Figure 1: Dependence of the values of α _Н,i,j on the efficiency of H-bond formation _H,i,j(ΔH) for H-complexes of alcohols: a - methanol; b - 2,2,3,3-tetrafluoro propan-l-ol: c - 2,2,2-trifluoro ethanol. Proton acceptor molecules: 1-acetaldehyde, 2-acetone, 3-methyl acetate, 4 - diethyl ether, 5 - tetrahydrofuran, 6 - p-dioxane, 7 - t-butanol, 8 - methanol, 9 - acetonitrile, 10 - pyridine.

Figure 2: Dependence of α _Н,i,j values on the efficiency of H-bond formation β_H,i,j(ΔH) for H-complexes of azoles: a - pyrrole; b - carbazole: c – imidazole; d - benzimidazole; e - benztriazole: f - isatin. Proton acceptor molecules: 1- acetone, 2 - DMFA, 3 - DMSO.