Hexane, tetradecafluoro-

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

Quantity Value Units Method Reference Comment
Tboil332.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil332. - 333.KN/APCR Inc., 1990BS
Tboil330.3KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus182.5KN/AStarkweather, 1986Crystal phase 1 phase; Uncertainty assigned by TRC = 0.5 K; TRC
Tfus185.KN/ACampos-Vallette and Rey-Lafon, 1983Uncertainty assigned by TRC = 1. K; TRC
Tfus186.89KN/ADunlap, Murphy, et al., 1958Uncertainty assigned by TRC = 0.06 K; TRC
Tfus187.10KN/AStiles and Cady, 1952Uncertainty assigned by TRC = 0.1 K; TRC
Quantity Value Units Method Reference Comment
Ttriple185.KN/ACampos-Vallette, Rey-Lafon, et al., 1982Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC
Ttriple187.45KN/ACrowder, Taylor, et al., 1967Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc448.77KN/AMousa, 1978Uncertainty assigned by TRC = 1.3 K; technique of measurement not clear; TRC
Tc449.0KN/ASkripov and Muratov, 1977TRC
Tc448.77KN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.2 K; TRC
Tc451.7KN/AErmakov and Skripov, 1967Uncertainty assigned by TRC = 0.5 K; TRC
Tc447.65KN/ADunlap, Murphy, et al., 1958Uncertainty assigned by TRC = 0.5 K; by visual observation of meniscus; TRC
Quantity Value Units Method Reference Comment
Pc18.4370atmN/AMousa, 1978Uncertainty assigned by TRC = 0.20 atm; measurement technique not clear; TRC
Pc18.80atmN/ASkripov and Muratov, 1977Vis, pc by extrapolation of VP; TRC
Pc18.437atmN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0340 atm; TRC
Quantity Value Units Method Reference Comment
ρc1.650mol/lN/AMousa, 1978Uncertainty assigned by TRC = 0.009 mol/l; method of measurement not clear; TRC
ρc1.65mol/lN/AMousa, Kay, et al., 1972Uncertainty assigned by TRC = 0.0165 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap7.77 ± 0.02kcal/molN/ADias, Gonçalves, et al., 2005Based on data from 289. - 333. K.; AC
Δvap7.50kcal/molN/ABoublik, Fried, et al., 1984Based on data from 285. - 340. K. See also Basarová and Svoboda, 1991.; AC
Δvap7.74kcal/molN/AStiles and Cady, 1952, 2Based on data from 284. - 342. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.22276.AStephenson and Malanowski, 1987Based on data from 261. - 334. K.; AC
7.98441.AStephenson and Malanowski, 1987Based on data from 433. - 449. K. See also Mousa, 1978, 2.; AC
7.53316.N/ADunlap, Murphy, et al., 1958, 2Based on data from 303. - 330. 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
256.43 - 447.084.067911113.329-56.472Crowder, Taylor, et al., 1967, 2Coefficents calculated by NIST from author's data.
324.1 - 451.74.641221570.21714.047Ermakov and Skripov, 1967, 2Coefficents calculated by NIST from author's data.
303.21 - 330.62.11830327.523-175.973Dunlap, Murphy, et al., 1958, 2Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
1.63185.Domalski and Hearing, 1996See also Starkweather, 1986, 2.; AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.231103.crystaline, IIcrystaline, ICampos-Vallette, Rey-Lafon, et al., 1982, 2Transition between 90 and 130 K.; DH
1.634185.crystaline, IliquidCampos-Vallette, Rey-Lafon, et al., 1982, 2DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
2.390103.crystaline, IIcrystaline, ICampos-Vallette, Rey-Lafon, et al., 1982, 2Transition; DH
8.80185.crystaline, IliquidCampos-Vallette, Rey-Lafon, et al., 1982, 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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

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

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Starkweather, 1986
Starkweather, H.W., Jr., Melting and crystalline transitions in normal perfluoroalkanes and poly(tetrafluoroethylene), Marcomolecules, 1986, 19, 4, 1131, https://doi.org/10.1021/ma00158a034 . [all data]

Campos-Vallette and Rey-Lafon, 1983
Campos-Vallette, M.; Rey-Lafon, M., J. Mol. Struct., 1983, 101, 23. [all data]

