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 1201 to 1250)
  • 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 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 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 1201 to 1250

CHN₄^- +  =

By formula: CHN₄^- + H⁺ = CH₂N₄

C₂H₆B₅^- +  = C₂H₇B₅

By formula: C₂H₆B₅^- + H⁺ = C₂H₇B₅

C₁₃H₁₅O₄^- +  =

By formula: C₁₃H₁₅O₄^- + H⁺ = C₁₃H₁₆O₄

C₆H₃N₂O₅^- +  =

By formula: C₆H₃N₂O₅^- + H⁺ = C₆H₄N₂O₅

CH₂NO^- +  =

By formula: CH₂NO^- + H⁺ = CH₃NO

C₁₀H₉N₂^- +  =

By formula: C₁₀H₉N₂^- + H⁺ = C₁₀H₁₀N₂

C₁₂H₁₇O₄^- +  = C₁₂H₁₈O₄

By formula: C₁₂H₁₇O₄^- + H⁺ = C₁₂H₁₈O₄

C₇H₅FeO₃^- +  =

By formula: C₇H₅FeO₃^- + H⁺ = C₇H₆FeO₃

CH₃Cl₂Si^- +  =

By formula: CH₃Cl₂Si^- + H⁺ = CH₄Cl₂Si

C₆H₆NO₂S^- +  =

By formula: C₆H₆NO₂S^- + H⁺ = C₆H₇NO₂S

C₂H₃O₂^- +  =

By formula: C₂H₃O₂^- + H⁺ = C₂H₄O₂

C₁₁F₉N₂^- +  = C₁₃HF₉N₂

By formula: C₁₁F₉N₂^- + H⁺ = C₁₃HF₉N₂

C₁₃F₉N₂^- +  = C₁₃HF₉N₂

By formula: C₁₃F₉N₂^- + H⁺ = C₁₃HF₉N₂

C₇H₉O₄^- +  =

By formula: C₇H₉O₄^- + H⁺ = C₇H₁₀O₄

C₁₂F₁₀N^- +  =

By formula: C₁₂F₁₀N^- + H⁺ = C₁₂HF₁₀N

C₅HF₄N₂^- +  = C₅H₂F₄N₂

By formula: C₅HF₄N₂^- + H⁺ = C₅H₂F₄N₂

HMg^- +  =

By formula: HMg^- + H⁺ = H₂Mg

 +  =

By formula: C₈H₇O₄^- + H⁺ = C₈H₈O₄

C₇H₅O₄^- +  =

By formula: C₇H₅O₄^- + H⁺ = C₅H₁₁NO₂

OS^- +  = HOS

By formula: OS^- + H⁺ = HOS

C₆H₄NO₃^- +  =

By formula: C₆H₄NO₃^- + H⁺ = C₆H₅NO₃

F₁₂IrP₄^- +  = HF₁₂IrP₄

By formula: F₁₂IrP₄^- + H⁺ = HF₁₂IrP₄

Sn^- +  = HSn

By formula: Sn^- + H⁺ = HSn

C₂H₄ClO^- +  =

By formula: C₂H₄ClO^- + H⁺ = C₂H₅ClO

CoF₁₂P₄^- +  = HCoF₁₂P₄

By formula: CoF₁₂P₄^- + H⁺ = HCoF₁₂P₄

HMoO₄^- +  =

By formula: HMoO₄^- + H⁺ = H₂MoO₄

C₉H₆NO^- +  =

By formula: C₉H₆NO^- + H⁺ = C₉H₇NO

