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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Eur J Inorg Chem. 2014 Sep;2014(25):4123–4133. doi: 10.1002/ejic.201402082

Table 1.

Kinetic and thermodynamic parameters for reduction of Cbi(III) by H2S at pH 4.5 [for kobs(1)]

T [°C] k1 [m−1s−1] k−1 [s−1]
35 3775 ± 168 26 ± 2
25 2112 ± 171 10 ± 3
15 125 ± 55 2.5 ± 0.8
5 466 ± 3 0.70 ± 0.05
ΔH≠(k) [kJ mol−1] 46 ± 4 85 ± 4
ΔS≠(k) [J K−1 mol−1] −26 ± 12 +59 ± 12