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Ethane, 1,2-dibromo-

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Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltacliquid-1240.3 ± 1.6kJ/molCcbSmith and Bjellerup, 1947ALS
Deltacliquid-1215.7kJ/molCcbPopoff and Schirokich, 1933At 288 °K; ALS
Quantity Value Units Method Reference Comment
liquid223.30J/mol*KN/APitzer, 1940DH

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
134.7298.15Shehatta, 1993DH
135.0298.15Wilhelm, Schano, et al., 1969T = 20, 30, 40°C.; DH
136.4300.Findenegg, Gruber, et al., 1965DH
134.8293.D'hont and Jungers, 1949DH
135.14310.Wuyts and Jungers, 1949DH
134.7398.Kurbatov, 1948T = 16 to 127°C, mean Cp, four temperatures.; DH
136.0298.15Pitzer, 1940T = 15 to 300 K.; DH
129.5300.Railing, 1939T = 90 to 320 K. Data graphically only. Value read from graph.; DH

Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Ethane, 1,1-dibromo- = Ethane, 1,2-dibromo-

By formula: C2H4Br2 = C2H4Br2

Quantity Value Units Method Reference Comment
Deltar-13.05 ± 0.52kJ/molEqkIzmailov, Rozhnov, et al., 1974gas phase
Deltar12.1 ± 1.3kJ/molEqkLevanova, Rozhnov, et al., 1970gas phase; Heat of isomerization at 484 K

Ethylene + Bromine = Ethane, 1,2-dibromo-

By formula: C2H4 + Br2 = C2H4Br2

Quantity Value Units Method Reference Comment
Deltar-120.9 ± 1.3kJ/molCmConn, Kistiakowsky, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -121.6 ± 1.3 kJ/mol; At 355 °K

Ethane, 1,2-dibromo- = Hydrogen bromide + Vinyl bromide

By formula: C2H4Br2 = HBr + C2H3Br

Quantity Value Units Method Reference Comment
Deltar80. ± 2.kJ/molEqkLevanova, Rozhnov, et al., 1970gas phase

References

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Smith and Bjellerup, 1947
Smith, L.; Bjellerup, L., Neue Versuche mit beweglicher calorimetrischer Bombe, Acta Chem. Scand., 1947, 1, 566-570. [all data]

Popoff and Schirokich, 1933
Popoff, M.M.; Schirokich, P.K., Ein Calorimeter zum Verbrennen von Chlor- und Bromderivaten, Z. Phys. Chem. (Leipzig), 1933, 167, 183-187. [all data]

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, 331-335. [all data]

Shehatta, 1993
Shehatta, I., Heat capacity at constant pressure of some halogen compounds, Thermochim. Acta, 1993, 213, 1-10. [all data]

Wilhelm, Schano, et al., 1969
Wilhelm, E.; Schano, R.; Becker, G.; Findenegg, G.H.; Kohler, F., Molar heat capacity at constant volume. Binary mixtures of 1,2-dichloroethane and 1,2-dibromoethane with cyclohexane, Trans. Faraday Soc., 1969, 65, 1443-1455. [all data]

Findenegg, Gruber, et al., 1965
Findenegg, G.H.; Gruber, K.; Pereira, J.F.; Kohler, F., Kalorimetrische Messungen an Mischungen von Nichtelektrolyten, 1. Mitt.: Molwarme des Systems 1,2-Dibromathan-Benzol, Monatsh. Chem., 1965, 96, 669-678. [all data]

D'hont and Jungers, 1949
D'hont, M.; Jungers, J.C., La chaleur molaire des 1,1'-dibromethanes et 1,1',2-tribromethanes en phase liquide, Bull. Soc. Chim. Belg., 1949, 58, 196-204. [all data]

Wuyts and Jungers, 1949
Wuyts, J.; Jungers, J.C., Les chaleurs molaires des bibromures de deuteroethylene, Bull. Soc. Chim. Belg., 1949, 58, 80-86. [all data]

Kurbatov, 1948
Kurbatov, V.Ya., Heat capacity of liquids. 2. Heat capacity and the temperature dependence of heat capacity from halogen derivatives of acylic hydrocarbons, Zh. Obshch. Kim., 1948, 18, 372-389. [all data]

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

Izmailov, Rozhnov, et al., 1974
Izmailov, V.D.; Rozhnov, A.M.; Sharonov, K.G., Equilibrium in the isomerisation of 1,1-dibromoethane and 1,1-dibromopropane, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 289-290. [all data]

Levanova, Rozhnov, et al., 1970
Levanova, S.V.; Rozhnov, A.M.; Sedov, S.M.; Starkov, V.Ya.; Manzohos, V.N., Equilibrium reactions of dibromoethane, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1970, 13, 62-65. [all data]

Conn, Kistiakowsky, et al., 1938
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A., Heats of organic reactions. VII. Addition of halogens to olefins, J. Am. Chem. Soc., 1938, 60, 2764-2771. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]


Notes

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