Table 5.

Stability constants of Mⁿ⁺/Eph⁻ at infinite dilution and corresponding parameters for their dependence on ionic strength in NaCl_aq using the extended Debye–Hückel (EDH) and specific ion interaction theory (SIT) models at T = 298.15 K.

	CH3Hg+
	log β1101, 3	log β1111, 3	log β11-11, 3	log βMLCl2, 3
$\mathbf{l}\mathbf{o}\mathbf{g}\mathbf{ }{\mathit{\beta }}_{\mathit{p}\mathit{q}\mathit{r}}^{\mathbf{0}}$	8.98 ± 0.07	17.73 ± 0.05	−0.62 ± 0.05	9.47 ± 0.08
C4	−0.49 ± 0.11	−0.32 ± 0.07	−0.86 ± 0.08	−0.71 ± 0.12
Δ ε5	−0.48 ± 0.08	−0.34 ± 0.04	−0.85 ± 0.06	−0.71 ± 0.10
	UO22+
	log β1101, 3	log β11-11, 3	log β2201, 3	log β22-21, 3
$\mathbf{l}\mathbf{o}\mathbf{g}\mathbf{ }{\mathit{\beta }}_{\mathit{p}\mathit{q}\mathit{r}}^{\mathbf{0}}$	12.86 ± 0.03	7.24 ± 0.01	28.16 ± 0.06	17.40 ± 0.03
C4	−0.09 ± 0.03	0.02 ± 0.03	−0.02 ± 0.08	0.33 ± 0.03
Δ ε5	−0.09 ± 0.02	0.03 ± 0.04	−0.04 ± 0.04	0.32 ± 0.02
	(CH3)2Sn2+ 6
	log β1101, 3	log β1111, 3	log β11-11, 3
$\mathbf{l}\mathbf{o}\mathbf{g}\mathbf{ }{\mathit{\beta }}_{\mathit{p}\mathit{q}\mathit{r}}^{\mathbf{0}}$	16.37 ± 0.04	20.81 ± 0.06	8.50 ± 0.04
C4	−1.79 ± 0.08	−1.95 ± 0.08	−1.30 ± 0.06
Δ ε5	−1.75 ± 0.08	−1.91 ± 0.10	−1.26 ± 0.06

¹ log β_pqr refers to equilibrium: p M^m+ + q L^z− + r H⁺ = M_pL_qH_r^(mp-zq+r); ² log β_MLCl refers to equilibrium: M⁺ + L⁻ + Cl⁻ = MLCl⁻; ³ ±95% confidence interval; ⁴ EDH equation (Equation (4)) in mol dm⁻³; ⁵ SIT equations (Equations (4) and (7)) in mol kg⁻¹; ⁶ at T = 310.15 K.