Shelley, V.M. and Talintyre, A. and Yarwood, J. and Buchner, Richard (1988) Spectroscopic studies of solute-solute and solute-solvent interactions in solutions containing N,N-dimethylformamide. Faraday Discussions of the Chemical Society 85, pp. 211-224.
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IR, far-IR and Raman spectra of DMF are reported for the liq. and over the whole concn. range in CCl4 soln. The data reflect important differences between the long-ranged and short-ranged behavior of the solute-solute and solute-solvent intermol. potentials. In particular, the far-IR spectrum is dominated by short-ranged interactions which vary only marginally with concn. and which are probably controlled by geometrical factors. On the other hand, the Raman and IR band shapes are drastically affected by at least 2 types of dephasing process, including resonance energy transfer and the effects of concn. fluctuations, both probably mediated through strong longer ranged dipolar interactions. Mol. tumbling motion is severely hindered in the liq. and gets faster on diln., presumably owing to the removal of intermol. correlations.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > PD Dr. Richard Buchner|
|Keywords:||DMF solute solute solvent interaction spectroscopy solute solute solvent interaction|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||15 Jun 2012 08:49|
|Last Modified:||15 Jun 2012 08:49|