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Cyclobutane, octafluoro-

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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, Chris Muzny, director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil267.3KN/APCR Inc., 1990BS
Tboil266.88KN/AKrauss and Stephan, 1989Uncertainty assigned by TRC = 0.2 K; TRC
Tboil223.KN/APark, Benning, et al., 1947Uncertainty assigned by TRC = 10. K; TRC
Quantity Value Units Method Reference Comment
Tfus233.KN/APark, Benning, et al., 1947Uncertainty assigned by TRC = 5. K; TRC
Quantity Value Units Method Reference Comment
Ttriple232.96KN/AKrauss and Stephan, 1989Uncertainty assigned by TRC = 0.2 K; TRC
Ttriple232.96KN/AFurukawa, McCoskey, et al., 1954Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc388.46KN/AKrauss and Stephan, 1989Uncertainty assigned by TRC = 0.3 K; TRC
Tc388.44KN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Tc388.37KN/ADouslin, Moore, et al., 1959Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Pc27.84barN/AKrauss and Stephan, 1989Uncertainty assigned by TRC = 0.05 bar; TRC
Pc27.85barN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0344 bar; TRC
Pc27.775barN/ADouslin, Moore, et al., 1959Uncertainty assigned by TRC = 0.081 bar; TRC
Quantity Value Units Method Reference Comment
Vc0.325l/molN/ADouslin, Moore, et al., 1959Uncertainty assigned by TRC = 0.02 l/mol; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
23.721261.25N/AFurukawa, McCoskey, et al., 1954, 2P = 78.78; DH
23.5304.AStephenson and Malanowski, 1987Based on data from 289. - 348. K.; AC
23.2358.AStephenson and Malanowski, 1987Based on data from 343. - 388. K.; AC
24.9259.AStephenson and Malanowski, 1987Based on data from 233. - 274. K. See also Furukawa, McCoskey, et al., 1954.; AC
25.248.N/AKletskii and Petrik, 1967Based on data from 233. - 388. K.; AC
25.254.N/AMartin, 1962Based on data from 234. - 269. K. See also Boublik, Fried, et al., 1984.; AC

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
90.80261.25Furukawa, McCoskey, et al., 1954, 2P; DH

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
233. - 388.374.2541007.399-30.205Kletskii and Petric, 1967Coefficents calculated by NIST from author's data.

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
2.7682232.96crystaline, IliquidFurukawa, McCoskey, et al., 1954, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
11.89232.96crystaline, IliquidFurukawa, McCoskey, et al., 1954, 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.

PCR Inc., 1990
PCR Inc., Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]

Krauss and Stephan, 1989
Krauss, R.; Stephan, K., Thermal Conductivity of Refrigerants in a Wide Range of Temperature and Pressure, J. Phys. Chem. Ref. Data, 1989, 18, 43. [all data]

Park, Benning, et al., 1947
Park, J.D.; Benning, A.F.; Downing, F.B.; Laucius, J.F.; McHarness, R.C., Synthesis of Tetrafluoroethylene. Pyrolysis of Monochlorodifluoromethane, Ind. Eng. Chem., 1947, 39, 343-8. [all data]

Furukawa, McCoskey, et al., 1954
Furukawa, G.T.; McCoskey, R.E.; Reilly, M.L., Heat capacity, heats of transitions, fusion, and vaporization, and vapor pressure of octafluorocyclobutane, J. RES. NATL. BUR. STAN., 1954, 52, 1, 11, https://doi.org/10.6028/jres.052.003 . [all data]

Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A., The critical constants of binary mixtures of certain perfluoro-compounds with alkanes, J. Chem. Thermodyn., 1972, 4, 301-11. [all data]

Douslin, Moore, et al., 1959
Douslin, D.R.; Moore, R.T.; Waddington, G., The pressure-volume-temperature properties of perfluorocyclobutane: equations of state, viral coefficients and intermolecular potential energy functions, J. Phys. Chem., 1959, 63, 1959. [all data]

Furukawa, McCoskey, et al., 1954, 2
Furukawa, G.T.; McCoskey, R.E.; Reilly, M.L., Heat capacity, heats of transitions, fusion and vaporization, and vapor pressure of octafluorocyclobutane, J. Res., 1954, NBS 52, 11-16. [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]

Kletskii and Petrik, 1967
Kletskii, A.V.; Petrik, L.E., Zh. Fiz. Khim., 1967, 41, 5, 1183. [all data]

Martin, 1962
Martin, J.J., Thermodynamic Properties of Perfluorocyclobutane., J. Chem. Eng. Data, 1962, 7, 1, 68-72, https://doi.org/10.1021/je60012a020 . [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]

Kletskii and Petric, 1967
Kletskii, A.B.; Petric, L.E., Dependence of Vapor Pressure of Perfluorocyclobutane, Zh. Fiz. Khim., 1967, 41, 1183-1184. [all data]


Notes

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