- Formula: C5H6O5
- Molecular weight: 146.0981
- IUPAC Standard InChI:
- Download the identifier in a file.
- IUPAC Standard InChIKey: KPGXRSRHYNQIFN-UHFFFAOYSA-N
- CAS Registry Number: 328-50-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: 2-Ketoglutaric acid; 2-Oxoglutaric acid; «alpha»-Ketoglutaric acid; Pentanedioic acid, 2-oxo-; Glutaric acid, 2-oxo-; Glutaric acid, «alpha»-keto-; 2-Oxo-1,5-pentanedioic acid; NSC 17391; «alpha»-Oxoglutaric acid
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Condensed phase thermochemistry data
Go To: Top, References, Notes
Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
|fH°solid||-1027.89||kJ/mol||Ccb||Kobenina and Pobedinskaya, 1983|
|fH°solid||-1026.2 ± 0.88||kJ/mol||Ccb||Wilhoit and Lei, 1965||Reanalyzed by Cox and Pilcher, 1970, Original value = -1026.5 ± 0.88 kJ/mol|
|cH°solid||-1801.11||kJ/mol||Ccb||Kobenina and Pobedinskaya, 1983||Corresponding «DELTA»fHºsolid = -1023.93 kJ/mol (simple calculation by NIST; no Washburn corrections)|
|cH°solid||-1798.9 ± 0.84||kJ/mol||Ccb||Wilhoit and Lei, 1965||Reanalyzed by Cox and Pilcher, 1970, Original value = -1797.0 kJ/mol; Corresponding «DELTA»fHºsolid = -1026.2 kJ/mol (simple calculation by NIST; no Washburn corrections)|
Go To: Top, Condensed phase thermochemistry data, Notes
Kobenina and Pobedinskaya, 1983
Kobenina, N.M.; Pobedinskaya, A.I., Standard heats of combustion and formation of cis-aconitic, «alpha»-oxoglutaric, and oxalacetic acids, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1983, 26, 1015-1016. [all data]
Wilhoit and Lei, 1965
Wilhoit, R.C.; Lei, I., Thermochemistry of biologically important compounds. Heats of combustion of five organic acids., J. Chem. Eng. Data, 1965, 10, 166-168. [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]
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
cH°solid Enthalpy of combustion of solid at standard conditions fH°solid Enthalpy of formation of solid at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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