(H2O)9..SO4 dianion
- Formula: H18O13S-2
- Molecular weight: 258.201
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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
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Clustering reactions
H16O12S-2 + 9 = H18O13S-2
By formula: H16O12S-2 + 9H2O = H18O13S-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.8 ± 2.0 | kcal/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 6.1 ± 2.0 | kcal/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
ΔrG° | 6.00 ± 0.30 | kcal/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase |
H18O13S-2 + 10 = H20O14S-2
By formula: H18O13S-2 + 10H2O = H20O14S-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.9 ± 2.0 | kcal/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.8 ± 2.0 | kcal/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
References
Go To: Top, Ion clustering data, Notes
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]
Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P.,
Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I,
J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019
. [all data]
Notes
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- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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