Empirical Polarity Parameters for Hexaalkylguanidinium-based Room-temperature Ionic Liquids

被引：18
作者：
Bogdanov, Milen G. [2 ,3 ]
Svinyarov, Ivan [2 ]
Kunkel, Helene [1 ]
Steinle, Christine [1 ]
Arkhipova, Maria [1 ]
Kantlehner, Willi [3 ]
Maas, Gerhard [1 ]
机构：
[1] Univ Ulm, Inst Organ Chem 1, D-89081 Ulm, Germany
[2] Univ Sofia, Fac Chem, Sofia 1164, Bulgaria
[3] Hsch Aalen, Fak Chem Organ Chem, D-73430 Aalen, Germany
来源：
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2010年 / 65卷 / 07期
关键词：
Ionic Liquids; Polarity; Hexaalkylguanidinium Salts; Reichardt's Dye; 5-Dimethylamino-5 '-nitro-2,2 '-bithiophene; SENSITIZED SOLAR-CELLS; PHYSICAL-PROPERTIES; SOLVENT PROPERTIES; QUATERNARY AMMONIUM; SOLVATOCHROMIC DYES; SIMPLE PREDICTION; PI-STAR; SALTS; IMIDAZOLIUM; SCALE;
D O I：
10.1515/znb-2010-0704
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The polarity of a series of 36 hexaalkylguanidinium-based room-temperature ionic liquids (RTILs), featuring different unbranched alkyl substituents in the cation and eight different anions, has been determined by means of Reichardt's solvatochromic betaine dye; E-T(30) and the corresponding normalized E-T(N) values are presented. The positively solvatochromic probe 5-dimethylamino-5'-nitro-2,2'-bithiophene was used to characterize unspecific solvent/solute interactions (effects of dipolarity/polarizability) of ten hexaalkylguanidinium and, for comparison, two 1-alkyl-3-methylimidazolium ionic liquids.
引用
收藏
页码：791 / 797
页数：7
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