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题名: Identification of overlapping features in the sum frequency generation vibrational spectra of air/ethanol interface
作者: Gan, W;  Zhang, Z;  Feng, RR;  Wang, HF
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 2006-06-01
DOI: 10.1016/j.cplett.2006.03.084
卷: 423, 期:4-6, 页:261-265
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
英文摘要: The stretching vibrations of the -CH3 and -CH2- groups not only overlap but also interfere with each other in the Sum-Frequency Generation (SFG) vibrational spectra of the air/ethanol interface. Using deuterated ethanol samples, i.e., CH3CD2OH and CD3CH2OH, the C-H stretching vibrational modes are clearly assigned for the SFG vibrational spectra of their air/liquid interfaces according to the polarization selection rules. It is found that the CH3-ss and CH2-ss modes overlap in the similar to 2875 cm(-1) peak, the CH3-as and CH2-ss-Fermi modes overlap in the similar to 2970 cm(-1) peak, and the similar to 2930 cm(-1) peak belongs to the CH3-ss-Fermi mode, respectively. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: H STRETCHING VIBRATIONS ;  LIQUID-VAPOR INTERFACE ;  POLYMETHYLENE CHAIN ;  RAMAN-SPECTROSCOPY ;  WATER-MOLECULES ;  ETHANOL ;  REGION ;  ORIENTATION ;  METHYLENE ;  MIXTURES
语种: 英语
WOS记录号: WOS:000238183600001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140309
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, Inst Chem, State Key Lab Mol React Dynam, Beijing 100080, Peoples R China

Recommended Citation:
Gan, W,Zhang, Z,Feng, RR,et al. Identification of overlapping features in the sum frequency generation vibrational spectra of air/ethanol interface[J]. CHEMICAL PHYSICS LETTERS,2006,423(4-6):261-265.
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