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Sulfur dioxide

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Ion clustering 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess

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

(Bromine anion bullet Hydrogen bromide) + Sulfur dioxide = (Bromine anion bullet Sulfur dioxide bullet Hydrogen bromide)

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

Quantity Value Units Method Reference Comment
Deltar45.6kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.1J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M

(Bromine anion bullet Hydrogen chloride) + Sulfur dioxide = (Bromine anion bullet Sulfur dioxide bullet Hydrogen chloride)

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

Quantity Value Units Method Reference Comment
Deltar50.6kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar77.8J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M

Bromine anion + Sulfur dioxide = (Bromine anion bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar80.8 ± 8.4kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar92.0J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar53. ± 11.kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B

(Bromine anion bullet Sulfur dioxide) + Sulfur dioxide = (Bromine anion bullet 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar46.9kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar78.2J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M

(Bromine anion bullet 2Sulfur dioxide) + Sulfur dioxide = (Bromine anion bullet 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar36.kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar57.7J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M

Methyl cation + Sulfur dioxide = (Methyl cation bullet Sulfur dioxide)

By formula: CH3+ + O2S = (CH3+ bullet O2S)

Quantity Value Units Method Reference Comment
Deltar254.kJ/molPHPMSMcMahon, Heinis, et al., 1988gas phase; switching reaction(CH3+)N2, Entropy change calculated or estimated, uses MCA(N2) = 202. kJ/mol; Foster, Williamson, et al., 1974; M

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

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

Quantity Value Units Method Reference Comment
Deltar90.8 ± 3.3kJ/molTDAsLarson, Szulejko, et al., 1988gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar120.J/mol*KPHPMSLarson, Szulejko, et al., 1988gas phase; M
Quantity Value Units Method Reference Comment
Deltar56.07 ± 0.84kJ/molTDAsLarson, Szulejko, et al., 1988gas phase; B

CO3- + Sulfur dioxide = (CO3- bullet Sulfur dioxide)

By formula: CO3- + O2S = (CO3- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar59.kJ/molHPMSKeesee, Lee, et al., 1980gas phase; switching reaction(O-)CO2, Entropy change calculated or estimated; Fehsenfeld and Ferguson, 1974; M
Quantity Value Units Method Reference Comment
Deltar84.J/mol*KN/AKeesee, Lee, et al., 1980gas phase; switching reaction(O-)CO2, Entropy change calculated or estimated; Fehsenfeld and Ferguson, 1974; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.296.HPMSKeesee, Lee, et al., 1980gas phase; switching reaction(O-)CO2, Entropy change calculated or estimated; Fehsenfeld and Ferguson, 1974; M

C4H6+ + Sulfur dioxide = (C4H6+ bullet Sulfur dioxide)

By formula: C4H6+ + O2S = (C4H6+ bullet O2S)

Quantity Value Units Method Reference Comment
Deltar15.kJ/molPIGrover, Walters, et al., 1985gas phase; M

C4H8+ + Sulfur dioxide = (C4H8+ bullet Sulfur dioxide)

By formula: C4H8+ + O2S = (C4H8+ bullet O2S)

Quantity Value Units Method Reference Comment
Deltar10.kJ/molPIGrover, Walters, et al., 1985gas phase; M

C4H8+ + Sulfur dioxide = (C4H8+ bullet Sulfur dioxide)

By formula: C4H8+ + O2S = (C4H8+ bullet O2S)

Quantity Value Units Method Reference Comment
Deltar10.kJ/molPIGrover, Walters, et al., 1985gas phase; M

(Chlorine anion bullet Hydrogen chloride) + Sulfur dioxide = (Chlorine anion bullet Sulfur dioxide bullet Hydrogen chloride)

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

Quantity Value Units Method Reference Comment
Deltar51.5kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar77.4J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M

(Chlorine anion bullet Water) + Sulfur dioxide = (Chlorine anion bullet Sulfur dioxide bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar72.8kJ/molHPMSUpschulte, Schelling, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar84.5J/mol*KHPMSUpschulte, Schelling, et al., 1984gas phase; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
48.1296.HPMSFehsenfeld and Ferguson, 1974gas phase; switching reaction(Cl- H2O)H2O; M