C₅MnO₅^- +  =

By formula: C₅MnO₅^- + H⁺ = C₅HMnO₅

C₂H₃Te^- +  = C₂H₄Te

By formula: C₂H₃Te^- + H⁺ = C₂H₄Te

Te^- +  = HTe

By formula: Te^- + H⁺ = HTe

H₃P₂^- +  =

By formula: H₃P₂^- + H⁺ = H₄P₂

Ni^- +  = HNi

By formula: Ni^- + H⁺ = HNi

Sr^- +  = HSr

By formula: Sr^- + H⁺ = HSr

C₉H₃F₉NO₇S₃^- +  = C₉H₄F₉NO₇S₃

By formula: C₉H₃F₉NO₇S₃^- + H⁺ = C₉H₄F₉NO₇S₃

C₁₂H₇Cl₂N₂O₆S₂^- +  = C₁₂H₈Cl₂N₂O₆S₂

By formula: C₁₂H₇Cl₂N₂O₆S₂^- + H⁺ = C₁₂H₈Cl₂N₂O₆S₂

C₁₂H₄ClF₅NO₄S₂^- +  = C₁₂H₅ClF₅NO₄S₂

By formula: C₁₂H₄ClF₅NO₄S₂^- + H⁺ = C₁₂H₅ClF₅NO₄S₂

C₁₂H₄F₅N₂O₆S₂^- +  = C₁₂H₅F₅N₂O₆S₂

By formula: C₁₂H₄F₅N₂O₆S₂^- + H⁺ = C₁₂H₅F₅N₂O₆S₂

C₁₂H₄F₅N₂O₆S₂^- +  = C₁₂H₅F₅N₂O₆S₂

By formula: C₁₂H₄F₅N₂O₆S₂^- + H⁺ = C₁₂H₅F₅N₂O₆S₂

C₁₂H₃ClF₅N₂O₆S₂^- +  = C₁₂H₄ClF₅N₂O₆S₂

By formula: C₁₂H₃ClF₅N₂O₆S₂^- + H⁺ = C₁₂H₄ClF₅N₂O₆S₂

C₇H₁₀O₄^-2 +  = C₇H₁₁O₄^-2

By formula: C₇H₁₀O₄^-2 + H⁺ = C₇H₁₁O₄^-2

C₆H₈O₄^-2 +  = C₆H₉O₄^-2

By formula: C₆H₈O₄^-2 + H⁺ = C₆H₉O₄^-2

C₆H₁₁O₂^- +  =

By formula: C₆H₁₁O₂^- + H⁺ = C₆H₁₂O₂

C₁₃H₁₁N₂O₆S₂^- +  = C₁₃H₁₂N₂O₆S₂

By formula: C₁₃H₁₁N₂O₆S₂^- + H⁺ = C₁₃H₁₂N₂O₆S₂

C₁₁F₁₅S^- +  = C₁₁HF₁₅S

By formula: C₁₁F₁₅S^- + H⁺ = C₁₁HF₁₅S

C₁₃H₁₀ClN₂O₆S₂^- +  = C₁₃H₁₁ClN₂O₆S₂

By formula: C₁₃H₁₀ClN₂O₆S₂^- + H⁺ = C₁₃H₁₁ClN₂O₆S₂

C₁₂H₈N₃O₈S₂^- +  = C₁₂H₉N₃O₈S₂

By formula: C₁₂H₈N₃O₈S₂^- + H⁺ = C₁₂H₉N₃O₈S₂

C₅H₆O₄^-2 +  = C₅H₇O₄^-2

By formula: C₅H₆O₄^-2 + H⁺ = C₅H₇O₄^-2

C₁₄H₅F₅N^- +  = C₁₄H₆F₅N

By formula: C₁₄H₅F₅N^- + H⁺ = C₁₄H₆F₅N

C₁₃H₅F₄N₂^- +  = C₁₃H₆F₄N₂

By formula: C₁₃H₅F₄N₂^- + H⁺ = C₁₃H₆F₄N₂

C₁₅H₈F₄N^- +  = C₁₅H₉F₄N

By formula: C₁₅H₈F₄N^- + H⁺ = C₁₅H₉F₄N

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, 1991
Taft, R.W., , personal communication, Aug, 1991. [all data]

