Butane, 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

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

1-Butene + Bromine = Butane, 1,2-dibromo-

By formula: C4H8 + Br2 = C4H8Br2

Quantity Value Units Method Reference Comment
Δr-120.9kJ/molCmLister, 1941gas phase; Heat of bromination at 300 K
Δr-123.2 ± 0.84kJ/molCmConn, Kistiakowsky, et al., 1938gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -123.8 ± 0.84 kJ/mol; At 355 °K

Butane, 1,2-dibromo- = Butane, 1,3-dibromo-

By formula: C4H8Br2 = C4H8Br2

Quantity Value Units Method Reference Comment
Δr-6.0 ± 0.3kJ/molEqkRozhnov, Nesterova, et al., 1972liquid phase

Butane, 1,2-dibromo- = Butane, 2,3-dibromo-

By formula: C4H8Br2 = C4H8Br2

Quantity Value Units Method Reference Comment
Δr-8.3 ± 0.3kJ/molEqkNesterova, Rozhnov, et al., 1973liquid phase

Butane, 1,4-dibromo- = Butane, 1,2-dibromo-

By formula: C4H8Br2 = C4H8Br2

Quantity Value Units Method Reference Comment
Δr-1.8 ± 0.4kJ/molEqkRozhnov, Nesterova, et al., 1972liquid 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.

Lister, 1941
Lister, M.W., Heats of organic reactions. X. Heats of bromination of cyclic olefins, J. Am. Chem. Soc., 1941, 63, 143-149. [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]

Rozhnov, Nesterova, et al., 1972
Rozhnov, A.M.; Nesterova, T.N.; Kovaleva, T.V., Isomerization of dibromobutanes. I. Isomerization of 1,2-, 1,3-, and 1,4-dibromobutanes., Zh. Org. Khim., 1972, 8, 1560-1564. [all data]

Nesterova, Rozhnov, et al., 1973
Nesterova, T.N.; Rozhnov, A.M.; