trans-5-Ethylidene-bicyclo[2.2.1]hept-2-ene
- Formula: C9H12
- Molecular weight: 120.1916
- IUPAC Standard InChI: InChI=1S/C9H12/c1-2-8-5-7-3-4-9(8)6-7/h2-4,7,9H,5-6H2,1H3/b8-2+
- IUPAC Standard InChIKey: OJOWICOBYCXEKR-KRXBUXKQSA-N
- CAS Registry Number: 28304-67-8
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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- Stereoisomers:
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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 35.94 ± 0.47 | kcal/mol | Ccb | Kozina, Timofeeva, et al., 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 |
|---|---|---|---|---|---|
| ΔfH°liquid | 25.46 ± 0.44 | kcal/mol | Ccb | Kozina, Timofeeva, et al., 1972 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1281.82 ± 0.42 | kcal/mol | Ccb | Kozina, Timofeeva, et al., 1972 | Corresponding ΔfHºliquid = 25.47 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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:
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔvapH° | 10.5 | kcal/mol | N/A | Kozina, Timofeeva, et al., 1972 | DRB |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 9.85 | 361. | A | Stephenson and Malanowski, 1987 | Based on data from 346. - 416. K.; AC |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kozina, Timofeeva, et al., 1972
Kozina, M.P.; Timofeeva, L.P.; Pimenova, S.M.; Aleshina, V.A.; Belikova, N.A.; Bobyleva, A.A.; Plate, A.F.,
Enthalpies of combustion and of formation of 4-vinylcyclohexene and of certain bicyclic compounds,
Russ. J. Phys. Chem. (Engl. Transl.), 1972, 46, 1689-1690. [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]
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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