Onak, Howard, et al., 1973
Onak, T.; Howard, J.; Brown, C., Negative Ion Mass Spectrometry of closo-Carboranes, J. Chem. Soc. Dalton 76, 1973. [all data]

DiDomenico and Franklin, 1972
DiDomenico, A.; Franklin, J.L., Negative ions in the mass spectrum of nitromethane, Int. J. Mass Spectrom. Ion Phys., 1972, 9, 171. [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]

Wang and Squires, 1987
Wang, D.N.; Squires, R.R., Gas Phase Ion Chemistry of Two Isomeric (C4H6)Fe(CO)3 Complexes, Organomet., 1987, 6, 5, 905, https://doi.org/10.1021/om00148a001 . [all data]

Jaeger and Henglein, 1968
Jaeger, K.; Henglein, A., Die Bildung negativer Ionen aus SiCl₄ und organischen Siliciumchloriden durch Elektronenstoss, Z. Naturfor., 1968, 23A, 1122. [all data]

Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]

Dawson and Nibbering, 1980
Dawson, J.H.J.; Nibbering, N.M.M., The gas phase anionic chemistry of saturated and unsaturated aliphatic nitriles, Int. J. Mass Spectrom. Ion Phys., 1980, 33, 3. [all data]

Koppel, Koppel, et al., 1998
Koppel, I.; Koppel, J.; Maria, P.C.; Gal, J.F.; Notario, R.; Vlasov, V.M.; Taft, R.W., Comparison of Bronsted acidities of neutral NH-acids in gas phase, dimethyl sulfoxide and water, Int. J. Mass Spectrom., 1998, 175, 1-2, 61-69, https://doi.org/10.1016/S0168-1176(98)00113-X . [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]

Rackwitz, Feldman, et al., 1977
Rackwitz, R.; Feldman, D.; Kaiser, H.J.; Heincke, E., Photodetachment bei einigen zweiatomigen negativen hydridionen: BeH-, MgH-, CaH-, ZnH-, PH-, AsH-, Z. Naturforsch. A:, 1977, 32, 594. [all data]

Hinde, 2000
Hinde, R.J., Ab initio gas-phase acidities of NaH, MgH2, and AlH3, J. Phys. Chem. A, 2000, 104, 32, 7580-7585, https://doi.org/10.1021/jp994138j . [all data]

Breuker, Knochenmuss, et al., 1999
Breuker, K.; Knochenmuss, R.; Zenobi, R., Gas-phase basicities of deprotonated matrix-assisted laser desorption/ionization matrix molecules, Int. J. Mass Spectrom., 1999, 184, 1, 25-38, https://doi.org/10.1016/S1387-3806(98)14200-8 . [all data]

Polak, Fiala, et al., 1991
Polak, M.L.; Fiala, B.L.; Lineberger, W.C.; Ervin, K.M., The Ultraviolet Photoelectron Spectrum of SO-, J. Chem. Phys., 1991, 94, 10, 6926, https://doi.org/10.1063/1.460223 . [all data]

Miller, Kawamura, et al., 1990
Miller, A.E.S.; Kawamura, A.R.; Miller, T.M., Effects of Metal and Ligand Substitutions on Gas-Phase Acidities of Transition-Metal Hydrides, J. Am. Chem. Soc., 1990, 112, 1, 457, https://doi.org/10.1021/ja00157a075 . [all data]

Vandevraye, Drag, et al., 2013
Vandevraye, M.; Drag, C.; Blondel, C., Electron affinity of tin measured by photodetachment microscopy, J. Phys. B: Atom. Mol. Opt. Phys., 2013, 46, 12, 125002, https://doi.org/10.1088/0953-4075/46/12/125002 . [all data]

