4-Piperidinol, 2,2,6,6-tetramethyl-, 1-oxide
- Formula: C9H19NO2
- Molecular weight: 173.2527
- IUPAC Standard InChI: InChI=1S/C9H19NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11-12H,5-6H2,1-4H3
- IUPAC Standard InChIKey: CSGAUKGQUCHWDP-UHFFFAOYSA-N
- CAS Registry Number: 3637-10-3
- 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: 4-Piperidinol, 1-hydroxy-2,2,6,6-tetramethyl-; 1,4-Dihydroxy-2,2,6,6-Tetramethylpiperidine; 1-Hydroxy-2,2,6,6-tetramethyl-4-piperidinol
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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 | -345.3 ± 1.9 | kJ/mol | Ccb | Lebedev, Rozantzev, et al., 1966 |
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°solid | -445.7 ± 1.4 | kJ/mol | Ccb | Lebedev, Rozantzev, et al., 1966 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -5811.5 ± 1.4 | kJ/mol | Ccb | Lebedev, Rozantzev, et al., 1966 |
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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 100.4 ± 0.6 | 328. | ME | Lebedev, Rosantsev, et al., 1966 | Based on data from 318. to 348. K. See also Cox and Pilcher, 1970.; AC |
| 100. ± 0.50 | 313. | V | Kalashnikova, Rozantsev, et al., 1965 | ALS |
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.
Lebedev, Rozantzev, et al., 1966
Lebedev, Yu.A.; Rozantzev, E.G.; Kalashnikova, L.A.; Lebedev, V.P.; Neiman, M.B.; Apin, A.Ya.,
Thermochemical study of certain free radicals and the corresponding hydrides,
Dokl. Phys. Chem. (Engl. Transl.), 1966, 168, 460-462, In original 104. [all data]
Lebedev, Rosantsev, et al., 1966
Lebedev, Y.A.; Rosantsev, E.G.; Kalashnikova, L.A.; Lebedev, V.P.; Nieman, M.B.; Apin, Y.A.,
Dokl. Akad. Nauk SSSR, 1966, 168, 1, 104. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Kalashnikova, Rozantsev, et al., 1965
Kalashnikova, L.A.; Rozantsev, E.G.; Chaikin, A.M.,
Saturated vapor pressure of certain stable free radicals,
Bull. Acad. Sci. USSR, Div. Chem. Sci., 1965, 782-785. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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