Sulfur trioxide anion

• Formula: O₃S^-
• Molecular weight: 80.064
• CAS Registry Number: 12210-38-7
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Ion clustering data
• Options:
  • Switch to SI units

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

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

O₃S^- +  = (O₃S^- • )

By formula: O₃S^- + CO₂ = (O₃S^- • CO₂)

(O₃S^- •  • ) +  = (O₃S^- • 2 • )

By formula: (O₃S^- • O₂S • O₂) + O₂S = (O₃S^- • 2O₂S • O₂)

(O₃S^- • ) +  = (O₃S^- •  • )

By formula: (O₃S^- • O₂) + O₂S = (O₃S^- • O₂S • O₂)

O₃S^- +  = (O₃S^- • )

By formula: O₃S^- + O₂S = (O₃S^- • O₂S)

O₃S^- +  = (O₃S^- • )

By formula: O₃S^- + H₂O = (O₃S^- • H₂O)

Free energy of reaction

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   X

Additional references: Jacox, 1994, page 223

Notes

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes

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

Gleason, 1987
Gleason, J.F., as cited in 95MIL/VIG, Ph.D. dissertation, Univ. of Colorado,, 1987. [all data]

Dobrin, Boo, et al., 2000
Dobrin, S.; Boo, B.H.; Alconcel, L.S.; Continetti, R.E., Photoelectron spectroscopy of SO3- at 355 and 266 nm, J. Phys. Chem. A, 2000, 104, 46, 10695-10700, https://doi.org/10.1021/jp0025680 . [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]

Keesee, Lee, et al., 1980
Keesee, R.G.; Lee, N.; Castleman, A.W., Jr., Properties of clusters in the gas phase: V. Complexes of neutral molecules onto negative ions, J. Chem. Phys., 1980, 73, 2195. [all data]

Vacher, Jorda, et al., 1992
Vacher, J.R.; Jorda, M.; Leduc, E.; Fitaire, M., A Determination of the Stabilities of Negative Ion Clusters in SO2 and SO2-O2 Mixtures, Int. J. Mass Spectrom. Ion Proc., 1992, 114, 3, 149, https://doi.org/10.1016/0168-1176(92)80033-W . [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]

Stanbury, Holme, et al., 1986
Stanbury, D.M.; Holme, T.A.; Kafafi, Z.H.; Margrave, J.L., AB initio calculations and matrix ftir studies of the sulfur trioxide radical anion, Chem. Phys. Lett., 1986, 129, 2, 181, https://doi.org/10.1016/0009-2614(86)80193-2 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Notes

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• Symbols used in this document:
  

  T	Temperature
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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