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 751 to 800)
  • 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 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 751 to 800

C₄H₄NO₂^- +  =

By formula: C₄H₄NO₂^- + H⁺ = C₄H₅NO₂

 +  =

By formula: C^- + H⁺ = CH

Li^- +  =

By formula: Li^- + H⁺ = HLi

C₄H₇O^- +  =

By formula: C₄H₇O^- + H⁺ = C₄H₈O

C₅H₉O^- +  =

By formula: C₅H₉O^- + H⁺ = C₅H₁₀O

C₂H₇Si^- +  =

By formula: C₂H₇Si^- + H⁺ = C₂H₈Si

CH₄AlO₂^- +  = CH₅AlO₂

By formula: CH₄AlO₂^- + H⁺ = CH₅AlO₂

C₅H₄N₃O₂^- +  =

By formula: C₅H₄N₃O₂^- + H⁺ = C₅H₅N₃O₂

C₃HF₆O^- +  =

By formula: C₃HF₆O^- + H⁺ = C₃H₂F₆O

C₂H₆AlO^- +  = C₂H₇AlO

By formula: C₂H₆AlO^- + H⁺ = C₂H₇AlO

C₇H₆I^- +  =

By formula: C₇H₆I^- + H⁺ = C₇H₇I

C₅H₇^- +  =

By formula: C₅H₇^- + H⁺ = C₅H₈

 +  =

By formula: NO^- + H⁺ = HNO

C₈H₅^- +  =

By formula: C₈H₅^- + H⁺ = C₈H₆

C₂H₅S₂^- +  = C₂H₆S₂

By formula: C₂H₅S₂^- + H⁺ = C₂H₆S₂

HOSi^- +  = H₂OSi

By formula: HOSi^- + H⁺ = H₂OSi

HP₂^- +  = H₂P₂

By formula: HP₂^- + H⁺ = H₂P₂

C₃H₄Br^- +  =

By formula: C₃H₄Br^- + H⁺ = C₃H₅Br

C₆H₃Cl₂^- +  =

By formula: C₆H₃Cl₂^- + H⁺ = C₆H₄Cl₂

K^- +  =

By formula: K^- + H⁺ = HK

C₈H₉^- +  =

By formula: C₈H₉^- + H⁺ = C₈H₁₀

C₃F₆NO₃S^- +  = C₃HF₆NO₃S

By formula: C₃F₆NO₃S^- + H⁺ = C₃HF₆NO₃S

C₆F₁₂NO₃S^- +  = C₆HF₁₂NO₃S

By formula: C₆F₁₂NO₃S^- + H⁺ = C₆HF₁₂NO₃S

C₉F₁₈NO₃S^- +  = C₉HF₁₈NO₃S

By formula: C₉F₁₈NO₃S^- + H⁺ = C₉HF₁₈NO₃S

C₆F₁₂NO₃S^- +  = C₆HF₁₂NO₃S

By formula: C₆F₁₂NO₃S^- + H⁺ = C₆HF₁₂NO₃S

C₈F₁₆NO₃S^- +  = C₈HF₁₆NO₃S

By formula: C₈F₁₆NO₃S^- + H⁺ = C₈HF₁₆NO₃S

C₁₃F₂₁O₃^- +  = C₁₃HF₂₁O₃

By formula: C₁₃F₂₁O₃^- + H⁺ = C₁₃HF₂₁O₃

C₂NO₂^- +  = C₂HNO₂

By formula: C₂NO₂^- + H⁺ = C₂HNO₂

H₃FNSi^- +  = H₄FNSi

By formula: H₃FNSi^- + H⁺ = H₄FNSi

C₆H₈NSi^- +  = C₆H₉NSi

By formula: C₆H₈NSi^- + H⁺ = C₆H₉NSi

Ge^- +  =

By formula: Ge^- + H⁺ = GeH

H₄NSi^- +  = H₅NSi

By formula: H₄NSi^- + H⁺ = H₅NSi

CH₆NOSi^- +  = CH₇NOSi

By formula: CH₆NOSi^- + H⁺ = CH₇NOSi

Rb^- +  = HRb

By formula: Rb^- + H⁺ = HRb

C₃H₉O₂Si^- +  = C₃H₁₀O₂Si

By formula: C₃H₉O₂Si^- + H⁺ = C₃H₁₀O₂Si

FP₂^- +  = HFP₂

By formula: FP₂^- + H⁺ = HFP₂

C₂H₄NO₂^- +  =

By formula: C₂H₄NO₂^- + H⁺ = C₂H₅NO₂

CH₂NO₂^- +  = CH₃NO₂

By formula: CH₂NO₂^- + H⁺ = CH₃NO₂

