Cyclohexane, dodecafluoro-
- Formula: C6F12
- Molecular weight: 300.0450
- IUPAC Standard InChIKey: RKIMETXDACNTIE-UHFFFAOYSA-N
- CAS Registry Number: 355-68-0
- 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. - Other names: Dodecafluorocyclohexane; Perfluorocyclohexane
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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 8.599 | kcal/mol | V | Price and Sapiano, 1979 | hf_CF4=-933.0 kJ/mol; ALS |
ΔvapH° | 8.60 | kcal/mol | N/A | Price and Sapiano, 1979 | Based on data from 274. to 322. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.69 | 388. | N/A | Davies, Ewing, et al., 1988 | Based on data from 373. to 457. K.; AC |
6.72 | 365. | A | Stephenson and Malanowski, 1987 | Based on data from 350. to 451. K.; AC |
7.07 | 351. | N/A | McCullough, Douslin, et al., 1957 | Based on data from 336. to 394. K. See also Boublik, Fried, et al., 1984.; 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 |
---|---|---|---|---|---|
350.32 to 451.01 | 4.20013 | 1212.323 | -34.221 | Crowder, Taylor, et al., 1967 | Coefficents calculated by NIST from author's data. |
292.96 to 394.5 | 3.18131 | 605.954 | -135.245 | Rowlinson and Thacker, 1957 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
8.70 | 267. | A | Stephenson and Malanowski, 1987 | Based on data from 252. to 326. K. See also Crowder, Taylor, et al., 1967.; AC |
8.65 | 313. | N/A | Rowlinson and Thacker, 1957, 2 | Based on data from 293. to 333. K.; AC |
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.
Price and Sapiano, 1979
Price, S.J.W.; Sapiano, H.J.,
Determination of ΔH°f298(C6F10,g) and ΔH°f298(C6F12,g) from studies of the combustion of decafluorocyclohexene and dodecafluorocylohexene in oxygen and calculation of the resonance energy of hexafluorobenzene,
Can. J. Chem., 1979, 58, 685-688. [all data]
Davies, Ewing, et al., 1988
Davies, D.R.; Ewing, M.B.; Hugill, J.A.; McGlashan, M.L.,
The critical temperature, the critical pressure, and the dependence of vapour pressure on temperature for dodecafluorocyclohexane and hexafluorobenzene,
Can. J. Chem., 1988, 66, 4, 760-762, https://doi.org/10.1139/v88-131
. [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]
McCullough, Douslin, et al., 1957
McCullough, J.P.; Douslin, D.R.; Messerly, J.F.; Hossenlopp, I.A.; Kincheloe, T.C.; Waddington, G.,
Pyridine: experimental and calculated chemical thermodynamic properties between 0 and 1500 K., a revised vibrational assignment,
J. Am. Chem. Soc., 1957, 79, 4289-4295. [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]
Crowder, Taylor, et al., 1967
Crowder, Gene A.; Taylor, Zelma Lowell; Reed, Thomas McKennan; Young, John Adams,
Vapor pressures and triple point temperatures for several pure fluorocarbons,
J. Chem. Eng. Data, 1967, 12, 4, 481-485, https://doi.org/10.1021/je60035a005
. [all data]
Rowlinson and Thacker, 1957
Rowlinson, J.S.; Thacker, R.,
The Physical Properties of Some Fluorine Compounds and their Solutions. Part 3. Perfluorocyclohexane and Perfluoromethylcyclohexane,
Trans. Faraday Soc., 1957, 53, 1-8, https://doi.org/10.1039/tf9575300001
. [all data]
Rowlinson and Thacker, 1957, 2
Rowlinson, J.S.; Thacker, R.,
The physical properties of some fluorine compounds and their solutions. Part 3.?Perfluorocyclohexane and perfluoromethylcyclohexane,
Trans. Faraday Soc., 1957, 53, 1, https://doi.org/10.1039/tf9575300001
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation 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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