H3+

• Formula: H₃⁺
• Molecular weight: 3.02327
• CAS Registry Number: 28132-48-1
• Information on this page:
  • Reaction thermochemistry data
  • Ion clustering data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Options:
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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⁺ +  = (H₃⁺ • )

By formula: H₃⁺ + H₂ = (H₃⁺ • H₂)

(H₃⁺ • ) +  = (H₃⁺ • 2)

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

(H₃⁺ • 3) +  = (H₃⁺ • 4)

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

(H₃⁺ • 2) +  = (H₃⁺ • 3)

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

H₃⁺ +  = (H₃⁺ • )

By formula: H₃⁺ + Ar = (H₃⁺ • Ar)

(H₃⁺ • ) +  = (H₃⁺ • 2)

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

H₃⁺ +  = (H₃⁺ • )

By formula: H₃⁺ + O₂ = (H₃⁺ • O₂)

(H₃⁺ • 2) +  = (H₃⁺ • 3)

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

(H₃⁺ • 3) +  = (H₃⁺ • 4)

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

(H₃⁺ • 4) +  = (H₃⁺ • 5)

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

(H₃⁺ • 5) +  = (H₃⁺ • 6)

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

(H₃⁺ • 6) +  = (H₃⁺ • 7)

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

(H₃⁺ • ) +  = (H₃⁺ • 2)

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

(H₃⁺ • 4) +  = (H₃⁺ • 5)

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

(H₃⁺ • 5) +  = (H₃⁺ • 6)

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

(H₃⁺ • 6) +  = (H₃⁺ • 7)

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

(H₃⁺ • 7) +  = (H₃⁺ • 8)

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

(H₃⁺ • 8) +  = (H₃⁺ • 9)

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

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⁺ +  = (H₃⁺ • )

By formula: H₃⁺ + Ar = (H₃⁺ • Ar)

(H₃⁺ • ) +  = (H₃⁺ • 2)

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

(H₃⁺ • 2) +  = (H₃⁺ • 3)

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

(H₃⁺ • 3) +  = (H₃⁺ • 4)

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

(H₃⁺ • 4) +  = (H₃⁺ • 5)

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

(H₃⁺ • 5) +  = (H₃⁺ • 6)

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

(H₃⁺ • 6) +  = (H₃⁺ • 7)

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

H₃⁺ +  = (H₃⁺ • )

By formula: H₃⁺ + H₂ = (H₃⁺ • H₂)

(H₃⁺ • ) +  = (H₃⁺ • 2)

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

(H₃⁺ • 2) +  = (H₃⁺ • 3)

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

(H₃⁺ • 3) +  = (H₃⁺ • 4)

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

(H₃⁺ • 4) +  = (H₃⁺ • 5)

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

(H₃⁺ • 5) +  = (H₃⁺ • 6)

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

(H₃⁺ • 6) +  = (H₃⁺ • 7)

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

(H₃⁺ • 7) +  = (H₃⁺ • 8)

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

(H₃⁺ • 8) +  = (H₃⁺ • 9)

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

H₃⁺ +  = (H₃⁺ • )

By formula: H₃⁺ + O₂ = (H₃⁺ • O₂)

(H₃⁺ • ) +  = (H₃⁺ • 2)

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

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

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

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 ν2 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 ν, 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 ν, 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
Shy, J.-T.; Farley, J.W.; Lamb, W.E., Jr.; Wing, W.H., Observation of the Infrared Spectrum of the Triatomic Deuterium Molecular Ion D_{3}^{+}, Phys. Rev. Lett., 1980, 45, 7, 535, https://doi.org/10.1103/PhysRevLett.45.535 . [all data]

Amano and Watson, 1984
Amano, T.; Watson, J.K.G., Observation of the ν1 fundamental band of H2D+, J. Chem. Phys., 1984, 81, 7, 2869, https://doi.org/10.1063/1.448059 . [all data]

Lubic and Amano, 1984
Lubic, K.G.; Amano, T., Observation of the ν, Can. J. Phys., 1984, 62, 12, 1886, https://doi.org/10.1139/p84-232 . [all data]

