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Free Gibbs Enthalpies and pe Values for Iodine

Unified Reducity of I2/I
Solvent S

ΔsolvG°(I2, S)

/ kJ mol−1

pMabs

 

pK'e = pe°abs

(I2/I, S)

E°abs

(I2/I, S) / V

E°S / V

H2O −243.00 42.57 81.37 4.81 0.54
MeCN −226.20 39.63 78.43 4.64 −0.12
DMSO −232.60 40.75 79.55 4.71 0.63
NH3 −218.00 38.19 76.99 4.55 1.28
DCE −218.00 38.19 76.99 4.55 −2.25
MeOH −235.70 41.29 80.09 4.74 0.35
EtOH −230.10 40.31 79.11 4.68 0.29
1-PrOH −221.00 38.71 78.04 4.62 0.25
1-BuOH −221.00 38.72 77.51 4.59 0.28
EG −240.00 42.05 80.84 4.78 0.46
DMF −222.60 39.00 77.79 4.60 0.48
PC −229.30 40.17 78.97 4.67 −0.12
NMPy −224.00 39.24 78.04 4.62 0.60
MeNO2 −224.10 39.26 78.06 4.62 −0.64
PhNO2 −225.00 39.42 78.22 4.63 0.01
Py −224.00 39.24 78.04 4.62 0.63
HMPT −213.00 37.32 76.11 4.50 −0.19
If not otherwise stated values for ΔtrG°(H+, H2O → S) according to Marcus et al. [1] 

 

[1] Y. Marcus, M. J. Kamlet, R. W. Taft, J. Phys. Chem. 1988, 92, 3613-3622.

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