Alanine anion


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: John E. Bartmess

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Individual Reactions

C3H6NO2- + Hydrogen cation = Alanine

By formula: C3H6NO2- + H+ = C3H7NO2

Quantity Value Units Method Reference Comment
Deltar341.8 ± 1.9kcal/molCIDCJones, Bernier, et al., 2007gas phase
Deltar340.7 ± 2.1kcal/molG+TSLocke and McIver, 1983gas phase
Quantity Value Units Method Reference Comment
Deltar334.8 ± 2.0kcal/molH-TSJones, Bernier, et al., 2007gas phase
Deltar333.7 ± 2.0kcal/molIMRELocke and McIver, 1983gas phase

C3H6NO2- + Water = C3H8NO3-

By formula: C3H6NO2- + H2O = C3H8NO3-

Quantity Value Units Method Reference Comment
Deltar15.30 ± 0.40kcal/molN/AWincel, 2008gas phase
Quantity Value Units Method Reference Comment
Deltar7.80 ± 0.80kcal/molTDAsWincel, 2008gas phase

References

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

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]

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]

Wincel, 2008
Wincel, H., Hydration energies of deprotonated amino acids from gas phase equilibria measurements, J. Am. Soc. Mass Spectrom., 2008, 19, 8, 1091-1097, https://doi.org/10.1016/j.jasms.2008.05.014 . [all data]


Notes

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