International Scholarly Research Notices / 2013 / Article / Tab 1 / Research Article
Complex Formation Equilibria between Ag(I) and Thioureas in Propan-2-ol Table 1 Stability constants
(
as
) and standard free energy changes
(as
) at different temperatures and
, ionic strength self-determined by
for the overall complexing reactions
.
Ligand
K
K
K
K
K
K
K
Tu 1
57.6
61.0
55.2
54.9
56.4
54.5
53.8 2
79.8
84.9
78.4
77
78.3
77
75.2 3
93.9
96.5
92.8
92.9
91.4
89.3
91.6 MeTu 1
57.7
58.9
55.1
55
52.3
54.4
48.7 2
80.7
81.4
76.6
78.1
74.4
75.7
73.9 3
94.3
94.7
92.0
91.9
90
88.1
85.7 Me2 Tu 1
28.1
51.4
48.2
49.9
49.6
43.6
45.4 2
75.8
75.7
71.5
71.1
72.9
74.3
69.8 3
92.3
90.1
85.7
84.5
88.1
82.1
82.7 Me4 Tu 1
41.4
42.9
34.0
36.1
33.9
5.5
32.4 2
62.9
64.4
59.2
60.2
60.7
59.5
58.9 3
78.5
81.6
75.7
.85.4
71.7
71.5
72.6 EtTu 1
56.4
58.9
53.3
54
53.7
53.1
57.3 2
80.9
80.8
78.4
77.3
76.9
76.2
77.7 3
97
96.8
92.2
91
90.9
91.2
91.8 Et2 Tu 1
61.2
60.8
53.5
53.4
53.1
53.1
50.5 2
83.1
84.1
77.5
77.4
77.5
78.4
76.4 3
100.2
101.3
94.5
92.9
93.4
94
91.1 EnTu 1
69.7
68.9
68.9
62.9
62.5
65.3
63.4 2
89.3
90.8
89.3
87.1
86.4
84.4
85.6 3
110
105
98.4
98
96.1