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Hydronium cation


Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, References, Notes

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

Quantity Value Units Method Reference Comment
gas,1 bar45.949cal/mol*KReviewChase, 1998Data last reviewed in June, 1966

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry 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: 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.

Reactions 1 to 50

(Hydronium cation bullet 2Water) + Water = (Hydronium cation bullet 3Water)

By formula: (H3O+ bullet 2H2O) + H2O = (H3O+ bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar17.3 ± 0.9kcal/molAVGN/AAverage of 9 out of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar28. ± 2.cal/mol*KAVGN/AAverage of 6 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar9.4kcal/molFABierbaum, Golde, et al., 1976gas phase

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
9.1300.HPMSArifov, Pozharov, et al., 1971gas phase
9.2296.SAMSPuckett and Teague, 1971gas phase
8.4300.PHPMSGood, Durden, et al., 1970gas phase
8.3307.PHPMSGood, Durden, et al., 1970, 2gas phase

Hydronium cation + Water = (Hydronium cation bullet Water)

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar32. ± 2.kcal/molAVGN/AAverage of 7 out of 14 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar28. ± 7.cal/mol*KAVGN/AAverage of 5 out of 7 values; Individual data points

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
8.1300.HPMSArifov, Pozharov, et al., 1971gas phase

(Hydronium cation bullet Water) + Water = (Hydronium cation bullet 2Water)

By formula: (H3O+ bullet H2O) + H2O = (H3O+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar20. ± 1.kcal/molAVGN/AAverage of 7 out of 14 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar22. ± 4.cal/mol*KAVGN/AAverage of 5 out of 7 values; Individual data points

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
8.6300.HPMSArifov, Pozharov, et al., 1971gas phase

(Hydronium cation bullet 3Water) + Water = (Hydronium cation bullet 4Water)

By formula: (H3O+ bullet 3H2O) + H2O = (H3O+ bullet 4H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13. ± 4.kcal/molAVGN/AAverage of 6 out of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar24. ± 5.cal/mol*KAVGN/AAverage of 5 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar5.5kcal/molFABierbaum, Golde, et al., 1976gas phase

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
5.8293.ES/HPMSKlassen, Blades, et al., 1995gas phase
5.4296.SAMSPuckett and Teague, 1971gas phase
5.0300.PHPMSGood, Durden, et al., 1970gas phase
5.0307.PHPMSGood, Durden, et al., 1970, 2gas phase
7.0300.HPMSArifov, Pozharov, et al., 1971gas phase

(Hydronium cation bullet 4Water) + Water = (Hydronium cation bullet 5Water)

By formula: (H3O+ bullet 4H2O) + H2O = (H3O+ bullet 5H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar12. ± 2.kcal/molAVGN/AAverage of 5 out of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar24. ± 4.cal/mol*KAVGN/AAverage of 4 out of 6 values; Individual data points

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
4.5293.ES/HPMSKlassen, Blades, et al., 1995gas phase

(Hydronium cation bullet 5Water) + Water = (Hydronium cation bullet 6Water)

By formula: (H3O+ bullet 5H2O) + H2O = (H3O+ bullet 6H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.7kcal/molPHPMSLau, Ikuta, et al., 1982gas phase
Deltar11.7kcal/molHPMSKebarle, Searles, et al., 1967gas phase
Deltar16.09kcal/molMKERShi, Ford, et al., 1993gas phase; Entropy change is questionable
Deltar6.7kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar26.1cal/mol*KPHPMSLau, Ikuta, et al., 1982gas phase
Deltar29.6cal/mol*KHPMSKebarle, Searles, et al., 1967gas phase
Deltar82.69cal/mol*KMKERShi, Ford, et al., 1993gas phase; Entropy change is questionable

(Hydronium cation bullet 6Water) + Water = (Hydronium cation bullet 7Water)

