DICP OpenIR
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
KeywordTime-resolved Ir Spectra Highly Vibrationally Excited States Vibrational Energy Transfer
Source PublicationCHINESE SCIENCE BULLETIN
1998-10-01
Volume43Issue:19Pages:1621-1625
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology
WOS SubjectMultidisciplinary Sciences
WOS Research AreaScience & Technology - Other Topics
WOS KeywordRELAXATION ; MOLECULES ; COMPLEX
AbstractThe 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.
Language英语
WOS IDWOS:000076897800008
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/138117
Collection中国科学院大连化学物理研究所
Affiliation1.Shandong Univ, Dept Chem, Jinan 250100, Peoples R China
2.Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China
Recommended Citation
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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