L-Asparagine 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

C4H7N2O3- + Hydrogen cation = L-Asparagine

By formula: C4H7N2O3- + H+ = C4H8N2O3

Quantity Value Units Method Reference Comment
Δr331.0 ± 2.2kcal/molCIDCJones, Bernier, et al., 2007gas phase
Δr331.6 ± 3.1kcal/molG+TSO'Hair, Bowie, et al., 1992gas phase
Quantity Value Units Method Reference Comment
Δr324.2 ± 2.3kcal/molH-TSJones, Bernier, et al., 2007gas phase
Δr324.8 ± 3.0kcal/molCIDCO'Hair, Bowie, et al., 1992gas phase

C4H7N2O3- + Water = C4H9N2O4-

By formula: C4H7N2O3- + H2O = C4H9N2O4-

Quantity Value Units Method Reference Comment
Δr12.30 ± 0.50kcal/molN/AWincel, 2008gas phase
Quantity Value Units Method Reference Comment
Δr4.4 ± 1.1kcal/molTDAsWincel, 2008gas 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
4.14 ± 0.16D-EAJones, Bernier, et al., 2007 

Protonation reactions

C4H7N2O3- + Hydrogen cation = L-Asparagine

By formula: C4H7N2O3- + H+ = C4H8N2O3

Quantity Value Units Method Reference Comment
Δr331.0 ± 2.2kcal/molCIDCJones, Bernier, et al., 2007gas phase
Δr331.6 ± 3.1kcal/molG+TSO'Hair, Bowie, et al., 1992gas phase
Quantity Value Units Method Reference Comment
Δr324.2 ± 2.3kcal/molH-TSJones, Bernier, et al., 2007gas phase
Δr324.8 ± 3.0kcal/molCIDCO'Hair, Bowie, et al., 1992gas phase

References

Go To: Top, Reaction thermochemistry data, 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.

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]

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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