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Studies on the Quenching of SO(c1∑-, v '=0)
Author(s): WANG Hong-Mei, TANG Xiao-Shuan, CHU Yan-Nan, ZHOU Shi-Kang
Pages: 1195-
1197
Year: 2005
Issue:
11
Journal: ACTA PHYSICO-CHIMICA SINICA
Keyword: SO(c1∑-); 猝灭速率常数; 醇类分子; 碰撞络合物; 动力学;
Abstract: 在流动余辉装置上,研究了SO(c1∑-)的猝灭动力学过程.获得了SO2,O2,CO2,N2,He,CS2,CH3OH,C2H5OH,C3H7OH,C4H9OH,CH3COCH3,C6H6 CH2Cl2,CH2Br,CHCl3,CCl4等16种分子与SO(c1∑-)发生猝灭反应的速率常数.初步分析表明:醇类分子CnH2n+1OH(n=1,2,3,4)中的C-H键的数目与其对SO(c1∑-)的猝灭速率成正比;CO2,N2等非极性无机小分子对SO(c1∑-)的猝灭作用不明显,强极性分子SO2对SO(c1∑-)的猝灭作用较强.卤代烷烃中的卤素原子的大小对SO(c1∑-)的猝灭过程发挥着较重要的作用;而氯代烷烃中氯原子的个数与猝灭速率之间的关系不明显.
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