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Citation: Wang Bao-Shan, Guo Jing-Zhong, Gu Yue-Shu, Mao Wen-Tao, Kong Fan-Ao. Vibrational Energy Transfer from Highly Excited State CO to C₂H₂[J]. Acta Physico-Chimica Sinica, ;1998, 14(04): 327-331. doi: 10.3866/PKU.WHXB19980408 shu

Vibrational Energy Transfer from Highly Excited State CO to C₂H₂

1.
Department of Chemistry,Shandong University,Jinnan 250100

Received Date: 7 July 1997
Available Online: 15 April 1998

The energy transfer process of highly vibrational states of CO with C2H2 has been studied by the Time -resolved Fourier Transform Infrared Emission Spectroscopy. The vibrational population of CO(v=1-3)were obtained by the simulations of the IR emission spectra. Differentiation method was used to calculate the quenching rate constants of CO(v=1-3)which are:2.0±0.1，6.0±0.2and 9.4±0.8(10-13cm3.molecule-1.s-1), respectively. The most possible energy transfer channel is the transfer of CO(v)to C2H2(v2). Dimer complexes may be formed in the collisional process. The equilibrium structures and lifetime of the complexes were estimated by ab initio computation and V-V/R theory.
- Time-resolved IR spectra,
- Highly vibrational excited state,
- V-V energy transfer
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沈阳化工大学材料科学与工程学院沈阳 110142

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Vibrational Energy Transfer from Highly Excited State CO to C₂H₂