Sulfur dioxide anion


Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, References, Notes

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-403.6 ± 0.79kJ/molR-EANimlos and Ellison, 1986 

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, 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- + Sulfur dioxide = (O2S- • Sulfur dioxide)

By formula: O2S- + O2S = (O2S- • O2S)

Quantity Value Units Method Reference Comment
Δr100.4 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Δr89.1 ± 5.4kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Δr77.40kJ/molN/ADresch, Kramer, et al., 1991gas phase; Both dissociation and electron detachment?; B
Δr76.57kJ/molN/ASnodgrass, Coe, et al., 1988gas phase; Appears to be dissociation + electron detachment; B
Quantity Value Units Method Reference Comment
Δr141.J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr58.2 ± 1.7kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B
Δr43.5 ± 9.2kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Sulfur dioxide) + Sulfur dioxide = (O2S- • 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr33.9 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Δr35.kJ/molHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr66.9J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr16.3 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 2Water • 3Sulfur dioxide) + Water = (O2S- • 3Water • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr27.6 ± 1.3kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr12.6 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 2Water • 4Sulfur dioxide) + Water = (O2S- • 3Water • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr29.7 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr10.9 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 5Sulfur dioxide • 2Water) + Sulfur dioxide = (O2S- • 6Sulfur dioxide • 2Water)

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

Quantity Value Units Method Reference Comment
Δr15.9 ± 3.8kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr4.60 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 6Sulfur dioxide • 2Water) + Sulfur dioxide = (O2S- • 7Sulfur dioxide • 2Water)

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

Quantity Value Units Method Reference Comment
Δr15.5 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr2.5 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Water • 3Sulfur dioxide) + Water = (O2S- • 2Water • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr29.7 ± 1.7kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr15.9 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Water • 4Sulfur dioxide) + Water = (O2S- • 2Water • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr29.7 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr12.6 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 6Sulfur dioxide • Water) + Sulfur dioxide = (O2S- • 7Sulfur dioxide • Water)

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

Quantity Value Units Method Reference Comment
Δr13.4 ± 2.5kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr2.9 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 2Sulfur dioxide • Oxygen) + Sulfur dioxide = (O2S- • 3Sulfur dioxide • Oxygen)

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

Quantity Value Units Method Reference Comment
Δr15.1 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr6. ± 13.kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • Sulfur dioxide • Oxygen) + Sulfur dioxide = (O2S- • 2Sulfur dioxide • Oxygen)

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

Quantity Value Units Method Reference Comment
Δr19.2 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr10. ± 8.4kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 2Sulfur dioxide) + Water = (O2S- • Water • 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr31.0 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr15.1 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 3Sulfur dioxide) + Water = (O2S- • Water • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr31.8 ± 1.3kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr14.2 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 4Sulfur dioxide) + Water = (O2S- • Water • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr31.4 ± 1.7kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr13.8 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 5Sulfur dioxide) + Water = (O2S- • Water • 5Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr27.2 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr13.0 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Sulfur dioxide) + Water = (O2S- • Water • Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr37.2 ± 3.3kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr18.0 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Oxygen) + Sulfur dioxide = (O2S- • Sulfur dioxide • Oxygen)

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

Quantity Value Units Method Reference Comment
Δr46.0 ± 4.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr26. ± 9.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 2Sulfur dioxide) + Sulfur dioxide = (O2S- • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr26.8 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr12.6 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 3Sulfur dioxide) + Sulfur dioxide = (O2S- • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr22.6 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr9.20 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 4Sulfur dioxide) + Sulfur dioxide = (O2S- • 5Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr17.6 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr5.02 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 5Sulfur dioxide) + Sulfur dioxide = (O2S- • 6Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr15.1 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr3.8 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 6Sulfur dioxide) + Sulfur dioxide = (O2S- • 7Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr14.2 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr2.1 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 9Sulfur dioxide) + Sulfur dioxide = (O2S- • 10Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr12.6 ± 2.5kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr0.4 ± 9.6kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 7Sulfur dioxide) + Sulfur dioxide = (O2S- • 8Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr14.2 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr1. ± 5.0kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 8Sulfur dioxide) + Sulfur dioxide = (O2S- • 9Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr12.6 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr1. ± 6.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 4294967295Sulfur monoxide) + Sulfur monoxide = O2S-

