Sorbate γ –ΔH, kJ/mol –ΔS, J/(mol·K) HE, kJ/mol SE, J/(mol·K) GE, kJ/mol

T=443 K

2,6-lutidin 2.29 13.1 36.4 19.0 35.9 3.0
2,5-lutidin 1.50 16.3 40.2 18.7 38.8 1.5
2,4-lutidin 1.54 16.6 41.0 17.4 35.6 1.6
2,3-lutidin 1.47 15.7 38.8 20.1 42.1 1.4
3,5-lutidin 1.24 15.7 37.4 21.5 46.6 0.8
3,4-lutidin 1.14 17.6 40.7 13.5 29.4 0.5
2-picoline 1.41 12.7 31.7 17.4 36.3 1.3
3-picoline 1.16 14.6 34.2 17.6 38.4 0.6
4-picoline 1.05 14.9 34.2 17.4 38.8 0.2
Table 6: Thermodynamic parameters of dissolution of substituted pyridines in the nematic phase of mesogen Ia at infinite dilution.