C₅H₁₃OSi^- +  = C₅H₁₄OSi

By formula: C₅H₁₃OSi^- + H⁺ = C₅H₁₄OSi

CH₅OSi^- +  = CH₆OSi

By formula: CH₅OSi^- + H⁺ = CH₆OSi

C₇H₆I^- +  =

By formula: C₇H₆I^- + H⁺ = C₇H₇I

C₇H₆I^- +  =

By formula: C₇H₆I^- + H⁺ = C₇H₇I

C₇H₆I^- +  =

By formula: C₇H₆I^- + H⁺ = C₇H₇I

 +  =

By formula: CH₃N₂^- + H⁺ = CH₂N₂

 +  =

By formula: Al^- + H⁺ = HAl

C₂H₇OSi^- +  =

By formula: C₂H₇OSi^- + H⁺ = C₂H₈OSi

C₄H₁₁OSi^- +  =

By formula: C₄H₁₁OSi^- + H⁺ = C₄H₁₂OSi

C₈H₁₁OSi^- +  = C₈H₁₂OSi

By formula: C₈H₁₁OSi^- + H⁺ = C₈H₁₂OSi

C₂₃H₃₁OSi^- +  = C₂₃H₃₂OSi

By formula: C₂₃H₃₁OSi^- + H⁺ = C₂₃H₃₂OSi

Se^- +  =

By formula: Se^- + H⁺ = HSe

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.

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]

Cooper and Compton, 1973
Cooper, C.D.; Compton, R.N., Electron attachment and cesium collisional ionization studies of tetrafluorosuccinic and hexafluoroglutaric anhydrides: Molecular electron affinities, J. Chem. Phys., 1973, 59, 3550. [all data]

Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K., Systematic study of the stable states of C-, Si-, Ge-, and Sn- via infrared laser spectroscopy, Phys. Rev. A, 1998, 58, 4, 2844-2856, https://doi.org/10.1103/PhysRevA.58.2844 . [all data]

Haeffler, Hanstorp, et al., 1996
Haeffler, G.; Hanstorp, G.; Kiyan, I.; Klinkm|ller, A.E.; Ljungblad, U.; Pegg, D.J., Electron affinity of Li: A state-selective measurement, Phys. Rev. A, 1996, 53, 6, 4127-4131, https://doi.org/10.1103/PhysRevA.53.4127 . [all data]

Graul, Schnute, et al., 1990
Graul, S.T.; Schnute, M.E.; Squires, R.R., Gas-Phase Acidities of Carboxylic Acids and Alcohols from Collision-Induced Dissociation of Dimer Cluster Ions, Int. J. Mass Spectrom. Ion Proc., 1990, 96, 2, 181, https://doi.org/10.1016/0168-1176(90)87028-F . [all data]

Zimmerman, Reed, et al., 1977
Zimmerman, A.H.; Reed, K.J.; Brauman, J.I., Photodetachment of electrons from enolate anions. Gas phase electron affinities of enolate radicals, J. Am. Chem. Soc., 1977, 99, 7203. [all data]

Damrauer, Kass, et al., 1988
Damrauer, R.; Kass, S.R.; DePuy, C.H., Gas-Phase Acidities of Methylsilanes: C-H versus Si-H, Organomet., 1988, 7, 3, 637, https://doi.org/10.1021/om00093a011 . [all data]

