Oxygen anion

Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, 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

Quantity Value Units Method Reference Comment
ΔfH°gas-10.33 ± 0.14kcal/molR-EAErvin, Anusiewicz, et al., 2003B
Quantity Value Units Method Reference Comment
S°gas,1 bar50.093cal/mol*KReviewChase, 1998Data last reviewed in September, 1977

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, 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

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

Oxygen anion + Oxygen = (Oxygen anion • Oxygen)

By formula: O2- + O2 = (O2- • O2)

Quantity Value Units Method Reference Comment
ΔrH°12. ± 4.kcal/molAVGN/AAverage of 5 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
ΔrS°24.4cal/mol*KPHPMSHiraoka, 1988gas phase; M
ΔrS°32.cal/mol*KPHPMSConway and Nesbit, 1968gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°3.2 ± 1.1kcal/molTDAsHiraoka, 1888gas phase; see also Sherwood, Hanold, et al., 1996. Aquino, Taylor, et al., 2001 calns indicate rectangular anion; B
ΔrG°5.4 ± 1.0kcal/molIMREPayzant J.D. and Kebarle, 1972gas phase; B
ΔrG°3.2 ± 1.0kcal/molIMREPack and Phelps, 1971gas phase; B
ΔrG°4.00 ± 0.50kcal/molIMREParkes, 1971gas phase; B
ΔrG°3.8 ± 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
ΔrH°19.00 ± 0.20kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
ΔrH°17.7 ± 1.8kcal/molIMREPack and Phelps, 1966gas phase; Corrected with more recent EA(O2) = 0.45 eV; B,M
ΔrH°25.4 ± 4.6kcal/molPDisVestal and Mauclaire, 1977gas phase; B
Quantity Value Units Method Reference Comment
ΔrS°24.2cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
ΔrS°21.cal/mol*KDTPack and Phelps, 1966gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°11.7 ± 2.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B
ΔrG°12.2 ± 1.2kcal/molIMREPack and Phelps, 1966gas phase; Corrected with more recent EA(O2) = 0.45 eV; B
ΔrG°10.0kcal/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
ΔrH°17.2 ± 1.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°25.1cal/mol*KPHPMSArshadi and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°9.70kcal/molTDAsArshadi and Kebarle, 1970gas phase; B
ΔrG°8.5 ± 1.0kcal/molIMREPayzant J.D. and Kebarle, 1972gas phase; B
ΔrG°9.7 ± 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
ΔrH°15.4 ± 1.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°28.2cal/mol*KPHPMSArshadi and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°7.00kcal/molTDAsArshadi and Kebarle, 1970gas phase; B
ΔrG°6.1 ± 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
ΔrH°22.3 ± 1.5kcal/molN/ALuong, Clements, et al., 2001gas phase; Vertical Detachment Energy: 2.03±0.05 eV.; B
ΔrH°18.4 ± 2.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°20.1cal/mol*KPHPMSArshadi and Kebarle, 1970gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°12.5 ± 2.0kcal/molTDAsArshadi and Kebarle, 1970gas phase; B
ΔrG°11.7 ± 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
ΔrH°1.6 ± 0.3kcal/molPHPMSHiraoka, 1988, 2gas phase; M
ΔrH°1.53kcal/molPHPMSHiraoka, 1988, 2gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°17.9cal/mol*KPHPMSHiraoka, 1988, 2gas phase; M
ΔrS°18.0cal/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
ΔrH°6.40 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°5.70 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°5.30 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°5.00 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°8.70 ± 0.20kcal/molTDAsHiraoka, Fujimaki, et al., 1994gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°27.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°0.6 ± 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
ΔrH°13.50 ± 0.70kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°27.9cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°5.20 ± 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
ΔrH°11.90 ± 0.60kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.7cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°4.50 ± 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
ΔrH°<13.60kcal/molIMRBAdams and Bohme, 1970gas phase; N2O..O2- + O2 -> O4- + N2O; B
ΔrH°8.8kcal/molPHPMSHiraoka, Fujimaki, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°27.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
ΔrH°9.50 ± 0.50kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.4cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°2.80 ± 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
ΔrH°15.50 ± 0.80kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°24.8cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°8.10 ± 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
ΔrH°14.20 ± 0.70kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°22.0cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°7.70 ± 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
ΔrH°6.3 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°23.0cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°4.8 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°18.7cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°4.5 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°18.4cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°4.2 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°19.0cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°4.0 ± 1.0kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°19.3cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°-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
ΔrH°6.60 ± 0.20kcal/molTDAsHiraoka and Yamabe, 1992gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°18.2cal/mol*KPHPMSHiraoka and Yamabe, 1992gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°1.1 ± 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
ΔrH°19.10kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°21.9cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°12.50kcal/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
ΔrH°16.40kcal/molTDAsYamdagni, Payzant, et al., 1973gas phase; B,M
Quantity Value Units Method Reference Comment
ΔrS°17.4cal/mol*KPHPMSYamdagni, Payzant, et al., 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrG°11.20kcal/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
ΔrH°1.40kcal/molPHPMSHiraoka, 1988gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
ΔrS°16.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
ΔrH°6.0 ± 1.0kcal/molN/APosey and Johnson, 1988gas phase; B
ΔrH°<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
ΔrH°<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
ΔrH°2.5 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°18.3cal/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
ΔrH°2.2 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°18.7cal/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
ΔrH°1.9 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°19.5cal/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
ΔrH°1.8 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°19.5cal/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
ΔrH°1.7 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°18.8cal/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
ΔrH°2.8 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°17.9cal/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
ΔrH°95.78kcal/molN/AErvin, Anusiewicz, et al., 2003gas phase; B
ΔrH°95.8 ± 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
ΔrH°352.99 ± 0.72kcal/molD-EATravers, Cowles, et al., 1989gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°346.67 ± 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
ΔrH°2.9 ± 0.2kcal/molPHPMSHiraoka, 1988, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°16.5cal/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
ΔrG°4.4 ± 2.0kcal/molTDAsKebarle, Arshadi, et al., 1968gas phase; B,M
ΔrG°3.4kcal/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
ΔrH°2.4 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°21.3cal/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
ΔrH°1.8 ± 0.3kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°15.4cal/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
ΔrH°1.5 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°15.4cal/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
ΔrH°1.5 ± 0.3kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°16.2cal/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
ΔrH°2.5 ± 0.2kcal/molPHPMSHiraoka, 1988gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°20.9cal/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
ΔrH°21.7 ± 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
ΔrH°14.1 ± 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
ΔrH°22.1 ± 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
ΔrH°1.66kcal/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
ΔrG°3.3 ± 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
ΔrH°352.99 ± 0.72kcal/molD-EATravers, Cowles, et al., 1989gas phase
Quantity Value Units Method Reference Comment
ΔrG°346.67 ± 0.82kcal/molH-TSTravers, Cowles, et al., 1989gas phase

References

Go To: Top, Gas phase thermochemistry data, 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.

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]

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

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]

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, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References