Sulfur dioxide anion

• Formula: O₂S^-
• Molecular weight: 64.064
• CAS Registry Number: 12143-17-8
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Ion clustering data
  • Vibrational and/or electronic energy levels
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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

Go To: Top, Gas phase 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. 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

O₂S^- +  = (O₂S^- • )

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

(O₂S^- • ) +  = (O₂S^- • 2)

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

(O₂S^- • 2 • 3) +  = (O₂S^- • 3 • 3)

By formula: (O₂S^- • 2H₂O • 3O₂S) + H₂O = (O₂S^- • 3H₂O • 3O₂S)

(O₂S^- • 2 • 4) +  = (O₂S^- • 3 • 4)

By formula: (O₂S^- • 2H₂O • 4O₂S) + H₂O = (O₂S^- • 3H₂O • 4O₂S)

(O₂S^- • 5 • 2) +  = (O₂S^- • 6 • 2)

By formula: (O₂S^- • 5O₂S • 2H₂O) + O₂S = (O₂S^- • 6O₂S • 2H₂O)

(O₂S^- • 6 • 2) +  = (O₂S^- • 7 • 2)

By formula: (O₂S^- • 6O₂S • 2H₂O) + O₂S = (O₂S^- • 7O₂S • 2H₂O)

(O₂S^- •  • 3) +  = (O₂S^- • 2 • 3)

By formula: (O₂S^- • H₂O • 3O₂S) + H₂O = (O₂S^- • 2H₂O • 3O₂S)

(O₂S^- •  • 4) +  = (O₂S^- • 2 • 4)

By formula: (O₂S^- • H₂O • 4O₂S) + H₂O = (O₂S^- • 2H₂O • 4O₂S)

(O₂S^- • 6 • ) +  = (O₂S^- • 7 • )

By formula: (O₂S^- • 6O₂S • H₂O) + O₂S = (O₂S^- • 7O₂S • H₂O)

(O₂S^- • 2 • ) +  = (O₂S^- • 3 • )

By formula: (O₂S^- • 2O₂S • O₂) + O₂S = (O₂S^- • 3O₂S • O₂)

(O₂S^- •  • ) +  = (O₂S^- • 2 • )

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

(O₂S^- • 2) +  = (O₂S^- •  • 2)

By formula: (O₂S^- • 2O₂S) + H₂O = (O₂S^- • H₂O • 2O₂S)

(O₂S^- • 3) +  = (O₂S^- •  • 3)

By formula: (O₂S^- • 3O₂S) + H₂O = (O₂S^- • H₂O • 3O₂S)

(O₂S^- • 4) +  = (O₂S^- •  • 4)

By formula: (O₂S^- • 4O₂S) + H₂O = (O₂S^- • H₂O • 4O₂S)

(O₂S^- • 5) +  = (O₂S^- •  • 5)

By formula: (O₂S^- • 5O₂S) + H₂O = (O₂S^- • H₂O • 5O₂S)

(O₂S^- • ) +  = (O₂S^- •  • )

By formula: (O₂S^- • O₂S) + H₂O = (O₂S^- • H₂O • O₂S)

(O₂S^- • ) +  = (O₂S^- •  • )

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

(O₂S^- • 2) +  = (O₂S^- • 3)

By formula: (O₂S^- • 2O₂S) + O₂S = (O₂S^- • 3O₂S)

(O₂S^- • 3) +  = (O₂S^- • 4)

By formula: (O₂S^- • 3O₂S) + O₂S = (O₂S^- • 4O₂S)

(O₂S^- • 4) +  = (O₂S^- • 5)

By formula: (O₂S^- • 4O₂S) + O₂S = (O₂S^- • 5O₂S)

(O₂S^- • 5) +  = (O₂S^- • 6)

By formula: (O₂S^- • 5O₂S) + O₂S = (O₂S^- • 6O₂S)

(O₂S^- • 6) +  = (O₂S^- • 7)

By formula: (O₂S^- • 6O₂S) + O₂S = (O₂S^- • 7O₂S)

(O₂S^- • 9) +  = (O₂S^- • 10)

By formula: (O₂S^- • 9O₂S) + O₂S = (O₂S^- • 10O₂S)

(O₂S^- • 7) +  = (O₂S^- • 8)

By formula: (O₂S^- • 7O₂S) + O₂S = (O₂S^- • 8O₂S)

(O₂S^- • 8) +  = (O₂S^- • 9)

By formula: (O₂S^- • 8O₂S) + O₂S = (O₂S^- • 9O₂S)

(O₂S^- • 4294967295) +  = O₂S^-

By formula: (O₂S^- • 4294967295OS) + OS = O₂S^-

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Notes

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

Nimlos and Ellison, 1986
Nimlos, M.R.; Ellison, G.B., Photoelectron spectroscopy of SO₂^-, S₃^-, and S₂O^-, J. Phys. Chem., 1986, 90, 2574. [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, Leduc, et al., 1994
Vacher, J.R.; Leduc, E.; Fitaire, M., Stabilities of Anionic Mixed Clusters of Sulfur Dioxide and Water, Int. J. Mass Spectrom. Ion Proc., 1994, 135, 2-3, 139, https://doi.org/10.1016/0168-1176(94)03985-2 . [all data]

Dresch, Kramer, et al., 1991
Dresch, T.; Kramer, H.; Thurner, Y.; Weber, R., Photoelectrons from Negative Dimers and Clusters of Sulfur Dioxide, Chem. Phys. Lett., 1991, 177, 4-5, 383, https://doi.org/10.1016/0009-2614(91)85070-D . [all data]

Snodgrass, Coe, et al., 1988
Snodgrass, J.T.; Coe, J.V.; Friedhoff, C.B.; McHugh, K.M.; Bowen, K.H., On the Photodissociation of (SO₂)₂^-, J. Chem. Phys., 1988, 88, 12, 8014, https://doi.org/10.1063/1.454261 . [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]

Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, References

• Symbols used in this document:
  

  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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