Damrauer, Krempp, et al., 1991
Damrauer, R.; Krempp, M.; Schmidt, M.W.; Gordon, M.S., Gas-Phase Chemistry of the Dimethylaluminum Oxide Ion and Related Aluminum Oxide Ions - Comparison of Reactivity with Siloxide Ions, J. Am. Chem. Soc., 1991, 113, 7, 2393, https://doi.org/10.1021/ja00007a007 . [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]

Taft, Koppel, et al., 1990
Taft, R.W.; Koppel, I.J.; Topsom, R.D.; Anvia, F., Acidities of OH Compounds, including Alcohols, Phenols, Carboxylic Acids, and Mineral Acids, J. Am. Chem. Soc., 1990, 112, 6, 2047, https://doi.org/10.1021/ja00162a001 . [all data]

Koppel, Pikver, et al., 1981
Koppel, I.; Pikver, R.; Sugis, A.; Suurmaa, E.; Lippmaa, E., FTICR Study of Structure and Solvent Effects on Basicity of Some Anions in the Gas Phase, Org. Reac., 1981, 18, 3. [all data]

Poutsma, Nash, et al., 1997
Poutsma, J.C.; Nash, J.J.; Paulino, J.A.; Squires, R.R., Absolute Heats of Formation of Phenylcarbene and Vinylcarbene, J. Am. Chem. Soc., 1997, 119, 20, 4686, https://doi.org/10.1021/ja963918s . [all data]

Bartmess and McIver Jr., 1979
Bartmess, J.E.; McIver Jr., The Gas Phase Acidity Scale in Gas Phase Ion Chemistry, Gas Phase Ion Chemistry, V. 2, M.T. Bowers, Ed., Academic Press, NY, 1979, Ch. 11, Elsevier, 1979. [all data]

Travers, Cowles, et al., 1989
Travers, M.J.; Cowles, D.C.; Ellison, G.B., Reinvestigation of the Electron Affinities of O2 and NO, Chem. Phys. Lett., 1989, 164, 5, 449, https://doi.org/10.1016/0009-2614(89)85237-6 . [all data]

Broadus and Kass, 2000
Broadus, K.M.; Kass, S.R., Benzocyclobutadienyl anion: Formation and energetics of an antiaromatic molecule, J. Org. Chem., 2000, 65, 20, 6566-6571, https://doi.org/10.1021/jo000709o . [all data]

Grabowski and Zhang, 1989
Grabowski, J.J.; Zhang, L., Dimethyl Disulfide: Anion-Molecule Reactions in the Gas Phase at 300 K, J. Am. Chem. Soc., 1989, 111, 4, 1193, https://doi.org/10.1021/ja00186a005 . [all data]

Gronert, O'Hair, et al., 1990
Gronert, S.; O'Hair, R.A.J.; Prodnuk, S.; Suzle, D.; Damrauer, R.; DePuy, C.H., Gas-Phase Chemistry of the Silaformyl Anion, HSiO-, J. Am. Chem. Soc., 1990, 112, 3, 997, https://doi.org/10.1021/ja00159a016 . [all data]

O'Hair, Krempp, et al., 1992
O'Hair, R.A.J.; Krempp, M.; Damrauer, R.; Depuy, C.H., Gas-Phase Ion Chemistry of HP2(-), FP2(-), and HP2(+), Inorg. Chem., 1992, 31, 11, 2092, https://doi.org/10.1021/ic00037a021 . [all data]

Schlosser, Marzi, et al., 2001
Schlosser, M.; Marzi, E.; Cottet, F.; Buker, H.H.; Nibbering, N.M.M., The acidity of chloro-substituted benzenes: A comparison of gas phase, ab initio, and kinetic data, Chem. Eur. J., 2001, 7, 16, 3511-3516, https://doi.org/10.1002/1521-3765(20010817)7:16<3511::AID-CHEM3511>3.0.CO;2-U . [all data]

Andersson, Sandstrom, et al., 2000
Andersson, K.T.; Sandstrom, J.; Kiyan, I.Y.; Hanstorp, D.; Pegg, D.J., Measurement of the electron affinity of potassium - art. no. 022503, Phys. Rev. A, 2000, 62, 2, 22503, https://doi.org/10.1103/PhysRevA.62.022503 . [all data]

