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 2

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

𝐼/molL^−1	log𝐾110	log𝐾120	log𝐾111	log𝐾121	log𝐾112	log𝐾113
	en
0.102	10.75±0.02	4.86±0.01	6.25±0.02	—	—	—
0.253	10.70±0.01	4.84±0.01	6.32±0.01	—	—	—
0.494	10.61±0.01	4.81±0.01	6.33±0.01’	—	—	—
0.720	10.53±0.02	4.79±0.02	6.29±0.01	—	—	—
0.948	10.44±0.01	4.76±0.03	6.24±0.02	—	—	—
	ptr
0.105	14.24±0.02	3.46±0.01	8.79±0.02	—	—	—
0.243	14.19±0.01	3.45±0.02	8.85±0.02	—	—	—
0.490	14.12±0.01	3.41±0.02	8.86±0.02	—	—	—
0.722	14.04±0.01	3.39±0.03	8.81±0.02	—	—	—
0.968	13.96±0.02	3.36±0.04	8.74±0.03	—	—	—
	paam
0.102	11.93±0.02	—	7.46±0.02	7.54±0.03	—	—
0.252	11.94±0.02	—	7.51±0.02	7.67±0.02	—	—
0.481	11.96±0.01	—	7.47±0.01	7.76±0.02	—	—
0.725	11.97±0.01	—	7.39±0.01	7.81±0.02	—	—
0.954	11.98±0.01	—	7.29±0.02	7.83±0.03	—	—
	sper
0.110	14.66±0.02	—	12.80±0.01	—	10.95±0.03	7.06±0.04
0.245	14.63±0.01	—	12.88±0.01	—	11.13±0.02	7.35±0.03
0.486	14.58±0.01	—	12.91±0.01	—	11.23±0.02	7.52±0.03
0.712	14.52±0.02	—	12.89±0.01	—	11.23±0.02	7.55±0.03
0.947	14.47±0.01	—	12.86±0.02	—	11.20±0.03	7.53±0.05
	pei
0.101	11.92±0.02	—	9.22±0.02	—	5.35±0.05	3.12±0.08
0.249	11.88±0.01	—	9.30±0.01	—	5.51±0.04	3.45±0.06
0.501	11.81±0.01	—	9.32±0.01	—	5.53±0.03	3.64±0.04
0.752	11.75±0.01	—	9.29±0.01	—	5.46±0.03	3.68±0.05
0.999	11.68±0.02	—	9.24±0.02	—	5.36±0.05	3.67±0.08