By formula: (H3O+ bullet 6H2O) + H2O = (H3O+ bullet 7H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar6.7kcal/molCIDMagnera, David, et al., 1991gas phase
Deltar10.3kcal/molHPMSKebarle, Searles, et al., 1967gas phase
Deltar12.03kcal/molMKERShi, Ford, et al., 1993gas phase; Entropy change is questionable
Quantity Value Units Method Reference Comment
Deltar27.cal/mol*KHPMSKebarle, Searles, et al., 1967gas phase
Deltar52.31cal/mol*KMKERShi, Ford, et al., 1993gas phase; Entropy change is questionable

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

By formula: H3O+ + CO2 = (H3O+ bullet CO2)

Quantity Value Units Method Reference Comment
Deltar14.3kcal/molPHPMSSzulejko and McMahon, 1992gas phase
Deltar15.3kcal/molPHPMSHiraoka, Shoda, et al., 1986gas phase
Deltar14.4kcal/molPHPMSMeot-Ner (Mautner) and Field, 1977gas phase
Quantity Value Units Method Reference Comment
Deltar21.2cal/mol*KPHPMSSzulejko and McMahon, 1992gas phase
Deltar24.6cal/mol*KPHPMSHiraoka, Shoda, et al., 1986gas phase
Deltar20.7cal/mol*KPHPMSMeot-Ner (Mautner) and Field, 1977gas phase

(Hydronium cation bullet 12Water) + Water = (Hydronium cation bullet 13Water)

By formula: (H3O+ bullet 12H2O) + H2O = (H3O+ bullet 13H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.30kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.7kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar37.92cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 13Water) + Water = (Hydronium cation bullet 14Water)

By formula: (H3O+ bullet 13H2O) + H2O = (H3O+ bullet 14H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.60kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.8kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar39.85cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 14Water) + Water = (Hydronium cation bullet 15Water)

By formula: (H3O+ bullet 14H2O) + H2O = (H3O+ bullet 15H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.72kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.7kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar40.38cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 15Water) + Water = (Hydronium cation bullet 16Water)

By formula: (H3O+ bullet 15H2O) + H2O = (H3O+ bullet 16H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.82kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.0kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar42.15cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 16Water) + Water = (Hydronium cation bullet 17Water)

By formula: (H3O+ bullet 16H2O) + H2O = (H3O+ bullet 17H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.76kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.6kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar41.38cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 17Water) + Water = (Hydronium cation bullet 18Water)

By formula: (H3O+ bullet 17H2O) + H2O = (H3O+ bullet 18H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.75kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.3kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar40.62cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 18Water) + Water = (Hydronium cation bullet 19Water)

By formula: (H3O+ bullet 18H2O) + H2O = (H3O+ bullet 19H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.66kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar7.0kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar41.00cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 19Water) + Water = (Hydronium cation bullet 20Water)

By formula: (H3O+ bullet 19H2O) + H2O = (H3O+ bullet 20H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.54kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar9.1kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar39.62cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 20Water) + Water = (Hydronium cation bullet 21Water)

By formula: (H3O+ bullet 20H2O) + H2O = (H3O+ bullet 21H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.43kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar7.3kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar37.46cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 21Water) + Water = (Hydronium cation bullet 22Water)

By formula: (H3O+ bullet 21H2O) + H2O = (H3O+ bullet 22H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.32kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar5.9kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar39.46cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 22Water) + Water = (Hydronium cation bullet 23Water)

By formula: (H3O+ bullet 22H2O) + H2O = (H3O+ bullet 23H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.45kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.4kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar38.92cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 23Water) + Water = (Hydronium cation bullet 24Water)

By formula: (H3O+ bullet 23H2O) + H2O = (H3O+ bullet 24H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.28kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.6kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar37.46cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 24Water) + Water = (Hydronium cation bullet 25Water)

By formula: (H3O+ bullet 24H2O) + H2O = (H3O+ bullet 25H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar10.06kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar7.1kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar36.16cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 10Water) + Water = (Hydronium cation bullet 11Water)

