物理化学学报 >> 1988, Vol. 4 >> Issue (03): 325-328.doi: 10.3866/PKU.WHXB19880319

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高平动能(1.15 eV)CN基的T-V过程的探讨

李学初; Jackson; W.M.   

  1. 中国科学院大连化学物理研究所; 美国California大学Davis分校
  • 收稿日期:1986-08-27 修回日期:1987-07-20 发布日期:1988-06-15
  • 通讯作者: 李学初

DISCUSSION ON THE T-V PROCESS IN CN RADICAL WITH HIGH TRANSLATION ENERGY (1.5 eV)

Li Xuechu*;
W.M.Jackson   

  1. Dalian Institute of Chemical Physics; Chinese Academy of Sciences
    California University; Davis; California U.S.A.
  • Received:1986-08-27 Revised:1987-07-20 Published:1988-06-15
  • Contact: Li Xuechu

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Abstract: The vibrational distributions of CNX~2Σ~+ have been obtained in photolysis of BrCN at 193 nm. An obvious increase of v″=1 population was found with increasing the collision of CN and BrCN. The populations in the v″=2—5 also appeared after the tens collisions. The case can not be found in photolysis of ClCN. A possible explanation was suggested that the CN radical is excited vibrationally due to a recoil which occurs at the collision of CN X~2Σ~+, v″=0 radical carrying 1.5 eV energy with the heavy molecule BrCN. This is similar to the vibrational excitation of CO at collision with a high speed H atom.