Tuning Reactivity of Platinum(II) Complexes

Table S4.10: Average observed rate constants, kobs(3 rd ), at 298.15 K, for the second step
reactions of 2, 6pzn with a series of nucleophiles at different
concentrations.
[NU]/ M kobs(3 rd ), s -1
k obs(1 st ) in s -1
TU DMTU TMTU
0.004 3.287 x 10 -5 2.455 x 10 -5 1.087 x 10 -5
0.008 6.287 x 10 -5 4.899 x 10 -5 2.201 x10 -5
0.012 9.643 x 10 -5 7.412 x 10 -5 3.318 x 10 -5
0.016 1.287 x 10 -4 9.811 x 10 -5 4.375 x 10 -5
0.02 1.567 x 10 -4 1.234 x 10 -4 5.434 x 10 -5
0.15
0.10
0.05
TU
DMTU
TMTU
0.00
0.000 0.002 0.004 0.006 0.008 0.010 0.012
[NU]/ mol dm -3
Figure S4.11: Concentration dependence of kobs(1 st ) for the displacement of first aqua
ligand in 2,6pzn by thiourea nucleophiles, pH = 2.0, T = 298.15 K, I = 0.10
M (0.01 M HClO4, adjusted with NaClO4).
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