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

Quantity Value Units Method Reference Comment
Δr516.7 ± 5.0kJ/molN/ANimlos and Ellison, 1986gas phase; B

Ion clustering data

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

(O2S- • Water • 3Sulfur dioxide) + Water = (O2S- • 2Water • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr29.7 ± 1.7kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr15.9 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Water • 4Sulfur dioxide) + Water = (O2S- • 2Water • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr29.7 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr12.6 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 2Water • 3Sulfur dioxide) + Water = (O2S- • 3Water • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr27.6 ± 1.3kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr12.6 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 2Water • 4Sulfur dioxide) + Water = (O2S- • 3Water • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr29.7 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr10.9 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 4294967295Sulfur monoxide) + Sulfur monoxide = O2S-

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

Quantity Value Units Method Reference Comment
Δr516.7 ± 5.0kJ/molN/ANimlos and Ellison, 1986gas phase; B

O2S- + Sulfur dioxide = (O2S- • Sulfur dioxide)

By formula: O2S- + O2S = (O2S- • O2S)

Quantity Value Units Method Reference Comment
Δr100.4 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Δr89.1 ± 5.4kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Δr77.40kJ/molN/ADresch, Kramer, et al., 1991gas phase; Both dissociation and electron detachment?; B
Δr76.57kJ/molN/ASnodgrass, Coe, et al., 1988gas phase; Appears to be dissociation + electron detachment; B
Quantity Value Units Method Reference Comment
Δr141.J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr58.2 ± 1.7kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B
Δr43.5 ± 9.2kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Sulfur dioxide) + Water = (O2S- • Water • Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr37.2 ± 3.3kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr18.0 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 2Sulfur dioxide) + Water = (O2S- • Water • 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr31.0 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr15.1 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 3Sulfur dioxide) + Water = (O2S- • Water • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr31.8 ± 1.3kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr14.2 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 4Sulfur dioxide) + Water = (O2S- • Water • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr31.4 ± 1.7kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr13.8 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 5Sulfur dioxide) + Water = (O2S- • Water • 5Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr27.2 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr13.0 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 5Sulfur dioxide • 2Water) + Sulfur dioxide = (O2S- • 6Sulfur dioxide • 2Water)

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

Quantity Value Units Method Reference Comment
Δr15.9 ± 3.8kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr4.60 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 6Sulfur dioxide • Water) + Sulfur dioxide = (O2S- • 7Sulfur dioxide • Water)

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

Quantity Value Units Method Reference Comment
Δr13.4 ± 2.5kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr2.9 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • 6Sulfur dioxide • 2Water) + Sulfur dioxide = (O2S- • 7Sulfur dioxide • 2Water)

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

Quantity Value Units Method Reference Comment
Δr15.5 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Δr2.5 ± 0.84kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B

(O2S- • Sulfur dioxide) + Sulfur dioxide = (O2S- • 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr33.9 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Δr35.kJ/molHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr66.9J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Δr16.3 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 2Sulfur dioxide) + Sulfur dioxide = (O2S- • 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr26.8 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr12.6 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 3Sulfur dioxide) + Sulfur dioxide = (O2S- • 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr22.6 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr9.20 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 4Sulfur dioxide) + Sulfur dioxide = (O2S- • 5Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr17.6 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr5.02 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 5Sulfur dioxide) + Sulfur dioxide = (O2S- • 6Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr15.1 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr3.8 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 6Sulfur dioxide) + Sulfur dioxide = (O2S- • 7Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr14.2 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr2.1 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 7Sulfur dioxide) + Sulfur dioxide = (O2S- • 8Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr14.2 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr1. ± 5.0kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 8Sulfur dioxide) + Sulfur dioxide = (O2S- • 9Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr12.6 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr1. ± 6.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 9Sulfur dioxide) + Sulfur dioxide = (O2S- • 10Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Δr12.6 ± 2.5kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr0.4 ± 9.6kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • Sulfur dioxide • Oxygen) + Sulfur dioxide = (O2S- • 2Sulfur dioxide • Oxygen)

