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Are π – π Interactions in Ionic Liquids Related to Conductivities?
Author(s) -
Fei Zhaofu,
Huang Zhangjun,
Tirani Farzaneh Fadaei,
Scopelliti Rosario,
Dyson Paul J.
Publication year - 2018
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.201800137
Subject(s) - ionic liquid , chemistry , imide , halide , alkene , electrolyte , conductivity , ion , ionic conductivity , inorganic chemistry , ionic bonding , polymer chemistry , medicinal chemistry , organic chemistry , catalysis , electrode
A series of functionalised imidazolium halide salts with substituents able to form π ‐bonds have been prepared and characterised. Subsequent reaction of these imidazolium halides with Ag[C(CN) 3 ] affords imidazolium‐based ionic liquids (ILs), some of which are characterised by extensive π – π interactions between the cation and [C(CN) 3 ] anion. The conductivities of the room temperature ILs with the [C(CN) 3 ] anion were determined and the IL with an alkene functionality exhibits the highest conductivity, exceeding that of 1‐ethyl‐3‐methylimidazolium bis(trifluoromethylsulfonyl)imide, a commonly used IL electrolyte. No clear correlations between the extent of π – π interactions and the conductivities were observed.
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