Linear Free Energy Relationship Correlations for Enthalpies of Solvation of Organic Solutes into Room-Temperature Ionic Liquids Based on the Abraham Model with Ion-Specific Equation Coefficients
2009
Mathematical correlations have been developed for describing the enthalpy of solvation of organic solutes into room-temperature ionic liquids (RTILs) based on the Abraham general solvation model with ion-specific equation coefficients. The derived correlations contain six cation-specific and six anion-specific equation coefficients that were determined through regression analyses. The derived equations correlated the observed enthalpies of solvation data to within a standard deviation of about 1.7 kJ/mol. The nine sets of cation-specific and eight sets of anion-specific equation coefficients that have been calculated can be combined to yield equations capable of predicting the enthalpies of solvation of organic solutes and gases in 72 different RTILs.
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