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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 6.

Kinetic and thermodynamic parameters for reduction of Cbi(III) by H2S at pH 4.5 [for kobs(4)]

T [°C] kslope [m−1 s−1] kintercept [s−1]
35 16 ± 1 0.08 ± 0.03
25 9.35 ± 0.04 0.033 ± 0.001
15 1.8 ± 0.2 0.002 ± 0.005
5 0.43 ± 0.02 ~ 0
ΔH≠(k) [kJ mol−1] 87 ± 10 132 ± 40
ΔS≠(k) [J K−1 mol−1] +64 ± 30 +166 ± 120