Oxygen anion


Reaction thermochemistry data

Go To: Top, Gas phase ion energetics 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

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Individual Reactions

Oxygen anion + Oxygen = (Oxygen anion • Oxygen)

By formula: O2- + O2 = (O2- • O2)

Quantity Value Units Method Reference Comment
Δr12. ± 4.kcal/molAVGN/AAverage of 5 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Δr24.4cal/mol*KPHPMSHiraoka, 1988gas phase; M
Δr32.cal/mol*KPHPMSConway and Nesbit, 1968gas phase; M
Quantity Value Units Method Reference Comment
Δr3.2 ± 1.1kcal/molTDAsHiraoka, 1888gas phase; see also Sherwood, Hanold, et al., 1996. Aquino, Taylor, et al., 2001 calns indicate rectangular anion; B
Δr5.4 ± 1.0kcal/molIMREPayzant J.D. and Kebarle, 1972gas phase; B
Δr3.2 ± 1.0kcal/molIMREPack and Phelps, 1971gas phase; B
Δr4.00 ± 0.50kcal/molIMREParkes, 1971gas phase; B
Δr3.8 ± 1.0kcal/molTDAsConway and Nesbit, 1968gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.5300.DTPack and Phelps, 1971gas phase; M

Oxygen anion + Carbon dioxide = (Oxygen anion • Carbon dioxide)

By formula: O2- + CO2 = (O2- • CO2)

Quantity Value Units Method Reference Comment
Δr19.00 ± 0.20kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Δr17.7 ± 1.8kcal/molIMREPack and Phelps, 1966gas phase; Corrected with more recent EA(O2) = 0.45 eV; B,M
Δr25.4 ± 4.6kcal/molPDisVestal and Mauclaire, 1977gas phase; B
Quantity Value Units Method Reference Comment
Δr24.2cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Δr21.cal/mol*KDTPack and Phelps, 1966gas phase; M
Quantity Value Units Method Reference Comment
Δr11.7 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B
Δr12.2 ± 1.2kcal/molIMREPack and Phelps, 1966gas phase; Corrected with more recent EA(O2) = 0.45 eV; B
Δr10.0kcal/molFAAdams and Bohme, 1970gas phase; switching reaction(O2-)O2; Conway and Nesbit, 1968; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
12.9296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(O2-)H2O; Arshadi and Kebarle, 1970; M

(Oxygen anion • Water) + Water = (Oxygen anion • 2Water)

By formula: (O2- • H2O) + H2O = (O2- • 2H2O)

Quantity Value Units Method Reference Comment
Δr17.2 ± 1.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr25.1cal/mol*KPHPMSArshadi and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr9.70kcal/molTDAsArshadi and Kebarle, 1970gas phase; B
Δr8.5 ± 1.0kcal/molIMREPayzant J.D. and Kebarle, 1972gas phase; B
Δr9.7 ± 1.0kcal/molIMREPack and Phelps, 1971gas phase; B

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.4300.PHPMSPayzant J.D. and Kebarle, 1972gas phase; M

(Oxygen anion • 2Water) + Water = (Oxygen anion • 3Water)

By formula: (O2- • 2H2O) + H2O = (O2- • 3H2O)

Quantity Value Units Method Reference Comment
Δr15.4 ± 1.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr28.2cal/mol*KPHPMSArshadi and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr7.00kcal/molTDAsArshadi and Kebarle, 1970gas phase; B
Δr6.1 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.3296.FAFehsenfeld and Ferguson, 1974gas phase; M
7.1300.PHPMSPayzant J.D. and Kebarle, 1972gas phase; M

Oxygen anion + Water = (Oxygen anion • Water)

By formula: O2- + H2O = (O2- • H2O)

Quantity Value Units Method Reference Comment
Δr22.3 ± 1.5kcal/molN/ALuong, Clements, et al., 2001gas phase; Vertical Detachment Energy: 2.03±0.05 eV.; B
Δr18.4 ± 2.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B,M
Quantity Value Units Method Reference Comment
Δr20.1cal/mol*KPHPMSArshadi and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
Δr12.5 ± 2.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B
Δr11.7 ± 2.0kcal/molIMREParkes, 1971gas phase; B

