Cyclooctene
- Formula: C8H14
- Molecular weight: 110.1968
- IUPAC Standard InChI: InChI=1S/C8H14/c1-2-4-6-8-7-5-3-1/h1-2H,3-8H2
- IUPAC Standard InChIKey: URYYVOIYTNXXBN-UHFFFAOYSA-N
- CAS Registry Number: 931-88-4
- 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. - Stereoisomers:
- Other names: (Z)-Cyclooctene
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Phase change data
Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Ttriple | 259.15 | K | N/A | Lebedev, Lebedev, et al., 1978 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 10.0 | 288. | A | Stephenson and Malanowski, 1987 | Based on data from 273. to 411. K.; AC |
| 9.94 | 300. | N/A | Lister, 1941 | Based on data from 273. to 333. K.; AC |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 0.433 | 259.2 | Lebedev and Smirnova, 1994 | AC |
Entropy of fusion
| ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 12.32 | 190.1 | Lebedev and Smirnova, 1994, 2 | CAL |
| 1.67 | 259.2 |
Temperature of phase transition
| Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|
| 100. | crystaline, III | crystaline, II | Lebedev, Lebedev, et al., 1978 | Glass transition.; DH |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.152 | 190. | crystaline, II | crystaline, I | Lebedev, Lebedev, et al., 1978 | DH |
| 0.4333 | 259.15 | crystaline, I | liquid | Lebedev, Lebedev, et al., 1978 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.798 | 190. | crystaline, II | crystaline, I | Lebedev, Lebedev, et al., 1978 | DH |
| 1.68 | 259.15 | crystaline, I | liquid | Lebedev, Lebedev, et al., 1978 | DH |
References
Go To: Top, 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, Lebedev, et al., 1978
Lebedev, B.V.; Lebedev, N.K.; Lityagov, Y.Va.; Mukhina, N.N.,
Thermodynamic characteristics of cyclooctene and polyoctenylene and process for the polymerization of cyclooctene in the range 8-330 K,
Termodin. Org. Soedin., 1978, (7), 23-37. [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]
Lister, 1941
Lister, M.W.,
Heats of organic reactions. X. Heats of bromination of cyclic olefins,
J. Am. Chem. Soc., 1941, 63, 143-149. [all data]
Lebedev and Smirnova, 1994
Lebedev, B.; Smirnova, N.,
Themodynamics of cycloalkenes, of their bulk polymerization in the presence of matathesis catalysts and of polyalkenes,
Macromol. Chem. Phys., 1994, 195, 35-63. [all data]
Lebedev and Smirnova, 1994, 2
Lebedev, B.; Smirnova, N.,
Thermodynamics of cycloalkenes, of their bulk polymerization in the presence of matathesis catalysts and of polyalkenes,
Macromol. Chem. Phys., 1994, 195, 1, 35, https://doi.org/10.1002/macp.1994.021950105
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Ttriple Triple point temperature Ttrs Temperature of phase transition ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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