Ethane, 1,2-dibromo-

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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

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Individual Reactions

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

By formula: C2H4Br2 = C2H4Br2

Quantity Value Units Method Reference Comment
Δr-13.05 ± 0.52kJ/molEqkIzmailov, Rozhnov, et al., 1974gas phase
Δr12.1 ± 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
Δr-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
Δr80. ± 2.kJ/molEqkLevanova, Rozhnov, et al., 1970gas phase

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.

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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