Brickhouse and Squires, 1988
Brickhouse, M.D.; Squires, R.R., Gas Phase Bronsted vs. Lewis Acid-Base Reactions of 6,6-Dimethylfulvene. A Sensitive Probe of the Electronic Structures of Organic Anions, J. Am. Chem. Soc., 1988, 110, 9, 2706, https://doi.org/10.1021/ja00217a002 . [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]

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]

Schmitt, Krempp, et al., 1992
Schmitt, R.J.; Krempp, M.; Bierbaum, V.M., Gas Phase Chemistry of Dinitramide and Nitroacetylide Ions, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 621, https://doi.org/10.1016/0168-1176(92)80116-I . [all data]

Krempp and Damrauer, 1995
Krempp, M.; Damrauer, R., The Gas-phase Chemistry of Silamide Ions, Organomet., 1995, 14, 1, 170, https://doi.org/10.1021/om00001a027 . [all data]

Frey, Breyer, et al., 1978
Frey, P.; Breyer, F.; Hotop, H., High Resolutions Photodetachment from the Rubidium Negative Ion around the Rb(5p1/2) Threshold, J. Phys. B: Atom. Mol. Phys., 1978, 11, 19, L589, https://doi.org/10.1088/0022-3700/11/19/005 . [all data]

Damrauer, Simon, et al., 1991
Damrauer, R.; Simon, R.; Krempp, M., Effect of Substituents on the Gas-Phase Acidity of Silanols, J. Am. Chem. Soc., 1991, 113, 12, 4431, https://doi.org/10.1021/ja00012a009 . [all data]

Decouzon, Exner, et al., 1990
Decouzon, M.; Exner, O.; Gal, J.-F.; Maria, P.-C., The Gas-Phase Acidity and the Acidic Site of Acetohydroxamic Acid: an FT-ICR Study, J. Org. Chem., 1990, 55, 13, 3980, https://doi.org/10.1021/jo00300a007 . [all data]

Thomas, Bloor, et al., 1990
Thomas, D.A.; Bloor, J.E.; Bartmess, J.E., The Structures of the (M-H) Anions of the CH3NO2 Isomers Nitromethane and Methyl Nitrite, J. Am. Soc. Mass Spectrom., 1990, 1, 4, 295, https://doi.org/10.1016/1044-0305(90)85004-6 . [all data]

Wenthold, Wierschke, et al., 1994
Wenthold, P.G.; Wierschke, S.G.; Nash, J.J.; Squires, R.R., Biradical thermochemistry from collision-induced dissociation threshold energy measurements .2. Experimental and theoretical studies of the Mechanism and Thermochemistry of Formation of alph, J. Am. Chem. Soc., 1994, 116, 16, 7378, https://doi.org/10.1021/ja00095a048 . [all data]

Broadus and Kass, 1999
Broadus, K.M.; Kass, S.R., Conjugate Base of a Cyclic Hydrazine: Formation and Energetics of N-Diaziridyl Anion, Int. J. Mass Spectrom., 1999, 185, 179, https://doi.org/10.1016/S1387-3806(98)14164-7 . [all data]

Scheer, Bilodeau, et al., 1998, 2
Scheer, M.; Bilodeau, RC; Thogresen, J.; Haugen, HK, Threshold Photodetachment of Al-: Electron Affinity and Fine Structure, Phys. Rev. A, 1998, 57, 3, R1493-, https://doi.org/10.1103/PhysRevA.57.R1493 . [all data]

Mishima, Mustanir, et al., 2000
Mishima, M.; Mustanir; Eventova, I.; Rappoport, Z., Acidities and pK(Enol) values of stable simple enols in the gas phase, J. Chem. Soc. Perkin Trans., 2000, 2, 7, 1505-1512, https://doi.org/10.1039/b001155j . [all data]

Vandevraye, Drag, et al., 2012
Vandevraye, M.; Drag, C.; Blondel, C., Electron affinity of selenium measured by photodetachment microscopy, Phys. Rev. A, 2012, 85, 1, 015401, https://doi.org/10.1103/PhysRevA.85.015401 . [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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