(Oxygen anion • 7Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 8Nitrogen • Oxygen)

By formula: (O2- • 7N2 • O2) + N2 = (O2- • 8N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.6 ± 0.3kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Δr1.53kcal/molPHPMSHiraoka, 1988, 2gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr17.9cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M
Δr18.0cal/mol*KN/AHiraoka, 1988, 2gas phase; Entropy change calculated or estimated; M

(Oxygen anion • 2Nitrous oxide) + Nitrous oxide = (Oxygen anion • 3Nitrous oxide)

By formula: (O2- • 2N2O) + N2O = (O2- • 3N2O)

Quantity Value Units Method Reference Comment
Δr6.40 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr-0.8 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B

(Oxygen anion • 3Nitrous oxide) + Nitrous oxide = (Oxygen anion • 4Nitrous oxide)

By formula: (O2- • 3N2O) + N2O = (O2- • 4N2O)

Quantity Value Units Method Reference Comment
Δr5.70 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.5 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B

(Oxygen anion • 4Nitrous oxide) + Nitrous oxide = (Oxygen anion • 5Nitrous oxide)

By formula: (O2- • 4N2O) + N2O = (O2- • 5N2O)

Quantity Value Units Method Reference Comment
Δr5.30 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.9 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B

(Oxygen anion • 5Nitrous oxide) + Nitrous oxide = (Oxygen anion • 6Nitrous oxide)

By formula: (O2- • 5N2O) + N2O = (O2- • 6N2O)

Quantity Value Units Method Reference Comment
Δr5.00 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr-2.2 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B

(Oxygen anion • Nitrous oxide) + Nitrous oxide = (Oxygen anion • 2Nitrous oxide)

By formula: (O2- • N2O) + N2O = (O2- • 2N2O)

Quantity Value Units Method Reference Comment
Δr8.70 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
Δr27.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr0.6 ± 1.0kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B

(Oxygen anion • 2Methyl Alcohol) + Methyl Alcohol = (Oxygen anion • 3Methyl Alcohol)

By formula: (O2- • 2CH4O) + CH4O = (O2- • 3CH4O)

Quantity Value Units Method Reference Comment
Δr13.50 ± 0.70kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr27.9cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr5.20 ± 0.30kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Oxygen anion • 2Acetonitrile) + Acetonitrile = (Oxygen anion • 3Acetonitrile)

By formula: (O2- • 2C2H3N) + C2H3N = (O2- • 3C2H3N)

Quantity Value Units Method Reference Comment
Δr11.90 ± 0.60kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.7cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr4.50 ± 0.20kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

Oxygen anion + Nitrous oxide = (Oxygen anion • Nitrous oxide)

By formula: O2- + N2O = (O2- • N2O)

Quantity Value Units Method Reference Comment
Δr<13.60kcal/molIMRBAdams and Bohme, 1970gas phase; N2O..O2- + O2 -> O4- + N2O; B
Δr8.8kcal/molPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr27.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M

(Oxygen anion • 3Acetonitrile) + Acetonitrile = (Oxygen anion • 4Acetonitrile)

By formula: (O2- • 3C2H3N) + C2H3N = (O2- • 4C2H3N)

Quantity Value Units Method Reference Comment
Δr9.50 ± 0.50kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.4cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr2.80 ± 0.10kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Oxygen anion • Methyl Alcohol) + Methyl Alcohol = (Oxygen anion • 2Methyl Alcohol)

By formula: (O2- • CH4O) + CH4O = (O2- • 2CH4O)

Quantity Value Units Method Reference Comment
Δr15.50 ± 0.80kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr24.8cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr8.10 ± 0.40kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Oxygen anion • Acetonitrile) + Acetonitrile = (Oxygen anion • 2Acetonitrile)

By formula: (O2- • C2H3N) + C2H3N = (O2- • 2C2H3N)

Quantity Value Units Method Reference Comment
Δr14.20 ± 0.70kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr22.0cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr7.70 ± 0.40kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Oxygen anion • 2Carbon dioxide) + Carbon dioxide = (Oxygen anion • 3Carbon dioxide)

By formula: (O2- • 2CO2) + CO2 = (O2- • 3CO2)

Quantity Value Units Method Reference Comment
Δr6.3 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
Δr23.0cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr-0.6 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B

