Cyclopentane, ethylidene-
- Formula: C7H12
- Molecular weight: 96.1702
- IUPAC Standard InChI: InChI=1S/C7H12/c1-2-7-5-3-4-6-7/h2H,3-6H2,1H3
- IUPAC Standard InChIKey: VONKRKBGTZDZNV-UHFFFAOYSA-N
- CAS Registry Number: 2146-37-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Ethylidenecyclopentane
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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 | -20.0 | kJ/mol | Chyd | Allinger, Dodziuk, et al., 1982 |
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 380. ± 20. | K | AVG | N/A | Average of 9 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 146.57 | K | N/A | Streiff, Schultz, et al., 1960 | Uncertainty assigned by TRC = 0.02 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔvapH° | 38.6 ± 0.3 | kJ/mol | C | Fuchs and Peacock, 1979 | ALS |
References
Go To: Top, Gas 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.
Allinger, Dodziuk, et al., 1982
Allinger, N.L.; Dodziuk, H.; Rogers, D.W.; Naik, S.N.,
Heats of hydrogenation and formation of some 5-membered ring compounds by molecular mechanics calculations and direct measurements,
Tetrahedron, 1982, 38, 1593-1597. [all data]
Streiff, Schultz, et al., 1960
Streiff, A.J.; Schultz, L.H.; Krouskop, N.C.; Moore, J.W.; Rossini, F.D.,
Purification, Purity, and Freezing Points of 16 API Standard and API Research Hydrocarbons,
J. Chem. Eng. Data, 1960, 5, 193-5. [all data]
Fuchs and Peacock, 1979
Fuchs, R.; Peacock, L.A.,
Heats of vaporization and gaseous heats of formation of some five- and six-membered ring alkenes,
Can. J. Chem., 1979, 57, 2302-2304. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔfH°gas Enthalpy of formation of gas at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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