By formula: (H3O+ bullet 10H2O) + H2O = (H3O+ bullet 11H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar9.30kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.7kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar26.92cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 11Water) + Water = (Hydronium cation bullet 12Water)

By formula: (H3O+ bullet 11H2O) + H2O = (H3O+ bullet 12H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar9.83kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.9kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar33.62cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 25Water) + Water = (Hydronium cation bullet 26Water)

By formula: (H3O+ bullet 25H2O) + H2O = (H3O+ bullet 26H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar9.72kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.3kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar32.85cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 26Water) + Water = (Hydronium cation bullet 27Water)

By formula: (H3O+ bullet 26H2O) + H2O = (H3O+ bullet 27H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar9.41kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar8.2kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar30.92cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 9Water) + Water = (Hydronium cation bullet 10Water)

By formula: (H3O+ bullet 9H2O) + H2O = (H3O+ bullet 10H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar8.88kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar6.7kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar25.77cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 8Water) + Water = (Hydronium cation bullet 9Water)

By formula: (H3O+ bullet 8H2O) + H2O = (H3O+ bullet 9H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar8.78kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar5.7kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar26.92cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 7Water) + Water = (Hydronium cation bullet 8Water)

By formula: (H3O+ bullet 7H2O) + H2O = (H3O+ bullet 8H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar9.77kcal/molMKERShi, Ford, et al., 1993gas phase
Deltar5.1kcal/molCIDMagnera, David, et al., 1991gas phase
Quantity Value Units Method Reference Comment
Deltar33.46cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet 2Nitrogen bullet 3Water) + Nitrogen = (Hydronium cation bullet 3Nitrogen bullet 3Water)

By formula: (H3O+ bullet 2N2 bullet 3H2O) + N2 = (H3O+ bullet 3N2 bullet 3H2O)

Quantity Value Units Method Reference Comment
Deltar1.2kcal/molDTGheno and Fitaire, 1987gas phase; «DELTA»rH, «DELTA»rS approximate
Quantity Value Units Method Reference Comment
Deltar6.4cal/mol*KDTGheno and Fitaire, 1987gas phase; «DELTA»rH, «DELTA»rS approximate

(Hydronium cation bullet 3Nitrous oxide) + Nitrous oxide = (Hydronium cation bullet 4Nitrous oxide)

By formula: (H3O+ bullet 3N2O) + N2O = (H3O+ bullet 4N2O)

Quantity Value Units Method Reference Comment
Deltar5.2kcal/molPHPMSHiraoka, Fujimaki, et al., 1994gas phase; Entropy change calculated or estimated
Quantity Value Units Method Reference Comment
Deltar21.cal/mol*KN/AHiraoka, Fujimaki, et al., 1994gas phase; Entropy change calculated or estimated

(Hydronium cation bullet 3Nitrogen bullet 2Water) + Nitrogen = (Hydronium cation bullet 4Nitrogen bullet 2Water)

By formula: (H3O+ bullet 3N2 bullet 2H2O) + N2 = (H3O+ bullet 4N2 bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar3.kcal/molDTGheno and Fitaire, 1987gas phase; «DELTA»rH, «DELTA»rS approximate
Quantity Value Units Method Reference Comment
Deltar12.cal/mol*KDTGheno and Fitaire, 1987gas phase; «DELTA»rH, «DELTA»rS approximate

(Hydronium cation bullet 27Water) + Water = (Hydronium cation bullet 28Water)

By formula: (H3O+ bullet 27H2O) + H2O = (H3O+ bullet 28H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar9.06kcal/molMKERShi, Ford, et al., 1993gas phase
Quantity Value Units Method Reference Comment
Deltar27.77cal/mol*KMKERShi, Ford, et al., 1993gas phase

(Hydronium cation bullet Methane) + Methane = (Hydronium cation bullet 2Methane)

By formula: (H3O+ bullet CH4) + CH4 = (H3O+ bullet 2CH4)

