Tetrafluoromethane

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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
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil145.1 ± 0.2KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus89.KN/AStreng, 1971Uncertainty assigned by TRC = 1.5 K; TRC
Tfus89.5KN/AThorp and Scott, 1956Uncertainty assigned by TRC = 0.5 K; TRC
Tfus86.85KN/ARuff and Keim, 1930Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Ttriple89.4 ± 0.8KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tc227.5KN/AAltunin, Geller, et al., 1987Uncertainty assigned by TRC = 0.1 K; TRC
Tc227.5KN/AChari, 1960Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Pc37.45barN/AAltunin, Geller, et al., 1987Uncertainty assigned by TRC = 0.10 bar; TRC
Quantity Value Units Method Reference Comment
Vc0.142l/molN/ATerry, Lynch, et al., 1969Uncertainty assigned by TRC = 800. l/mol; TRC
Quantity Value Units Method Reference Comment
ρc7.155mol/lN/AAltunin, Geller, et al., 1987Uncertainty assigned by TRC = 0.01 mol/l; TRC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
11.814145.12N/ASmith and Pace, 1969P = 101.325 kPa.; DH
12.1212.AStephenson and Malanowski, 1987Based on data from 195. to 227. K.; AC
12.3148.AStephenson and Malanowski, 1987Based on data from 89. to 163. K.; AC
11.9182.AStephenson and Malanowski, 1987Based on data from 160. to 197. K.; AC
12.4131.N/ASmith and Pace, 1969Based on data from 116. to 146. K.; AC
12.8131.N/AMenzel and Mohry, 1933Based on data from 93. to 146. K. See also Stephenson and Malanowski, 1987.; AC

Entropy of vaporization

ΔvapS (J/mol*K) Temperature (K) Reference Comment
81.41145.12Smith and Pace, 1969P; 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
121.59 to 135.393.32027376.716-31.901Regnier, 1972Coefficents calculated by NIST from author's data.
89.71 to 101.460.63481103.578-61.461Smith and Pace, 1969Coefficents calculated by NIST from author's data.
92.51 to 145.874.1682556.616-11.43Menzel and Mohry, 1933Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
14.788.N/ASimon, Knobler, et al., 1967Based on data from 86. to 89. K.; AC
17.076.N/ABondi, 1963AC
14.083.AMenzel and Mohry, 1933Based on data from 80. to 86. K.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
0.7189.56Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (J/mol*K) Temperature (K) Reference Comment
22.4376.27Domalski and Hearing, 1996CAL
7.9589.56
21.476.1
7.788.4
19.276.1
7.989.5

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.462376.09crystaline, IIcrystaline, IEnokida, Shinoda, et al., 1969DH
0.705489.529crystaline, IliquidEnokida, Shinoda, et al., 1969DH
1.709276.27crystaline, IIcrystaline, ISmith and Pace, 1969DH
0.712189.56crystaline, IliquidSmith and Pace, 1969DH
1.734376.09crystaline, IIcrystaline, IKostryukov, Samorukov, et al., 1958DH
0.6937188.44crystaline, IliquidKostryukov, Samorukov, et al., 1958DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
19.2076.09crystaline, IIcrystaline, IEnokida, Shinoda, et al., 1969DH
7.8789.529crystaline, IliquidEnokida, Shinoda, et al., 1969DH
22.4176.27crystaline, IIcrystaline, ISmith and Pace, 1969DH
7.9589.56crystaline, IliquidSmith and Pace, 1969DH
21.3876.09crystaline, IIcrystaline, IKostryukov, Samorukov, et al., 1958DH
7.7488.44crystaline, IliquidKostryukov, Samorukov, et al., 1958DH

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.

Streng, 1971
Streng, A.G., Miscibility and Compatibility of Some Liquid and Solidified Gases at Low Temperature, J. Chem. Eng. Data, 1971, 16, 357. [all data]

Thorp and Scott, 1956
Thorp, N.; Scott, R.L., Fluorocarbon solutions at low termperatures. I. The liquid mixtures CF4-CHF3, CF4-CH4, CF4-Kr, CH4-Kr., J. Phys. Chem., 1956, 60, 670. [all data]

Ruff and Keim, 1930
Ruff, O.; Keim, R., The reaction products of carbon with fluorine: I. Tetrafluoromethane., Z. Anorg. Allg. Chem., 1930, 192, 249. [all data]

Altunin, Geller, et al., 1987
Altunin, V.V.; Geller, V.Z.; Kremenvskaya, E.A.; Perel'shtein, I.I.; Petrov, E.K., Thermophysical Properties of Freons, Methane Ser. Part 2, Vol. 9, NSRDS-USSR, Selover, T. B., Ed., Hemisphere, New York, 1987. [all data]

Chari, 1960
Chari, N.C., Thermodynamic Properties of Carbon Tetrafluoride., Ph.D. Dissertation, Univ. Mich., Ann Arbour, MI, 1960. [all data]

Terry, Lynch, et al., 1969
Terry, M.J.; Lynch, J.T.; Bunclark, M.; Mansell, K.R.; Staveley, L.A.K., The Densities of Liquid Argon, Krypton, Xenon, Oxygen, Nitrogen, Carbon Monoxide, Methane and Carbon Tetrafluoride Along the Orthobaric Liquid Curve, J. Chem. Thermodyn., 1969, 1, 413. [all data]

Smith and Pace, 1969
Smith, J.H.; Pace, E.L., The thermodynamic properties of carbon tetrafluoride from 12°K to its boiling point. The significance of the parameter {nu}, J. Phys. Chem., 1969, 73, 4232-4236. [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]

Menzel and Mohry, 1933
Menzel, Walter; Mohry, Friedrich, Die Dampfdrucke des CF4 und NF3 und der Tripelpunkt des CF4, Z. Anorg. Allg. Chem., 1933, 210, 3, 257-263, https://doi.org/10.1002/zaac.19332100305 . [all data]

Regnier, 1972
Regnier, J., Tension de Vapeur de L'Ethane Entre 80 et 135 K, J. Chim. Phys., 1972, 69, 942-944. [all data]

Simon, Knobler, et al., 1967
Simon, M.; Knobler, C.M.; Duncan, A.G., The vapour pressure of tetrafluoromethane from 86 to 146° K, Cryogenics, 1967, 7, 1-4, 138-140, https://doi.org/10.1016/S0011-2275(67)80053-5 . [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]

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]

Enokida, Shinoda, et al., 1969
Enokida, H.; Shinoda, T.; Mashiko, Y., Thermodynamic properties of carbon tetrafluoride from 40°K to its melting point, Bull. Chem. Soc. Japan, 1969, 42, 3415-3421. [all data]

Kostryukov, Samorukov, et al., 1958
Kostryukov, V.N.; Samorukov, O.P.; Strelkov, P.G., Thermodynamic studies at low temperatures VII. Phase transitions in solid BF3, CF4 and SiF4, Zhur. Fiz. Khim., 1958, 32, 1354-1361. [all data]


Notes

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