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题名: Deep UV resonance Raman spectroscopic study of CnF2n+2 molecules: the excitation of C-C sigma bond
作者: Jin, Shaoqing1, 2;  Guo, Meiling1, 2;  Fan, Fengtao1;  Yang, Jingxiu1, 2;  Zhang, Ying1;  Huang, Baokun1;  Feng, Zhaochi1;  Li, Can1
关键词: C-C s bond ;  s-s* transition ;  deep UV resonance Raman ;  excited state ;  CnF2n+2 molecules
刊名: JOURNAL OF RAMAN SPECTROSCOPY
发表日期: 2013-02-01
DOI: 10.1002/jrs.4188
卷: 44, 期:2, 页:266-269
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Spectroscopy
研究领域[WOS]: Spectroscopy
英文摘要: The sigma-sigma* transition of CC bond in CnF2n+2 molecules was studied by deep UV resonance Raman spectroscopy. With the CC s bond selectively excited by the deep UV laser at 177.3 nm, the resonance Raman spectra of CnF2n+2 molecules were obtained on our home-assembled deep UV Raman spectrograph. The Raman bands at 1299, 1380 and 2586 cm-1 due to the CC skeletal stretching modes are evidently enhanced owing to the resonance Raman effect. Based on the resonance Raman spectra and theoretical calculation results, it is proposed that the electronic geometry of CnF2n+2 molecules at the ss* excited state is displaced along the directions perpendicular and parallel to the CC skeleton, and the excited CC bond is not dissociative due to the delocalization of the excited electron in sigma* orbital. Copyright (C) 2012 John Wiley & Sons, Ltd.
关键词[WOS]: STATES
语种: 英语
WOS记录号: WOS:000313993300016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137811
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 Catalysis, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Jin, Shaoqing,Guo, Meiling,Fan, Fengtao,et al. Deep UV resonance Raman spectroscopic study of CnF2n+2 molecules: the excitation of C-C sigma bond[J]. JOURNAL OF RAMAN SPECTROSCOPY,2013,44(2):266-269.
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