Sequestration of Alkyltin(IV) Compounds in Aqueous Solution: Formation, Stability, and Empirical Relationships for the Binding of Dimethyltin(IV) Cation by N- and O-Donor Ligands

Table 3

Stability constants of dimethyltin(IV)/aminoacid species, in NaCl_aq at different ionic strengths (in molL⁻¹), and t = 25°C. log 𝐾_𝑝𝑞𝑟 refer to equilibria reported in (2)–(4); ± standard deviation.

I / molL^−1	log 𝐾110	log 𝐾111	log 𝐾112	log 𝐾11−1
	gly
0.100	7.74 ± 0.04	1.90 ± 0.04	—	5.60 ± 0.08
0.486	7.49 ± 0.03	1.34 ± 0.03	—	5.52 ± 0.06
	lys
0.098	13.74 ± 0.07	9.01 ± 0.04	3.61 ± 0.06	6.66 ± 0.07
0.475	13.14 ± 0.05	7.97 ± 0.02	2.76 ± 0.09	7.10 ± 0.07
	asp
0.098	8.00 ± 0.07	2.48 ± 0.03	—	5.84 ± 0.08
0.237	7.88 ± 0.06	2.43 ± 0.02	—	5.84 ± 0.07
0.482	7.94 ± 0.04	2.47 ± 0.02	—	5.96 ± 0.05
0.713	8.08 ± 0.04	2.56 ± 0.01	—	6.13 ± 0.05
0.958	8.28 ± 0.06	2.67 ± 0.02	—	6.32 ± 0.08