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Fluoroform

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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

Quantity Value Units Method Reference Comment
Tboil188.7KN/APCR Inc., 1990BS
Tboil191.0KN/AStreng, 1971Uncertainty assigned by TRC = 0.05 K; TRC
Tboil189.KN/ACroll and Scott, 1964Uncertainty assigned by TRC = 0.3 K; TRC
Tboil189.KN/AThorp and Scott, 1956Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Tfus110.2KN/AStreng, 1971Uncertainty assigned by TRC = 0.2 K; TRC
Tfus117.97KN/AValentine, Brodale, et al., 1962Uncertainty assigned by TRC = 0.05 K; TRC
Tfus113.KN/AThorp and Scott, 1956Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple117.97KN/AValentine, Brodale, et al., 1962Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc299.1 ± 0.3KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Pc48.28barN/AOhgaki, Umezono, et al., 1990Uncertainty assigned by TRC = 0.25 bar; TRC
Pc48.162barN/AHori, Okazaki, et al., 1982Uncertainty assigned by TRC = 0.02 bar; TRC
Pc50.3585barN/AWagner, 1968Uncertainty assigned by TRC = 0.1013 bar; TRC
Pc48.3612barN/AHou and Martin, 1959Uncertainty assigned by TRC = 0.0689 bar; TRC
Quantity Value Units Method Reference Comment
rhoc7.5 ± 0.1mol/lAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
16.711190.97N/AValentine, Brodale, et al., 1962, 2P = 101.325 kPa.; DH
18.1175.AStephenson and Malanowski, 1987Based on data from 138. - 190. K.; AC
16.8213.AStephenson and Malanowski, 1987Based on data from 198. - 298. K.; AC
18.0177.N/AValentine, Brodale, et al., 1962, 2Based on data from 146. - 192. K.; AC

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
87.50190.97Valentine, Brodale, et al., 1962, 2P; 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
145.36 - 191.194.25548718.089-22.013Valentine, Brodale, et al., 1962, 2Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Reference Comment
25.6103.Stephenson and Malanowski, 1987Based on data from 89. - 118. K.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
4.058117.97Valentine, Brodale, et al., 1962, 2DH
4.06118.Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
34.40117.97Valentine, Brodale, et al., 1962, 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.

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

Croll and Scott, 1964
Croll, I.M.; Scott, R.L., Fluorocarbon Solutions at Low Termperatures IV. The Liquid Mixtures CH4 + CClF3, CH2F2 + CClF3, CHF3 + CClF3, CF4 + CClF3, C2H6 + CClF3, C2H6 + CF4, and CHF3 + CF4, J. Phys. Chem., 1964, 68, 3853. [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]

Valentine, Brodale, et al., 1962
Valentine, R.H.; Brodale, G.E.; Giauque, W.F., Trifluoromethane: entropy,low temp. heat capacity, heats of fusion and vaporization, and vapor pressure, J. Phys. Chem., 1962, 66, 392. [all data]

Ohgaki, Umezono, et al., 1990
Ohgaki, K.; Umezono, S.; Katayama, T., Pressure-density-temperature (p-«rho»-T) relations of fluoroform, nitrous oxide, and propene in the critical region, J. Supercrit. Fluids, 1990, 3, 78-84. [all data]

Hori, Okazaki, et al., 1982
Hori, K.; Okazaki, S.; Uematsu, M.; Watanabe, K., An Experimental Study of Thermodynamic Properties of Trifluoromethane in Proc. Symp. Thermophys. Prop., 8th, 1981, Gaithersburg, Vol. II, Sengers, J. V., Ed., ASME: New York, p. 370-6, 1982. [all data]

Wagner, 1968
Wagner, W., Thermodynamic properties of trifluoromethane, Kaeltetech.-Klim., 1968, 20, 238-40. [all data]

Hou and Martin, 1959
Hou, Y.-C.; Martin, J.J., Physical and Thermodynamic properties of trifluoromethane, AIChE J., 1959, 5, 125. [all data]

Valentine, Brodale, et al., 1962, 2
Valentine, R.H.; Brodale, G.E.; Giauque, W.F., Trifluoromethane: entropy, low temperature heat capacity, heats of fusion and vaporization, and vapor pressure, J. Phys. Chem., 1962, 66, 392-395. [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]

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]


Notes

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