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Vibrationally resolved photoelectron imaging of gold hydride cluster anions: AuH- and Au2H-
Wu, Xia; Qin, Zhengbo; Xie, Hua; Cong, Ran; Wu, Xiaohu; Tang, Zichao; Fan, Hongjun
刊名JOURNAL OF CHEMICAL PHYSICS
2010-07-28
DOI10.1063/1.3456373
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
关键词[WOS]INFRARED-SPECTRA ; EXCITED-STATES ; BASIS-SETS ; SPECTROSCOPY ; AGH ; CUH ; GROUP-11 ; HYDROGEN ; ATOMS ; IONS
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]
语种英语
WOS记录号WOS:000280854600022
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141696
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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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).
APA Wu, Xia.,Qin, Zhengbo.,Xie, Hua.,Cong, Ran.,Wu, Xiaohu.,...&Fan, Hongjun.(2010).Vibrationally resolved photoelectron imaging of gold hydride cluster anions: AuH- and Au2H-.JOURNAL OF CHEMICAL PHYSICS,133(4).
MLA Wu, Xia,et al."Vibrationally resolved photoelectron imaging of gold hydride cluster anions: AuH- and Au2H-".JOURNAL OF CHEMICAL PHYSICS 133.4(2010).
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