(Oxygen anion • 3Carbon dioxide) + Carbon dioxide = (Oxygen anion • 4Carbon dioxide)

By formula: (O2- • 3CO2) + CO2 = (O2- • 4CO2)

Quantity Value Units Method Reference Comment
Δr4.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
Δr18.7cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr-0.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B

(Oxygen anion • 4Carbon dioxide) + Carbon dioxide = (Oxygen anion • 5Carbon dioxide)

By formula: (O2- • 4CO2) + CO2 = (O2- • 5CO2)

Quantity Value Units Method Reference Comment
Δr4.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
Δr18.4cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.1 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B

(Oxygen anion • 5Carbon dioxide) + Carbon dioxide = (Oxygen anion • 6Carbon dioxide)

By formula: (O2- • 5CO2) + CO2 = (O2- • 6CO2)

Quantity Value Units Method Reference Comment
Δr4.2 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
Δr19.0cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B

(Oxygen anion • 6Carbon dioxide) + Carbon dioxide = (Oxygen anion • 7Carbon dioxide)

By formula: (O2- • 6CO2) + CO2 = (O2- • 7CO2)

Quantity Value Units Method Reference Comment
Δr4.0 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
Δr19.3cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr-1.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B

(Oxygen anion • Carbon dioxide) + Carbon dioxide = (Oxygen anion • 2Carbon dioxide)

By formula: (O2- • CO2) + CO2 = (O2- • 2CO2)

Quantity Value Units Method Reference Comment
Δr6.60 ± 0.20kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
Δr18.2cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr1.1 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B

Oxygen anion + Methyl Alcohol = (Oxygen anion • Methyl Alcohol)

By formula: O2- + CH4O = (O2- • CH4O)

Quantity Value Units Method Reference Comment
Δr19.10kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr21.9cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr12.50kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

Oxygen anion + Acetonitrile = (Oxygen anion • Acetonitrile)

By formula: O2- + C2H3N = (O2- • C2H3N)

Quantity Value Units Method Reference Comment
Δr16.40kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
Δr17.4cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr11.20kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B

(Oxygen anion • 6Oxygen) + Oxygen = (Oxygen anion • 7Oxygen)

By formula: (O2- • 6O2) + O2 = (O2- • 7O2)

Quantity Value Units Method Reference Comment
Δr1.40kcal/molPHPMSHiraoka, 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr16.cal/mol*KN/AHiraoka, 1988gas phase; Entropy change calculated or estimated; M

Oxygen anion + Nitrogen = (Oxygen anion • Nitrogen)

By formula: O2- + N2 = (O2- • N2)

Quantity Value Units Method Reference Comment
Δr6.0 ± 1.0kcal/molN/APosey and Johnson, 1988gas phase; B
Δr<13.60kcal/molIMRBAdams and Bohme, 1970gas phase; N2..O2- + O2 -> O4-; B

Oxygen anion + Carbon monoxide = (Oxygen anion • Carbon monoxide)

By formula: O2- + CO = (O2- • CO)

Quantity Value Units Method Reference Comment
Δr<13.60kcal/molIMRBAdams and Bohme, 1970gas phase; CO..O2- + O2 -> O4- + CO. G3MP2B3 calculations indicate a HOF(A-) ca. -38 kcal/mol; B

(Oxygen anion • 2Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 3Nitrogen • Oxygen)

By formula: (O2- • 2N2 • O2) + N2 = (O2- • 3N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.5 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr18.3cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • 3Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 4Nitrogen • Oxygen)

By formula: (O2- • 3N2 • O2) + N2 = (O2- • 4N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.2 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr18.7cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • 4Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 5Nitrogen • Oxygen)

By formula: (O2- • 4N2 • O2) + N2 = (O2- • 5N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.9 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr19.5cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • 5Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 6Nitrogen • Oxygen)

By formula: (O2- • 5N2 • O2) + N2 = (O2- • 6N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.8 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr19.5cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • 6Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 7Nitrogen • Oxygen)

By formula: (O2- • 6N2 • O2) + N2 = (O2- • 7N2 • O2)

