Issue 2, 2004
From the journal:

Physical Chemistry Chemical Physics

Raman spectroscopy of cryosolutions: the van der Waals complex of dimethyl ether with fluoroform

Tom Van den Kerkhof,a   August Bouwen,b   Etienne Goovaerts,b   Wouter A. Herrebouta  and  Benjamin J. van der Veken*a  

* Corresponding authors

a Department of Chemistry, University of Antwerp (RUCA), Groenenborgerlaan 171, Antwerp, Belgium
E-mail: Benjamin.vanderveken@ua.ac.be

b Department of Physics, University of Antwerp, Universiteitsplein 1, Wilrijk, Belgium

Abstract

Raman spectra in the 3200–350 cm−1 range were obtained for solutions in liquid krypton, at 131 K, containing dimethyl ether, fluoroform and mixtures of them. In the spectra of the mixed solutions bands were detected that must be assigned to the 1∶1 complex between the ether and fluoroform. The fluoroform C–H stretching in the complex is detected at 18.7 cm−1 above its value in monomer fluoroform, confirming the blue shifting hydrogen bonding in the complex. Analysis shows that the Raman intensity of this mode is not significantly affected by complexation. The advantage of the complementarity of the IR and Raman spectra of cryosolutions is demonstrated by the detailed analysis of the methyl deformation modes of the ether.

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Article information

DOI
https://doi.org/10.1039/B313354K
Article type
Paper
Submitted
22 Oct 2003
Accepted
12 Nov 2003
First published
10 Dec 2003

Phys. Chem. Chem. Phys., 2004,6, 358-362

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Raman spectroscopy of cryosolutions: the van der Waals complex of dimethyl ether with fluoroform

T. Van den Kerkhof, A. Bouwen, E. Goovaerts, W. A. Herrebout and B. J. van der Veken, Phys. Chem. Chem. Phys., 2004, 6, 358 DOI: 10.1039/B313354K

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