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Proceedings Paper

Factor analysis in IR spectroscopic studies of hydrogen bondings and conformations
Author(s): A. B. Remizov; R. A. Skochilov
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Paper Abstract

Within the frames of the factor analysis a new approach to extract spectra of components from spectra of solutions was developed. This allows one to determine concentrations of components without using a priori information. By this method, the JR spectra of tert-butyl hydroperoxide (TBH) in various solvents were investigated. In these solutions there are gauche and trans conformations ofmonomers ofTBH and self-associations ofTBH (dimers and trimers) are analyzed. The spectra of components and their concentrations are determined. Equilibrium constants of dimerization and trimerization and thermodynamic parameters of complexes are found. The factor analysis has been used in the spectroscopic study of trans and gauche conformations of 1,2-di-(p-nitrophenyl)ethane in acetone. The enthalpy and entropy differences of the trans and gauche conformations have been determined.

Paper Details

Date Published: 20 July 2004
PDF: 8 pages
Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); doi: 10.1117/12.569815
Show Author Affiliations
A. B. Remizov, Kazan State Technological Univ. (Russia)
R. A. Skochilov, Kazan State Univ. (Russia)

Published in SPIE Proceedings Vol. 5507:
XVI International Conference on Spectroscopy of Molecules and Crystals
Galyna O. Puchkovska; Tatiana A. Gavrilko; Olexandr I. Lizengevich, Editor(s)

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