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 551 to 600)
  • 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 451 to 500, reactions 501 to 550, 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

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: 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 551 to 600

C₉H₇O₂^- +  = C₉H₈O₂

By formula: C₉H₇O₂^- + H⁺ = C₉H₈O₂

C₁₁H₉O₄^- +  = C₁₁H₁₀O₄

By formula: C₁₁H₉O₄^- + H⁺ = C₁₁H₁₀O₄

C₉H₆BrO₂^- +  = C₉H₇BrO₂

By formula: C₉H₆BrO₂^- + H⁺ = C₉H₇BrO₂

C₇H₁₃S^- +  =

By formula: C₇H₁₃S^- + H⁺ = C₇H₁₄S

C₉H₄N^- +  = C₉H₅N

By formula: C₉H₄N^- + H⁺ = C₉H₅N

C₁₀H₁₅^- +  =

By formula: C₁₀H₁₅^- + H⁺ = C₁₀H₁₆

C₁₄H₁₁^- +  =

By formula: C₁₄H₁₁^- + H⁺ = C₁₄H₁₂

C₁₄H₁₁^- +  =

By formula: C₁₄H₁₁^- + H⁺ = C₁₄H₁₂

C₁₅H₁₃^- +  =

By formula: C₁₅H₁₃^- + H⁺ = C₁₅H₁₄

C₄H₅N₂^- +  =

By formula: C₄H₅N₂^- + H⁺ = C₄H₆N₂

C₁₈H₁₅^- +  =

By formula: C₁₈H₁₅^- + H⁺ = C₁₈H₁₆

C₁₃H₁₀F^- +  =

By formula: C₁₃H₁₀F^- + H⁺ = C₁₃H₁₁F

C₁₀H₁₁N₂^- +  = C₁₀H₁₂N₂

By formula: C₁₀H₁₁N₂^- + H⁺ = C₁₀H₁₂N₂

C₈H₅FN^- +  =

By formula: C₈H₅FN^- + H⁺ = C₈H₆FN

C₂HFN^- +  =

By formula: C₂HFN^- + H⁺ = C₂H₂FN

C₄H₉S^- +  =

By formula: C₄H₉S^- + H⁺ = C₄H₁₀S

C₇H₁₃O^- +  =

By formula: C₇H₁₃O^- + H⁺ = C₇H₁₄O

C₃H₇N₂O^- +  =

By formula: C₃H₇N₂O^- + H⁺ = C₃H₈N₂O

C₂H₄NO^- +  =

By formula: C₂H₄NO^- + H⁺ = C₂H₅NO

C₅H₁₀NO^- +  =

By formula: C₅H₁₀NO^- + H⁺ = C₅H₁₁NO

C₄H₆NO₃^- +  =

By formula: C₄H₆NO₃^- + H⁺ = C₄H₇NO₃

C₂HCl₃NO^- +  =

By formula: C₂HCl₃NO^- + H⁺ = C₂H₂Cl₃NO

C₇H₈N^- +  =

By formula: C₇H₈N^- + H⁺ = C₇H₉N

C₈H₁₀N^- +  =

By formula: C₈H₁₀N^- + H⁺ = C₈H₁₁N

C₂H₂F₃O₂S^- +  = C₂H₃F₃O₂S

By formula: C₂H₂F₃O₂S^- + H⁺ = C₂H₃F₃O₂S

C₈H₄F₃O₂^- +  =

By formula: C₈H₄F₃O₂^- + H⁺ = C₈H₅F₃O₂

C₄H₃S^- +  =

By formula: C₄H₃S^- + H⁺ = C₄H₄S

C₆H₅F₅NS^- +  = C₆H₆F₅NS

By formula: C₆H₅F₅NS^- + H⁺ = C₆H₆F₅NS

C₉H₈N^- +  =

By formula: C₉H₈N^- + H⁺ = C₉H₉N

C₁₀H₁₂NO^- +  =

By formula: C₁₀H₁₂NO^- + H⁺ = C₁₀H₁₃NO

C₃H₆NO₂^- +  =

By formula: C₃H₆NO₂^- + H⁺ = C₃H₇NO₂

CH₂NO^- +  =

By formula: CH₂NO^- + H⁺ = CH₃NO

C₇H₆NO^- +  =

By formula: C₇H₆NO^- + H⁺ = C₇H₇NO

C₅H₇N₂^- +  =

By formula: C₅H₇N₂^- + H⁺ = C₅H₈N₂

C₇H₆NO₂^- +  =

By formula: C₇H₆NO₂^- + H⁺ = C₇H₇NO₂

C₁₀H₇O^- +  =

By formula: C₁₀H₇O^- + H⁺ = C₁₀H₈O

C₉H₈NO^- +  =

By formula: C₉H₈NO^- + H⁺ = C₉H₉NO

C₄H₇S^- +  =

By formula: C₄H₇S^- + H⁺ = C₄H₈S

CHO₂S^- +  = CH₂O₂S

By formula: CHO₂S^- + H⁺ = CH₂O₂S

C₈H₈NO^- +  =

By formula: C₈H₈NO^- + H⁺ = C₈H₉NO

C₅N^- +  = C₅HN

By formula: C₅N^- + H⁺ = C₅HN

C₃H₄NO₂S^- +  =

By formula: C₃H₄NO₂S^- + H⁺ = C₃H₅NO₂S

C₄H₅O^- +  =

By formula: C₄H₅O^- + H⁺ = C₄H₆O

C₅H₇^- +  =

By formula: C₅H₇^- + H⁺ = C₅H₈

C₇H₇O^- +  =

By formula: C₇H₇O^- + H⁺ = C₇H₈O

