Hydrogen cation

• Formula: H⁺
• Molecular weight: 1.00739
• IUPAC Standard InChI: InChI=1S/p+1 Copy

  
• IUPAC Standard InChIKey: GPRLSGONYQIRFK-UHFFFAOYSA-N Copy
• CAS Registry Number: 12408-02-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Isotopologues:
  • Deuterium cation
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data (reactions 451 to 500)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data: reactions 1 to 50, reactions 51 to 100, reactions 101 to 150, reactions 151 to 200, reactions 201 to 250, reactions 251 to 300, reactions 301 to 350, reactions 351 to 400, reactions 401 to 450, reactions 501 to 550, reactions 551 to 600, reactions 601 to 650, reactions 651 to 700, reactions 701 to 750, reactions 751 to 800, reactions 801 to 850, reactions 851 to 900, reactions 901 to 950, reactions 951 to 1000, reactions 1001 to 1050, reactions 1051 to 1100, reactions 1101 to 1150, reactions 1151 to 1200, reactions 1201 to 1250, reactions 1251 to 1300, reactions 1301 to 1350, reactions 1351 to 1375
  • Gas phase ion energetics data
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Reaction thermochemistry 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

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 451 to 500

C₈H₉^- +  =

By formula: C₈H₉^- + H⁺ = C₈H₁₀

C₈H₉^- +  =

By formula: C₈H₉^- + H⁺ = C₈H₁₀

C₈H₆N^- +  =

By formula: C₈H₆N^- + H⁺ = C₈H₇N

C₈H₇O^- +  =

By formula: C₈H₇O^- + H⁺ = C₈H₈O

C₄H₄N^- +  =

By formula: C₄H₄N^- + H⁺ = C₄H₅N

C₇H₇^- +  =

By formula: C₇H₇^- + H⁺ = C₇H₈

C₄H₄F₃^- +  =

By formula: C₄H₄F₃^- + H⁺ = C₄H₅F₃

C₅H₇^- +  =

By formula: C₅H₇^- + H⁺ = C₅H₈

C₆H₉^- +  =

By formula: C₆H₉^- + H⁺ = C₆H₁₀

C₇H₇S^- +  =

By formula: C₇H₇S^- + H⁺ = C₇H₈S

C₇H₇S^- +  =

By formula: C₇H₇S^- + H⁺ = C₇H₈S

 +  =

By formula: C₇H₉^- + H⁺ = C₇H₁₀

C₉H₃F₆O₂^- +  =

By formula: C₉H₃F₆O₂^- + H⁺ = C₉H₄F₆O₂

C₃H₆NS^- +  =

By formula: C₃H₆NS^- + H⁺ = C₃H₇NS

C₇H₆FO^- +  =

By formula: C₇H₆FO^- + H⁺ = C₇H₇FO

C₂H₂F₃O^- +  =

