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Difluorochloromethane

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, M. Frenkel director
DH - E.S. Domalski and E.D. Hearing
AC - W.E. Acree, Jr., J.S. Chickos
CAL - J.S. Chickos, W.E. Acree, Jr., J.F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Quantity Value Units Method Reference Comment
Tboil313.3KN/ASeliverstov, 1970Uncertainty assigned by TRC = 0.6 K; TRC
Tboil232.37KN/AAnonymous, 1968TRC
Quantity Value Units Method Reference Comment
Tfus114.KN/AWang, Adcock, et al., 1991Uncertainty assigned by TRC = 2. K; TRC
Tfus113.15KN/AAnonymous, 1968TRC
Quantity Value Units Method Reference Comment
Ttriple115.760KN/ABlanke and Weiss, 1991Uncertainty assigned by TRC = 0.01 K; on ITS-90; TRC
Ttriple115.73KN/ANeilson and White, 1957Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc369.3 ± 0.3KAVGN/AAverage of 12 out of 13 values; Individual data points
Quantity Value Units Method Reference Comment
Pc49.8 ± 0.6barAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.147l/molN/AWang, Adcock, et al., 1991Uncertainty assigned by TRC = 0.005 l/mol; TRC
Quantity Value Units Method Reference Comment
rhoc7. ± 2.mol/lAVGN/AAverage of 6 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
20.217232.50N/ANeilson and White, 1957, 2P = 101.325 kPa.; DH
20.0290.AStephenson and Malanowski, 1987Based on data from 275. - 327. K.; AC
21.3218.AStephenson and Malanowski, 1987Based on data from 170. - 233. K.; AC
20.4260.AStephenson and Malanowski, 1987Based on data from 230. - 275. K.; AC
20.1339.AStephenson and Malanowski, 1987Based on data from 324. - 366. K.; AC
21.8209.N/AKudchadker, Kudchadker, et al., 1979Based on data from 194. - 310. K.; AC
21.0232.N/AKletskii, 1964Based on data from 229. - 236. K.; AC
20.2232.CNeilson and White, 1957, 2AC

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
86.95232.50Neilson and White, 1957, 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
229.60 - 236.404.17693857.673-26.667Kletskii, 1964, 2Coefficents calculated by NIST from author's data.
232.4 - 358.54.36567947.577-14.964Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
4.12115.7Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
1.1359.Domalski and Hearing, 1996CAL
35.65115.7

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.06759.crystaline, IIcrystaline, INeilson and White, 1957, 2DH
4.1233115.73crystaline, IliquidNeilson and White, 1957, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
1.1459.crystaline, II, Lambdacrystaline, I, type transitionNeilson and White, 1957, 2DH
35.63115.73crystaline, IliquidNeilson and White, 1957, 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.

Seliverstov, 1970
Seliverstov, V.M., Solubility of difluoromonochloromethane in certain phthalates, dioctyl sebacate, triacetin, and dimethylformamide, Zh. Prikl. Khim. (Leningrad), 1970, 43, 1605-7. [all data]

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Wang, Adcock, et al., 1991
Wang, B.H.; Adcock, J.L.; Mathur, S.B.; Van Hook, W.A., Vapor pressures, liquid molar volumes, vapor non-idealities, and critical properties of some fluorinated ethers: CF3OCF2OCF3, CF3OCF2CF2H, c-CF2CF2 CF2O, CF3OCF2H, and CF3OCH3; and of CCl3F and CF2CI, J. Chem. Thermodyn., 1991, 23, 699-710. [all data]

Blanke and Weiss, 1991
Blanke, W.; Weiss, R., Thermodynamic properties of refrigerants. Part I: the triple points of the refrigerants R11, R12, R22, R142b, and 152a, PTB-Mitt., 1991, 101, 337-9. [all data]

Neilson and White, 1957
Neilson, E.F.; White, D., Heat Capacity, Heat of Fusion, Heat of Transition, and Heat of Vapor- ization of Chlorodifluoromethane Between 16 K and the Boiling Point, J. Am. Chem. Soc., 1957, 79, 5618. [all data]

Neilson and White, 1957, 2
Neilson, E.F.; White, D., The heat capacity, heat of fusion, heat of transition and heat of vaporization of chlorodifluoromethane between 16°K and the boiling point, J. Am. Chem. Soc., 1957, 79, 5618-5621. [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]

Kudchadker, Kudchadker, et al., 1979
Kudchadker, A.P.; Kudchadker, S.A.; Shukla, R.P.; Patnaik, P.R., Vapor pressures and boiling points of selected halomethanes, J. Phys. Chem. Ref. Data, 1979, 8, 2, 499, https://doi.org/10.1063/1.555600 . [all data]

Kletskii, 1964
Kletskii, A.V., Inzh. Fiz. Zh. Akad. Nauk Beldrussk. SSR, 1964, 7, 40. [all data]

Kletskii, 1964, 2
Kletskii, A.V., Dependence of Vapor Pressure Freon - 22, Inzh. Fiz. Zh., 1964, 7, 40-43. [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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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