Quantity Value Units Method Reference Comment
Δr1.7 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr18.8cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • Nitrogen • Oxygen) + Nitrogen = (Oxygen anion • 2Nitrogen • Oxygen)

By formula: (O2- • N2 • O2) + N2 = (O2- • 2N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.8 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr17.9cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • 4294967295Oxygen, atomic) + Oxygen, atomic = Oxygen anion

By formula: (O2- • 4294967295O) + O = O2-

Quantity Value Units Method Reference Comment
Δr95.78kcal/molN/AErvin, Anusiewicz, et al., 2003gas phase; B
Δr95.8 ± 1.0kcal/molTherTravers, Cowles, et al., 1989gas phase; B

Oxygen anion + Hydrogen cation = Hydroperoxy radical

By formula: O2- + H+ = HO2

Quantity Value Units Method Reference Comment
Δr352.99 ± 0.72kcal/molD-EATravers, Cowles, et al., 1989gas phase; B
Quantity Value Units Method Reference Comment
Δr346.67 ± 0.82kcal/molH-TSTravers, Cowles, et al., 1989gas phase; B

(Oxygen anion • Oxygen) + Nitrogen = (Oxygen anion • Nitrogen • Oxygen)

By formula: (O2- • O2) + N2 = (O2- • N2 • O2)

Quantity Value Units Method Reference Comment
Δr2.9 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
Δr16.5cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M

(Oxygen anion • 3Water) + Water = (Oxygen anion • 4Water)

By formula: (O2- • 3H2O) + H2O = (O2- • 4H2O)

Quantity Value Units Method Reference Comment
Δr4.4 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M
Δr3.4kcal/molPHPMSArshadi and Kebarle, 1970gas phase; M

(Oxygen anion • 2Oxygen) + Oxygen = (Oxygen anion • 3Oxygen)

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

Quantity Value Units Method Reference Comment
Δr2.4 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr21.3cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 3Oxygen) + Oxygen = (Oxygen anion • 4Oxygen)

By formula: (O2- • 3O2) + O2 = (O2- • 4O2)

Quantity Value Units Method Reference Comment
Δr1.8 ± 0.3kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr15.4cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 4Oxygen) + Oxygen = (Oxygen anion • 5Oxygen)

By formula: (O2- • 4O2) + O2 = (O2- • 5O2)

Quantity Value Units Method Reference Comment
Δr1.5 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr15.4cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • 5Oxygen) + Oxygen = (Oxygen anion • 6Oxygen)

By formula: (O2- • 5O2) + O2 = (O2- • 6O2)

Quantity Value Units Method Reference Comment
Δr1.5 ± 0.3kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr16.2cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • Oxygen) + Oxygen = (Oxygen anion • 2Oxygen)

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

Quantity Value Units Method Reference Comment
Δr2.5 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
Δr20.9cal/mol*KPHPMSHiraoka, 1988gas phase; M

(Oxygen anion • Water) + Carbon dioxide = (Oxygen anion • Carbon dioxide • Water)

By formula: (O2- • H2O) + CO2 = (O2- • CO2 • H2O)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
8.2296.FAFehsenfeld and Ferguson, 1974gas phase; switching reaction(O2-)2H2O; Arshadi and Kebarle, 1970; M

Oxygen anion + Pyridine = C5H5NO2-

By formula: O2- + C5H5N = C5H5NO2-

Quantity Value Units Method Reference Comment
Δr21.7 ± 2.3kcal/molN/ALe Barbu, Schiedt, et al., 2002gas phase; Affinity is difference in EAs of lesser solvated species; B

Oxygen anion + Benzene = C6H6O2-

By formula: O2- + C6H6 = C6H6O2-

Quantity Value Units Method Reference Comment
Δr14.1 ± 2.3kcal/molN/ALe Barbu, Schiedt, et al., 2002gas phase; Affinity is difference in EAs of lesser solvated species; B

Oxygen anion + Naphthalene = C10H8O2-

By formula: O2- + C10H8 = C10H8O2-

Quantity Value Units Method Reference Comment
Δr22.1 ± 2.3kcal/molN/ALe Barbu, Schiedt, et al., 2002gas phase; Affinity is difference in EAs of lesser solvated species; B

Oxygen anion + Argon = (Oxygen anion • Argon)

