L-Asparagine
- Formula: C4H8N2O3
- Molecular weight: 132.1179
- IUPAC Standard InChI: InChI=1S/C4H8N2O3/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H2,6,7)(H,8,9)/t2-/m1/s1
- 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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Condensed phase 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -789.02 | kJ/mol | Ccb | Huffman, Ellis, et al., 1936 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1928.5 ± 0.71 | kJ/mol | Ccb | Huffman, Ellis, et al., 1936 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 174.5 | J/mol*K | N/A | Huffman and Borsook, 1932 | Extrapolation below 90 K, 49.79 J/mol*K.; DH |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 159.8 | 296.5 | Huffman and Borsook, 1932 | T = 85 to 297 K. Value is unsmoothed experimental datum.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Huffman, Ellis, et al., 1936
Huffman, H.M.; Ellis, E.L.; Fox, S.W.,
Thermal data. VI. The heats of combustion and free energies of seven organic compounds containing nitrogen,
J. Am. Chem. Soc., 1936, 58, 1728-1733. [all data]
Huffman and Borsook, 1932
Huffman, H.M.; Borsook, H.,
Thermal data. I. The heat capacities, entropies and free energies of seven organic compounds containing nitrogen,
J. Am. Chem. Soc., 1932, 54, 4297-4301. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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