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O(3P)与C2H2反应机理的量子化学研究

Quantum Chemical Study on Mechanism of Reaction between O((3P)) and C2H2

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【作者】 孟庆喜张金生申伟罗小玲李明

【Author】 MENG Qing-xi, ZHANG Jin-sheng,SHEN Wei, LUO Xiao-ling, LI MingSchool of Chemistry and Chemical Engineering, Southwest China Normal University, Chongqing 400715, China

【机构】 西南师范大学化学化工学院西南师范大学化学化工学院 重庆400715重庆400715重庆400715

【摘要】 用量子化学计算方法对O(3P)与C2H2的反应进行了研究.在HF/6311++G(d,p),HF/6311++G(3df,3pd),MP2/6311++G(d,p)和MP2/6311++G(3df,3pd)计算水平上,优化了反应势能面上各驻点的几何结构.通过内禀反应坐标(IRC)计算和振动分析,对反应过渡态进行了确认,并确定了反应机理.

【Abstract】 By means of quantum chemical study, the reaction between O((3P)) and C2H2 was studied. All the geometries at the critical points of the potential surface were completely optimized at the HF/6-311++G(d,p), HF/6-311++(3df,3pd), MP2/6-311++G(d,p) and MP2/6-311++G(3df,3pd) computational levels. All tranistion states are verified by the internal reaction coordinate calculations and the vibrational analysis. The mechanism of the reaction is confirmed.

【基金】 重庆市应用基础研究资助项目(20027473).
  • 【文献出处】 西南师范大学学报(自然科学版) ,Journal of Southwest China Normal University(Natural Science) , 编辑部邮箱 ,2005年03期
  • 【分类号】O621.25
  • 【被引频次】2
  • 【下载频次】70
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