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Imidazole, protonated


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: 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. 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.

Individual Reactions

(C3H4N2+ bullet 2Water) + Water = (C3H4N2+ bullet 3Water)

By formula: (C3H4N2+ bullet 2H2O) + H2O = (C3H4N2+ bullet 3H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar51.0kJ/molPHPMSMeot-Ner (Mautner), 1988gas phase
Quantity Value Units Method Reference Comment
Deltar125.J/mol*KPHPMSMeot-Ner (Mautner), 1988gas phase

(C3H4N2+ bullet Water) + Water = (C3H4N2+ bullet 2Water)

By formula: (C3H4N2+ bullet H2O) + H2O = (C3H4N2+ bullet 2H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar52.7kJ/molPHPMSMeot-Ner (Mautner), 1988gas phase
Quantity Value Units Method Reference Comment
Deltar97.5J/mol*KPHPMSMeot-Ner (Mautner), 1988gas phase

C3H4N2+ + Water = (C3H4N2+ bullet Water)

By formula: C3H4N2+ + H2O = (C3H4N2+ bullet H2O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar61.9kJ/molPHPMSMeot-Ner (Mautner), 1988gas phase
Quantity Value Units Method Reference Comment
Deltar99.6J/mol*KPHPMSMeot-Ner (Mautner), 1988gas phase

(C3H4N2+ bullet L-Alanine, N-acetyl-, methyl ester) + L-Alanine, N-acetyl-, methyl ester = (C3H4N2+ bullet 2L-Alanine, N-acetyl-, methyl ester)

By formula: (C3H4N2+ bullet C6H11NO3) + C6H11NO3 = (C3H4N2+ bullet 2C6H11NO3)

Quantity Value Units Method Reference Comment
Deltar91.2kJ/molPHPMSMeot-Ner (Mautner), 1988gas phase
Quantity Value Units Method Reference Comment
Deltar131.J/mol*KPHPMSMeot-Ner (Mautner), 1988gas phase

C3H4N2+ + L-Alanine, N-acetyl-, methyl ester = (C3H4N2+ bullet L-Alanine, N-acetyl-, methyl ester)

By formula: C3H4N2+ + C6H11NO3 = (C3H4N2+ bullet C6H11NO3)

Quantity Value Units Method Reference Comment
Deltar116.kJ/molPHPMSMeot-Ner (Mautner), 1988gas phase
Quantity Value Units Method Reference Comment
Deltar113.J/mol*KPHPMSMeot-Ner (Mautner), 1988gas phase

C3H4N2+ + 1H-Imidazole = (C3H4N2+ bullet 1H-Imidazole)

By formula: C3H4N2+ + C3H4N2 = (C3H4N2+ bullet C3H4N2)

Quantity Value Units Method Reference Comment
Deltar99.2kJ/molPHPMSMeot-Ner (Mautner), 1988gas phase
Quantity Value Units Method Reference Comment
Deltar90.8J/mol*KPHPMSMeot-Ner (Mautner), 1988gas phase

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.

Meot-Ner (Mautner), 1988
Meot-Ner (Mautner), M., Models for Strong Interactions in Proteins and Enzymes. 2. Interactions of Ions with the Peptide Link and Imidazole, J. Am. Chem. Soc., 1988, 110, 10, 3075, https://doi.org/10.1021/ja00218a014 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, References