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Free Gibbs Enthalpies and pe Values for Hydrogen

 

 

Unified Reducity of H+/H2
Solvent S

ΔsolvG°(H+,S)

/ kJ mol1

pHabs

 

pK'e = pe°abs

(H+/H2, S)

E°abs

(H+/H2, S) / V

E°S / V

H2O −1104.5 193.50 72.27 4.28 /
MeCN −1058.1 185.37 80.40 4.76 /
DMSO −1123.9 196.90 68.87 4.08 /
NH3 −1201.5 210.49 55.27 3.27 /
DCE −860.0 150.66 115.10 6.81 /
EMIM Br −1101.9 193.04 72.72 4.30 /
Et2O −998.0 174.84 90.93 5.38 /
HF −908.0 159.07 106.69 6.31 /
MeOH −1094.1 191.68 74.09 4.38 /
EtOH −1093.4 191.55 74.21 4.39 /
1-PrOH −1095.5 191.92 73.84 4.37 /
1-BuOH −1101.5 192.97 72.79 4.31 /
EG −1099.5 192.62 73.14 4.33 /
PGa −1098.0 192.36 73.41 4.34 /
DMFa −1118.9 196.02 69.75 4.13 /
PC −1054.5 184.74 81.03 4.79 /
NMPy −1129.5 197.88 67.89 4.02 /
MeNO2 −1009.5 176.86 88.91 5.26 /
PhNO2 −1071.5 187.72 78.05 4.62 /
Py −1132.5 198.40 67.36 3.99 /
HMPT −1064.5 186.49 79.28 4.69 /
If not otherwise stated values for ΔtrG°(H+, H2O → S) according to Marcus et al. [1]  [a] Values according to Marcus et al. [2]

 

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

[2] C. Kalidas, G. Hefter, Y. Marcus, Chem. Rev. 2000, 100, 819.

 

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