By formula: C₂H₂F₃O^- + H⁺ = C₂H₃F₃O

C₈H₇O₂^- +  =

By formula: C₈H₇O₂^- + H⁺ = C₈H₈O₂

C₈H₁₀NO^- +  =

By formula: C₈H₁₀NO^- + H⁺ = C₈H₁₁NO

C₁₀H₁₃O^- +  =

By formula: C₁₀H₁₃O^- + H⁺ = C₁₀H₁₄O

C₈H₇O₃^- +  =

By formula: C₈H₇O₃^- + H⁺ = C₈H₈O₃

C₇H₄F₃O^- +  =

By formula: C₇H₄F₃O^- + H⁺ = C₇H₅F₃O

C₃H₇S^- +  =

By formula: C₃H₇S^- + H⁺ = C₃H₈S

C₄H₉S^- +  =

By formula: C₄H₉S^- + H⁺ = C₄H₁₀S

 +  =

By formula: C₁₀H₉N₂^- + H⁺ = C₁₀H₁₀N₂

C₇H₅F₃N^- +  =

By formula: C₇H₅F₃N^- + H⁺ = C₇H₆F₃N

C₄H₆N^- +  =

By formula: C₄H₆N^- + H⁺ = C₄H₇N

C₉H₁₁^- +  =

By formula: C₉H₁₁^- + H⁺ = C₉H₁₂

C₁₀H₁₂F₃O₂^- +  = C₁₀H₁₃F₃O₂

By formula: C₁₀H₁₂F₃O₂^- + H⁺ = C₁₀H₁₃F₃O₂

C₉H₁₂FO₂^- +  = C₉H₁₃FO₂

By formula: C₉H₁₂FO₂^- + H⁺ = C₉H₁₃FO₂

C₁₀H₁₂NO₂^- +  = C₁₀H₁₃NO₂

By formula: C₁₀H₁₂NO₂^- + H⁺ = C₁₀H₁₃NO₂

C₁₀H₁₃O₂^- +  = C₁₀H₁₄O₂

By formula: C₁₀H₁₃O₂^- + H⁺ = C₁₀H₁₄O₂

C₁₂H₁₅O₄^- +  = C₁₂H₁₆O₄

By formula: C₁₂H₁₅O₄^- + H⁺ = C₁₂H₁₆O₄

C₉H₁₀ClO₂^- +  = C₉H₁₁ClO₂

By formula: C₉H₁₀ClO₂^- + H⁺ = C₉H₁₁ClO₂

C₁₀H₁₀F₃O₂^- +  = C₁₀H₁₁F₃O₂

By formula: C₁₀H₁₀F₃O₂^- + H⁺ = C₁₀H₁₁F₃O₂

C₅H₅O^- +  =

By formula: C₅H₅O^- + H⁺ = C₅H₆O

C₄H₃F₆O^- +  = C₄H₄F₆O

By formula: C₄H₃F₆O^- + H⁺ = C₄H₄F₆O

C₈H₆F₃^- +  = C₈H₇F₃

By formula: C₈H₆F₃^- + H⁺ = C₈H₇F₃

C₅H₆NO^- +  = C₅H₇NO

By formula: C₅H₆NO^- + H⁺ = C₅H₇NO

C₄H₃O^- +  =

By formula: C₄H₃O^- + H⁺ = C₄H₄O

C₉H₁₂ClO₂^- +  = C₉H₁₃ClO₂

By formula: C₉H₁₂ClO₂^- + H⁺ = C₉H₁₃ClO₂

C₉H₁₁O₂^- +  =

By formula: C₉H₁₁O₂^- + H⁺ = C₉H₁₂O₂

H₂NSi^- +  = H₃NSi

By formula: H₂NSi^- + H⁺ = H₃NSi

C₃H₄F₃O^- +  =

By formula: C₃H₄F₃O^- + H⁺ = C₃H₅F₃O

C₄H₆F₃O^- +  =

By formula: C₄H₆F₃O^- + H⁺ = C₄H₇F₃O

C₆H₇O₄^- +  =

By formula: C₆H₇O₄^- + H⁺ = C₆H₈O₄

C₃H₄FO^- +  =

By formula: C₃H₄FO^- + H⁺ = C₃H₅FO

C₈H₉^- +  =

By formula: C₈H₉^- + H⁺ = C₈H₁₀

C₇H₆F^- +  =

By formula: C₇H₆F^- + H⁺ = C₇H₇F

C₇H₆F^- +  =

By formula: C₇H₆F^- + H⁺ = C₇H₇F

C₈H₇O^- +  =

By formula: C₈H₇O^- + H⁺ = C₈H₈O

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.

