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H3+


Reaction thermochemistry data

Go To: Top, Ion clustering data, Vibrational and/or electronic energy levels, 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
Deltar29. ± 2.kJ/molAVGN/AAverage of 4 out of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar72.8 - 72.8J/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
Deltar14. ± 0.8kJ/molPHPMSHiraoka, 1987gas phase
Deltar13.kJ/molHPMSBeuhler, Ehrenson, et al., 1983gas phase
Deltar14.kJ/molHPMSBeuhler, Ehrenson, et al., 1983gas phase; deuterated
Deltar17.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase
Deltar7.5kJ/molHPMSBennett and Field, 1972gas phase; Entropy change is questionable
Quantity Value Units Method Reference Comment
Deltar72.8J/mol*KPHPMSHiraoka, 1987gas phase
Deltar70.7J/mol*KHPMSBeuhler, Ehrenson, et al., 1983gas phase
Deltar67.4J/mol*KHPMSBeuhler, Ehrenson, et al., 1983gas phase; deuterated
Deltar82.8J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase
Deltar45.2J/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
Deltar7.2 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Deltar10.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase
Quantity Value Units Method Reference Comment
Deltar74.9J/mol*KPHPMSHiraoka, 1987gas phase
Deltar80.8J/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
Deltar13. ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Deltar16.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase
Quantity Value Units Method Reference Comment
Deltar77.4J/mol*KPHPMSHiraoka, 1987gas phase
Deltar84.5J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase

H3+ + Argon = (H3+ bullet Argon)

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

Quantity Value Units Method Reference Comment
Deltar28.0 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase
Deltar31. ± 3.kJ/molSIFTBedford and Smith, 1990gas phase; switching reaction(H3+)H2, Hiraoka and Mori, 1989
Quantity Value Units Method Reference Comment
Deltar56.1J/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
Deltar48.1kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2
Quantity Value Units Method Reference Comment
Deltar92.J/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
Deltar52.3kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2
Quantity Value Units Method Reference Comment
Deltar82.0J/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
Deltar17.9 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar72.4J/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
Deltar10.3 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar67.4J/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
Deltar9.5 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar69.9J/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
Deltar9.1 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar78.2J/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
Deltar6.5 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar96.2J/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
Deltar19.1 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar66.9J/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
Deltar6.9 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar79.1J/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
Deltar6.4 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar83.7J/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
Deltar3.7 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar69.0J/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
Deltar3.3 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar74.9J/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
Deltar2.6 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar79.9J/mol*KPHPMSHiraoka, 1987gas phase

Ion clustering data

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

H3+ + Argon = (H3+ bullet Argon)

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

Quantity Value Units Method Reference Comment
Deltar28.0 ± 0.8kJ/molPHPMSHiraoka and Mori, 1989gas phase
Deltar31. ± 3.kJ/molSIFTBedford and Smith, 1990gas phase; switching reaction(H3+)H2, Hiraoka and Mori, 1989
Quantity Value Units Method Reference Comment
Deltar56.1J/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
Deltar19.1 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar66.9J/mol*KPHPMSHiraoka and Mori, 1989gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar17.9 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar72.4J/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
Deltar10.3 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar67.4J/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
Deltar9.5 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar69.9J/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
Deltar9.1 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar78.2J/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
Deltar6.5 ± 0.4kJ/molPHPMSHiraoka and Mori, 1989gas phase
Quantity Value Units Method Reference Comment
Deltar96.2J/mol*KPHPMSHiraoka and Mori, 1989gas phase

H3+ + Hydrogen = (H3+ bullet Hydrogen)

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

Quantity Value Units Method Reference Comment
Deltar29. ± 2.kJ/molAVGN/AAverage of 4 out of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar72.8 - 72.8J/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
Deltar14. ± 0.8kJ/molPHPMSHiraoka, 1987gas phase
Deltar13.kJ/molHPMSBeuhler, Ehrenson, et al., 1983gas phase
Deltar14.kJ/molHPMSBeuhler, Ehrenson, et al., 1983gas phase; deuterated
Deltar17.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase
Deltar7.5kJ/molHPMSBennett and Field, 1972gas phase; Entropy change is questionable
Quantity Value Units Method Reference Comment
Deltar72.8J/mol*KPHPMSHiraoka, 1987gas phase
Deltar70.7J/mol*KHPMSBeuhler, Ehrenson, et al., 1983gas phase
Deltar67.4J/mol*KHPMSBeuhler, Ehrenson, et al., 1983gas phase; deuterated
Deltar82.8J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase
Deltar45.2J/mol*KHPMSBennett and Field, 1972gas phase; Entropy change is questionable

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

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

Quantity Value Units Method Reference Comment
Deltar13. ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Deltar16.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase
Quantity Value Units Method Reference Comment
Deltar77.4J/mol*KPHPMSHiraoka, 1987gas phase
Deltar84.5J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar7.2 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Deltar10.kJ/molPHPMSHiraoka and Kebarle, 1975gas phase
Quantity Value Units Method Reference Comment
Deltar74.9J/mol*KPHPMSHiraoka, 1987gas phase
Deltar80.8J/mol*KPHPMSHiraoka and Kebarle, 1975gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar6.9 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar79.1J/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
Deltar6.4 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar83.7J/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
Deltar3.7 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar69.0J/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
Deltar3.3 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar74.9J/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
Deltar2.6 ± 0.4kJ/molPHPMSHiraoka, 1987gas phase
Quantity Value Units Method Reference Comment
Deltar79.9J/mol*KPHPMSHiraoka, 1987gas phase

