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题名: Vibrationally resolved photoelectron imaging of gold hydride cluster anions: AuH- and Au2H-
作者: Wu, Xia1;  Qin, Zhengbo1;  Xie, Hua1;  Cong, Ran1;  Wu, Xiaohu1;  Tang, Zichao1;  Fan, Hongjun1
刊名: JOURNAL OF CHEMICAL PHYSICS
发表日期: 2010-07-28
DOI: 10.1063/1.3456373
卷: 133, 期:4
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: Photoelectron spectra and angular distributions in photodetachment of gold hydride anions AuH- and Au2H- have been obtained using photoelectron velocity-map imaging. Both the images exhibit vibrationally resolved ground state transitions. The adiabatic electron affinities of AuH and Au2H are measured to be 0.758(20) and 3.437(3) eV, respectively. Franck-Condon analyses of the AuH spectra determined that the equilibrium bond length of the ground state of AuH- is 1.597(6) angstrom. The photoelectron images of Au2H- show a vibrational progression of 148(4) cm(-1) assigned to the Au-Au stretching mode at the ground state. Ab initio calculation results are in excellent agreement with the experimental results. For the ground state of Au2H, a new bent Au-Au-H structure with the angle of 131 degrees is suggested. Moreover, energy-dependent photoelectron anisotropy parameters are also reported and discussed. (C) 2010 American Institute of Physics. [doi:10.1063/1.3456373]
关键词[WOS]: INFRARED-SPECTRA ;  EXCITED-STATES ;  BASIS-SETS ;  SPECTROSCOPY ;  AGH ;  CUH ;  GROUP-11 ;  HYDROGEN ;  ATOMS ;  IONS
语种: 英语
WOS记录号: WOS:000280854600022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141696
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Wu, Xia,Qin, Zhengbo,Xie, Hua,et al. Vibrationally resolved photoelectron imaging of gold hydride cluster anions: AuH- and Au2H-[J]. JOURNAL OF CHEMICAL PHYSICS,2010,133(4).
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