Solvation thermochemistry of aromatic hydrocarbons and their halogen derivatives in imidazolium-based ionic liquids

被引：4
作者：
Khachatrian, Artashes A. [1 ]
Batukaev, Timur S. [1 ]
Rakipov, Ilnaz T. [1 ]
Varfolomeev, Mikhail A. [1 ]
Solomonov, Boris N. [1 ]
机构：
[1] Kazan Fed Univ, Dept Phys Chem, Kremlevskaya 18, Kazan 420008, Russia
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 289卷
基金：
俄罗斯科学基金会;
关键词：
Ionic liquid; Solution calorimetry; Enthalpy of solution; Polarizability; ACTIVITY-COEFFICIENTS; INFINITE DILUTION; ORGANIC SOLUTES; SOLUTION CALORIMETRY; THERMODYNAMIC PROPERTIES; ENTHALPIES; WATER; STABILITY; ALDEHYDES; MIXTURES;
D O I：
10.1016/j.molliq.2019.111105
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：
In this work solution enthalpies of aromatic compounds and their halogen derivatives in 1-butyl-3-methylimidazolium tetrafluoroborate [BMIM][BF4], 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide [BMIM][NTf2], 1-butyl-3-methylimidazolium trifluoromethanesulfonate [BMIM][TfO] were measured by solution calorimetry method. The solvation enthalpies of aromatic compounds and their halogen derivatives in ionic liquids were calculated. Based on experimentally measured solvation enthalpies and calculated nonspecific solvation enthalpy the contribution of the solvophobic effect on the solvation enthalpy of dissolved molecules in ionic liquids was demonstrated to be negligible. The correlation between solvation enthalpies of the aromatic compounds and their halogen derivatives in ionic liquids and solute molecules polarizability parameter was found. Also, a comparison of relationships between solvation enthalpy and molar refractions in ionic liquids and molecular solvents was made. (C) 2019 Elsevier B.V. All rights reserved.
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页数：5
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