4-Methyl-2H,7H-pyrano-[2,3-b]pyran-2,7-dione
- Formula: C9H6O4
- Molecular weight: 178.1415
- IUPAC Standard InChI: InChI=1S/C9H6O4/c1-5-4-8(11)13-9-6(5)2-3-7(10)12-9/h2-4H,1H3
- IUPAC Standard InChIKey: MPGKUKOQPUBGKB-UHFFFAOYSA-N
- CAS Registry Number: 37831-57-5
- Chemical structure:
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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 | -92.5 ± 4.8 | kcal/mol | Ccb | Sabbah, Chastel, et al., 1972 | Author's hf298_condensed=-385.±20. kJ/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -958.9 ± 4.8 | kcal/mol | Ccb | Sabbah, Chastel, et al., 1972 | Author's hf298_condensed=-385.±20. kJ/mol; Corresponding ΔfHºsolid = -92.5 kcal/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.
Sabbah, Chastel, et al., 1972
Sabbah, R.; Chastel, R.; Laffitte, M.,
Determination des enthalpies de reference de formation a l'etat solide de quelques derives pyranno-pyranne diones,
Thermochim. Acta, 1972, 4, 117-122. [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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