2,3-Butanedione
- Formula: C4H6O2
- Molecular weight: 86.0892
- IUPAC Standard InChIKey: QSJXEFYPDANLFS-UHFFFAOYSA-N
- CAS Registry Number: 625-34-3
- Chemical structure:
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, 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°gas | -326.8 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, 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 | -365.5 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | |
ΔfH°liquid | -366.5 ± 0.84 | kJ/mol | Ccb | Parks, Manchester, et al., 1954 | |
ΔfH°liquid | -361. | kJ/mol | Ccb | Springall and White, 1954 | |
ΔfH°liquid | -337. | kJ/mol | Ccb | Landrieu, 1906 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -2066.1 ± 0.79 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Corresponding ΔfHºliquid = -365.4 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -2065.1 | kJ/mol | Ccb | Parks, Manchester, et al., 1954 | Corresponding ΔfHºliquid = -366.5 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -2070. ± 0.8 | kJ/mol | Ccb | Springall and White, 1954 | Corresponding ΔfHºliquid = -361. kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -2107. | kJ/mol | Ccb | Landrieu, 1906 | Corresponding ΔfHºliquid = -324. kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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 |
---|---|---|---|---|---|
ΔvapH° | 38.7 ± 0.92 | kJ/mol | V | Nicholson, Szwarc, et al., 1954 | |
ΔvapH° | 36. | kJ/mol | E | Springall and White, 1954 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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