2H-Pyran, tetrahydro-2-methoxy-
- Formula: C6H12O2
- Molecular weight: 116.1583
- IUPAC Standard InChI: InChI=1S/C6H12O2/c1-7-6-4-2-3-5-8-6/h6H,2-5H2,1H3
- IUPAC Standard InChIKey: XTDKZSUYCXHXJM-UHFFFAOYSA-N
- CAS Registry Number: 6581-66-4
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: 2-Methoxytetrahydropyran; tetrahydro-2-methoxy-2H-pyran
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Gas 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°gas | 87.811 | cal/mol*K | N/A | Wiberg K.B., 1989 | Selected values were obtained by ab initio calculation. |
Constant pressure heat capacity of gas
| Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 33.659 | 298.15 | Wiberg K.B., 1989 | Selected values were obtained by ab initio calculation. |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry 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 |
|---|---|---|---|---|---|
| ΔcH°liquid | -868.50 ± 0.30 | kcal/mol | Ccb | Skuratov, Strepikheev, et al., 1957 | Reanalyzed by Cox and Pilcher, 1970, Original value = -868.8 ± 0.3 kcal/mol; Combustion at 293 K; Corresponding ΔfHºliquid = -105.70 kcal/mol (simple calculation by NIST; no Washburn corrections) |
References
Go To: Top, Gas phase thermochemistry data, 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 K.B., 1989
Wiberg K.B.,
Rotational barriers. 4. Dimethoxymethane. The anomeric effect revisited.,
J. Am. Chem. Soc., 1989, 111, 4821-4828. [all data]
Skuratov, Strepikheev, et al., 1957
Skuratov, S.M.; Strepikheev, A.A.; Kozina, M.P.,
About the reaction activity of five and six-membered heterocyclic compounds,
Dokl. Akad. Nauk SSSR, 1957, 117, 452-454. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas S°gas Entropy of gas at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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