(Chlorine anion bullet 2Water) + Sulfur dioxide = (Chlorine anion bullet Sulfur dioxide bullet 2Water)

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

Quantity Value Units Method Reference Comment
Deltar59.0kJ/molHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M
Quantity Value Units Method Reference Comment
Deltar81.2J/mol*KHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
35.296.HPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

Chlorine anion + Sulfur dioxide = (Chlorine anion bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar92.9 ± 8.4kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B,M
Deltar87.4 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
Deltar92.9 ± 9.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..Cl- in Keesee, Lee, et al., 1980; B,M
Deltar91.21 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar87.4kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Quantity Value Units Method Reference Comment
Deltar90.4J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M
Deltar101.J/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(Cl-)H2O), Entropy change calculated or estimated; Keesee and Castleman, 1980; M
Deltar87.0J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M
Deltar97.1J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar65.7 ± 8.4kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B
Deltar61.5 ± 8.4kJ/molIMRELarson and McMahon, 1985gas phase; B
Deltar62.8 ± 6.7kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..Cl- in Keesee, Lee, et al., 1980; B,M
Deltar61.9 ± 1.3kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B
Deltar61.5kJ/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; French, Ikuta, et al., 1982; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
59.4296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(Cl-)H2O; M

(Chlorine anion bullet Sulfur dioxide bullet Water) + Sulfur dioxide = (Chlorine anion bullet 2Sulfur dioxide bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar49.4kJ/molHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M
Quantity Value Units Method Reference Comment
Deltar109.J/mol*KHPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
17.296.HPMSUpschulte, Schelling, et al., 1984gas phase; From thermochemical cycle; M

(Chlorine anion bullet Sulfur dioxide) + Sulfur dioxide = (Chlorine anion bullet 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar51.5 ± 4.2kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar51.5kJ/molPHPMSCaldwell and Kebarle, 1985gas phase; M
Quantity Value Units Method Reference Comment
Deltar84.5J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M
Deltar95.0J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar23. ± 9.2kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(Chlorine anion bullet 2Sulfur dioxide) + Sulfur dioxide = (Chlorine anion bullet 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar41.84 ± 0.42kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar96.7J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar13.0 ± 1.3kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(Chlorine anion bullet 3Sulfur dioxide) + Sulfur dioxide = (Chlorine anion bullet 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar36.0 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar97.1J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar6.7 ± 4.2kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

ClO4- + Sulfur dioxide = (ClO4- bullet Sulfur dioxide)

By formula: ClO4- + O2S = (ClO4- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar23.8 ± 0.42kJ/molTDAsBanic and Iribarne, 1985gas phase; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
24.290.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(Cesium ion (1+) bullet Water) + Sulfur dioxide = (Cesium ion (1+) bullet Sulfur dioxide bullet Water)

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

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
18.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(Cesium ion (1+) bullet 2Water) + Sulfur dioxide = (Cesium ion (1+) bullet Sulfur dioxide bullet 2Water)

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

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
15.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

Cesium ion (1+) + Sulfur dioxide = (Cesium ion (1+) bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar45.2kJ/molDTMcKnight and Sawina, 1972gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.1J/mol*KDTMcKnight and Sawina, 1972gas phase; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
22.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

Fluorine anion + Sulfur dioxide = (Fluorine anion bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar225. ± 9.2kJ/molCIDTLobring, Check, et al., 2003gas phase; B
Deltar222. ± 10.kJ/molCIDTSquires, 1992gas phase; B
Deltar183.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar183. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M
Deltar250.kJ/molSAMSRobbiani and Franklin, 1979gas phase; Cl- + CO2ClF --> SO2F- + Cl2, «DELTA»rH>; M
Quantity Value Units Method Reference Comment
Deltar100.J/mol*KN/ALarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar96.2J/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Deltar153.kJ/molICRLarson and McMahon, 1985gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Deltar154. ± 8.4kJ/molIMRELarson and McMahon, 1983gas phase; These relative affinities are ca. 10 kcal/mol weaker than threshold values (see Wenthold and Squires, 1995) for donors greater than ca. 27 kcal/mol in free energy. This discrepancy has not yet been resolved, though the stronger value appears preferable.; B,M

