AIM Study on the Reaction of CH2SH Radical with Fluorine Atom |
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| Authors: | ?Cui-hong Sun Yan-li Zeng Ling-peng Meng Shi-jun Zheng |
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| Abstract: | The reaction of CH2SH radical with fluorine atom was studied at the levels of B3LYP/6-311G(d,p) and MP2(Full)/6-311G(d,p). The computational results show that the reaction has three channels and proceeds by the addition of fluorine atoms on carbon or sulfur sites of CH2SH, forming initial intermediates. The calculated results show that the channel in which fluorine attaches to the carbon atom to form CH2S and HF, is the most likely reaction pathway. Topological analysis of electron density was carried out for the three channels. The change trends of the chemical bonds on the reaction paths were discussed. The energy transition states and the structure transition regions (states) of the three channels were found. The calculated results show that the structure transition regions are broad in unobvious exothermic reactions or unobvious endothermic reactions, and are narrow in obvious exothermic reactions or obvious endothermic reactions. |
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| Keywords: | Radical reaction Energy transition state Structure transition state Structure transitionregion Topological analysis of electronic density |
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