Swain Acity and Basity

Orthogonal solvent "acity" (anion solvation) and "basity" (cation solvation) properties according to Swain et al..
C. G. Swain, M. S. Swain, A. L. Powell and S. Alunni; J. Am. Chem. Soc. 105 (1983) 502-513.

Acity is measure of hydrogen bond acidity and is correlated with →Dimroth-Reichardt ET (→ET vs Acity) and →Gutmann AN (→AN vs Acity).
Basity is somewhat correlated with →Catal├ín SPP (→SPP vs Basity)

NameAcityBasity
1,2-dichloroethane0.300.82
1,2-dimethoxyethane0.210.50
1,2-dimethylbenzene0.060.53
1,3-dimethylbenzene0.040.50
1,4-dimethylbenzene0.060.50
2,2,4,4-tetramethylpentane0.01-0.03
2,6-dimethylpyridine0.180.81
2-butanone0.230.74
2-methyl-2-propanol0.450.50
2-propanol0.590.44
2-propanone0.250.81
acetic acid0.930.13
acetonitrile0.370.86
acetophenone0.230.90
aniline0.361.19
benzene0.150.59
benzonitrile0.300.87
bromobenzene0.220.66
butanol0.610.43
butylamine0.151.17
carbon disulfide0.100.38
chlorobenzene0.200.65
cyclohexane0.020.06
cyclohexanone0.250.79
dibutyl ether0.060.28
dichloromethane0.330.80
diethyl ether0.120.34
dimethyl sulfoxide0.341.08
dioxane0.190.67
ethanediol0.780.84
ethanol0.660.45
ethyl acetate0.210.59
formamide0.660.99
formic acid1.180.51
heptane0.000.00
hexamethylphosphoramide0.001.07
hexane0.01-0.01
methanol0.750.50
methoxybenzene0.210.74
N,N-dimethylacetamide0.270.97
N,N-dimethylformamide0.300.93
N-methylaniline0.401.07
nitrobenzene0.290.86
nitromethane0.390.92
propanol0.630.44
pyridine0.240.96
tetrachloroethene0.100.25
tetrachloromethane0.090.34
tetrahydrofuran0.170.67
toluene0.130.54
trichloroethene0.160.54
trichloromethane0.420.73
triethylamine0.080.19
trifluoroacetic acid1.720.00
water1.001.00