Amano, 1985
Amano, T., Difference-frequency laser spectroscopy of molecular ions with a hollow-cathode cell: extended analysis of the ν_1 band of H_2D^+, J. Opt. Soc. Am. B, 1985, 2, 5, 790, https://doi.org/10.1364/JOSAB.2.000790 . [all data]

Foster, McKellar, et al., 1986
Foster, S.C.; McKellar, A.R.W.; Peterkin, I.R.; Watson, J.K.G.; Pan, F.S.; Crofton, M.W.; Altman, R.S.; Oka, T., Observation and analysis of the ν2 and ν3 fundamental bands of the H2D+ ion, J. Chem. Phys., 1986, 84, 1, 91, https://doi.org/10.1063/1.450137 . [all data]

Foster, McKellar, et al., 1986, 2
Foster, S.C.; McKellar, A.R.W.; Watson, J.K.G., Observation and analysis of the ν2 and ν3 fundamental bands of the D2H+ ion, J. Chem. Phys., 1986, 85, 2, 664, https://doi.org/10.1063/1.451841 . [all data]

Watson, Foster, et al., 1987
Watson, J.K.G.; Foster, S.C.; McKellar, A.R.W., The infrared spectrum of the ν, Can. J. Phys., 1987, 65, 1, 38, https://doi.org/10.1139/p87-008 . [all data]

Kozin, Polyansky, et al., 1988
Kozin, I.N.; Polyansky, O.L.; Zobov, N.F., Improved analysis of the experimental data on the H2D+ and D2H+ absorption spectra, J. Mol. Spectrosc., 1988, 128, 1, 126, https://doi.org/10.1016/0022-2852(88)90212-3 . [all data]

Polyansky and McKellar, 1990
Polyansky, O.L.; McKellar, A.R.W., Improved analysis of the infrared spectrum of D2H+, J. Chem. Phys., 1990, 92, 7, 4039, https://doi.org/10.1063/1.457817 . [all data]

Bawendi, Rehfuss, et al., 1990
Bawendi, M.G.; Rehfuss, B.D.; Oka, T., Laboratory observation of hot bands of H+3, J. Chem. Phys., 1990, 93, 9, 6200, https://doi.org/10.1063/1.458989 . [all data]

Xu, Gabrys, et al., 1990
Xu, L.-W.; Gabrys, C.; Oka, T., Observation of the 2ν2(l=2)←0 overtone band of H+3, J. Chem. Phys., 1990, 93, 9, 6210, https://doi.org/10.1063/1.458990 . [all data]

Lee, Ventrudo, et al., 1991
Lee, S.S.; Ventrudo, B.F.; Cassidy, D.T.; Oka, T.; Miller, S.; Tennyson, J., Observation of the 3ν2 ← 0 overtone band of H3+, J. Mol. Spectrosc., 1991, 145, 1, 222, https://doi.org/10.1016/0022-2852(91)90365-H . [all data]

Ventrudo, Cassidy, et al., 1994
Ventrudo, B.F.; Cassidy, D.T.; Guo, Z.Y.; Joo, S.; Lee, S.S.; Oka, T., Near infrared 3ν2 overtone band of H+3, J. Chem. Phys., 1994, 100, 9, 6162, https://doi.org/10.1063/1.467088 . [all data]

Amano, Chan, et al., 1994
Amano, T.; Chan, M.-C.; Civis, S.; McKellar, A.R.W.; Majewski, W.A.; Sadovskii, D.; Watson, J.K.G., The infrared vibration--rotation spectrum of the molecular ion: extension to higher vibrational and rotational quantum numbers, Can. J. Phys., 1994, 72, 11-12, 1007, https://doi.org/10.1139/p94-132 . [all data]

Amano and Hirao, 2005
Amano, T.; Hirao, T., Accurate rest frequencies of submillimeter-wave lines of H2D+ and D2H+, J. Mol. Spectrosc., 2005, 233, 1, 7, https://doi.org/10.1016/j.jms.2005.05.008 . [all data]

Notes

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

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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