Volume 206, 2018

ILs through the looking glass: electrostatics and structure probed using charge-inverted ionic liquid pairs

Abstract

Ionic liquids combining potassium cations with 1-alkyl-3-methylcyclopentadienyl anions, K[CnC1Cp] (n = 4, 6) have been synthesized. Differential scanning calorimetry measurements have shown that K[C4C1Cp] and K[C6C1Cp] melt without decomposition at around 90 °C. These two ionic liquids are the charge-inverted counterparts of [C4C1Im]Cl and [C6C1Im]Cl, two common ionic liquids. The concept of charge-inverted ionic pairs is used to explore the nature of the interactions and structure in different ionic compounds, from simple alkali halide salts to ionic liquids based on complex molecular ions. Different sets of experimental data, empirical correlations and molecular dynamics simulations are used to that effect.

Graphical abstract: ILs through the looking glass: electrostatics and structure probed using charge-inverted ionic liquid pairs

Associated articles

Supplementary files

Article information

Article type
Paper
Submitted
21 Apr 2017
Accepted
17 May 2017
First published
17 May 2017

Faraday Discuss., 2018,206, 203-218

ILs through the looking glass: electrostatics and structure probed using charge-inverted ionic liquid pairs

T. F. C. Cruz, K. Shimizu, J. M. S. S. Esperança, L. P. N. Rebelo, P. T. Gomes and J. N. Canongia Lopes, Faraday Discuss., 2018, 206, 203 DOI: 10.1039/C7FD00139H

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