H3+ + Oxygen = (H3+ bullet Oxygen)

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

Quantity Value Units Method Reference Comment
Deltar52.3kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2
Quantity Value Units Method Reference Comment
Deltar82.0J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2

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

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

Quantity Value Units Method Reference Comment
Deltar48.1kJ/molPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2
Quantity Value Units Method Reference Comment
Deltar92.J/mol*KPHPMSHiraoka, Saluja, et al., 1979gas phase; From thermochemical cycle(O2H+)O2

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, Ion clustering 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: Marilyn E. Jacox

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1' 1 Ring breathing 3178.18 gas IR LD Majewski, Marshall, et al., 1987
Lembo, Petit, et al., 1989
Ketterle, Messmer, et al., 1989
Xu, Rosslein, et al., 1992
Majewski, McKellar, et al., 1994
e' 2 Deformation 2521.42 gas LD Oka, 1980
Watson, Foster, et al., 1984
Nakanaga, Ito, et al., 1990
Majewski, McKellar, et al., 1994
McKellar and Watson, 1998
2 Deformation 2521.42 gas EM Civis, Kubat, et al., 2006
2 Deformation 2109.7 T H2 IR Chan, Okumura, et al., 2000

Additional references: Jacox, 1994, page 11; Jacox, 1998, page 123; Jacox, 2003, page 9; Shy, Farley, et al., 1980; Amano and Watson, 1984; Lubic and Amano, 1984; Amano, 1985; Foster, McKellar, et al., 1986; Foster, McKellar, et al., 1986, 2; Watson, Foster, et al., 1987; Kozin, Polyansky, et al., 1988; Polyansky and McKellar, 1990; Bawendi, Rehfuss, et al., 1990; Xu, Gabrys, et al., 1990; Lee, Ventrudo, et al., 1991; Ventrudo, Cassidy, et al., 1994; Amano, Chan, et al., 1994; Amano and Hirao, 2005

Notes

TTentative assignment or approximate value

References

Go To: Top, Reaction thermochemistry data, Ion clustering data, Vibrational and/or electronic energy levels, 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]

Majewski, Marshall, et al., 1987
Majewski, W.A.; Marshall, M.D.; McKellar, A.R.W.; Johns, J.W.C.; Watson, J.K.G., Higher rotational lines in the «nu»2 fundamental of the H3+ molecular ion, J. Mol. Spectrosc., 1987, 122, 2, 341, https://doi.org/10.1016/0022-2852(87)90009-9 . [all data]

Lembo, Petit, et al., 1989
Lembo, L.J.; Petit, A.; Helm, H., Vibrational autoionization in H_{3} and measurements of the symmetric-stretch frequency of the metastable 2p A_{2}^{''} state, Phys. Rev. A, 1989, 39, 7, 3721, https://doi.org/10.1103/PhysRevA.39.3721 . [all data]

Ketterle, Messmer, et al., 1989
Ketterle, W.; Messmer, H.-P.; Walther, H., The «nu», Europhys. Lett., 1989, 8, 4, 333, https://doi.org/10.1209/0295-5075/8/4/006 . [all data]

Xu, Rosslein, et al., 1992
Xu, L.-W.; Rosslein, M.; Gabrys, C.M.; Oka, T., Observation of infrared forbidden transitions of H3+, J. Mol. Spectrosc., 1992, 153, 1-2, 726, https://doi.org/10.1016/0022-2852(92)90507-K . [all data]

Majewski, McKellar, et al., 1994
Majewski, W.A.; McKellar, A.R.W.; Sadovskii, D.; Watson, J.K.G., New observations and analysis of the infrared vibration--rotation spectrum of H, Can. J. Phys., 1994, 72, 11-12, 1016, https://doi.org/10.1139/p94-133 . [all data]

Oka, 1980
Oka, T., Observation of the Infrared Spectrum of H_{3}^{+}, Phys. Rev. Lett., 1980, 45, 7, 531, https://doi.org/10.1103/PhysRevLett.45.531 . [all data]

Watson, Foster, et al., 1984
Watson, J.K.G.; Foster, S.C.; McKellar, A.R.W.; Bernath, P.; Amano, T.; Pan, F.S.; Crofton, M.W.; Altman, R.S.; Oka, T., The infrared spectrum of the «nu», Can. J. Phys., 1984, 62, 12, 1875, https://doi.org/10.1139/p84-231 . [all data]

Nakanaga, Ito, et al., 1990
Nakanaga, T.; Ito, F.; Sugawara, K.; Takeo, H.; Matsumura, C., Observation of infrared absorption spectra of molecular ions, H3+ and HN2+, by FTIR spectroscopy, Chem. Phys. Lett., 1990, 169, 3, 269, https://doi.org/10.1016/0009-2614(90)85199-M . [all data]

McKellar and Watson, 1998
McKellar, A.R.W.; Watson, J.K.G., The Infrared Spectrum of H+3Revealed, J. Mol. Spectrosc., 1998, 191, 1, 215, https://doi.org/10.1006/jmsp.1998.7613 . [all data]

Civis, Kubat, et al., 2006
Civis, S.; Kubat, P.; Nishida, S.; Kawaguchi, K., Time-resolved Fourier transform infrared emission spectroscopy of molecular ion, Chem. Phys Lett., 2006, 418, 4-6, 448, https://doi.org/10.1016/j.cplett.2005.10.136 . [all data]

Chan, Okumura, et al., 2000
Chan, M.-C.; Okumura, M.; Oka, T., Infrared Spectrum of, J. Phys. Chem. A, 2000, 104, 16, 3775, https://doi.org/10.1021/jp993890h . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Shy, Farley, et al., 1980
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Notes

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