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Ion-Pair Dissociation Dynamics of HCl: Fast Predissociation
Song, Di1; Liu, Kai1; Kong, Fan-ao1; Li, Juan2,3; Mo, Yuxiang2,3
刊名JOURNAL OF PHYSICAL CHEMISTRY A
2009-04-30
DOI10.1021/jp900383z
113期:17页:4919-4922
收录类别SCI
文章类型Article
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]MOLECULAR PHOTODISSOCIATION ; PHOTOELECTRON-SPECTROSCOPY ; HYDROGEN-CHLORIDE ; DCL ; PHOTOIONIZATION ; AUTOIONIZATION ; SPECTRA ; STATES ; CL-2
英文摘要We have Studied the ion-pair dissociation dynamics of HCl -> Cl(-) ((1)S(0)) + H(+) in the 14.41-14.60 eV using tunable XUV laser and the velocity map imaging method. The measured ion-pair yield spectrum has P- and R-branch resolved vibrational structure, which indicates a predissociation mechanism for the ion-pair dissociation. All of-the anisotropy parameters for the angular distribution of the fragments have the limiting values of beta = 2, which suggests that the predissociation occurs via (1)Sigma(+) Rydber-states. and is fast in comparison with the rotational period of HCl. TO understand the predissociation dynamics, the diabatic potential energy Curve of the ion-pair state has been calculated at the MRCI/CAS/vtz level. The experimental and theoretical results obtained in this work have provided a solid foundation for the previously proposed mechanism that the ion-pair dissociation occurs via predissociation of Rydberg states converging to HCl(+) (A(2)Sigma(+)).
语种英语
WOS记录号WOS:000265529800014
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141555
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Inst Chem, State Key Lab Mol React Dynam, Beijing 100190, Peoples R China
2.Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
3.Tsinghua Univ, Key Lab Atom & Mol Nanosci, Beijing 100084, Peoples R China
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Song, Di,Liu, Kai,Kong, Fan-ao,et al. Ion-Pair Dissociation Dynamics of HCl: Fast Predissociation[J]. JOURNAL OF PHYSICAL CHEMISTRY A,2009,113(17):4919-4922.
APA Song, Di,Liu, Kai,Kong, Fan-ao,Li, Juan,&Mo, Yuxiang.(2009).Ion-Pair Dissociation Dynamics of HCl: Fast Predissociation.JOURNAL OF PHYSICAL CHEMISTRY A,113(17),4919-4922.
MLA Song, Di,et al."Ion-Pair Dissociation Dynamics of HCl: Fast Predissociation".JOURNAL OF PHYSICAL CHEMISTRY A 113.17(2009):4919-4922.
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