Perfluoroethylcyclohexane
- Formula: C8F16
- Molecular weight: 400.0601
- IUPAC Standard InChIKey: IIZKNKHOOPBVEG-UHFFFAOYSA-N
- CAS Registry Number: 335-21-7
- Chemical structure:
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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 374. | K | N/A | Barlow and Tatlow, 1952 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 9.23 | kcal/mol | N/A | Boublik, Fried, et al., 1984 | Based on data from 310. to 400. K. See also Basarová and Svoboda, 1991.; AC |
ΔvapH° | 9.25 ± 0.1 | kcal/mol | N/A | Varushchenko, Bulgakova, et al., 1981 | AC |
ΔvapH° | 9.20 ± 0.05 | kcal/mol | V | Good, Douslin, et al., 1959 | produce 3HF(aq:10); ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.89 | 323. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 308. to 512. K.; AC |
8.87 | 326. | A | Stephenson and Malanowski, 1987 | Based on data from 311. to 411. K. See also Dykyj and Vanko, 1970, Good, Douslin, et al., 1959, and Dykyj, Svoboda, et al., 1999.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
311.3 to 410.94 | 3.97105 | 1217.681 | -67.482 | Good, Douslin, et al., 1959 | Coefficents calculated by NIST from author's data. |
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.
Barlow and Tatlow, 1952
Barlow, G.B.; Tatlow, C.J.,
The Reaction of Highly Fluorinated Organic Compounds Part II. Reactions of Perfluorodicyclohexyl and Perfluoro(isopropyl)cyclohexane,
J. Chem. Soc., 1952, 1952, 4695-8. [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]
Basarová and Svoboda, 1991
Basarová, Pavlína; Svoboda, Václav,
Calculation of heats of vaporization of halogenated hydrocarbons from saturated vapour pressure data,
Fluid Phase Equilibria, 1991, 68, 13-34, https://doi.org/10.1016/0378-3812(91)85008-I
. [all data]
Varushchenko, Bulgakova, et al., 1981
Varushchenko, R.M.; Bulgakova, L.L.; Minzabekyants, P.S.; Makarov, K.N.,
Russ. J. Phys. Chem., 1981, 55, 1480. [all data]
Good, Douslin, et al., 1959
Good, W.D.; Douslin, D.R.; Scott, D.W.; George, A.; Lacina, J.L.; Dawson, J.P.; Waddington, G.,
Thermochemistry and vapor pressure of aliphatic fluorocarbons. A comparison of the C-F and C-H thermochemical bond energies,
J. Phys. Chem., 1959, 63, 1133-1138. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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]
Dykyj and Vanko, 1970
Dykyj, J.; Vanko, A.,
Petrochemica, 1970, 10, 1, 3. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point 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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