Ionic structure and interactions in 1-methyl-3-ethylimidazolium chloride-aluminum chloride molten salts

Autor:	John W. Rovang, Norman E. Heimer, John S. Wilkes, K. M. Dieter, Chester J. Dymek
Rok vydání:	1988
Předmět:	Hydrogen bond Chemistry Inorganic chemistry Ionic bonding General Chemistry Electrolyte Ring (chemistry) Mole fraction Biochemistry Chloride Catalysis Colloid and Surface Chemistry Polymer chemistry medicine Molecule Molten salt medicine.drug
Zdroj:	Journal of the American Chemical Society. 110:2722-2726
ISSN:	1520-5126 0002-7863
DOI:	10.1021/ja00217a004
Popis:	Room temperature chloroaluminate molten salts formed by mixing 1-methyl1-3 -ethylimidazolium chloride (ME1C1) with Aluminum Chloride are of interest as electrolytes and nonaqueous reaction media. Results of NMR studies of MEI(+) in melts of various composition (determined by the mole fraction, N, of A1C13 used in forming a melt) were originally explained by a stack model of the ionic structure. In this model, the anions are located between stacked parallel MEI(+) ring planes. An alternative model has been suggested in which C1(-) forms ion pairs with MEI(+) by a H-bonding interaction through the H on the C-2 in the ring. Our IR studies particularly on deuteriated MEI(+), now show that C1(-) interacts with the hydrogens at the C-2, C-4, and C-5 members of the MEI(+) ring. Reprints.
Databáze:	OpenAIRE
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