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题名: Identification of CH3OH2+ and H3O+-centered cluster isomers from fragment-dependent vibrational predissociation spectra of H+(CH3OH)(4)H2O
作者: Chaudhuri, C;  Jiang, JC;  Wang, X;  Lee, YT;  Chang, HC
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2000-05-01
卷: 112, 期:17, 页:7279-7282
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Physics
英文摘要: Cluster isomers of H+(CH3OH)(4)H2O have been identified by vibrational predissociation spectroscopy in combination with mass-selected detection of photofragments. Ab initio calculations indicate that the cluster ion can exist in either CH3OH2+(CH3OH)(3)H2O or H3O+(CH3OH)(4) isomeric forms. They can dissociate via a methanol loss or water loss channel, depending on the structure of the isomers. While water loss is the dominant channel of the dissociation, the methanol loss channel is readily accessible by the H3O+-centered cluster isomer. We demonstrate in this study that mass-selected detection of photofragments produced by vibrational excitation is an effective way of identifying cluster isomers in the gas phase. (C) 2000 American Institute of Physics. [S0021-9606(00)01917-6].
关键词[WOS]: WATER CLUSTERS ;  MIXED CLUSTERS ;  AB-INITIO ;  METHANOL ;  DISSOCIATION ;  SOLVATION ;  (H2O)(N) ;  RINGS
语种: 英语
WOS记录号: WOS:000086523800001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138674
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Acad Sinica, Inst Atom & Mol Sci, Taipei 106, Taiwan
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan

Recommended Citation:
Chaudhuri, C,Jiang, JC,Wang, X,et al. Identification of CH3OH2+ and H3O+-centered cluster isomers from fragment-dependent vibrational predissociation spectra of H+(CH3OH)(4)H2O[J]. JOURNAL OF CHEMICAL PHYSICS,2000,112(17):7279-7282.
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