Quantity Value Units Method Reference Comment
Deltar3.4kcal/molHPMSBennet and Field, 1972gas phase; Entropy change is questionable
Quantity Value Units Method Reference Comment
Deltar8.1cal/mol*KHPMSBennet and Field, 1972gas phase; Entropy change is questionable

(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° (kcal/mol) T (K) Method Reference Comment
2.6300.HPMSBanic and Iribarne, 1985gas phase; electric fields
2.6300.HPMSBanic and Iribarne, 1985gas phase; electric fields

(Hydronium cation bullet 2Nitrogen bullet 2Water) + Nitrogen = (Hydronium cation bullet 3Nitrogen bullet 2Water)

By formula: (H3O+ bullet 2N2 bullet 2H2O) + N2 = (H3O+ bullet 3N2 bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar9.0 ± 2.7kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar28.4cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet 2Water) + Hydrogen cyanide = (Hydronium cation bullet Hydrogen cyanide bullet 2Water)

By formula: (H3O+ bullet 2H2O) + CHN = (H3O+ bullet CHN bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar19.8kcal/molPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n
Quantity Value Units Method Reference Comment
Deltar29.3cal/mol*KPHPMSMeot-Ner (Mautner) and Speller, 1989gas phase; n

(Hydronium cation bullet 2Nitrogen bullet Water) + Nitrogen = (Hydronium cation bullet 3Nitrogen bullet Water)

By formula: (H3O+ bullet 2N2 bullet H2O) + N2 = (H3O+ bullet 3N2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar8. ± 2.kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar22.cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet Nitrogen bullet 2Water) + Nitrogen = (Hydronium cation bullet 2Nitrogen bullet 2Water)

By formula: (H3O+ bullet N2 bullet 2H2O) + N2 = (H3O+ bullet 2N2 bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar5.2kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar16.6cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet Nitrogen bullet 3Water) + Nitrogen = (Hydronium cation bullet 2Nitrogen bullet 3Water)

By formula: (H3O+ bullet N2 bullet 3H2O) + N2 = (H3O+ bullet 2N2 bullet 3H2O)

Quantity Value Units Method Reference Comment
Deltar4.4kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar15.7cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet Nitrogen bullet Water) + Nitrogen = (Hydronium cation bullet 2Nitrogen bullet Water)

By formula: (H3O+ bullet N2 bullet H2O) + N2 = (H3O+ bullet 2N2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar4.9kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar13.1cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet 2Nitrous oxide) + Nitrous oxide = (Hydronium cation bullet 3Nitrous oxide)

By formula: (H3O+ bullet 2N2O) + N2O = (H3O+ bullet 3N2O)

Quantity Value Units Method Reference Comment
Deltar10.2kcal/molPHPMSHiraoka, Fujimaki, et al., 1994gas phase
Quantity Value Units Method Reference Comment
Deltar26.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase

(Hydronium cation bullet 2Water) + Nitrogen = (Hydronium cation bullet Nitrogen bullet 2Water)

By formula: (H3O+ bullet 2H2O) + N2 = (H3O+ bullet N2 bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar5.0kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar14.3cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet Nitrous oxide) + Nitrous oxide = (Hydronium cation bullet 2Nitrous oxide)

By formula: (H3O+ bullet N2O) + N2O = (H3O+ bullet 2N2O)

Quantity Value Units Method Reference Comment
Deltar12.1kcal/molPHPMSHiraoka, Fujimaki, et al., 1994gas phase
Quantity Value Units Method Reference Comment
Deltar23.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase

(Hydronium cation bullet Water) + Nitrogen = (Hydronium cation bullet Nitrogen bullet Water)

By formula: (H3O+ bullet H2O) + N2 = (H3O+ bullet N2 bullet H2O)

Quantity Value Units Method Reference Comment
Deltar5.3kcal/molDTGheno and Fitaire, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar13.9cal/mol*KDTGheno and Fitaire, 1987gas phase

(Hydronium cation bullet 2Carbon dioxide) + Carbon dioxide = (Hydronium cation bullet 3Carbon dioxide)

