Threonine
- Formula: C4H9NO3
- Molecular weight: 119.1192
- IUPAC Standard InChI: InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m0/s1
- IUPAC Standard InChIKey: AYFVYJQAPQTCCC-STHAYSLISA-N
- CAS Registry Number: 72-19-5
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: L-Threonine; Threonine, L-; Butanoic acid, 2-amino-3-hydroxy-, [R-(R*,S*)]-; Threonin; L-CH3CH(OH)CH(NH2)COOH; L-α-Amino-β-hydroxybutyric acid
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -185.54 ± 0.26 | kcal/mol | Ccb | Wu, Zhu, et al., 1993 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -498.23 ± 0.26 | kcal/mol | Ccb | Wu, Zhu, et al., 1993 | |
| ΔcH°solid | -490.70 ± 0.20 | kcal/mol | Ccb | Tsuzuki, Harper, et al., 1958 | Reanalyzed by Cox and Pilcher, 1970, Original value = -490.9 ± 0.2 kcal/mol |
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.
Wu, Zhu, et al., 1993
Wu, D.; Zhu, Y.; Gao, Z.; Qu, S.,
Determination of combustion heat of some amino acids,
Wuhan Daxue Xuebao Ziran Kexueban, 1993, 78-82. [all data]
Tsuzuki, Harper, et al., 1958
Tsuzuki, T.; Harper, D.O.; Hunt, H.,
Heats of combustion. VII. The heats of combustion of some amino acids,
J. Phys. Chem., 1958, 62, 1594-1595. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
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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