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

Quantity Value Units Method Reference Comment
Δr19.2 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr10. ± 8.4kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • 2Sulfur dioxide • Oxygen) + Sulfur dioxide = (O2S- • 3Sulfur dioxide • Oxygen)

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

Quantity Value Units Method Reference Comment
Δr15.1 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr6. ± 13.kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O2S- • Oxygen) + Sulfur dioxide = (O2S- • Sulfur dioxide • Oxygen)

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

Quantity Value Units Method Reference Comment
Δr46.0 ± 4.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr26. ± 9.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

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:   ?


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

Td = 8930 ± 65 Celotta, Bennett, et al., 1974
Nimlos and Ellison, 1986

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 1 Sym. stretch 944 ± 48 gas PE Nimlos and Ellison, 1986
1 Sym. stretch 990.8 Ne IR Forney, Kellogg, et al., 2000
1 Sym. stretch 985 m Cs Ar IR Ra Milligan and Jacox, 1971
Bencivenni, Ramondo, et al., 1986
1 Sym. stretch 990 Na Ar IR Milligan and Jacox, 1971
Bencivenni, Ramondo, et al., 1986
2 Bend 435 ± 100 gas PE Nimlos and Ellison, 1986
2 Bend 495 w m Cs Ar IR Milligan and Jacox, 1971
Bencivenni, Ramondo, et al., 1986
2 Bend 495 Na Ar IR Milligan and Jacox, 1971
Bencivenni, Ramondo, et al., 1986
b2 3 Asym. stretch 1086.2 Ne IR Forney, Kellogg, et al., 2000
3 Asym. stretch 1089.7 Ar IR Bencivenni, Ramondo, et al., 1986
3 Asym. stretch 1081.8 Ar IR Bencivenni, Ramondo, et al., 1986
3 Asym. stretch 1042 s Cs Ar IR Milligan and Jacox, 1971
Bencivenni, Ramondo, et al., 1986
3 Asym. stretch 1041 Na Ar IR Milligan and Jacox, 1971
Bencivenni, Ramondo, et al., 1986

Additional references: Jacox, 1994, page 110; Jacox, 2003, page 148

Notes

wWeak
mMedium
sStrong
dPhotodissociation threshold
NaInteraction with sodium.
CsInteraction with cesium

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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.

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]

Celotta, Bennett, et al., 1974
Celotta, R.S.; Bennett, R.A.; Hall, J.L., Laser Photodetachment Determination of the Electron Affinities of OH, NH2, NH, SO2, and S2, J. Chem. Phys., 1974, 60, 5, 1740, https://doi.org/10.1063/1.1681268 . [all data]

Forney, Kellogg, et al., 2000
Forney, D.; Kellogg, C.B.; Thompson, W.E.; Jacox, M.E., The vibrational spectra of molecular ions isolated in solid neon. XVI. SO[sub 2][sup +], SO[sub 2][sup -], and (SO[sub 2])[sub 2][sup -], J. Chem. Phys., 2000, 113, 1, 86, https://doi.org/10.1063/1.481777 . [all data]

Milligan and Jacox, 1971
Milligan, D.E.; Jacox, M.E., Infrared Spectrum and Structure of the SO2- Radical Ion, J. Chem. Phys., 1971, 55, 3, 1003, https://doi.org/10.1063/1.1676176 . [all data]

Bencivenni, Ramondo, et al., 1986
Bencivenni, L.; Ramondo, F.; Teghil, R.; Polino, M., Infrared and raman study of matrix isolated M(SO2) molecules. The structure of the molecular ion SO2-, Inorg. Chim. Acta, 1986, 121, 2, 207, https://doi.org/10.1016/S0020-1693(00)84521-1 . [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]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]


Notes

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