Dunlap, Murphy, et al., 1958
Dunlap, R.D.; Murphy, C.J.; Bedford, R.G., Some physical properties of perfluoro-n-hexane, J. Am. Chem. Soc., 1958, 80, 83. [all data]

Stiles and Cady, 1952
Stiles, V.E.; Cady, G.H., Physical properties of perfluoro-n-hexane and perfluoro-2-methylpentane, J. Am. Chem. Soc., 1952, 74, 3771-3. [all data]

Campos-Vallette, Rey-Lafon, et al., 1982
Campos-Vallette, M.; Rey-Lafon, M.; Lagnier, R., Vibrational and Calorimetric Study of Phase Transitions in n-C6F14 and n-C8H18 Crystals, Chem. Phys. Lett., 1982, 89, 189. [all data]

Crowder, Taylor, et al., 1967
Crowder, G.A.; Taylor, Z.L.; Reed, T.M.; Young, J.A., Vapor Pressures and Triple Point Temp. for Several Pure Fluorocarbons fluorocarbons, J. Chem. Eng. Data, 1967, 12, 481. [all data]

Mousa, 1978
Mousa, A.H.N., Study of Vapor Pressure and Critical Properties of Perfluoro-n-Hexane, J. Chem. Eng. Data, 1978, 23, 133-4. [all data]

Skripov and Muratov, 1977
Skripov, V.P.; Muratov, G.N., The surface tensions of liquids and their interpretation by the method of thermodynamic similarity., Russ. J. Phys. Chem. (Engl. Transl.), 1977, 51, 806-8. [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]

Ermakov and Skripov, 1967
Ermakov, G.V.; Skripov, V.P., Saturation Line, Critical Parameters, and Attainable Superheating of the Perfluoroparaffins, Russ. J. Phys. Chem. (Engl. Transl.), 1967, 41, 39-43. [all data]

Dias, Gonçalves, et al., 2005
Dias, Ana M.A.; Gonçalves, Carla M.B.; Caço, Ana I.; Santos, Luís M.N.B.F.; Piñeiro, Manuel M.; Vega, Lourdes F.; Coutinho, João A.P.; Marrucho, Isabel M., Densities and Vapor Pressures of Highly Fluorinated Compounds, J. Chem. Eng. Data, 2005, 50, 4, 1328-1333, https://doi.org/10.1021/je050056e . [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]

Stiles and Cady, 1952, 2
Stiles, Vernon E.; Cady, George H., Physical Properties of Perfluoro-n-hexane and Perfluoro-2-methylpentane, J. Am. Chem. Soc., 1952, 74, 15, 3771-3773, https://doi.org/10.1021/ja01135a017 . [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]

Mousa, 1978, 2
Mousa, A.H.N., Study of vapor pressure and critical properties of perfluoro-n-hexane, J. Chem. Eng. Data, 1978, 23, 2, 133-134, https://doi.org/10.1021/je60077a004 . [all data]

Dunlap, Murphy, et al., 1958, 2
Dunlap, Robert D.; Murphy, C.J.; Bedford, Ray G., Some Physical Properties of Perfluoro-n-hexane, J. Am. Chem. Soc., 1958, 80, 1, 83-85, https://doi.org/10.1021/ja01534a023 . [all data]

Crowder, Taylor, et al., 1967, 2
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]

Ermakov and Skripov, 1967, 2
Ermakov, H.V.; Skripov, V.P., Saturation Line Critical Parameters and Reachable Overheat of Perfluoroparaffins, Zh. Fiz. Khim., 1967, 41, 1, 77-81. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Starkweather, 1986, 2
Starkweather, Howard W., Melting and crystalline transitions in normal perfluoroalkanes and poly(tetrafluoroethylene), Macromolecules, 1986, 19, 4, 1131-1134, https://doi.org/10.1021/ma00158a034 . [all data]

Campos-Vallette, Rey-Lafon, et al., 1982, 2
Campos-Vallette, M.; Rey-Lafon, M.; Lagnier, R., Vibrational and calorimetric study of phase transitions in n-C6F14 and n-C8F18 crystals, Chem. Phys. Lett., 1982, 89, 189-192. [all data]


Notes

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