N(4S3/2) reaction with NO and NO2: Temperature dependent rate coefficients and O(3P) product yield

被引：3

作者：

Papanastasiou, Dimitrios K. ^{[1
,2
]}

Bourgalais, Jeremy ^{[1
,2
]}

Gierczak, Tomasz ^{[1
,2
,3
]}

Burkholder, James B. ^{[1
]}

机构：

[1] NOAA, Earth Syst Res Lab, Chem Sci Div, 325 Broadway, Boulder, CO 80305 USA

[2] Univ Colorado, Cooperat Inst Res Environm Sci, Boulder, CO 80309 USA

[3] Warsaw Univ, Dept Chem, Al Zwirki & Wigury 101, PL-02089 Warsaw, Poland

来源：

CHEMICAL PHYSICS LETTERS | 2019年 / 728卷

关键词：

NITROGEN-ATOMS; ELEMENTARY REACTIONS; RATE CONSTANTS; N(S-4);

D O I：

10.1016/j.cplett.2019.04.081

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 N(S-4(3/2)) + NO (k(1)) and N(S-4(3/2)) + NO2 (k(2)) gas-phase reactions, relevant to upper-atmospheric NOx chemistry, were studied using a discharge flow tube reactor with atomic resonance fluorescence detection of O(P-3) atoms. Reaction rate coefficients were measured over the temperature range 216-344 K to be k(1)(T) = (2.61 +/- 0.19) x 10(-11) exp((86 +/- 21)/T) and k(2)(T) = (2.41 +/- 0.62) x 10(-12) exp((442 +/- 64)/T) cm(3) molecule(-1) s(-1). The O(P-3) yield in the NO2 reaction was found to be 0.66 +/- 0.06. Our results are compared with previous studies and rate coefficient recommendations are provided.

引用

页码：102 / 108

页数：7

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