Cyclopentanone
- Formula: C5H8O
- Molecular weight: 84.1164
- IUPAC Standard InChI: InChI=1S/C5H8O/c6-5-3-1-2-4-5/h1-4H2
- IUPAC Standard InChIKey: BGTOWKSIORTVQH-UHFFFAOYSA-N
- CAS Registry Number: 120-92-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Adipic ketone; Adipinketon; Dumasin; Ketocyclopentane; Ketopentamethylene; UN 2245; NSC 4122
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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 | -240.2 ± 1.3 | kJ/mol | Cm | Wiberg, Crocker, et al., 1991 | |
| ΔfH°liquid | -237.4 ± 1.7 | kJ/mol | Ccb | Wolf, 1972 | |
| ΔfH°liquid | -236.5 | kJ/mol | Ccb | Sellers and Sunner, 1962 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -2873.5 ± 1.6 | kJ/mol | Ccb | Wolf, 1972 | Corresponding ΔfHºliquid = -237.35 kJ/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -2874.0 ± 0.92 | kJ/mol | Ccb | Sellers and Sunner, 1962 | Corresponding ΔfHºliquid = -236.9 kJ/mol (simple calculation by NIST; no Washburn corrections) |
| ΔcH°liquid | -2870. ± 0.8 | kJ/mol | Ccb | Skuratov, Kozina, et al., 1957 | At 20C; Corresponding ΔfHºliquid = -241. 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.
Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M.,
Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups,
J. Am. Chem. Soc., 1991, 113, 3447-3450. [all data]
Wolf, 1972
Wolf, G.,
Thermochemische Untersuchungen an cyclischen Ketonen,
Helv. Chim. Acta, 1972, 55, 1446-1459. [all data]
Sellers and Sunner, 1962
Sellers, P.; Sunner, S.,
Heats of combustion of cyclic ketones and alcohols,
Acta Chem. Scand., 1962, 16, 46-52. [all data]
Skuratov, Kozina, et al., 1957
Skuratov, S.M.; Kozina, M.L.; Shteher, S.M.; Varushyenko, R.M.,
The heats of combustion of several purified compounds,
Thermochem. Bull. (Moscow State Univ.), March, 1957, 36-37. [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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