By formula: (H3O+ bullet 2CO2) + CO2 = (H3O+ bullet 3CO2)

Quantity Value Units Method Reference Comment
Deltar10.5kcal/molPHPMSHiraoka, Shoda, et al., 1986gas phase
Quantity Value Units Method Reference Comment
Deltar26.9cal/mol*KPHPMSHiraoka, Shoda, et al., 1986gas phase

(Hydronium cation bullet Carbon dioxide) + Carbon dioxide = (Hydronium cation bullet 2Carbon dioxide)

By formula: (H3O+ bullet CO2) + CO2 = (H3O+ bullet 2CO2)

Quantity Value Units Method Reference Comment
Deltar12.4kcal/molPHPMSHiraoka, Shoda, et al., 1986gas phase
Quantity Value Units Method Reference Comment
Deltar26.5cal/mol*KPHPMSHiraoka, Shoda, et al., 1986gas phase

Hydronium cation + Nitrous oxide = (Hydronium cation bullet Nitrous oxide)

By formula: H3O+ + N2O = (H3O+ bullet N2O)

Quantity Value Units Method Reference Comment
Deltar16.9kcal/molPHPMSHiraoka, Fujimaki, et al., 1994gas phase
Quantity Value Units Method Reference Comment
Deltar27.cal/mol*KPHPMSHiraoka, Fujimaki, et al., 1994gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar22.0kcal/molPHPMSSzulejko and McMahon, 1992gas phase
Quantity Value Units Method Reference Comment
Deltar22.7cal/mol*KPHPMSSzulejko and McMahon, 1992gas phase

Hydronium cation + Methane = (Hydronium cation bullet Methane)

By formula: H3O+ + CH4 = (H3O+ bullet CH4)

Quantity Value Units Method Reference Comment
Deltar8.0kcal/molHPMSBennet and Field, 1972gas phase
Quantity Value Units Method Reference Comment
Deltar20.4cal/mol*KHPMSBennet and Field, 1972gas phase

(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° (kcal/mol) T (K) Method Reference Comment
4.2300.HPMSBanic and Iribarne, 1985gas phase; electric fields

References

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

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

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

Bierbaum, Golde, et al., 1976
Bierbaum, V.M.; Golde, M.F.; Kaufman, F., Flowing Afterglow Studies of Hydronium Ion Clustering Including Diffusion Effects, J. Chem. Phys., 1976, 65, 7, 2715, https://doi.org/10.1063/1.433415 . [all data]

Arifov, Pozharov, et al., 1971
Arifov, U.A.; Pozharov, S.L.; Chernov, I.G., High Energy Chem., 1971, 5, 1. [all data]

Puckett and Teague, 1971
Puckett, L.J.; Teague, A.W., Production of H3O+.nH2O from NO+ Precursor in NO - H2O Gas Mixtures, J. Chem. Phys., 1971, 54, 6, 2564, https://doi.org/10.1063/1.1675213 . [all data]

Good, Durden, et al., 1970
Good, A.; Durden, D.A.; Kebarle, P., Ion-Molecule Reactions in Pure Nitrogen and Nitrogen Containing Traces of Water at Total Pressures 0.5 - 4 torr. Kinetics of Clustering Reactions Forming H+(H2O)n, J. Chem. Phys., 1970, 52, 1, 212, https://doi.org/10.1063/1.1672667 . [all data]

Good, Durden, et al., 1970, 2
Good, A.; Durden, D.A.; Kebarle, P., Mechanism and Rate Constants of Ion-Molecule Reactions Leading to Formation of H+(H2O)n in Moist Oxygen and Air, J. Chem. Phys., 1970, 52, 1, 222, https://doi.org/10.1063/1.1672668 . [all data]

Klassen, Blades, et al., 1995
Klassen, J.S.; Blades, A.T.; Kebarle, P., Determinations of Ion-Molecule Equilibria Involving Ions Produced by Electrospray. Hydration of Protonated Amines, Diamines, and Some Small Peptides, J. Phys. Chem., 1995, 99, 42, 15509, https://doi.org/10.1021/j100042a027 . [all data]

