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Reaction data

(Hydronium cation bullet 4Water) + Water = (Hydronium cation bullet 5Water)


Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

DeltarH° (kJ/mol) Method Reference Comment
51.0 ± 7.5CIDDalleska, Honma, et al., 1993gas phase; guided ion beam CID; M
46.4PHPMSMeot-Ner (Mautner) and Speller, 1986gas phase; M
48.5PHPMSLau, Ikuta, et al., 1982gas phase; M
47.7HPMSArifov, Pozharov, et al., 1973gas phase; M
58.2PHPMSTholman, Tonner, et al., 1994gas phase; M
34.CIDMagnera, David, et al., 1991gas phase; M; Data excluded from overall average
36.HPMSBeggs and Field, 1971gas phase; M; Data excluded from overall average
54.HPMSKebarle, Searles, et al., 1967gas phase; M; Data excluded from overall average

References

Go To: Top, Enthalpy of reaction at standard conditions (nominally 298.15 K, 1 atm.), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Dalleska, Honma, et al., 1993
Dalleska, N.F.; Honma, K.; Armentrout, P.B., Stepwise Solvation Enthalpies of Protonated Water Clusters: Collision-Induced Dissociation as an Aleternative to Equilibrium Studies, J. Am. Chem. Soc., 1993, 115, 25, 12125, https://doi.org/10.1021/ja00078a059 . [all data]

Meot-Ner (Mautner) and Speller, 1986
Meot-Ner (Mautner), M.; Speller, C.V., The Filling of Solvent Shells in Cluster Ions: Thermochemical Criteria nd the Effects of Isomeric Clusters, J. Phys. Chem., 1986, 90, 25, 6616, https://doi.org/10.1021/j100283a006 . [all data]

Lau, Ikuta, et al., 1982
Lau, Y.K.; Ikuta, S.; Kebarle, P., Thermodynamics and Kinetics of the Gas - Phase Reactions: H3O+(H2O)n - 1 + H2O = H3O+(H2O)n, J. Am. Chem. Soc., 1982, 104, 6, 1462, https://doi.org/10.1021/ja00370a002 . [all data]

Arifov, Pozharov, et al., 1973
Arifov, U.A.; Pozharov, S.L.; Chernov, I.G.; Mukhamediev, Z.A., High Energy Chem., 1973, 7, 347. [all data]

Tholman, Tonner, et al., 1994
Tholman, D.; Tonner, D.S.; McMahon, T.B., Spontaneous Unimolecular Dissociation of Small Cluster Ions, (H3O)+(L)n and Cl-(H2O)n (n = 2-4), under Fourier Transform Ion Cyclotron Resonance Conditions, J. Phys. Chem., 1994, 98, 8, 2002, https://doi.org/10.1021/j100059a002 . [all data]

Magnera, David, et al., 1991
Magnera, T.F.; David, D.E.; Michl, J., The First Twenty - Eight Proton Hydration Energies, Chem. Phys. Lett., 1991, 182, 3-4, 363, https://doi.org/10.1016/0009-2614(91)80230-U . [all data]

Beggs and Field, 1971
Beggs, D.P.; Field, F.H., Reversible Reactions of Gaseous Ions. I. Methane-Water System, J. Am. Chem. Soc., 1971, 93, 7, 1567, https://doi.org/10.1021/ja00736a001 . [all data]

Kebarle, Searles, et al., 1967
Kebarle, P.; Searles, S.K.; Zolla, A.; Scarborough, J.; Arshadi, M., The Solvation of the Hydrogen Ion by Water Molecules in the Gas Phase. Heats and Entropies of Solvation of the Individual Reactions: H+(H2O)n-1 + H2O = H+(H2O)n, J. Am. Chem. Soc., 1967, 89, 25, 6393, https://doi.org/10.1021/ja01001a001 . [all data]


Notes

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