作者:Andrew D.J Critchley、Chris R Howle、Chris A Mayhew、Richard P Tuckett
DOI:10.1016/j.chemphys.2004.03.033
日期:2004.8
A selected ion flow tube was used to investigate the positive ion chemistry of thiophosphoryl chloride, PSCl3. Rate coefficients and ion product branching ratios have been determined at room temperature for reactions with 19 cations; H3O+, CF3+, CF+, NO+, NO2+, SF2+, SF+, CF2+, O2+, H2O+, N2O+, O+, CO2+, CO+, N+, N2+, Ar+, F+ and Ne+ (in order of increasing recombination energy). Complementary data
使用选定的离子流管研究硫代磷酰氯PSCl 3的正离子化学性质。已在室温下确定了与19种阳离子反应的速率系数和离子产物支化比。H 3 O +,CF 3 +,CF +,NO +,NO 2 +,SF 2 +,SF +,CF 2 +,O 2 +,H 2 O +,N 2 O +,O +,CO 2 +,CO +,N +,N 2 +,Ar +,F +和Ne +(按增加重组能的顺序)。通过观察阈值光电子光子重合,已经获得了该分子的先前数据中所述的补充数据。对于重组能在10–22 eV范围内的离子,比较了来自光电离和离子分子反应的PSCl 3的产物离子支化比。在大多数情况下,这两个实验的数据具有良好的相关性,表明长距离电荷转移是这些离子-分子反应的主要机制。该协议对原子离子Ar +特别有利,F +和Ne +。但是,某些反应(例如O 2 + + PSCl 3)表现出显着差异。在形成离子-分子复合物之后,必须进行短程电荷转移。对于重组能小于10