a	activity [-],
Ao, A1, A2, B, C	coefficients in Equations (15) and (49)–(51), A1 and C in K, B in J*mol−1,
∆ $c_p,c_{p }$	difference between its solid and liquid heat capacities—and heat capacities, J*(mol*K)−1,
∆ G, GE	molar Gibbs free energy and excess Gibbs free energy, J*mol−1,
∆ H, HE	molar enthalpy and excess enthalpy, J*mol−1,
l12	extended regular solution model binary parameter in S-H Equation (43) [-],
n	number of moles,
N	amount of data,
P	pressure, Pa,
R	8.315 J*(mol*K)−1, absolute gas constant,
R2, r2 and ρ2	determinations coefficient of multiple, linear or without intercept [-],
∆ S, SE	molar entropy and excess entropy, J*(mol*K)−1,
T	absolute temperature, K,
V	volume, cm3 mol−1,
Vm	mixing volume, cm3 mol−1,
x	solute mol fraction [-],
$\beta$ $,{\beta }_o$	constant in Equation (34), K and in Equation (26), Jmol−1,
γ	activity coefficient [-],
λ	constant in Equation (16) [-],
δ	$\mathrm{solubility}\mathrm{parameter},\sqrt{{\mathrm{Jcm}}^{-3}}$,
Subscripts
1—solvent, 2—solute, c—compensation, h—harmonic mean, m—melting point, i-th component, j-th component, i ≠ j.
Superscripts
α, β—phase, o—pure component, sat—saturation, ∅—standard condition, -—average.