CH₃OS^- +  =

By formula: CH₃OS^- + H⁺ = CH₄OS

CH₂^- +  =

By formula: CH₂^- + H⁺ = CH₃⁺

C₅H₁₀N^- +  =

By formula: C₅H₁₀N^- + H⁺ = C₅H₁₁N

C₃H₄F^- +  =

By formula: C₃H₄F^- + H⁺ = C₃H₅F

C₄H₇O^- +  =

By formula: C₄H₇O^- + H⁺ = C₄H₈O

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.

Taft, 1987
Taft, R.W., The Nature and Analysis of Substitutent Electronic Effects, Personal communication. See also 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]

Dahlke and Kass, 1991
Dahlke, G.D.; Kass, S.R., Substituent Effects in the Gas Phase - 1-Substituted Allyl Anions, J. Am. Chem. Soc., 1991, 113, 15, 5566, https://doi.org/10.1021/ja00015a008 . [all data]

Downard, Bowie, et al., 1992
Downard, K.M.; Bowie, J.H.; O'Hair, R.A.J.; Krempp, M.; DePuy, C.H., Gas Phase Reactions of the Methylsulfinyl and Methyldisulfide Anions, Int. J. Mass Spectrom. Ion Proc., 1992, 120, 3, 217, https://doi.org/10.1016/0168-1176(92)85050-A . [all data]

Yen, Garand, et al., 2010
Yen, T.A.; Garand, E.; Shreve, A.T.; Neumark, D.M., Anion Photoelectron Spectroscopy of C3N- and C5N-, J. Phys. Chem. A, 2010, 114, 9, 3215-3220, https://doi.org/10.1021/jp9093996 . [all data]

Dibeler, Reese, et al., 1961
Dibeler, V.H.; Reese, R.M.; Franklin, J.L., Mass spectrometric study of cyanogen and cyanoacetylenes, J. Am. Chem. Soc., 1961, 83, 1813. [all data]

Taft, Abboud, et al., 1988
Taft, R.W.; Abboud, J.L.M.; Anvia, F.; Berthelot, M.; Fujio, M.; Gal, J.-F.; Headley, A.D.; Henderson, W.G., Regarding the Inherent Dependence of Resonance Effects of Strongly Conjugated Substituents on Electron Demand, J. Am. Chem. Soc., 1988, 110, 6, 1797, https://doi.org/10.1021/ja00214a023 . [all data]

Chou, Dahlke, et al., 1993
Chou, P.K.; Dahlke, G.D.; Kass, S.R., Unimolecular Rearrangements of Carbanions in the Gas Phase .2. Cyclopropyl Anions, J. Chem. Soc. Chem. Comm., 1993, 115, 1, 315, https://doi.org/10.1021/ja00054a045 . [all data]

Fattahi, McCarthy, et al., 2003
Fattahi, A.; McCarthy, R.E.; Ahmad, M.R.; Kass, S.R., Why does cyclopropene have the acidity of an acetylene but the bond energy of methane?, J. Am. Chem. Soc., 2003, 125, 38, 11746-11750, https://doi.org/10.1021/ja035725s . [all data]

Dahlke and Kass, 1992
Dahlke, G.D.; Kass, S.R., The Ortho-dehydrophenoxy Anion, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 633, https://doi.org/10.1016/0168-1176(92)80117-J . [all data]

Leopold, Murray, et al., 1985
Leopold, D.G.; Murray, K.K.; Miller, A.E.S.; Lineberger, W.C., Methylene: A study of the X3B1 and the 1A1 states by photoelectron spectroscopy of CH₂^- and CD₂^-, J. Chem. Phys., 1985, 83, 4849. [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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