Hydrogen anion + Sulfur dioxide = (Hydrogen anion bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar260. ± 67.kJ/molIMRBSheldon, Currie, et al., 1985gas phase; B
Quantity Value Units Method Reference Comment
Deltar240. ± 67.kJ/molIMRBSheldon, Currie, et al., 1985gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar259. ± 12.kJ/molCIDTSquires, 1992gas phase; Dissociative protonation between HCl, MeCHClCO2H; B
Deltar>213. ± 13.kJ/molIMRBHierl and Paulson, 1984gas phase; CO2..HO- + SO2 ->. data revised per 92SQU; B

HO2S+ + Sulfur dioxide = (HO2S+ bullet Sulfur dioxide)

By formula: HO2S+ + O2S = (HO2S+ bullet O2S)

Quantity Value Units Method Reference Comment
Deltar89.1kJ/molPHPMSSzulejko and McMahon, 1992gas phase; M
Deltar97.1kJ/molPHPMSMcMahon and Kebarle, 1986gas phase; M
Quantity Value Units Method Reference Comment
Deltar108.J/mol*KPHPMSSzulejko and McMahon, 1992gas phase; M
Deltar115.J/mol*KPHPMSMcMahon and Kebarle, 1986gas phase; M

HO4S- + Sulfur dioxide = (HO4S- bullet Sulfur dioxide)

By formula: HO4S- + O2S = (HO4S- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar57.3kJ/molHPMSKeesee and Castleman, 1986gas phase; M
Quantity Value Units Method Reference Comment
Deltar109.J/mol*KHPMSKeesee and Castleman, 1986gas phase; M

(Hydronium cation bullet 3Water) + Sulfur dioxide = (Hydronium cation bullet Sulfur dioxide bullet 3Water)

By formula: (H3O+ bullet 3H2O) + O2S = (H3O+ bullet O2S bullet 3H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
18.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(Hydronium cation bullet 4Water) + Sulfur dioxide = (Hydronium cation bullet Sulfur dioxide bullet 4Water)

By formula: (H3O+ bullet 4H2O) + O2S = (H3O+ bullet O2S bullet 4H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
11.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M
11.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

Hydronium cation + Sulfur dioxide = (Hydronium cation bullet Sulfur dioxide)

By formula: H3O+ + O2S = (H3O+ bullet O2S)

Quantity Value Units Method Reference Comment
Deltar92.0kJ/molPHPMSSzulejko and McMahon, 1992gas phase; M
Quantity Value Units Method Reference Comment
Deltar95.0J/mol*KPHPMSSzulejko and McMahon, 1992gas phase; M

(NH4+ bullet Water) + Sulfur dioxide = (NH4+ bullet Sulfur dioxide bullet Water)

By formula: (H4N+ bullet H2O) + O2S = (H4N+ bullet O2S bullet H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
27.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(NH4+ bullet 2Water) + Sulfur dioxide = (NH4+ bullet Sulfur dioxide bullet 2Water)

By formula: (H4N+ bullet 2H2O) + O2S = (H4N+ bullet O2S bullet 2H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
21.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(NH4+ bullet 3Water) + Sulfur dioxide = (NH4+ bullet Sulfur dioxide bullet 3Water)

By formula: (H4N+ bullet 3H2O) + O2S = (H4N+ bullet O2S bullet 3H2O)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
15.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(Iodide bullet Water) + Sulfur dioxide = (Iodide bullet Sulfur dioxide bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar37.7 ± 0.42kJ/molTDAsBanic and Iribarne, 1985gas phase; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
30.300.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

