SO4 radical anion

• Formula: O₄S^-
• Molecular weight: 96.063
• CAS Registry Number: 12143-45-2
• Information on this page:
  • Reaction thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
• Options:
  • Switch to calorie-based units

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^- +  = (O₄S^- • )

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

Free energy of reaction

O₄S^- +  = (O₄S^- • )

By formula: O₄S^- + O₂S = (O₄S^- • O₂S)

Free energy of reaction

(O₄S^- • 4294967295) +  = O₄S^-

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

(O₄S^- • ) +  = (O₄S^- • 2)

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

Free energy of reaction

Ion clustering data

Go To: Top, Reaction thermochemistry data, References, Notes

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^- +  = (O₄S^- • )

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

Free energy of reaction

(O₄S^- • ) +  = (O₄S^- • 2)

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

Free energy of reaction

O₄S^- +  = (O₄S^- • )

By formula: O₄S^- + O₂S = (O₄S^- • O₂S)

Free energy of reaction

(O₄S^- • 4294967295) +  = O₄S^-

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

References

Go To: Top, 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.

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]

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]

Notes

Go To: Top, Reaction thermochemistry data, Ion clustering data, References

• Symbols used in this document:
  

  T	Temperature
  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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