2,3-Butanedione
- Formula: C4H6O2
- Molecular weight: 86.0892
- IUPAC Standard InChI: InChI=1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
- IUPAC Standard InChIKey: QSJXEFYPDANLFS-UHFFFAOYSA-N
- CAS Registry Number: 625-34-3
- 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°liquid | -87.35 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | |
| ΔfH°liquid | -87.60 ± 0.20 | kcal/mol | Ccb | Parks, Manchester, et al., 1954 | |
| ΔfH°liquid | -86.4 | kcal/mol | Ccb | Springall and White, 1954 | |
| ΔfH°liquid | -80.5 | kcal/mol | Ccb | Landrieu, 1906 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -493.81 ± 0.19 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Corresponding ΔfHºliquid = -87.34 kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -493.56 | kcal/mol | Ccb | Parks, Manchester, et al., 1954 | Corresponding ΔfHºliquid = -87.59 kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -494.8 ± 0.2 | kcal/mol | Ccb | Springall and White, 1954 | Corresponding ΔfHºliquid = -86.3 kcal/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -503.7 | kcal/mol | Ccb | Landrieu, 1906 | Corresponding ΔfHºliquid = -77.4 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.
Nicholson, Szwarc, et al., 1954
Nicholson, G.R.; Szwarc, M.; Taylor, J.W.,
The heats of formation of diacetyl and of benzyl methyl ketone in the vapour phase,
J. Chem. Soc., 1954, 2767-2769. [all data]
Parks, Manchester, et al., 1954
Parks, G.S.; Manchester, K.E.; Vaughan, L.M.,
Heats of combustion and formation of some alcohols, phenols, and ketones,
J. Chem. Phys., 1954, 22, 2089-2090. [all data]
Springall and White, 1954
Springall, H.D.; White, T.R.,
Heats of combustion and molecular structure. Part II. The mean bond energy term for the carbonyl system in certain ketones,
J. Chem. Soc., 1954, 2765-27. [all data]
Landrieu, 1906
Landrieu, M.Ph.,
Thermochimie des hydrazones et des osazones, des dicetones-α et des sucres reducteurs,
Compt. Rend., 1906, 140, 580-582. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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