By formula: O2- + Ar = (O2- • Ar)

Quantity Value Units Method Reference Comment
Δr1.66kcal/molN/ABowen and Eaton, 1988gas phase; Bound by 70 meV relative to EA(O2-.); B

(Oxygen anion • 4Water) + Water = (Oxygen anion • 5Water)

By formula: (O2- • 4H2O) + H2O = (O2- • 5H2O)

Quantity Value Units Method Reference Comment
Δr3.3 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B

Gas phase ion energetics 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

Protonation reactions

Oxygen anion + Hydrogen cation = Hydroperoxy radical

By formula: O2- + H+ = HO2

Quantity Value Units Method Reference Comment
Δr352.99 ± 0.72kcal/molD-EATravers, Cowles, et al., 1989gas phase
Quantity Value Units Method Reference Comment
Δr346.67 ± 0.82kcal/molH-TSTravers, Cowles, et al., 1989gas phase

References

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

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

Hiraoka, 1988
Hiraoka, K., A Determination of the Stabilities of O2+(O2)n and O2-(O2)n with n = 1 - 8 from Measurements of the Gas-Phase Ion Equilibria, J. Chem. Phys., 1988, 89, 5, 3190, https://doi.org/10.1063/1.454976 . [all data]

Conway and Nesbit, 1968
Conway, D.C.; Nesbit, L.E., Stability of O4-, J. Chem. Phys., 1968, 48, 1, 509, https://doi.org/10.1063/1.1667956 . [all data]

Hiraoka, 1888
Hiraoka, K., A Determination of the Stability of O2+(O2)n and O2-(O2)n with n=1-8 from Measurements of the Gas Phase Ion Equilibria, J. Chem. Phys., 1888, 89, 5, 3190, https://doi.org/10.1063/1.454976 . [all data]

Sherwood, Hanold, et al., 1996
Sherwood, C.R.; Hanold, K.A.; Garner, M.C.; Strong, K.M.; Continetti, R.E., Translational Spectroscopy Studies of the Photodissociation Dynamics of O4-, J. Chem. Phys., 1996, 105, 24, 10803, https://doi.org/10.1063/1.472888 . [all data]

Aquino, Taylor, et al., 2001
Aquino, A.J.A.; Taylor, P.R.; Walch, S.P., Structure, properties, and photodissociation of O-4(-), J. Chem. Phys., 2001, 114, 7, 3010-3017, https://doi.org/10.1063/1.1288379 . [all data]

Payzant J.D. and Kebarle, 1972
Payzant J.D.; Kebarle, P., Kinetics and Reactions Leading to O2-(H2O)n in Moist Oxygen, J. Chem. Phys., 1972, 56, 7, 3482, https://doi.org/10.1063/1.1677723 . [all data]

Pack and Phelps, 1971
Pack, J.L.; Phelps, A.V., Hydration of Oxygen Negative Ions, Bull. Am. Phys. Soc., 1971, 16, 214. [all data]

Parkes, 1971
Parkes, D.A., Electron Attachment and Negative Ion-Molecule Reactions in Pure O2, Trans. Farad. Soc., 1971, 97, 711, https://doi.org/10.1039/tf9716700711 . [all data]

Hiraoka and Yamabe, 1992
Hiraoka, K.; Yamabe, S., Formation of the Chelate Bonds in the Cluster O2(-)(CO2)n, CO3(-)(CO2)n, and NO2(-)(CO2)n, J. Chem. Phys., 1992, 97, 1, 643, https://doi.org/10.1063/1.463560 . [all data]

Pack and Phelps, 1966
Pack, J.L.; Phelps, A.V., Electron Attachment and Detachment . II. Mixtures of O2 and CO2 and of O2 and H2O, J. Chem. Phys., 1966, 45, 11, 4316, https://doi.org/10.1063/1.1727491 . [all data]

Vestal and Mauclaire, 1977
Vestal, M.L.; Mauclaire, G.H., Photodissociaton of negative ions formed in CO2 and CO2/O2 Mixtures, J. Chem. Phys., 1977, 67, 3758. [all data]

Adams and Bohme, 1970
Adams, N.G.; Bohme, D., Flowing Afterglow Studies of Formation and Reactions of Cluster Ions of O2+, O2-, and O-, J. Chem. Phys., 1970, 52, 6, 3133, https://doi.org/10.1063/1.1673449 . [all data]