Iodide + Sulfur dioxide = (Iodide bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar59.8 ± 8.4kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B,M
Deltar53.97 ± 0.42kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar73.6J/mol*KPHPMSCaldwell and Kebarle, 1985gas phase; M
Deltar84.5J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar38. ± 11.kJ/molTDAsCaldwell and Kebarle, 1985gas phase; B
Deltar7.11 ± 0.42kJ/molTDAsBanic and Iribarne, 1985gas phase; B
Deltar28.5 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
38.301.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(Iodide bullet Sulfur dioxide bullet Water) + Sulfur dioxide = (Iodide bullet 2Sulfur dioxide bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar29.7 ± 0.42kJ/molTDAsBanic and Iribarne, 1985gas phase; B

(Iodide bullet Sulfur dioxide) + Sulfur dioxide = (Iodide bullet 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar42.26 ± 0.42kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar90.4J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar15.1 ± 1.3kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(Iodide bullet 2Sulfur dioxide) + Sulfur dioxide = (Iodide bullet 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar38.5 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar103.J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar7.5 ± 2.5kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

Nitric oxide anion + Sulfur dioxide = (Nitric oxide anion bullet Sulfur dioxide)

By formula: NO- + O2S = (NO- bullet O2S)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
33.296.SAMSVanderhoff and Heimerl, 1977gas phase; switching reaction(NO+)NO; Puckett and Teague, 1971; M

Nitrogen oxide anion + Sulfur dioxide = (Nitrogen oxide anion bullet Sulfur dioxide)

By formula: NO2- + O2S = (NO2- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar108.4 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar102. ± 4.2kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..NO2-, Keesee, Lee, et al., 1980; B,M
Quantity Value Units Method Reference Comment
Deltar154.J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Deltar132.J/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(NO2-)H2O, Entropy change calculated or estimated; Lee, Keesee, et al., 1980; M
Quantity Value Units Method Reference Comment
Deltar62.3 ± 1.3kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(Nitrogen oxide anion bullet Sulfur dioxide) + Sulfur dioxide = (Nitrogen oxide anion bullet 2Sulfur dioxide)

By formula: (NO2- bullet O2S) + O2S = (NO2- bullet 2O2S)

Quantity Value Units Method Reference Comment
Deltar37.7 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar41.kJ/molHPMSWlodek, Luczynski, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar90.0J/mol*KHPMSWlodek, Luczynski, et al., 1983gas phase; M
Deltar70.3J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar16.7 ± 1.7kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(Nitrogen oxide anion bullet 2Sulfur dioxide) + Sulfur dioxide = (Nitrogen oxide anion bullet 3Sulfur dioxide)

By formula: (NO2- bullet 2O2S) + O2S = (NO2- bullet 3O2S)

Quantity Value Units Method Reference Comment
Deltar27.6 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar56.1J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar10.9 ± 3.3kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(NO3 anion bullet Water) + Sulfur dioxide = (NO3 anion bullet Sulfur dioxide bullet Water)

By formula: (NO3- bullet H2O) + O2S = (NO3- bullet O2S bullet H2O)

Quantity Value Units Method Reference Comment
Deltar30.kJ/molHPMSBanic and Iribarne, 1985gas phase; From thermochemical cycle,switching reaction, electric fields; M

NO3 anion + Sulfur dioxide = (NO3 anion bullet Sulfur dioxide)

By formula: NO3- + O2S = (NO3- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar72.0 ± 8.4kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..NO3-, Keesee, Lee, et al., 1980; B,M
Deltar76.1 ± 5.0kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar105.J/mol*KN/ABohringer, Fahey, et al., 1984gas phase; switching reaction(NO3-)H2O, Entropy change calculated or estimated; Lee, Keesee, et al., 1980; M
Deltar132.J/mol*KHPMSWlodek, Luczynski, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar40. ± 8.4kJ/molTDEqBohringer, Fahey, et al., 1984gas phase; Relative to HOH..NO3-, Keesee, Lee, et al., 1980; B,M
Deltar41.84 ± 0.42kJ/molTDAsBanic and Iribarne, 1985gas phase; B
Deltar36.8 ± 3.8kJ/molTDAsWlodek, Luczynski, et al., 1983gas phase; B
Deltar44.4kJ/molFAFehsenfeld and Ferguson, 1974gas phase; switching reaction(NO3-)SO2, Entropy change calculated or estimated; Lee, Keesee, et al., 1980; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
41.8299.HPMSBanic and Iribarne, 1985gas phase; electric fields; M

