Mechanism and Rate Constants of Ion–Molecule Reactions Leading to Formation of H+(H2O)n in Moist Oxygen and Air
Mechanism and Rate Constants of Ion–Molecule Reactions Leading to Formation of H+(H2O)n in Moist Oxygen and Air
复制标题
湿氧和空气中形成 H+(H2O)n 的离子分子反应的机理和速率常数
DOI：
--
复制
发表时间：
1970
期刊：
影响因子：
--
通讯作者：
P. Kebarle
中科院分区：
文献类型：
--
作者：
A. Good;D. Durden;P. Kebarle
H+(H2O)n 簇在湿氧中的形成引起了人们的兴趣，因为该过程必须发生在对流层中，并且已观察到发生在电离层的 D 区域。用脉冲电子束高压质谱仪研究了从 O2+ 到 H+(H2O)n 的反应机理。在托范围内的氧气压力下并且对于[O2]/[H2O]>102，主要反应按照O2+→O4+→O2+·H2O→H3O+·OH→H+(H2O)2→H+(H2O)n 的顺序进行。确定了所有主要步骤的速率常数。还确定了在不同条件下可能变得重要的平行反应的速率常数。
The formation of H+(H2O)n clusters in moist oxygen is of interest since this process must occur in the troposphere and has been observed to occur in the D region of the ionosphere. The reaction mechanism leading from O2+ to H+(H2O)n was investigated with a pulsed electron‐beam high‐pressure mass spectrometer. At oxygen pressures in the torr range and for [O2]/[H2O]>102 the major reaction proceeds by the sequence O2+→O4+→O2+·H2O→H3O+·OH→H+(H2O)2→H+(H2O)n. The rate constants for all major steps were determined. Rate constants for parallel reactions which may become important at different conditions were also determined.