Lau, Ikuta, et al., 1982
Lau, Y.K.; Ikuta, S.; Kebarle, P., Thermodynamics and Kinetics of the Gas - Phase Reactions: H3O+(H2O)n - 1 + H2O = H3O+(H2O)n, J. Am. Chem. Soc., 1982, 104, 6, 1462, https://doi.org/10.1021/ja00370a002 . [all data]

Kebarle, Searles, et al., 1967
Kebarle, P.; Searles, S.K.; Zolla, A.; Scarborough, J.; Arshadi, M., The Solvation of the Hydrogen Ion by Water Molecules in the Gas Phase. Heats and Entropies of Solvation of the Individual Reactions: H+(H2O)n-1 + H2O = H+(H2O)n, J. Am. Chem. Soc., 1967, 89, 25, 6393, https://doi.org/10.1021/ja01001a001 . [all data]

Shi, Ford, et al., 1993
Shi, Z.; Ford, V.; Wei, S.; Castleman, A.W., Water Clusters - Contributions of Binding Energy and Entropy to Stability, J. Chem. Phys., 1993, 99, 10, 8009, https://doi.org/10.1063/1.465678 . [all data]

Magnera, David, et al., 1991
Magnera, T.F.; David, D.E.; Michl, J., The First Twenty - Eight Proton Hydration Energies, Chem. Phys. Lett., 1991, 182, 3-4, 363, https://doi.org/10.1016/0009-2614(91)80230-U . [all data]

Szulejko and McMahon, 1992
Szulejko, J.; McMahon, T.B., personal communication, 1992. [all data]

Hiraoka, Shoda, et al., 1986
Hiraoka, K.; Shoda, T.; Morise, K.; Yamabe, S.; Kawai, E.; Hirao, K., Stability and structure of cluster ions in the gas phase: Carbon dioxide with Cl-, H3O+, HCO2+ and HCO+, J. Chem. Phys., 1986, 84, 2091. [all data]

Meot-Ner (Mautner) and Field, 1977
Meot-Ner (Mautner), M.; Field, F.H., Proton Affinity and Ion - Molecule Clustering in CO2 and CS2. Applications in Martian Ionospheric Chemistry, J. Chem. Phys., 1977, 66, 10, 4527, https://doi.org/10.1063/1.433706 . [all data]

Gheno and Fitaire, 1987
Gheno, F.; Fitaire, M., Association of N2 with NH4+ and H3O+(H2O)n, n = 1,2,3, J. Chem. Phys., 1987, 87, 2, 953, https://doi.org/10.1063/1.453250 . [all data]

Hiraoka, Fujimaki, et al., 1994
Hiraoka, K.; Fujimaki, S.; Aruga, K.; Sato, T.; Yamabe, S., Gas-Phase Solavtion of NO+, O2+, N2O+, and H3O+ with N2O, J. Chem. Phys., 1994, 101, 5, 4073, https://doi.org/10.1063/1.467524 . [all data]

Bennet and Field, 1972
Bennet, S.L.; Field, F.H., Reversible Reactions of Gaseous Ions. V. The Methane - Water System at Low Temperatures, J. Am. Chem. Soc., 1972, 94, 15, 5188, https://doi.org/10.1021/ja00770a008 . [all data]

Banic and Iribarne, 1985
Banic, C.M.; Iribarne, J.V., Equilibrium Constants for Clustering of Neutral Molecules about Gaseous Ions, J. Chem. Phys., 1985, 83, 12, 6432, https://doi.org/10.1063/1.449543 . [all data]

Meot-Ner (Mautner) and Speller, 1989
Meot-Ner (Mautner), M.; Speller, C.V., Multicomponent Cluster Ions.3. Comparative Stabilities of Cationic and Anionic Hydrogen Bonded Networks. Mixed Clusters of Water and Hydrogen Cyanide, J. Phys. Chem., 1989, 93, 6580. [all data]


Notes

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