Principal Components Analysis of Infrared Spectra of Liquid Acetylacetone

被引：0
|
作者：
Czarnik-Matusewicz, B. [1 ]
Matusiak-Kucharska, M. [1 ]
Hawranek, J. P. [1 ]
机构：
[1] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland
来源：
POLISH JOURNAL OF CHEMISTRY | 2009年 / 83卷 / 05期
关键词：
thin film infrared spectra; acetylacetone; hydrogen bonding; Principal Components Analysis; INTRAMOLECULAR HYDROGEN-BOND; VIBRATIONAL ASSIGNMENT; CRYSTAL-STRUCTURE; ENOL FORMS; KETO; DYNAMICS; SPECTROSCOPY; EQUILIBRIUM; RESONANCE; UV;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The spectrum of the absorption index in the Mid-Infrared (MIR) region was determined for intramolecularly hydrogen-bonded liquid acetylacetone from transmission studies. In the MIR region very thin layers with thicknesses of a few micrometers had to be used to obtain reliable data. The keto-enol tautomeric equilibrium in the pure liquid was studied by Principal Components Analysis (PCA) of a set of temperature dependent MIR spectra in the range from 25 to 75 degrees C. Identifications for numerous bands observed in the liquid phase were proposed basing on the results obtained by means of the separation obtained in the loadings plot.
引用
收藏
页码：999 / 1011
页数：13
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