Abstract
The dynamic reaction pathways after passing the initial barrier for the reaction of atomic oxygen radical anion (O −) with ethylene (CH 2 CH 2) have been investigated with Born–Oppenheimer molecular dynamics (BOMD) simulations. The BOMD simulations initiated at this [O⋯H⋯CH CH 2] − barrier on the exit-channel potential energy surface (PES) reveal several different types of dynamic reaction pathways leading to various anionic products. In particular, as the energy added on the transition vector of the [O⋯H⋯CH CH 2] − transition state increases remarkably, the OH − and CH 2 CH become the dominant products instead of the CH 2 CHO − and H. As a result, animated images are displayed and more extensive reaction mechanisms are illuminated for the title reaction from the perspective of the dynamic reaction pathways.
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