Table 3.

Correlation coefficient (R²) in linear dependencies of atomic solvation parameters (σ_i) on solvent polarity descroptors: hydrogen bonding acidity (a) and basicity (β) parameters, logarithm of water concentration in wet solvents (logC_w,), solvatochromic parameter (π*), function of refraction index n: (F(n)= (n²−1)/(n²+1)); and dielectric functions: 1/ε (ΔF₁(ε)), Kirkwood function (ΔF₂(ε)), Block-Walker function (ΔF_BW(ε))

Parameter	α	β	α + β	logCw	π*	F(n)	ΔF1(ε)	ΔF2(ε)	ΔFBW(ε)
σCsp3	0.55	0.44	0.73	0.71	0	0.21	0.39	0.39	0.40
σCsp2	0.13	0.12	0.18	0.04	0.47	0.37	0	0	0
σN/NH	0.85	0.29	0.85	0.88	0.36	0.20	0.70	0.77	0.91
σOH	0.44	0.86	0.85	0.71	0.05	0.16	0.37	0.38	0.42
σO	0.36	0.75	0.72	0.78	0.17	0.10	0.58	0.56	0.47