(H2O)18..SO4 dianion


Reaction thermochemistry data

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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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Sulfate + 18Water = H36O22S-2

By formula: O4S-2 + 18H2O = H36O22S-2

Quantity Value Units Method Reference Comment
Δr16. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker

Ion clustering data

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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: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

Sulfate + 18Water = H36O22S-2

By formula: O4S-2 + 18H2O = H36O22S-2

Quantity Value Units Method Reference Comment
Δr16. ± 8.4kJ/molIMREBlades and Kebarle, 2005gas phase; dGaff at 270K; 298 value probably ca. 0.5 kcal/mole weaker

References

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

Blades and Kebarle, 2005
Blades, A.T.; Kebarle, P., Sequential hydration energies of the sulfate ion, from determinations of the equilibrium constants for the gas-phase reactions: SO4(H2O)(n)(2-) = SO4(H2O)(n-1)(2-)+H2O, J. Phys. Chem. A, 2005, 109, 37, 8293-8298, https://doi.org/10.1021/jp0540353 . [all data]


Notes

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