Table 4.

ΔH, ΔG, and TΔS values for Eph⁻ protonation and its complexes with UO₂²⁺ in NaCl_aq at I = 0.5 mol dm⁻³ and T = 298.15 K.

Species 1	ΔH 2	ΔG 2	TΔS2
LH	−39 ± 1	−57.69 ± 0.05	19 ± 3
LH2	−67 ± 1	−107.39 ± 0.05	40 ± 3
ML	−26 ± 4	−69.16 ± 0.02	43 ± 10
M2L2(OH)2	39 ± 2	−92.21 ± 0.02	131 ± 6

¹ log β_pqr refers to equilibrium: p M^m+ + q L^z− + r H⁺ = M_pL_qH_r^(mp-zq+r); ² in kJ mol⁻¹; ±95% confidence interval.