L-Aspartamide anion
- Formula: C4H7N2O3-
- Molecular weight: 131.1105
- IUPAC Standard InChIKey: PMLJIHNCYNOQEQ-UWTATZPHSA-M
- Chemical structure:
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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
Protonation reactions
By formula: C4H7N2O3- + H+ = C5H10N2O3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 1366. ± 15. | kJ/mol | IMRB | Li, Matus, et al., 2007 | gas phase; Calculations indicate cyclized (H-bonded) anion; side chain acidic site |
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.
Li, Matus, et al., 2007
Li, Z.; Matus, M.H.; Velazquez, H.A.; Dixon, D.A.; Cassady, C.J.,
Gas-phase acidities of aspartic acid, glutamic acid, and their amino acid amides,
Int. J. Mass Spectrom., 2007, 265, 2-3, 213-223, https://doi.org/10.1016/j.ijms.2007.02.009
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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