Histidine
- Formula: C6H9N3O2
- Molecular weight: 155.1546
- IUPAC Standard InChI: InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m1/s1
- IUPAC Standard InChIKey: HNDVDQJCIGZPNO-RXMQYKEDSA-N
- CAS Registry Number: 71-00-1
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: L-Histidine; Histidine, L-; Glyoxaline-5-alanine; L-(-)-Histidine; 1H-Imidazole-4-propanoic acid, α-amino-, (S)-; 4-(2-Amino-2-carboxyethyl)imidazole; Anti-rheuma
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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -441.8 ± 2.6 | kJ/mol | Ccb | Vasilev, Borodin, et al., 1989 | Author was aware that data differs from previously reported values |
| ΔfH°solid | -466.7 ± 2.8 | kJ/mol | Ccb | Wilson, Watson, et al., 1979 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3205.5 ± 2.5 | kJ/mol | Ccb | Vasilev, Borodin, et al., 1989 | Author was aware that data differs from previously reported values |
| ΔcH°solid | -3180.6 ± 2.3 | kJ/mol | Ccb | Wilson, Watson, et al., 1979 |
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.
Vasilev, Borodin, et al., 1989
Vasilev, V.P.; Borodin, V.A.; Kopnyshev, S.B.,
Standard enthalpies of formation of L-histidine and L-proline,
Russ. J. Phys. Chem. (Engl. Transl.), 1989, 63, 891-892. [all data]
Wilson, Watson, et al., 1979
Wilson, S.R.; Watson, I.D.; Malcolm, G.N.,
Enthalpies of formation of solid cytosine, L-histidine, and uracil,
J. Chem. Thermodyn., 1979, 11, 911-912. [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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