Cyclohexane, dodecafluoro-

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Gas phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-2471.kJ/molSemiStewart, 2004 
Δfgas  CmAndreevskii and Antonova, 1982uncertain value: -2369. kJ/mol; ALS
Δfgas-2370.4 ± 8.4kJ/molCcbPrice and Sapiano, 1979Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -2368.9 ± 7.6 kJ/mol; hf_CF4=-933.0 kJ/mol; ALS

Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δcliquid-1330.8 ± 7.6kJ/molCcbPrice and Sapiano, 1979Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -1330.81 kJ/mol; hf_CF4=-933.0 kJ/mol

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:
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
Δvap35.98kJ/molVPrice and Sapiano, 1979hf_CF4=-933.0 kJ/mol; ALS
Δvap36.0kJ/molN/APrice and Sapiano, 1979Based on data from 274. to 322. K.; AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
28.0388.N/ADavies, Ewing, et al., 1988Based on data from 373. to 457. K.; AC
28.1365.AStephenson and Malanowski, 1987Based on data from 350. to 451. K.; AC
29.6351.N/AMcCullough, Douslin, et al., 1957Based 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 (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
350.32 to 451.014.205841212.323-34.221Crowder, Taylor, et al., 1967Coefficents calculated by NIST from author's data.
292.96 to 394.53.18702605.954-135.245Rowlinson and Thacker, 1957Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
36.4267.AStephenson and Malanowski, 1987Based on data from 252. to 326. K. See also Crowder, Taylor, et al., 1967.; AC
36.2313.N/ARowlinson and Thacker, 1957, 2Based on data from 293. to 333. K.; AC

Gas phase ion energetics 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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference
13.2EIMajer and Patrick, 1962

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Stewart, 2004
Stewart, J.J.P., Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation, J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6 . [all data]

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]

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]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [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]

Majer and Patrick, 1962
Majer, J.R.; Patrick, C.R., Ionization potentials of perfluorocycloalkanes, Nature, 1962, 193, 161. [all data]


Notes

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