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H3+


Reaction thermochemistry data

Go To: Top, 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.

Individual Reactions

H3+ + Hydrogen = (H3+ bullet Hydrogen)

By formula: H3+ + H2 = (H3+ bullet H2)

Quantity Value Units Method Reference Comment
Deltar6.9 ± 0.4kcal/molAVGN/AAverage of 4 out of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar17.4 - 17.4cal/mol*KRNGN/ARange of 6 values; Individual data points

(H3+ bullet Hydrogen) + Hydrogen = (H3+ bullet 2Hydrogen)

By formula: (H3+ bullet H2) + H2 = (H3+ bullet 2H2)

Quantity Value Units Method Reference Comment
Deltar3.3 ± 0.2kcal/molPHPMSHiraoka, 1987gas phase
Deltar3.1kcal/molHPMSBeuhler, Ehrenson, et al., 1983gas phase
Deltar3.4kcal/molHPMSBeuhler, Ehrenson, et al., 1983gas phase; deuterated
Deltar4.1kcal/molPHPMSHiraoka and Kebarle, 1975gas phase
Deltar1.8kcal/molHPMSBennett and Field, 1972gas phase; Entropy change is questionable
Quantity Value Units Method Reference Comment
Deltar17.4cal/mol*KPHPMSHiraoka, 1987gas phase
Deltar16.9cal/mol*KHPMSBeuhler, Ehrenson, et al., 1983gas phase
Deltar16.1cal/mol*KHPMSBeuhler, Ehrenson, et al., 1983gas phase; deuterated
Deltar19.8cal/mol*KPHPMSHiraoka and Kebarle, 1975gas phase
Deltar10.8cal/mol*KHPMSBennett and Field, 1972gas phase; Entropy change is questionable

(H3+ bullet 3Hydrogen) + Hydrogen = (H3+ bullet 4Hydrogen)

By formula: (H3+ bullet 3H2) + H2 = (H3+ bullet 4H2)

Quantity Value Units Method Reference Comment
Deltar1.7 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Deltar2.4kcal/molPHPMSHiraoka and Kebarle, 1975gas phase
Quantity Value Units Method Reference Comment
Deltar17.9cal/mol*KPHPMSHiraoka, 1987gas phase
Deltar19.3cal/mol*KPHPMSHiraoka and Kebarle, 1975gas phase

(H3+ bullet 2Hydrogen) + Hydrogen = (H3+ bullet 3Hydrogen)

By formula: (H3+ bullet 2H2) + H2 = (H3+ bullet 3H2)

Quantity Value Units Method Reference Comment
Deltar3.2 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Deltar3.8kcal/molPHPMSHiraoka and Kebarle, 1975gas phase
Quantity Value Units Method Reference Comment
Deltar18.5cal/mol*KPHPMSHiraoka, 1987gas phase
Deltar20.2cal/mol*KPHPMSHiraoka and Kebarle, 1975gas phase

H3+ + Argon = (H3+ bullet Argon)

By formula: H3+ + Ar = (H3+ bullet Ar)

Quantity Value Units Method Reference Comment
Deltar6.7 ± 0.2kcal/molPHPMSHiraoka and Mori, 1989gas phase
Deltar7.5 ± 0.8kcal/molSIFTBedford and Smith, 1990gas phase; switching reaction(H3+)H2, Hiraoka and Mori, 1989
Quantity Value Units Method Reference Comment
Deltar13.4cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet Oxygen) + Oxygen = (H3+ bullet 2Oxygen)

By formula: (H3+ bullet O2) + O2 = (H3+ bullet 2O2)

Quantity Value Units Method Reference Comment
Deltar11.5kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2
Quantity Value Units Method Reference Comment
Deltar22.cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2

H3+ + Oxygen = (H3+ bullet Oxygen)

By formula: H3+ + O2 = (H3+ bullet O2)

Quantity Value Units Method Reference Comment
Deltar12.5kcal/molPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2
Quantity Value Units Method Reference Comment
Deltar19.6cal/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2

(H3+ bullet 2Argon) + Argon = (H3+ bullet 3Argon)

By formula: (H3+ bullet 2Ar) + Ar = (H3+ bullet 3Ar)

Quantity Value Units Method Reference Comment
Deltar4.3 ± 0.1kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar17.3cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet 3Argon) + Argon = (H3+ bullet 4Argon)

By formula: (H3+ bullet 3Ar) + Ar = (H3+ bullet 4Ar)

Quantity Value Units Method Reference Comment
Deltar2.5 ± 0.1kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar16.1cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet 4Argon) + Argon = (H3+ bullet 5Argon)

By formula: (H3+ bullet 4Ar) + Ar = (H3+ bullet 5Ar)

Quantity Value Units Method Reference Comment
Deltar2.3 ± 0.1kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar16.7cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet 5Argon) + Argon = (H3+ bullet 6Argon)

By formula: (H3+ bullet 5Ar) + Ar = (H3+ bullet 6Ar)

