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Ethane, 1,2-dibromo-

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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 - R.L. Brown and S.E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, M. Frenkel director
AC - W.E. Acree, Jr., J.S. Chickos
ALS - H.Y. Afeefy, J.F. Liebman, and S.E. Stein
DH - E.S. Domalski and E.D. Hearing
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
Tboil404. ± 2.KAVGN/AAverage of 33 out of 37 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus282.9 ± 0.4KAVGN/AAverage of 9 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple283.0KN/APitzer, 1940Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Deltavap39. ± 10.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
41.780404.7N/ASvoboda, Kubes, et al., 1992DH
34.77404.8N/AMajer and Svoboda, 1985 
41.8300.N/AGoto, Fujinawa, et al., 1996Based on data from 283. - 317. K.; AC
41.7 ± 0.1308.CSvoboda, Kubes, et al., 1992AC
41.7 ± 0.1315.CSvoboda, Kubes, et al., 1992AC
41.6 ± 0.1323.CSvoboda, Kubes, et al., 1992AC
41.5 ± 0.1330.CSvoboda, Kubes, et al., 1992AC
41.4 ± 0.1338.CSvoboda, Kubes, et al., 1992AC
40.0331.AStephenson and Malanowski, 1987Based on data from 316. - 488. K.; AC
37.4419.AStephenson and Malanowski, 1987Based on data from 404. - 578. K.; AC
49.6291.MM,ACall, 1957Based on data from 285. - 298. K.; AC
39.6340.N/ADreisbach and Shrader, 1949Based on data from 325. - 404. K. See also Dreisbach and Martin, 1949.; AC
31.1261.N/AStull, 1947Based on data from 246. - 404. K.; AC

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
246. - 404.77.369144101.146153.034Stull, 1947Coefficents calculated by NIST from author's data.

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
54.8239.N/AGoto, Fujinawa, et al., 1996Based on data from 229. - 248. K.; AC
49.8258.AGoto, Fujinawa, et al., 1996Based on data from 251. - 281. K. See also Stull, 1947 and Stephenson and Malanowski, 1987.; AC

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
7.78249.5Domalski and Hearing, 1996CAL
38.66283.

Enthalpy of phase transition

DeltaHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.9405249.54crystaline, IIcrystaline, IPitzer, 1940, 2DH
10.9445283.0crystaline, IliquidPitzer, 1940, 2DH
1.880250.6crystaline, IIcrystaline, IRailing, 1939DH
10.835283.1crystaline, IliquidRailing, 1939DH

Entropy of phase transition

DeltaStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
7.78249.54crystaline, IIcrystaline, IPitzer, 1940, 2DH
38.67283.0crystaline, IliquidPitzer, 1940, 2DH
7.5250.6crystaline, IIcrystaline, IRailing, 1939DH
38.3283.1crystaline, IliquidRailing, 1939DH

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.

Pitzer, 1940
Pitzer, K.S., The Heat Capacities, Heats of Transition and Fusion, and Entropies of Ethylene Dichloride and Ethylene Dibromide, J. Am. Chem. Soc., 1940, 62, 331-5. [all data]

Svoboda, Kubes, et al., 1992
Svoboda, V.; Kubes, V.; Basarova, P., Enthalpies of vaporization and cohesive energies of 1,1,2,2-tetrachloro-1,2-difluoroethane, 1,2-dibromoethane, 1-bromo-2-chloroethane, 1,3-dibromo-propane, and 1,4-dibromo-2,3-dichloro-1,1,2,3,4,4-hexafluorobutane, J. Chem. Thermodyn., 1992, 24, 555-558. [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]

Goto, Fujinawa, et al., 1996
Goto, Hirotoshi; Fujinawa, Tasuku; Asahi, Hidemasa; Inabe, Tamotsu; Ogata, Hironori; Miyajima, Seiichi; Maruyama, Yusei, Crystal Structures and Physical Properties of 1,6-Diaminopyrene-p-chloranil (DAP-CHL) Charge-Transfer Complex. Two Polymorphs and Their Unusual Electrical Properties., Bull. Chem. Soc. Jpn., 1996, 69, 1, 85-93, https://doi.org/10.1246/bcsj.69.85 . [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]

Call, 1957
Call, F., Determination of the vapour pressure of ethylene dibromide, J. Sci. Food Agric., 1957, 8, 2, 81-85, https://doi.org/10.1002/jsfa.2740080204 . [all data]

Dreisbach and Shrader, 1949
Dreisbach, R.R.; Shrader, S.A., Vapor Pressure--Temperature Data on Some Organic Compounds, Ind. Eng. Chem., 1949, 41, 12, 2879-2880, https://doi.org/10.1021/ie50480a054 . [all data]

Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A., Physical Data on Some Organic Compounds, Ind. Eng. Chem., 1949, 41, 12, 2875-2878, https://doi.org/10.1021/ie50480a053 . [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]

Pitzer, 1940, 2
Pitzer, K.S., The heat capacities, heats of transition and fusion, and entropies of ethylene dichloride and ethylene dibromide, J. Am. Chem. Soc., 1940, 62, 331-335. [all data]

Railing, 1939
Railing, W.E., The specific heat of some ethylene halides, J. Am. Chem. Soc., 1939, 61, 3349-3353. [all data]


Notes

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