(NO3 anion bullet Sulfur dioxide) + Sulfur dioxide = (NO3 anion bullet 2Sulfur dioxide)

By formula: (NO3- bullet O2S) + O2S = (NO3- bullet 2O2S)

Quantity Value Units Method Reference Comment
Deltar37.kJ/molHPMSWlodek, Luczynski, et al., 1983gas phase; Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar59.0J/mol*KHPMSWlodek, Luczynski, et al., 1983gas phase; Entropy change is questionable; M

(Sodium ion (1+) bullet Water) + Sulfur dioxide = (Sodium ion (1+) bullet Sulfur dioxide bullet Water)

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

Quantity Value Units Method Reference Comment
Deltar59.0kJ/molHPMSUpschulte, Schelling, et al., 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar72.8J/mol*KHPMSUpschulte, Schelling, et al., 1984gas phase; M

(Sodium ion (1+) bullet 3Water) + Sulfur dioxide = (Sodium ion (1+) bullet Sulfur dioxide bullet 3Water)

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

Quantity Value Units Method Reference Comment
Deltar20.kJ/molHPMSBanic and Iribarne, 1985gas phase; electric fields; M

Sodium ion (1+) + Sulfur dioxide = (Sodium ion (1+) bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar79.1kJ/molFAPerry, Rowe, et al., 1980gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar84.9J/mol*KN/APerry, Rowe, et al., 1980gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar53.6kJ/molFAPerry, Rowe, et al., 1980gas phase; Entropy change calculated or estimated; M

(Sodium ion (1+) bullet Sulfur dioxide) + Sulfur dioxide = (Sodium ion (1+) bullet 2Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar69.5kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar107.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

(Sodium ion (1+) bullet 2Sulfur dioxide) + Sulfur dioxide = (Sodium ion (1+) bullet 3Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar59.8kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Deltar113.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

(Sodium ion (1+) bullet 3Sulfur dioxide) + Sulfur dioxide = (Sodium ion (1+) bullet 4Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar51.5kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Deltar110.J/mol*KN/ACastleman, Peterson, et al., 1983gas phase; Entropy change calculated or estimated; M

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
13.328.HPMSCastleman, Peterson, et al., 1983gas phase; Entropy change calculated or estimated; M

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

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

Quantity Value Units Method Reference Comment
Deltar250.kJ/molFAFehsenfeld and Ferguson, 1974gas phase; switching reaction(O-)CO2, «DELTA»rH>; Hiller and Vestal, 1980, Keesee and Castleman, 1986; M

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

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

Quantity Value Units Method Reference Comment
Deltar55.6kJ/molHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar79.1J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M

OS+ + Sulfur dioxide = (OS+ bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar57.7kJ/molPIErickson and Ng, 1981gas phase; M

Oxygen cation + Sulfur dioxide = (Oxygen cation bullet Sulfur dioxide)

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

Quantity Value Units Method Reference Comment
Deltar40.kJ/molFAAdams and Bohme, 1970gas phase; switching reaction(O2+)O2; Conway and Janik, 1970; M

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

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

Quantity Value Units Method Reference Comment
Deltar63.6kJ/molPIErickson and Ng, 1981gas phase; M