Quantity Value Units Method Reference Comment
Deltar2.2 ± 0.1kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar18.7cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet 6Argon) + Argon = (H3+ bullet 7Argon)

By formula: (H3+ bullet 6Ar) + Ar = (H3+ bullet 7Ar)

Quantity Value Units Method Reference Comment
Deltar1.6 ± 0.1kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar23.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet Argon) + Argon = (H3+ bullet 2Argon)

By formula: (H3+ bullet Ar) + Ar = (H3+ bullet 2Ar)

Quantity Value Units Method Reference Comment
Deltar4.6 ± 0.1kcal/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar16.0cal/mol*KPHPMSHiraoka and Mori, 1989gas phase

(H3+ bullet 4Hydrogen) + Hydrogen = (H3+ bullet 5Hydrogen)

By formula: (H3+ bullet 4H2) + H2 = (H3+ bullet 5H2)

Quantity Value Units Method Reference Comment
Deltar1.6 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar18.9cal/mol*KPHPMSHiraoka, 1987gas phase

(H3+ bullet 5Hydrogen) + Hydrogen = (H3+ bullet 6Hydrogen)

By formula: (H3+ bullet 5H2) + H2 = (H3+ bullet 6H2)

Quantity Value Units Method Reference Comment
Deltar1.5 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar20.0cal/mol*KPHPMSHiraoka, 1987gas phase

(H3+ bullet 6Hydrogen) + Hydrogen = (H3+ bullet 7Hydrogen)

By formula: (H3+ bullet 6H2) + H2 = (H3+ bullet 7H2)

Quantity Value Units Method Reference Comment
Deltar0.9 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar16.5cal/mol*KPHPMSHiraoka, 1987gas phase

(H3+ bullet 7Hydrogen) + Hydrogen = (H3+ bullet 8Hydrogen)

By formula: (H3+ bullet 7H2) + H2 = (H3+ bullet 8H2)

Quantity Value Units Method Reference Comment
Deltar0.8 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar17.9cal/mol*KPHPMSHiraoka, 1987gas phase

(H3+ bullet 8Hydrogen) + Hydrogen = (H3+ bullet 9Hydrogen)

By formula: (H3+ bullet 8H2) + H2 = (H3+ bullet 9H2)

Quantity Value Units Method Reference Comment
Deltar0.6 ± 0.1kcal/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar19.1cal/mol*KPHPMSHiraoka, 1987gas phase

References

Go To: Top, Reaction thermochemistry data, Notes

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

Hiraoka, 1987
Hiraoka, K., A Determination of the Stabilities of H3+(H2)n with n=1-9 from Measurements of the gas-Phase Ion Equilibria H3+(H2)n-1 + H2 = H3+(H2)n, J. Chem. Phys., 1987, 87, 7, 4048, https://doi.org/10.1063/1.452909 . [all data]

Beuhler, Ehrenson, et al., 1983
Beuhler, R.J.; Ehrenson, S.; Friedman, L., Hydrogen Cluster Ion Equilibria, J. Chem. Phys., 1983, 79, 12, 5982, https://doi.org/10.1063/1.445781 . [all data]

Hiraoka and Kebarle, 1975
Hiraoka, K.; Kebarle, P., A Determination of the Stabilities of H5+, H7+, H9+, and H11+ from Measurement of the Gas Phase Ion Equilibria Hn+ + H2 = H(n + 2)+ (n = 3, 5, 7, 9), J. Chem. Phys., 1975, 62, 6, 2267, https://doi.org/10.1063/1.430751 . [all data]

Bennett and Field, 1972
Bennett, S.L.; Field, F.H., Reversible Reactions of Gaseous Ions. VII. The Hydrogen System, J. Am. Chem. Soc., 1972, 94, 25, 8669, https://doi.org/10.1021/ja00780a003 . [all data]

Hiraoka and Mori, 1989
Hiraoka, K.; Mori, T., Isotope Effect and Nature of Bonding in the Cluster Ions H3+(Ar)n and D3+(Ar)n, J. Chem. Phys., 1989, 91, 8, 4821, https://doi.org/10.1063/1.456720 . [all data]

Bedford and Smith, 1990
Bedford, D.K.; Smith, D., Variable-temperature selected ion flow tube studies of the reactions of Ar+, Ar2+ and ArHn+ (n=1-3) ions with H2, HD and D2 at 300 K and 80 K, Int. J. Mass Spectrom. Ion Proc., 1990, 98, 2, 179, https://doi.org/10.1016/0168-1176(90)85017-V . [all data]

Hiraoka, Saluja, et al., 1979
Hiraoka, K.; Saluja, P.P.S.; Kebarle, P., Stabilities of Complexes (N2)nH+, (CO)nH+ and (O2)nH+ for n = 1 to 7 Based on Gas Phase Ion Equilibrium Measurements, Can. J. Chem., 1979, 57, 16, 2159, https://doi.org/10.1139/v79-346 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References