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Determination of the two methyl group orientations at vapor/acetone interface with polarization null angle method in SFG vibrational spectroscopy
Chen, H; Gan, W; Wu, BH; Wu, D; Zhang, Z; Wang, HF
刊名CHEMICAL PHYSICS LETTERS
2005-06-17
DOI10.1016/j.cplett.2005.04.033
408期:4-6页:284-289
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]SUM-FREQUENCY GENERATION ; AIR-WATER-INTERFACE ; SURFACE-ADSORPTION LAYERS ; LIQUID-VAPOR INTERFACE ; 2ND-HARMONIC GENERATION ; MOLECULAR-ORIENTATION ; AIR/WATER INTERFACE ; METHANOL ; SPECTRA ; ACETONE
英文摘要We report a direct measurement of the orientation of the two CH3 groups of acetone molecule at the vapor/acetone interface. The interfacial acetone molecule is found well-ordered, with one methyl group points away around 14.4 degrees +/- 1.9 degrees and another into the bulk liquid around 102.8 degrees +/- 1.9 degrees from the interface normal, and thus the C = O group points into the bulk around 135.8 degrees +/- 1.9 degrees. These results directly confirmed the highly ordered and even crystal like interfacial structure of the vapor/acetone interface from previous MD simulation. The general formulation and accurate determination of the orientational parameter D can be used to treat interfaces with complex molecular orientations. (c) 2005 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000229824700020
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被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139637
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 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China
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GB/T 7714
Chen, H,Gan, W,Wu, BH,et al. Determination of the two methyl group orientations at vapor/acetone interface with polarization null angle method in SFG vibrational spectroscopy[J]. CHEMICAL PHYSICS LETTERS,2005,408(4-6):284-289.
APA Chen, H,Gan, W,Wu, BH,Wu, D,Zhang, Z,&Wang, HF.(2005).Determination of the two methyl group orientations at vapor/acetone interface with polarization null angle method in SFG vibrational spectroscopy.CHEMICAL PHYSICS LETTERS,408(4-6),284-289.
MLA Chen, H,et al."Determination of the two methyl group orientations at vapor/acetone interface with polarization null angle method in SFG vibrational spectroscopy".CHEMICAL PHYSICS LETTERS 408.4-6(2005):284-289.
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