L-Asparagine
- Formula: C4H8N2O3
- Molecular weight: 132.1179
- IUPAC Standard InChIKey: DCXYFEDJOCDNAF-UWTATZPHSA-N
- CAS Registry Number: 70-47-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Asparagine, L-; (-)-Asparagine; Agedoite; Altheine; Asparagine; Butanoic acid, 2,4-diamino-4-oxo-, (S)-; L-β-Asparagine; (S)-2,4-Diamino-4-oxobutanoic acid; Asn; Asparamide; Aspartic acid β amide; (S)-Asparagine; Asparagine acid; Aspartamic acid; Crystal VI; L-2,4-Diamino-4-oxobutanoic acid; NSC 82391; α-Aminosuccinamic acid; Asparagine l(-)
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
B - John E. Bartmess
RCD - Robert C. Dunbar
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
C4H7N2O3- + =
By formula: C4H7N2O3- + H+ = C4H8N2O3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 331.0 ± 2.2 | kcal/mol | CIDC | Jones, Bernier, et al., 2007 | gas phase; B |
ΔrH° | 331.6 ± 3.1 | kcal/mol | G+TS | O'Hair, Bowie, et al., 1992 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 324.2 ± 2.3 | kcal/mol | H-TS | Jones, Bernier, et al., 2007 | gas phase; B |
ΔrG° | 324.8 ± 3.0 | kcal/mol | CIDC | O'Hair, Bowie, et al., 1992 | gas phase; B |
By formula: Na+ + C4H8N2O3 = (Na+ • C4H8N2O3)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 49.2 | kcal/mol | CIDC | Kish, Ohanessian, et al., 2003 | Anchor alanine=39.89; RCD |
References
Go To: Top, Reaction thermochemistry 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]
Kish, Ohanessian, et al., 2003
Kish, M.M.; Ohanessian, G.; Wesdemiotis, C.,
The Na+ affinities of a-amino acids: side-chain substituent effects,
Int. J. Mass Spectrom., 2003, 227, 3, 509, https://doi.org/10.1016/S1387-3806(03)00082-4
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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