Why are ionic liquids liquid? A simple explanation based on lattice and solvation energies.

@article{Krossing2006WhyAI,
  title={Why are ionic liquids liquid? A simple explanation based on lattice and solvation energies.},
  author={Ingo Krossing and John M Slattery and Corinne Daguenet and Paul J Dyson and Alla Oleinikova and Hermann Weing{\"a}rtner},
  journal={Journal of the American Chemical Society},
  year={2006},
  volume={128 41},
  pages={13427-34}
}
We have developed a simple and quantitative explanation for the relatively low melting temperatures of ionic liquids (ILs). The basic concept was to assess the Gibbs free energy of fusion (Delta(fus)G) for the process IL(s) --> IL(l), which relates to the melting point of the IL. This was done using a suitable Born-Fajans-Haber cycle that was closed by the lattice (i.e., IL(s) --> IL(g)) Gibbs energy and the solvation (i.e., IL(g) --> IL(l)) Gibbs energies of the constituent ions in the molten… CONTINUE READING

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