Tetrafluoromethane

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-221. ± 6.kcal/molAVGN/AAverage of 12 out of 13 values; Individual data points
Quantity Value Units Method Reference Comment
gas,1 bar62.478cal/mol*KReviewChase, 1998Data last reviewed in June, 1969

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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Temperature (K) 298. to 1000.1000. to 6000.
A 3.81639225.38769
B 50.270510.257199
C -45.28339-0.053344
D 14.866700.003765
E -0.051940-1.993470
F -226.2160-236.0840
G 53.6990085.08040
H -223.0400-223.0400
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1969 Data last reviewed in June, 1969

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δcliquid-363.262kcal/molCcbPrice and Sapiano, 1979ALS
Δcliquid-531.14kcal/molCcbKrech, Price, et al., 1973ALS
Quantity Value Units Method Reference Comment
liquid34.410cal/mol*KN/ASmith and Pace, 1969DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
19.14145.Smith and Pace, 1969T = 12 to 145 K. See also 69SMI/PAC.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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
Pc36.96atmN/AAltunin, Geller, et al., 1987Uncertainty assigned by TRC = 0.099 atm; 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 (kcal/mol) Temperature (K) Method Reference Comment
2.8236145.12N/ASmith and Pace, 1969P = 101.325 kPa.; DH
2.89212.AStephenson and Malanowski, 1987Based on data from 195. to 227. K.; AC
2.94148.AStephenson and Malanowski, 1987Based on data from 89. to 163. K.; AC
2.84182.AStephenson and Malanowski, 1987Based on data from 160. to 197. K.; AC
2.96131.N/ASmith and Pace, 1969Based on data from 116. to 146. K.; AC
3.06131.N/AMenzel and Mohry, 1933Based on data from 93. to 146. K. See also Stephenson and Malanowski, 1987.; AC

Entropy of vaporization

ΔvapS (cal/mol*K) Temperature (K) Reference Comment
19.46145.12Smith and Pace, 1969P; DH

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
121.59 to 135.393.31456376.716-31.901Regnier, 1972Coefficents calculated by NIST from author's data.
89.71 to 101.460.62910103.578-61.461Smith and Pace, 1969Coefficents calculated by NIST from author's data.
92.51 to 145.874.1625556.616-11.43Menzel and Mohry, 1933Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
3.5188.N/ASimon, Knobler, et al., 1967Based on data from 86. to 89. K.; AC
4.0676.N/ABondi, 1963AC
3.3583.AMenzel and Mohry, 1933Based on data from 80. to 86. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
0.1789.56Domalski and Hearing, 1996AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
5.36176.27Domalski and Hearing, 1996CAL
1.9089.56
5.1176.1
1.888.4
4.5976.1
1.989.5

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.3495076.09crystaline, IIcrystaline, IEnokida, Shinoda, et al., 1969DH
0.168689.529crystaline, IliquidEnokida, Shinoda, et al., 1969DH
0.4085176.27crystaline, IIcrystaline, ISmith and Pace, 1969DH
0.170289.56crystaline, IliquidSmith and Pace, 1969DH
0.4145176.09crystaline, IIcrystaline, IKostryukov, Samorukov, et al., 1958DH
0.1658088.44crystaline, IliquidKostryukov, Samorukov, et al., 1958DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
4.58976.09crystaline, IIcrystaline, IEnokida, Shinoda, et al., 1969DH
1.8889.529crystaline, IliquidEnokida, Shinoda, et al., 1969DH
5.35676.27crystaline, IIcrystaline, ISmith and Pace, 1969DH
1.9089.56crystaline, IliquidSmith and Pace, 1969DH
5.11076.09crystaline, IIcrystaline, IKostryukov, Samorukov, et al., 1958DH
1.8588.44crystaline, 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:


IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

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

Data compiled by: Pamela M. Chu, Franklin R. Guenther, George C. Rhoderick, and Walter J. Lafferty


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Gas Chromatography, References, Notes

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 701

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Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryPorapack Q82.Zenkevich and Rodin, 2004Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Price and Sapiano, 1979
Price, S.J.W.; Sapiano, H.J., Determination of ΔH°f298(C6F10,g) and ΔH°f298(C6F12,g) from studies of the combustion of decafluorocyclohexene and dodecafluorocylohexene in oxygen and calculation of the resonance energy of hexafluorobenzene, Can. J. Chem., 1979, 58, 685-688. [all data]

Krech, Price, et al., 1973
Krech, M.J.; Price, S.J.W.; Yared, W.F., Determination of the heat of formation of octafluorotoluene and calculation of D[C6F5-F] - D[C6F5-CF3], Can. J. Chem., 1973, 51, 3662-3664. [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]

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]

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]

Zenkevich and Rodin, 2004
Zenkevich, I.G.; Rodin, A.A., Gas chromatographic identification of some volatile toxic fluorine containing compounds by precalculated retention indices, J. Ecol. Chem. (Rus.), 2004, 13, 1, 22-28. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References