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Formation and dissociation of protonated pyridine-methanol cluster ions at 355 and 266 nm
Hu, YJ; Wang, XY; Lu, RC
刊名CHEMICAL PHYSICS LETTERS
2000-10-06
328期:4-6页:337-345
收录类别SCI
文章类型Article
部门归属11
项目归属1102
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]HYDROGEN-BONDED CLUSTERS ; MULTIPHOTON IONIZATION ; AB-INITIO ; ELECTRONIC-SPECTRA ; GAS-PHASE ; COMPLEXES ; WATER ; AMMONIA ; IR
英文摘要The multi-photon ionization process of the hydrogen-bond cluster of pyridine-methanol has been investigated using a conventional and reflectron time-of-flight mass spectrometer (RTOF-MS) at 355 and 266 nm laser wavelengths, respectively. The sequences of the protonated cluster ions (CH3OH)(n)H+ and (C5H5Nn)(CH3OH)(m)H+ (n = 1,2) were observed at both laser wavelengths, while the sequence of the cluster ions (CH3)OHn (H2O)H+ was observed only at 355 nm laser wavelength. The difference between the relative signal intensities of the protonated methanol cluster ions at different laser wavelengths is attributed to different photoionization mechanisms. Some nascent cluster ions in metastable states dissociated during free flight to the detector. The dissociation kinetics is also discussed. (C) 2000 Elsevier Science B.V.
语种英语
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WOS记录号WOS:000089836500004
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/85417
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
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Hu, YJ,Wang, XY,Lu, RC. Formation and dissociation of protonated pyridine-methanol cluster ions at 355 and 266 nm[J]. CHEMICAL PHYSICS LETTERS,2000,328(4-6):337-345.
APA Hu, YJ,Wang, XY,&Lu, RC.(2000).Formation and dissociation of protonated pyridine-methanol cluster ions at 355 and 266 nm.CHEMICAL PHYSICS LETTERS,328(4-6),337-345.
MLA Hu, YJ,et al."Formation and dissociation of protonated pyridine-methanol cluster ions at 355 and 266 nm".CHEMICAL PHYSICS LETTERS 328.4-6(2000):337-345.
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