Journal of Structural Chemistry

, Volume 47, Issue 6, pp 1091–1097 | Cite as

Structural effects of solvation of unsaturated fatty acids C18:n in tetrachloromethane found in investigations of the volumetric properties of solutions

  • A. G. Ramazanova
  • V. V. Korolev
  • E. V. Ivanov


The limiting partial molar volumes of solutes and excess molar volumes of their mixtures with nonpolar solvents are calculated on the basis of precise (error ≤ 5·10−6 g·cm−3) densitometric measurements for dilute solutions of oleic, linoleic, and linolenic acids in tetrachloromethane at 298.15 K. It is found that self-association processes of the components of the mixtures play the key role in dissolution effects of fatty acids in CCl4. As the number of C=C double bonds in the acid molecule increases, acid desolvation becomes less pronounced and is accompanied by compression (reduction of volume) of the structural packing of the solvate complex formed due to the strengthening interaction of the acid with tetrachloromethane.


tetrachloromethane unsaturated fatty acids (oleic, linoleic, xxx linolenic) solvation volumetric characteristics 


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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • A. G. Ramazanova
    • 1
  • V. V. Korolev
    • 1
  • E. V. Ivanov
    • 1
  1. 1.Institute of Solution ChemistryRussian Academy of SciencesIvanovo

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