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Citation: Hu Yi-Hua, Wang Xiao-Juan, Zhan Ye-Hong, Chu Yan-Nan, Li Shu-Tao, Cao De-Zhao, Guo Jing-Zhong, Liu Chuan-Pu, Gu Yue-Shu. The Energy Transfer Reaction of Metastable He(2³S)、Ar(³P_0.2) Atoms with C₂H₃CN Molecule[J]. Acta Physico-Chimica Sinica, ;1996, 12(11): 1011-1014. doi: 10.3866/PKU.WHXB19961111 shu

The Energy Transfer Reaction of Metastable He(2³S)、Ar(³P_0.2) Atoms with C₂H₃CN Molecule

1.
Department of Math Phys,Guangdong University of Technology,Guangzhou 510090

Received Date: 15 April 1996
Available Online: 15 November 1996

Excited radicals CN(A, B), CH(A), H(n=3,4,5) were produced in the energy transfer reaction of metastable He(23S)、 Ar(3P0,2) atoms with C2H3CN molecule by using discharge-flowing afterglow technique. The emission spectra of products were analysed, the results showed that vibrational populations of CN (B, v) were irregular in He(23S)+C2H3CN reaction and the mechanism was that two energy levels of CN(B, v=0,14) were coupled by the other two of CN(A, v=10,30). The relative vibrational population of CN (A, B, v), except the energy level of CN (B, v=14), decreased with the increase quantum number v of vibration which was the statistical population. The nascent rotational temperature Tr of the product CH (A, v=0) was 2600K.The formation mechanism of excited products was suggested as
He(23S)+C2H3CN)→CN(A,B)+CH+CH2
→CN(A)+CH2+CN
→H(n=1,2,3)+C2H2CN
Ar(3P0,2)+C2H3CN→CN(A,B)+C2H3
- Energy transfer reaction,
- Chemiluminescene
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The Energy Transfer Reaction of Metastable He(23S)、Ar(3P0.2) Atoms with C2H3CN Molecule

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通讯作者: 陈斌, bchen63@163.com

The Energy Transfer Reaction of Metastable He(2³S)、Ar(³P_0.2) Atoms with C₂H₃CN Molecule