trans-2,3-Dimethyl-bicyclo[2.2.1]heptane
- Formula: C9H16
- Molecular weight: 124.2233
- CAS Registry Number: 20558-16-1
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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 | -25.71 ± 0.54 | kcal/mol | Ccb | Kozina, Timofeeva, et al., 1971 |
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 | -35.91 ± 0.50 | kcal/mol | Ccb | Kozina, Timofeeva, et al., 1971 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1357.08 ± 0.49 | kcal/mol | Ccb | Kozina, Timofeeva, et al., 1971 | Corresponding ΔfHºliquid = -35.90 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
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° | 10.2 | kcal/mol | N/A | Kozina, Timofeeva, et al., 1971 | DRB |
| ΔvapH° | 10.2 ± 0.2 | kcal/mol | V | Varushchenko, Balikova, et al., 1970 | ALS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.39 | 360. | A | Stephenson and Malanowski, 1987 | Based on data from 345. to 411. K. See also Varushchenko, Belikova, et al., 1970 and Boublik, Fried, et al., 1984.; 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.
Kozina, Timofeeva, et al., 1971
Kozina, M.P.; Timofeeva, L.P.; Skuratov, S.M.; Belikova, N.A.; Milvitskaya, E.M.; Plate, A.F.,
The enthalpies of combustion of some bicyclic compounds,
J. Chem. Thermodyn., 1971, 3, 563-570. [all data]
Varushchenko, Balikova, et al., 1970
Varushchenko, R.M.; Balikova, N.A.; Skuratov, S.M.; Plate, A.F.,
Vapour pressures and boiling points of hydrocarbons. I. 1,4-and trans-2,3-dimethylbicyclo[2,2,1]-heptanes,
Russ. J. Phys. Chem. (Engl. Transl.), 1970, 44, 1722-1724. [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]
Varushchenko, Belikova, et al., 1970
Varushchenko, R.M.; Belikova, N.A.; Skuratov, S.M.; Plate, A.F.,
Zh. Fiz. Khim., 1970, 44, 12, 3022. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [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 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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