(H2O)7..SO4 dianion
- Formula: H14O11S-2
- Molecular weight: 222.171
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Gas phase ion energetics 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
Electron affinity of neutral species
EAneutral (eV) | Method | Reference | Comment |
---|---|---|---|
2.080 ± 0.080 | LPES | Wang, Sergeeva, et al., 2009 | Vertical Detachment Energy: 2.40±0.10 eV; ions at room temp. |
2.150 ± 0.080 | LPES | Wang, Sergeeva, et al., 2009 | Vertical Detachment Energy: 2.50±0.10 eV; ions at 12 K. |
2.10 ± 0.10 | LPES | Wang, Nicholas, et al., 2000 | Vertical Detachment Energy: 2.54±0.10 eV. |
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
H12O10S-2 + 7 = H14O11S-2
By formula: H12O10S-2 + 7H2O = H14O11S-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.2 ± 8.4 | kJ/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 31. ± 8.4 | kJ/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
ΔrG° | 31.4 ± 1.3 | kJ/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase |
H14O11S-2 + 8 = H16O12S-2
By formula: H14O11S-2 + 8H2O = H16O12S-2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 51.9 ± 8.4 | kJ/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 28. ± 8.4 | kJ/mol | TDAs | Blades and Kebarle, 2005 | gas phase |
ΔrG° | 28.0 ± 1.3 | kJ/mol | TDAs | Blades, Klassen, et al., 1995 | gas phase |
References
Go To: Top, Gas phase ion energetics data, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wang, Sergeeva, et al., 2009
Wang, X.B.; Sergeeva, A.P.; Yang, J.; Xing, X.P.; Boldyrev, A.I.; Wang, L.S.,
Photoelectron Spectroscopy of Cold Hydrated Sulfate Clusters, SO42-(H2O)(n) (n=4-7): Temperature-Dependent Isomer Populations,
J. Phys. Chem. A, 2009, 113, 19, 5567-5576, https://doi.org/10.1021/jp900682g
. [all data]
Wang, Nicholas, et al., 2000
Wang, X.B.; Nicholas, J.B.; Wang, L.S.,
Electronic instability of isolated SO42- and its solvation stabilization,
J. Chem. Phys., 2000, 113, 24, 10837-10840, https://doi.org/10.1063/1.1333703
. [all data]
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:
EAneutral Electron affinity of neutral species 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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