Paulino and Squires, 1991
Paulino, J.A.; Squires, R.R., Carbene Anion Complexes - Unusual Structural and Thermochemical Features of alpha-Halocarbanions in the Gas Phase, J. Am. Chem. Soc., 1991, 113, 5, 1845, https://doi.org/10.1021/ja00005a067 . [all data]

Miller, 1979
Miller, W.J., The use of flames as media for the study of in-molecule thermochemistry in characterization of high temperature vapors and gases, NBS Spec. Publ. U.S., 1979, 561, 443. [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]

Guillemin, Riague, et al., 2005
Guillemin, J.C.; Riague, E.H.; Gal, J.F.; Maria, P.C.; Mo, O.; Yanez, M., Acidity trends in alpha,beta-unsaturated sulfur, selenium, and tellurium derivatives: Comparison with C-, Si-, Ge-, Sn-, N-, P-, As-, and Sb-containing analogues, Chem. Eur. J., 2005, 11, 7, 2145-2153, https://doi.org/10.1002/chem.200400989 . [all data]

Haeffler, Klinkmüller, et al., 1996
Haeffler, G.; Klinkmüller, A.E.; Rangell, J.; Berzinsh, U.; Hanstorp, D., The Electron Affinity of Tellurium, Z. Phys. D, 1996, 38, 3, 211, https://doi.org/10.1007/s004600050085 . [all data]

Smyth and Brauman, 1972
Smyth, K.C.; Brauman, J.I., Photodetachment of electrons from phosphide ion the electron affinity of PH₂^-, J. Chem. Phys., 1972, 56, 1132. [all data]

Scheer, Brodie, et al., 1998
Scheer, M.; Brodie, C.A.; Bilodeau, R.C.; Haugen, H.K., Laser spectroscopic measurements of binding energies and fine-structure splittings of Co-, Ni-, Rh-, and Pd-, Phys. Rev. A, 1998, 58, 3, 2051-2062, https://doi.org/10.1103/PhysRevA.58.2051 . [all data]

Andersen, Petrunin, et al., 1997
Andersen, H.H.; Petrunin, V.V.; Kristensen, P.; Andersen, T., Structural properties of the negative strontium ion: Binding energy and fine-structure splitting, Phys. Rev. A, 1997, 55, 4, 3247-3249, https://doi.org/10.1103/PhysRevA.55.3247 . [all data]

Leito, Raamat, et al., 2009
Leito, I.; Raamat, E.; Kutt, A.; Saame, J.; Kipper, K.; Koppel, I.A.; Koppel, I.; Zhang, M.; Mishima, M.; Yagupolskii, L.M.; Garlyauskayte, R.Y.; Filatov, A.A., Revision of the Gas-Phase Acidity Scale below 300 kcal mol(-1), J. Phys. Chem. A, 2009, 113, 29, 8421-8424, https://doi.org/10.1021/jp903780k . [all data]

Ding, Wang, et al., 1998
Ding, C.F.; Wang, X.B.; Wang, L.S., Photoelectron spectroscopy of doubly charged anions: Intramolecular Coulomb repulsion and solvent stabilization, J. Phys. Chem. A, 1998, 102, 45, 8633-8636, https://doi.org/10.1021/jp982698x . [all data]

Chen, Walthall, et al., 2004
Chen, X.; Walthall, D.A.; Brauman, J.I., Acidities in cyclohexanediols enhanced by intramolecular hydrogen bonds, J. Am. Chem. Soc., 2004, 126, 39, 12614-12620, https://doi.org/10.1021/ja049780s . [all data]

Koppel, Koppel, et al., 2000
Koppel, I.A.; Koppel, J.; Pihl, V.; Leito, I.; Mishima, M.; Vlasov, V.M.; Yagupolskii, L.M.; Taft, R.W., Comparison of Bronsted acidities of neutral CH acids in gas phase and dimethyl sulfoxide, J. Chem. Soc. Perkin Trans., 2000, 2, 6, 1125-1133, https://doi.org/10.1039/b001792m . [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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