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

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

Quantity Value Units Method Reference Comment
Deltar100.4 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B,M
Deltar89.1 ± 5.4kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Deltar77.40kJ/molN/ADresch, Kramer, et al., 1991gas phase; Both dissociation and electron detachment?; B
Deltar76.57kJ/molN/ASnodgrass, Coe, et al., 1988gas phase; Appears to be dissociation + electron detachment; B
Quantity Value Units Method Reference Comment
Deltar141.J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar58.2 ± 1.7kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B
Deltar43.5 ± 9.2kJ/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
Deltar15.9 ± 3.8kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar4.60 ± 0.84kJ/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
Deltar13.4 ± 2.5kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.9 ± 0.84kJ/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
Deltar15.5 ± 2.9kJ/molTDAsVacher, Leduc, et al., 1994gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.5 ± 0.84kJ/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
Deltar33.9 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Deltar35.kJ/molHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar66.9J/mol*KHPMSKeesee, Lee, et al., 1980gas phase; M
Quantity Value Units Method Reference Comment
Deltar16.3 ± 0.84kJ/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
Deltar26.8 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar12.6 ± 0.84kJ/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
Deltar22.6 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar9.20 ± 0.84kJ/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
Deltar17.6 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar5.02 ± 0.84kJ/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
Deltar15.1 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar3.8 ± 0.84kJ/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
Deltar14.2 ± 0.84kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.1 ± 0.84kJ/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
Deltar14.2 ± 1.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1. ± 5.0kJ/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
Deltar12.6 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar1. ± 6.3kJ/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
Deltar12.6 ± 2.5kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar0.4 ± 9.6kJ/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
Deltar19.2 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar10. ± 8.4kJ/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
Deltar15.1 ± 1.7kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar6. ± 13.kJ/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
Deltar46.0 ± 4.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar26. ± 9.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

O3S- + Sulfur dioxide = (O3S- bullet Sulfur dioxide)

By formula: O3S- + O2S = (O3S- bullet O2S)

Quantity Value Units Method Reference Comment
Deltar55.65 ± 0.42kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B
Quantity Value Units Method Reference Comment
Deltar31.8 ± 0.84kJ/molTDAsKeesee, Lee, et al., 1980gas phase; B

(O3S- bullet Sulfur dioxide bullet Oxygen) + Sulfur dioxide = (O3S- bullet 2Sulfur dioxide bullet Oxygen)

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

Quantity Value Units Method Reference Comment
Deltar23.8 ± 2.5kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar15. ± 8.8kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

(O3S- bullet Oxygen) + Sulfur dioxide = (O3S- bullet Sulfur dioxide bullet Oxygen)

By formula: (O3S- bullet O2) + O2S = (O3S- bullet O2S bullet O2)

Quantity Value Units Method Reference Comment
Deltar27.2 ± 3.3kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Deltar18. ± 9.2kJ/molTDAsVacher, Jorda, et al., 1992gas phase; B

O4S- + Sulfur dioxide = (O4S- bullet Sulfur dioxide)

By formula: O4S- + O2S = (O4S- bullet O2S)

Free energy of reaction

DeltarG° (kJ/mol) T (K) Method Reference Comment
28.296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(SO4-)H2O; M

References

Go To: Top, Ion clustering data, Notes

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

Caldwell and Kebarle, 1985
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McMahon, Heinis, et al., 1988
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Grover, Walters, et al., 1985
Grover, J.R.; Walters, E.A.; Newman, J.K.; White, M.G., Measurement of the Dissociation Energies of Gas - Phase Neutral Dimers by a Photoionization Technique: Values for trans - 2 - Butene/Sulfur Dioxide , (trans - 2 - Butene)2, and Benzene/Sulfur Dioxide, J. Am. Chem. Soc., 1985, 107, 25, 7329, https://doi.org/10.1021/ja00311a020 . [all data]

Upschulte, Schelling, et al., 1984
Upschulte, B.L.; Schelling, F.J.; Keesee, R.G.; Castleman, A.W., Thermochemical Properties of Gas Phase Mixed Clusters: Water and Sulfur Dioxide with Na+ and Cl-, Chem. Phys. Lett., 1984, 111, 4-5, 389, https://doi.org/10.1016/0009-2614(84)85526-8 . [all data]

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Larson, J.W.; McMahon, T.B., Fluoride and chloride affinities of the main group oxides, fluorides, oxofluorides, and alkyls. Quantitative scales of lewis acidities from ICR halide exchange equilibria, J. Am. Chem. Soc., 1985, 107, 766. [all data]

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French, M.A.; Ikuta, S.; Kebarle, P., Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-, Can. J. Chem., 1982, 60, 1907. [all data]

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Notes

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