Condensed phase behaviour of ionic liquid-benzene mixtures: Congruent melting of a [emim][NTf2]·C6H6 inclusion crystal

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Abstract

The solid-liquid phase diagram of the (1-ethyl-3-methylimidazolium bis{(trifluoromethyl) sulfonyl} amide + benzene) system was determined and allowed us to identify and characterize an equimolar inclusion compound, [emim][NTf2]·C6H6, with a congruent melting temperature: this type of behaviour, reported here for the first time, together with the X-ray structure of the inclusion compound lays emphasis upon the interactions that are responsible for the existence of liquid clathrates at higher benzene concentrations.

Original languageEnglish
Pages (from-to)2445-2447
Number of pages3
JournalChemical Communications
Issue number23
DOIs
Publication statusPublished - 19 Jun 2006

Keywords

  • Ionic liquids
  • Liquids
  • Protic ionic

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