Tetrahydro-2,2,6,6-tetramethyl-4H-thiopyran-4-one
- Formula: C9H16OS
- Molecular weight: 172.288
- IUPAC Standard InChI: InChI=1S/C9H16OS/c1-8(2)5-7(10)6-9(3,4)11-8/h5-6H2,1-4H3
- IUPAC Standard InChIKey: CGAPIUWHWGPGJN-UHFFFAOYSA-N
- CAS Registry Number: 22842-41-7
- 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 | -291. ± 3.0 | kJ/mol | Ccb | Geiseler and Sawistowsky, 1972 |
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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -6102.4 ± 2.9 | kJ/mol | Ccb | Geiseler and Sawistowsky, 1972 |
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
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 37.0 | kJ/mol | V | Geiseler and Sawistowsky, 1972 | ALS |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 34.7 | 315. | A | Stephenson and Malanowski, 1987 | Based on data from 300. to 360. K. See also Geiseler and Sawistowsky, 1972, 2 and Dykyj, Svoboda, et al., 1999.; AC |
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.
Geiseler and Sawistowsky, 1972
Geiseler, V.G.; Sawistowsky, J.,
Bildungsenthalpien und Mesomerieenergien von π-Bindungssystemen. 4. Mitteilung: Bildungsenthalpien einiger Thiacyclannone,
Z. Phys. Chem. (Leipzig), 1972, 250, 43-48. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Geiseler and Sawistowsky, 1972, 2
Geiseler, G.; Sawistowsky, J.,
Z. Phys. Chem. (Leipzig), 1972, 250, 1-2, 43. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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 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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