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Cycloheptene

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil387. ± 2.KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus217.KN/AHaines and Gilson, 1990Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Ttriple217.55KN/ALebedev and Smirnova, 1989Crystal phase 1 phase; Uncertainty assigned by TRC = 0.01 K; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
38.5266.AStephenson and Malanowski, 1987Based on data from 251. - 313. K. See also Lister, 1941.; AC
36.73300.VLister, 1941Heat of bromination at 300 K; ALS
36.7300.N/ALister, 1941Based on data from 251. - 312. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
0.97217.Domalski and Hearing, 1996See also Lebedev and Smirnova, 1994.; AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
5.280154.crystaline, IIIcrystaline, IIHaines and Gilson, 1990, 2DH
0.710210.crystaline, IIcrystaline, IHaines and Gilson, 1990, 2DH
0.970217.crystaline, IliquidHaines and Gilson, 1990, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
34.3154.crystaline, IIIcrystaline, IIHaines and Gilson, 1990, 2DH
3.4210.crystaline, IIcrystaline, IHaines and Gilson, 1990, 2DH
4.5217.crystaline, IliquidHaines and Gilson, 1990, 2DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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.

Haines and Gilson, 1990
Haines, J.; Gilson, D.F.R., Phase transisions in solid cycloheptene, Can. J. Chem., 1990, 68, 604. [all data]

Lebedev and Smirnova, 1989
Lebedev, B.V.; Smirnova, N.N., Thermodynamics of cis-cycloheptene at 0-310 K, Zh. Fiz. Khim., 1989, 63, 1444. [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [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]

Haines and Gilson, 1990, 2
Haines, J.; Gilson, D.F.R., Phase transitions in solid cycloheptene, Can. J. Chem., 1990, 68(4), 604-611. [all data]


Notes

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