Solvent polarities and Kamlet-Taft parameters for ionic liquids containing a pyridinium cation

被引：130
|
作者：
Lee, Jong-Min [1 ,2 ]
Ruckes, Sebastian [1 ,3 ]
Prausnitz, John M. [1 ,2 ]
机构：
[1] Univ Calif Berkeley, Dept Chem Engn, Berkeley, CA 94720 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA
[3] Rhein Westfal TH Aachen, Aachen, Germany
来源：
JOURNAL OF PHYSICAL CHEMISTRY B | 2008年 / 112卷 / 05期
关键词：
D O I：
10.1021/jp076895k
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Five recently synthesized pyridinium ionic liquids [(1-butyl-4-methylpyridinium, 1-octylpyridinium, 1-octyl-2-methylpyridinium, 1-octyl-3-methylpyridinium, and 1-octyl-4-methylpyridinium, all with anion bis(trifluoromethylsulfonyl)imide], were investigated to establish the influence of substituting a methyl group and the influence of alkyl chain length on the cation on polarity E-T(N) and on three Kamlet-Taft parameters: dipolarity/polarizabilty (pi*), hydrogen-bond acidity (alpha), and hydrogen-bond basicity (beta). Experimental measurements cover the range 25 to 65 degrees C.
引用
收藏
页码：1473 / 1476
页数：4
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