Fehsenfeld and Ferguson, 1974
Fehsenfeld, F.C.; Ferguson, E.E., Laboratory studies of negative ion reactions with atmospheric trace constituents, J. Chem. Phys., 1974, 61, 3181. [all data]

Arshadi and Kebarle, 1970
Arshadi, M.; Kebarle, P., Hydration of OH- and O2- in the Gas Phase. Comparative Solvation of OH- by Water and the Hydrogen Halides. Effect of Acidity, J. Phys. Chem., 1970, 74, 7, 1483, https://doi.org/10.1021/j100702a015 . [all data]

Kebarle, Arshadi, et al., 1968
Kebarle, P.; Arshadi, M.; Scarborough, J., Hydration of Negative Ions in the Gas Phase, J. Chem. Phys., 1968, 49, 2, 817, https://doi.org/10.1063/1.1670145 . [all data]

Luong, Clements, et al., 2001
Luong, A.K.; Clements, T.G.; Resat, M.S.; Continetti, R.E., Energetics and dissociative photodetachment dynamics of superoxide-water clusters: O-2(-)(H2O)(n), n=1-6, J. Chem. Phys., 2001, 114, 8, 3449-3455, https://doi.org/10.1063/1.1342221 . [all data]

Hiraoka, 1988, 2
Hiraoka, K., Determination of the Stabilities of O3-(N2)n, O3-(O2)n, and O4-(N2)n from Measurements of the Gas Phase Equilibria, Chem. Phys., 1988, 125, 2-3, 439, https://doi.org/10.1016/0301-0104(88)87096-4 . [all data]

Hiraoka, Fujimaki, et al., 1994
Hiraoka, K.; Fujimaki, S.; Aruga, K.; Yamabe, S., Gas-phase clustering reactions of O2(-), NO-, and O- with N2O: Isomeric structures for (NO-N2O)(-), J. Phys. Chem., 1994, 98, 34, 8295, https://doi.org/10.1021/j100085a006 . [all data]

Yamdagni, Payzant, et al., 1973
Yamdagni, R.; Payzant, J.D.; Kebarle, P., Solvation of Cl- and O2- with H2O, CH3OH, and CH3CN in the gas phase, Can. J. Chem., 1973, 51, 2507. [all data]

Posey and Johnson, 1988
Posey, L.A.; Johnson, M.A., Pulsed Photoelectron Spectroscopy of Negative Cluster Ions: Isolation of Three Distinguishable Forms of N2O2-, J. Chem. Phys., 1988, 88, 9, 5385, https://doi.org/10.1063/1.454576 . [all data]

Ervin, Anusiewicz, et al., 2003
Ervin, K.M.; Anusiewicz, W.; Skurski, P.; Simons, J.; Lineberger, W.C., The only stable state of O-2(-) is the X (2)Pi(g) ground state and it (still!) has an adiabatic electron detachment energy of, J. Phys. Chem. A, 2003, 107, 41, 8521-8529, https://doi.org/10.1021/jp0357323 . [all data]

Travers, Cowles, et al., 1989
Travers, M.J.; Cowles, D.C.; Ellison, G.B., Reinvestigation of the Electron Affinities of O2 and NO, Chem. Phys. Lett., 1989, 164, 5, 449, https://doi.org/10.1016/0009-2614(89)85237-6 . [all data]

Le Barbu, Schiedt, et al., 2002
Le Barbu, K.; Schiedt, J.; Weinkauf, R.; Schlag, E.W.; Nilles, J.M.; Xu, S.J.; Thomas, O.C.; Bowen, K.H., Microsolvation of small anions by aromatic molecules: An exploratory study, J. Chem. Phys., 2002, 116, 22, 9663-9671, https://doi.org/10.1063/1.1475750 . [all data]

Bowen and Eaton, 1988
Bowen, K.H.; Eaton, J.G., Photodetachment Spectroscopy of Negative Cluster Ions, in The Structure of Small Molecules and Ions, Ed. R. Naaman, Z. Vager, Plenum NY, 1988, 1988, p.147-169. [all data]


Notes

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