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The v-v energy transfer of highly vibrationally excited states (II) - Vibrational quenching of CO(v) by H2O
Wang, BS; Gu, YS; Li, Q; Kong, F
关键词Time-resolved Ir Spectra Highly Vibrationally Excited States Vibrational Energy Transfer
刊名CHINESE SCIENCE BULLETIN
1998-10-01
43期:19页:1621-1625
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]RELAXATION ; MOLECULES ; COMPLEX
英文摘要The vibrational energy transfer from highly vibrationally excited CO to H2O molecules is studied by time-resolved Fourier transform infrared emission spectroscopy (TR FTIR). Following the 193 nm laser photolysis of CHBr3 and O-2 the secondary reactions generate CO(v). The infrared emission of CO(v-->v-1) is detected by TR FTIR. The excitation of H2O molecules is not observed. By the method of the spectral simulation and the differential technique, 8 rate constants for CO(v)/H2O system are obtained: (1.7+/-0.1), (3.4+/-0.2), (6.2+/-0.4), (8.0+/-1.0), (9.0+/-,2.0), (12+/- 3), (16+/-4) and (18+/-7) (10(-13)cm(3).molecule(-1).s(-1)). At least two reasons lead to the efficient energy transfer. One is the contributions of the rotational energy to the vibational energy defect and the other is the result of the complex collision. With the SSH and oh initio calculations, the quenching mechanism of CO(v) by H2O is suggested.
语种英语
WOS记录号WOS:000076897800008
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138117
专题中国科学院大连化学物理研究所
作者单位1.Shandong Univ, Dept Chem, Jinan 250100, Peoples R China
2.Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
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GB/T 7714
Wang, BS,Gu, YS,Li, Q,et al. The v-v energy transfer of highly vibrationally excited states (II) - Vibrational quenching of CO(v) by H2O[J]. CHINESE SCIENCE BULLETIN,1998,43(19):1621-1625.
APA Wang, BS,Gu, YS,Li, Q,&Kong, F.(1998).The v-v energy transfer of highly vibrationally excited states (II) - Vibrational quenching of CO(v) by H2O.CHINESE SCIENCE BULLETIN,43(19),1621-1625.
MLA Wang, BS,et al."The v-v energy transfer of highly vibrationally excited states (II) - Vibrational quenching of CO(v) by H2O".CHINESE SCIENCE BULLETIN 43.19(1998):1621-1625.
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