Acetic acid, protonated

• Formula: C₂H₅O⁺
• Molecular weight: 45.0600
• Information on this page:
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
• Options:
  • Switch to SI units

Ion clustering 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: 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

C₂H₅O⁺ +  = (C₂H₅O⁺ • )

By formula: C₂H₅O⁺ + C₂H₄O = (C₂H₅O⁺ • C₂H₄O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₂H₅O⁺ +  = (C₂H₅O⁺ • )

By formula: C₂H₅O⁺ + C₂H₄O₂ = (C₂H₅O⁺ • C₂H₄O₂)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₂H₅O⁺ • ) +  = (C₂H₅O⁺ • 2)

By formula: (C₂H₅O⁺ • C₂H₄O₂) + C₂H₄O₂ = (C₂H₅O⁺ • 2C₂H₄O₂)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₂H₅O⁺ • 2) +  = (C₂H₅O⁺ • 3)

By formula: (C₂H₅O⁺ • 2C₂H₄O₂) + C₂H₄O₂ = (C₂H₅O⁺ • 3C₂H₄O₂)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₂H₅O⁺ • 3) +  = (C₂H₅O⁺ • 4)

By formula: (C₂H₅O⁺ • 3C₂H₄O₂) + C₂H₄O₂ = (C₂H₅O⁺ • 4C₂H₄O₂)

Bond type: Hydrogen bonds of the type OH-O between organics

Free energy of reaction

C₂H₅O⁺ +  = (C₂H₅O⁺ • )

By formula: C₂H₅O⁺ + C₂H₆O = (C₂H₅O⁺ • C₂H₆O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₂H₅O⁺ +  = (C₂H₅O⁺ • )

By formula: C₂H₅O⁺ + H₂O = (C₂H₅O⁺ • H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

(C₂H₅O⁺ • ) +  = (C₂H₅O⁺ • 2)

By formula: (C₂H₅O⁺ • H₂O) + H₂O = (C₂H₅O⁺ • 2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

(C₂H₅O⁺ • 2) +  = (C₂H₅O⁺ • 3)

By formula: (C₂H₅O⁺ • 2H₂O) + H₂O = (C₂H₅O⁺ • 3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

(C₂H₅O⁺ • 3) +  = (C₂H₅O⁺ • 4)

By formula: (C₂H₅O⁺ • 3H₂O) + H₂O = (C₂H₅O⁺ • 4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

References

Go To: Top, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Larson and McMahon, 1982
Larson, J.W.; McMahon, T.B., Formation, Thermochemistry, and Relative Stabilities of Proton - Bound dimers of Oxygen n - Donor Bases from Ion Cyclotron Resonance Solvent - Exchange Equilibria Measurements, J. Am. Chem. Soc., 1982, 104, 23, 6255, https://doi.org/10.1021/ja00387a016 . [all data]

Grimsrud and Kebarle, 1973
Grimsrud, E.P.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Solvation of the Hydrogen Ion by Methanol, Dimethyl Ether and Water. Effect of Hydrogen Bonding, J. Am. Chem. Soc., 1973, 95, 24, 7939, https://doi.org/10.1021/ja00805a002 . [all data]

Lias, Liebman, et al., 1984
Lias, S.G.; Liebman, J.F.; Levin, R.D., Evaluated gas phase basicities and proton affinities of molecules heats of formation of protonated molecules, J. Phys. Chem. Ref. Data, 1984, 13, 695. [all data]

Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr., Thermochemical data on Ggs-phase ion-molecule association and clustering reactions, J. Phys. Chem. Ref. Data, 1986, 15, 1011. [all data]

Meot-Ner (Mautner), 1992
Meot-Ner (Mautner), M., Intermolecular Forces in Organic Clusters, J. Am. Chem. Soc., 1992, 114, 9, 3312, https://doi.org/10.1021/ja00035a024 . [all data]

Meot-Ner (Mautner), 1984
Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 2. Hydration of Onium Ions by 1 - 7 H2O Molecules. Relations Between Monomolecular, Specific and Bulk Hydration, J. Am. Chem. Soc., 1984, 106, 5, 1265, https://doi.org/10.1021/ja00317a016 . [all data]

Davidson, Sunner J., et al., 1979
Davidson, W.R.; Sunner J.; Kebarle, P., Hydrogen Bonding of Water to Onium Ions. Hydration of Substituted Pyridinium Ions and Related Systems, J. Am. Chem. Soc., 1979, 101, 7, 1675, https://doi.org/10.1021/ja00501a005 . [all data]

Notes

Go To: Top, Ion clustering data, References

• Symbols used in this document:
  

  T	Temperature
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.