Vibrational study of anharmonicity, supramolecular structure, and hydrogen bonding in two octanol isomers

被引：9

作者：

Bauer, S. ^{[1
]}

Stern, J. ^{[2
]}

Boehm, F. ^{[3
]}

Gainaru, C. ^{[1
]}

Havenith, M. ^{[3
]}

Loerting, T. ^{[2
]}

Boehmer, R. ^{[1
]}

机构：

[1] Tech Univ Dortmund, Fak Phys, D-44227 Dortmund, Germany

[2] Univ Innsbruck, Inst Phys Chem, A-6020 Innsbruck, Austria

[3] Ruhr Univ Bochum, Fak Chem & Biochem, D-44780 Bochum, Germany

来源：

VIBRATIONAL SPECTROSCOPY | 2015年 / 79卷

关键词：

Infrared; Near-infrared; Anharmonicity; Hydrogen-bonding; Monohydroxy alcohols; Structural isomers; TERT-BUTYL ALCOHOL; MOLECULAR-DYNAMICS; ELECTRICAL ANHARMONICITY; DIELECTRIC-RELAXATION; SELF-ASSOCIATION; PURE LIQUID; SPECTROSCOPY; TEMPERATURE; METHANOL; BAND;

D O I：

10.1016/j.vibspec.2015.05.001

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Results from far-, mid-, and near-infrared spectroscopy are presented and combined with previous dielectric data on 2-ethyl-1-hexanol and 4-methyl-3-heptanol. This yields the electromagnetic absorption spectrum of the two monohydroxy alcohols, presented in terms of the imaginary part of the complex refractive index in a very wide frequency range. Low-frequency Raman measurements and far-infrared spectra hint at differences in the supramolecular structure of the two alcohols. By comparing the wavenumbers and amplitudes of the fundamental and the first overtone of the hydroxyl group's stretching vibration the temperature dependence of anharmonic effects and hydrogen bond cooperativity is studied. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：59 / 66

页数：8

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