N-dl-Alanylglycine
- Formula: C5H10N2O3
- Molecular weight: 146.1445
- IUPAC Standard InChI: InChI=1S/C5H10N2O3/c1-3(6)5(10)7-2-4(8)9/h3H,2,6H2,1H3,(H,7,10)(H,8,9)
- IUPAC Standard InChIKey: CXISPYVYMQWFLE-UHFFFAOYSA-N
- CAS Registry Number: 1188-01-8
- 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. - Stereoisomers:
- Other names: Glycine, N-DL-alanyl-
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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 | -777.39 ± 0.88 | kJ/mol | Ccb | Huffman, 1942 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -2618.9 ± 0.84 | kJ/mol | Ccb | Huffman, 1942 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 213.4 | J/mol*K | N/A | Huffman, 1941 | Extrapolation below 90 K, 66.27 J/mol*K.; DH |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 181.79 | 296.4 | Huffman, 1941 | T = 85 to 296 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, 1942
Huffman, H.M.,
Thermal data. XV. The heats of combustion and free energies of some compounds containing the peptide bond,
J. Phys. Chem., 1942, 46, 885-891. [all data]
Huffman, 1941
Huffman, H.M.,
Thermal data. XIV. The heat capacities and entropies of some compounds having the peptide bond,
J. Am. Chem. Soc., 1941, 63, 688-689. [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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