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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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
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 | Cm | Andreevskii and Antonova, 1982 | uncertain value: -786.6 kcal/mol | ||
ΔfH°gas | -789.2 ± 1.1 | kcal/mol | Ccr | Good, Douslin, et al., 1959 | Reanalyzed by Cox and Pilcher, 1970, Original value = -769.7 kcal/mol; produce 3HF(aq:10) |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Phase change data, References, Notes
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 | -798.4 ± 1.1 | kcal/mol | Ccr | Good, Douslin, et al., 1959 | Reanalyzed by Cox and Pilcher, 1970, Original value = -778.9 kcal/mol; produce 3HF(aq:10) |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -501.68 ± 0.23 | kcal/mol | Ccr | Good, Douslin, et al., 1959 | produce 3HF(aq:10) |
Phase change data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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
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, Gas phase thermochemistry data, Condensed 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.
Andreevskii and Antonova, 1982
Andreevskii, D.N.; Antonova, Z.A.,
Development of an increment scheme for calculating the thermodynamic properties of organic polyfluoro compounds,
J. Appl. Chem. USSR, 1982, 55, 582-587. [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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
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]
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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point 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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