Infrared absorption in the carbon-hydrogen stretching region for molecules in condensed phase

A. B. Remizov; A. A. Stolov; D. I. Kamalova

doi:10.1117/12.375321

14 January 2000 Infrared absorption in the carbon-hydrogen stretching region for molecules in condensed phase

A. B. Remizov, A. A. Stolov, D. I. Kamalova

Proceedings Volume 4061, IRQO '99: Quantum Optics; (2000) https://doi.org/10.1117/12.375321
Event: Eighth International Readings on Quantum Optics: IRQO '99, 1999, Kazan, Russian Federation

Abstract

IR absorption spectra of several small molecules in liquid phase and CCl₄ solutions have been investigated. Band profile analysis of the spectra in the 3300-2700 cm^-1 region was performed, using Cauchy-Gauss functions as individual components. For nonpolar molecules all the individual components can be unambiguously assigned to fundamental and combination vibrations, while for the polar molecules and additional, very broad component was observed. Basing on the molecular structure and taking into account the temperature and solvent effects on the spectra, the broader components were assigned to interactions of the C-H stretching vibrations with single particle and collective reorientations of molecular dipoles.

Citation Download Citation

A. B. Remizov, A. A. Stolov, and D. I. Kamalova "Infrared absorption in the carbon-hydrogen stretching region for molecules in condensed phase", Proc. SPIE 4061, IRQO '99: Quantum Optics, (14 January 2000); https://doi.org/10.1117/12.375321

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