3-Penten-2-one, 4-hydroxy-
- Formula: C5H8O2
- Molecular weight: 100.1158
- IUPAC Standard InChI: InChI=1S/C5H8O2/c1-4(6)3-5(2)7/h3,6H,1-2H3/b4-3-
- IUPAC Standard InChIKey: POILWHVDKZOXJZ-ARJAWSKDSA-N
- CAS Registry Number: 1522-20-9
- 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -101.89 ± 0.48 | kcal/mol | Cm | Melia and Merrifield, 1969 | Thermochemical cycle; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 62.48 | cal/mol*K | N/A | Melia and Merrifield, 1969 | Extrapolated below 90 K. S(298.15 K) given as 2.611 J/g*K.; DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 49.76 | 298.15 | Melia and Merrifield, 1969 | T = 80 to 300 K. Csat(liq) = 0.8978 + 3.964x10-3T J/g*K (260 to 300 K); Csat(298.15 K) given as 2.080 J/g*K.; DH |
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.
Melia and Merrifield, 1969
Melia, T.P.; Merrifield, R.,
Thermal properties of acetylacetone,
J. Appl. Chem., 1969, 19, 79-82. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy 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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