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Glycine anion


Gas phase ion energetics 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: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
3.69 ± 0.16D-EACaldwell, Renneboog, et al., 1989 
3.65 ± 0.16D-EALocke and McIver, 1983 

Protonation reactions

C2H4NO2- + Hydrogen cation = Glycine

By formula: C2H4NO2- + H+ = C2H5NO2

Quantity Value Units Method Reference Comment
Deltar342.7 ± 2.2kcal/molCIDCJones, Bernier, et al., 2007gas phase
Deltar341.6 ± 2.1kcal/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Deltar342.4 ± 2.1kcal/molG+TSLocke and McIver, 1983gas phase
Deltar336.9 ± 1.4kcal/molEIAEMuftakhov, Vasil'ev, et al., 1999gas phase
Quantity Value Units Method Reference Comment
Deltar334.7 ± 2.0kcal/molIMRECaldwell, Renneboog, et al., 1989gas phase
Deltar335.5 ± 2.0kcal/molIMRELocke and McIver, 1983gas phase

References

Go To: Top, Gas phase ion energetics data, Notes

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

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Locke and McIver, 1983
Locke, M.J.; McIver, R.T., Jr., Effect of Solvation on the Acid/Base Properties of Glycine, J. Am. Chem. Soc., 1983, 105, 4226. [all data]

Jones, Bernier, et al., 2007
Jones, C.M.; Bernier, M.; Carson, E.; Colyer, K.E.; Metz, R.; Pawlow, A.; Wischow, E.D.; Webb, I.; Andriole, E.J.; Poutsma, J.C., Gas-phase Acities of the 20 Protein Amino Acids, Int. J. Mass Spectrom., 2007, 267, 1-3, 54-62, https://doi.org/10.1016/j.ijms.2007.02.018 . [all data]

Muftakhov, Vasil'ev, et al., 1999
Muftakhov, M.V.; Vasil'ev, Y.V.; Mazunov, V.A., Determination of electron affinity of carbonyl radicals by means of negative ion mass spectrometry, Rapid Commun. Mass Spectrom., 1999, 13, 12, 1104-1108, https://doi.org/10.1002/(SICI)1097-0231(19990630)13:12<1104::AID-RCM619>3.0.CO;2-C . [all data]


Notes

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