Ethanedioic acid, hydrate (1:2)
- Formula: C2H2O4·H4O2
- Molecular weight: 126.0654
- IUPAC Standard InChI: InChI=1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2
- IUPAC Standard InChIKey: GEVPUGOOGXGPIO-UHFFFAOYSA-N
- CAS Registry Number: 6153-56-6
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: Ethanedioic acid, dihydrate; Oxalic acid; Oxalic acid dihydrate; Ethanedioic acid
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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 |
|---|---|---|---|---|---|
| ΔcH°solid | -217.7 | kJ/mol | Ccb | Becker and Roth, 1934 | Heat of combustion corrected for pressure; Corresponding ΔfHºsolid = -1426.8 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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.
Becker and Roth, 1934
Becker, G.; Roth, W.A.,
Die bildungswarme von ammoniak und salpetersaure,
Z. Electrochem., 1934, 40, 836-843. [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 - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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