Thermodynamic parameters.

Metal	ΔH° (kJ mol−1)	ΔS° (J K−1 mol−1)	T ± 1 °C	ΔG° (kJ mol−1)
Cu(ii)	8.1364	29.163	25	−0.558
			35	−0.850
			45	−1.141
Zn(ii)	6.6921	26.725	25	−1.276
			35	−1.810
			45	−1.543
Cd(ii)	16.2538	56.2	25	−0.502
			35	−1.064
			45	−1.626
Pb(ii)	11.706	42.06	25	−0.834
			35	−1.254
			45	−1.675