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Pentane, dodecafluoro-

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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
45.00293.Campos-Vallette and Diaz, 1983Interpolated data.

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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil302.6KN/APCR Inc., 1990BS
Tboil303.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Ttriple148.35KN/ACrowder, Taylor, et al., 1967Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc421.9KN/AErmakov and Skripov, 1967Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Deltavap6.36kcal/molN/ABoublik, Fried, et al., 1984Based on data from 280. - 340. K. See also Basarová and Svoboda, 1991.; AC
Deltavap6.57kcal/molN/ABarber and Cady, 1956Based on data from 288. - 338. K.; AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
7.43236.AStephenson and Malanowski, 1987Based on data from 221. - 303. K. See also Crowder, Taylor, et al., 1967, 2.; 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
221.17 - 303.004.296451130.731-38.982Crowder, Taylor, et al., 1967, 2Coefficents calculated by NIST from author's data.
300. - 421.94.378521257.758-13.231Ermakov and Skripov, 1967, 2Coefficents calculated by NIST from author's data.
282.82 - 337.944.20061103.454-39.77Barber and Cady, 1956Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kcal/mol) Temperature (K) Reference Comment
10.4145.Bondi, 1963See also Burger and Cady, 1951 and Barber and Cady, 1956.; AC

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.6147.8Burger and Cady, 1951AC

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Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 13898

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References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Site Links, NIST Free Links, 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]

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]

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]

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]

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]

Barber and Cady, 1956
Barber, Eugene John; Cady, George H., Vapor Pressures of Perfluoropentanes, J. Phys. Chem., 1956, 60, 4, 504-505, https://doi.org/10.1021/j150538a030 . [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]

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]

Bondi, 1963
Bondi, A., Heat of Siblimation of Molecular Crystals: A Catalog of Molecular Structure Increments., J. Chem. Eng. Data, 1963, 8, 3, 371-381, https://doi.org/10.1021/je60018a027 . [all data]

Burger and Cady, 1951
Burger, Leland L.; Cady, George H., Physical Properties of Perfluoropentanes 1a, J. Am. Chem. Soc., 1951, 73, 9, 4243-4246, https://doi.org/10.1021/ja01153a061 . [all data]


Notes

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