Conductometric Studies of Thermodynamics of 1,10-Didecyl-1,10-diaza-18-crown-6 Complexes with Li⁺, Na⁺, K⁺, Cs⁺, NH₄⁺, Mg²⁺, and Ca²⁺ Ions in Acetonitrile, Methanol, and Ethanol Solutions

Figure 4

Plot of 𝑇Δ𝑆^∘ (kJ mol⁻¹) versus Δ𝐻^∘ (kJ mol⁻¹) for 1 : 1 complexation of Li⁺, Na⁺, K⁺, Cs⁺, Mg²⁺, Ca²⁺, and NH₄⁺ ions in AN, MeOH, and EtOH solvents (𝑅=0.9514).