Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

1,2-Dibromotetrafluoroethane

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Phase change data

Go To: Top, 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, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil320. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus161.65KN/ARuff and Bretschneider, 1933Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Ttriple162.83KN/AKosarukina, Zhogin, et al., 1982Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc487.8KN/AMajer and Svoboda, 1985 
Quantity Value Units Method Reference Comment
Deltavap28.61kJ/molN/AMajer and Svoboda, 1985 
Deltavap28.5kJ/molAStephenson and Malanowski, 1987Based on data from 283. - 357. K.; AC
Deltavap28.4 ± 0.1kJ/molCMajer, Svoboda, et al., 1981AC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
27.03320.3N/AMajer and Svoboda, 1985 
26.9369.AStephenson and Malanowski, 1987Based on data from 354. - 443. K.; AC
27.1455.AStephenson and Malanowski, 1987Based on data from 440. - 488. K.; AC
30.0280.N/AStephenson and Malanowski, 1987Based on data from 246. - 295. K. See also Dykyj, 1970.; AC
27.5 ± 0.1313.CMajer, Svoboda, et al., 1981AC
26.5 ± 0.1328.CMajer, Svoboda, et al., 1981AC

Enthalpy of vaporization

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A (kJ/mol) beta Tc (K) Reference Comment
298. - 328.44.460.2884487.8Majer and Svoboda, 1985 

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
7.04162.8Acree, 1991AC

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
7.0367162.83crystaline, IliquidKosarukina, Zhogin, et al., 1982, 2DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
43.22162.83crystaline, IliquidKosarukina, Zhogin, et al., 1982, 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.

Ruff and Bretschneider, 1933
Ruff, O.; Bretschneider, O., The Preparation of Hexafluoroethane and Tetrafluoroethene from Tetrafluoromethane, Z. Anorg. Allg. Chem., 1933, 210, 173. [all data]

Kosarukina, Zhogin, et al., 1982
Kosarukina, E.A.; Zhogin, D.Yu.; Kolesov, V.P.; Kuramshina, G.M.; Pentin, Y.A.; Izmest'ev, I.V., Heat capacity in the range 8-300 K, thermodyn. functions, and conformational isomerism of 1,2-dibromotetrafluoroethane, Zh. Fiz. Khim., 1982, 56, 1892. [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]

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]

Majer, Svoboda, et al., 1981
Majer, Vladimír; Svoboda, Václav; Posta, Antonín; Pick, Jirí, Determination of heats of vaporization and some other thermodynamic quantities for three fluorinated halogen ethanes, Collect. Czech. Chem. Commun., 1981, 46, 4, 817-822, https://doi.org/10.1135/cccc19810817 . [all data]

Dykyj, 1970
Dykyj, J., Petrochemica, 1970, 10, 2, 51. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Kosarukina, Zhogin, et al., 1982, 2
Kosarukina, E.A.; Zhogin, D.Yu.; Kolesov, V.P.; Kuramshina, G.M.; Pentin, Yu.A.; Izmest'ev, I.V.; Danilov, A.V., Heat capacity in the range 8-300 K, thermodynamic functions, and conformational isomerism of 1,2-dibromotetrafluoroethane, Zhur. Fiz. Khim., 1982, 56, 1892-1896. [all data]


Notes

Go To: Top, Phase change data, References