1,2-Dichlorohexafluoropropane

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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
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil308.KN/APCR Inc., 1990BS
Tboil307.3KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Ttriple145.5KN/AGorchakovskii, Zadov, et al., 1990Uncertainty assigned by TRC = 0.6 K; TRC
Quantity Value Units Method Reference Comment
Tc446.KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Δvap27.3kJ/molN/AMajer and Svoboda, 1985 
Δvap26.9 ± 0.1kJ/molCMajer, Svoboda, et al., 1980AC

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
26.28307.3N/AMajer and Svoboda, 1985 
28.1301.N/AMajer, Svoboda, et al., 1980Based on data from 296. - 307. K.; AC
25.9 ± 0.1313.CMajer, Svoboda, et al., 1980AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) β Tc (K) Reference Comment
298. - 313.45.120.2911446.Majer and Svoboda, 1985 

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

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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]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Gorchakovskii, Zadov, et al., 1990
Gorchakovskii, V.K.; Zadov, V.E.; Podvezennyi, V.N., Physical properties of freon 216, Inzh.-Fiz. Zh., 1990, 59, 122-6. [all data]

Majer, Svoboda, et al., 1980
Majer, Vladimír; Svoboda, Václav; Posta, Antonín; Pick, Jirí, Determination of heats of vaporization and some other thermodynamic quantities for several fluorinated halogen derivatives of ethane and propane, Collect. Czech. Chem. Commun., 1980, 45, 11, 3063-3068, https://doi.org/10.1135/cccc19803063 . [all data]


Notes

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