页数：8

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