Hexane, tetradecafluoro-

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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: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
57.41273.Campos-Vallette and Diaz, 1983Data from 82CAM/REY.
59.3273.Cochran, North, et al., 1974T = 233 to 273 K.

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. to 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. to 333. K.; AC
Δvap7.50kcal/molN/ABoublik, Fried, et al., 1984Based on data from 285. to 340. K. See also Basarová and Svoboda, 1991.; AC
Δvap7.74kcal/molN/AStiles and Cady, 1952, 2Based on data from 284. to 342. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
8.22276.AStephenson and Malanowski, 1987Based on data from 261. to 334. K.; AC
7.98441.AStephenson and Malanowski, 1987Based on data from 433. to 449. K. See also Mousa, 1978, 2.; AC
7.53316.N/ADunlap, Murphy, et al., 1958, 2Based on data from 303. to 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)

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
256.43 to 447.084.067911113.329-56.472Crowder, Taylor, et al., 1967, 2Coefficents calculated by NIST from author's data.
324.1 to 451.74.641221570.21714.047Ermakov and Skripov, 1967, 2Coefficents calculated by NIST from author's data.
303.21 to 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, 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.

Campos-Vallette and Diaz, 1983
Campos-Vallette, M.; Diaz, F.G., Some physical and thermodynamic properties of n-CnF2n+2 compounds with n = 4-8, Semina (Londrian Braz.), 1983, 4(14), 405-409. [all data]

Cochran, North, et al., 1974
Cochran, M.A.; North, A.M.; Pethrick, R.A., Ultrasonic studies of perfluoro-n-alkanes, J. Chem. Soc., 1974, 70, 1274-1279. [all data]

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

Go To: Top, Condensed phase thermochemistry data, Phase change data, References