Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 179, Issue -, Pages 98-103Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2012.12.020
Keywords
Ionic liquids; Ethanolamines; Anion-cation interaction; Density functional theory
Funding
- Ministry of Science and Technological Development of the Republic of Serbia [172016]
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The series of ethanolamine derived ionic liquids (ILs) 1-9, was synthesized, characterized by IR and H-1 NMR spectroscopy and investigated by DFT study, to explore their properties in solvents with different dielectric constants. The investigation of the anion-cation and ion-solvent interactions of ILs in solvents with different polarity was performed. The obtained results showed that salvation has significant influence on anion-cation interaction. The binding energies of the anion-cation interaction obtained in different solvents showed that in polar solvents ILs exist as separated solvated ions, while in solvents with lower polarity as the contacted ion pair. Density functional studies showed that salvation energies decrease with the increase of solvent polarity. (C) 2012 Elsevier B.V. All rights reserved.
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