L-Threonine 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

C4H8NO3- + Hydrogen cation = Threonine

By formula: C4H8NO3- + H+ = C4H9NO3

Quantity Value Units Method Reference Comment
Δr331.7 ± 2.4kcal/molCIDCJones, Bernier, et al., 2007gas phase
Δr332.0 ± 3.1kcal/molG+TSO'Hair, Bowie, et al., 1992gas phase
Quantity Value Units Method Reference Comment
Δr325.2 ± 3.0kcal/molCIDCO'Hair, Bowie, et al., 1992gas phase

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
4.10 ± 0.19D-EAO'Hair, Bowie, et al., 1992 

Protonation reactions

C4H8NO3- + Hydrogen cation = Threonine

By formula: C4H8NO3- + H+ = C4H9NO3

Quantity Value Units Method Reference Comment
Δr331.7 ± 2.4kcal/molCIDCJones, Bernier, et al., 2007gas phase
Δr332.0 ± 3.1kcal/molG+TSO'Hair, Bowie, et al., 1992gas phase
Quantity Value Units Method Reference Comment
Δr325.2 ± 3.0kcal/molCIDCO'Hair, Bowie, et al., 1992gas 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]

O'Hair, Bowie, et al., 1992
O'Hair, R.J.; Bowie, J.H.; Gronert, S., Gas Phase Acidity of the alpha-Amino Acids, Int. J. Mass Spectrom. Ion Proc., 1992, 117, 23, https://doi.org/10.1016/0168-1176(92)80083-D . [all data]


Notes

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