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Kahn, Hehre, et al., 1984
Kahn, S.D.; Hehre, W.J.; Bartmess, J.E.; Caldwell, G., Effect of Metal Complexation on the Gas-phase Acidities of Alkylbenzenes, Organomet., 1984, 3, 11, 1740, https://doi.org/10.1021/om00089a024 . [all data]

Bartmess and Burnham, 1984
Bartmess, J.E.; Burnham, R., Effect of central substituents on the gas phase acidities of propenes, J. Org. Chem., 1984, 49, 1382. [all data]

Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M., Gas phase chemistry of alpha-thio carbanions, Can. J. Chem., 1985, 62, 2273. [all data]

Lee and Squires, 1986
Lee, R.E.; Squires, R.R., Anionic homoaromaticity: A gas phase experimental study, J. Am. Chem. Soc., 1986, 105, 5078. [all data]

Jinfeng, Topsom, et al., 1988
Jinfeng, C.; Topsom, R.D.; Headley, A.D.; Koppel, I.; Mishima, M.; Taft, R.W.; Veji, S., Acidities of Substituted Acetic Acids, J. Mol. Struct., 1988, 168, 141, https://doi.org/10.1016/0166-1280(88)80349-X . [all data]

Ingemann and Nibbering, 1985, 2
Ingemann, S.; Nibbering, N.M.M., Gas phase chemistry of dipole stabilized carbanions derived from N,N-dimethylthioformamide and N,N-dimethylnitrosamine, Acta Chem. Scand., Ser. B, 1985, 39, 697. [all data]

Ingemann and Nibbering, 1983
Ingemann, S.; Nibbering, N.M.M., Gas phase reactions of anions with 2-,3-, and 4-fluoroanisole, J. Org. Chem., 1983, 48, 183. [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Arnett, Venkatasubaramanian, et al., 1982
Arnett, E.M.; Venkatasubaramanian, K.G.; McIver, R.T.; Fukuda, E.K.; Bordwell, F.G.; Press, F.D., Stabilization of the monoanion of 1,8-diaminonaphthalene by intramolecular hydrogen bonding. A novel case of anion homoconjugation in superbase solution, J. Am. Chem. Soc., 1982, 104, 325. [all data]

Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D., The Nature and Analysis of Substituent Effects, Prog. Phys. Org. Chem., 1987, 16, 1. [all data]

DePuy, Kass, et al., 1988
DePuy, C.H.; Kass, S.R.; Bean, G.P., Formation and Reactions of Heteroaromatic Anions in the Gas Phase, J. Org. Chem., 1988, 53, 19, 4427, https://doi.org/10.1021/jo00254a001 . [all data]

Caldwell, McMahon, et al., 1985
Caldwell, G.; McMahon, T.B.; Kebarle, P.; Bartmess, J.E.; Kiplinger, J.P., Methyl substituent effects in the gas phase acidities of halosubstituted oxygen acids. A realignment with substituent effects in solution, J. Am. Chem. Soc., 1985, 107, 80. [all data]

Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E., , Unpublished results. [all data]

Damrauer, Krempp, et al., 1993
Damrauer, R.; Krempp, M.; Ohair, R.A.J., Gas-Phase Chemistry of HSiS- and HSiNH- - Ions Related to Silathioformaldehyde and the Silaazomethine of Formaldehyde, J. Am. Chem. Soc., 1993, 115, 5, 1998, https://doi.org/10.1021/ja00058a055 . [all data]

Mishima, Matsuoka, et al., 2004
Mishima, M.; Matsuoka, M.; Lei, Y.X.; Rappoport, Z., Gas-phase acidities of disubstituted methanes and of enols of carboxamides substituted by electron-withdrawing groups, J. Org. Chem., 2004, 69, 18, 5947-5965, https://doi.org/10.1021/jo040196b . [all data]

Clair and McMahon, 1980
Clair, R.L.; McMahon, T.B., An ion cyclotron resonance study of base-induced elimination reactions of fluorinated alcohols and unimolecular loss of HF from chemically activated fluoroalkoxide ions, Int. J. Mass Spectrom. Ion Phys., 1980, 33, 21. [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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