2-Oxonanone
- Formula: C8H14O2
- Molecular weight: 142.1956
- IUPAC Standard InChI: InChI=1S/C8H14O2/c9-8-6-4-2-1-3-5-7-10-8/h1-7H2
- IUPAC Standard InChIKey: ZYDGQQTXLBNSGJ-UHFFFAOYSA-N
- CAS Registry Number: 5698-29-3
- 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: η-Caprylolactone; Octanoic acid, 8-hydroxy-, η-lactone
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Condensed phase thermochemistry data
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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 | -487. ± 3. | kJ/mol | Cm | Wiberg and Waldron, 1991 | Heat of reduction |
Phase change data
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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
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 53. ± 1. | kJ/mol | V | Wiberg and Waldron, 1991 | Heat of reduction; ALS |
| ΔvapH° | 53.0 | kJ/mol | N/A | Wiberg and Waldron, 1991 | DRB |
| ΔvapH° | 52.8 ± 1.3 | kJ/mol | MM | Wiberg and Waldron, 1991 | Based on data from 345. to 380. K.; AC |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 48.9 ± 0.2 | 362. | MM | Wiberg and Waldron, 1991 | Based on data from 345. to 380. K.; AC |
References
Go To: Top, 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.
Wiberg and Waldron, 1991
Wiberg, K.B.; Waldron, R.F.,
Lactones. 2. Enthalpies of hydrolysis, reduction, and formation of the C4-C13 monocyclic lactones. strain energies and conformations,
J. Am. Chem. Soc., 1991, 113, 7697-7705. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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