Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

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
Deltafgas-96.47 ± 0.19kcal/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- bullet Sulfur dioxide)

By formula: O2S- + O2S = (O2S- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar24.00 ± 0.20kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar21.3 ± 1.3kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Deltar18.50kcal/molN/ADresch, Kramer, et al., 1991gas phase; Both dissociation and electron detachment?; B
Deltar18.30kcal/molN/ASnodgrass, Coe, et al., 1988gas phase; Appears to be dissociation + electron detachment; B
Quantity Value Units Method Reference Comment
Deltar33.8cal/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar13.90 ± 0.40kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B
Deltar10.4 ± 2.2kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar8.10 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Deltar8.3kcal/molHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar16.0cal/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar3.90 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar6.60 ± 0.30kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.10 ± 0.70kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.60 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.80 ± 0.90kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar1.10 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.70 ± 0.70kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.60 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.10 ± 0.40kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.80 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.10 ± 0.70kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.20 ± 0.60kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.70 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.40kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1.5 ± 3.0kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar4.60 ± 0.40kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.5 ± 2.0kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.40 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.60 ± 0.30kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.40 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.50 ± 0.40kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.30 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar6.50 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.10 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar8.90 ± 0.80kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar4.30 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar11.0 ± 1.0kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar6.2 ± 2.2kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar6.40 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar5.40 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.20 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar4.20 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1.20 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.90 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.40 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.50 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.60kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.1 ± 2.3kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.40 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.3 ± 1.2kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.40kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.3 ± 1.5kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar123.5 ± 1.2kcal/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- bullet Water bullet 3Sulfur dioxide) + Water = (O2S- bullet 2Water bullet 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar7.10 ± 0.40kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.80 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.10 ± 0.70kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar6.60 ± 0.30kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.10 ± 0.70kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.60 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar123.5 ± 1.2kcal/molN/ANimlos and Ellison, 1986gas phase; B

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

By formula: O2S- + O2S = (O2S- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar24.00 ± 0.20kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar21.3 ± 1.3kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Deltar18.50kcal/molN/ADresch, Kramer, et al., 1991gas phase; Both dissociation and electron detachment?; B
Deltar18.30kcal/molN/ASnodgrass, Coe, et al., 1988gas phase; Appears to be dissociation + electron detachment; B
Quantity Value Units Method Reference Comment
Deltar33.8cal/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar13.90 ± 0.40kcal/molTDAsKeesee, Lee, et al., 1980gas phase; B
Deltar10.4 ± 2.2kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar8.90 ± 0.80kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar4.30 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.40 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.60 ± 0.30kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.40 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar7.50 ± 0.40kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.30 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar6.50 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.10 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.80 ± 0.90kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar1.10 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.20 ± 0.60kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.70 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.70 ± 0.70kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.60 ± 0.20kcal/molTDAsVacher, Leduc, et al., 1994gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar8.10 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Deltar8.3kcal/molHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar16.0cal/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar3.90 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar6.40 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar5.40 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.20 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar4.20 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1.20 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.90 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.40 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.50 ± 0.20kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.40 ± 0.30kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.3 ± 1.2kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.40kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.3 ± 1.5kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.00 ± 0.60kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.1 ± 2.3kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar4.60 ± 0.40kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.5 ± 2.0kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar3.60 ± 0.40kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1.5 ± 3.0kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar11.0 ± 1.0kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar6.2 ± 2.2kcal/molTDAsVacher, Jorda, et al., 1992gas phase; B

Vibrational and/or electronic energy levels

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering 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 by: Marilyn E. Jacox

State:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (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