SO4 radical anion


Gas phase 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

Quantity Value Units Method Reference Comment
Δfgas-176.3 ± 5.2kcal/molR-EAWang, Nicholas, et al., 2000 
Δfgas-176.3 ± 2.3kcal/molTDEqRudny, Sidorov, et al., 1985value altered from reference due to conversion from electron convention to ion convention

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

O4S- + Water = (O4S- • Water)

By formula: O4S- + H2O = (O4S- • H2O)

Quantity Value Units Method Reference Comment
Δr5.90 ± 0.20kcal/molIMREMöhler, Reiner, et al., 1992gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.1296.FAFehsenfeld and Ferguson, 1974gas phase; M

O4S- + Sulfur dioxide = (O4S- • Sulfur dioxide)

By formula: O4S- + O2S = (O4S- • O2S)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.7296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(SO4-)H2O; M

(O4S- • 4294967295sulphur trioxide) + sulphur trioxide = O4S-

By formula: (O4S- • 4294967295O3S) + O3S = O4S-

Quantity Value Units Method Reference Comment
Δr107.6 ± 5.2kcal/molN/AWang, Nicholas, et al., 2000gas phase; B

(O4S- • Water) + Water = (O4S- • 2Water)

By formula: (O4S- • H2O) + H2O = (O4S- • 2H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
1.6296.FAFehsenfeld and Ferguson, 1974gas phase; M

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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

O4S- + Water = (O4S- • Water)

By formula: O4S- + H2O = (O4S- • H2O)

Quantity Value Units Method Reference Comment
Δr5.90 ± 0.20kcal/molIMREMöhler, Reiner, et al., 1992gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.1296.FAFehsenfeld and Ferguson, 1974gas phase; M

(O4S- • Water) + Water = (O4S- • 2Water)

By formula: (O4S- • H2O) + H2O = (O4S- • 2H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
1.6296.FAFehsenfeld and Ferguson, 1974gas phase; M

O4S- + Sulfur dioxide = (O4S- • Sulfur dioxide)

By formula: O4S- + O2S = (O4S- • O2S)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
6.7296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(SO4-)H2O; M

(O4S- • 4294967295sulphur trioxide) + sulphur trioxide = O4S-

By formula: (O4S- • 4294967295O3S) + O3S = O4S-

Quantity Value Units Method Reference Comment
Δr107.6 ± 5.2kcal/molN/AWang, Nicholas, et al., 2000gas phase; B

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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, Nicholas, et al., 2000
Wang, X.B.; Nicholas, J.B.; Wang, L.S., Photoelectron spectroscopy and theoretical calculations of SO4- and HSO4-: Confirmation of high electron affinities of SO4 and HSO4, J. Phys. Chem. A, 2000, 104, 3, 504-508, https://doi.org/10.1021/jp992726r . [all data]

Rudny, Sidorov, et al., 1985
Rudny, E.B.; Sidorov, L.N.; Voyk, O.M., Heterolytic Dissociation of Potassium Sulfate in the Gas Phase and Heats of Formation for Trioxosulfate(1-), Tetraoxosulfate(1-), and Potassium Sulfate(KSO4-) Ions, High Temp., 1985, 23, 238. [all data]

Möhler, Reiner, et al., 1992
Möhler, O.; Reiner, T.; Arnold, F., The Formation of SO5(-) by Gas Phase Ion-Molecule Reactions, J. Chem. Phys., 1992, 97, 11, 8233, https://doi.org/10.1063/1.463394 . [all data]

Fehsenfeld and Ferguson, 1974
Fehsenfeld, F.C.; Ferguson, E.E., Laboratory studies of negative ion reactions with atmospheric trace constituents, J. Chem. Phys., 1974, 61, 3181. [all data]


Notes

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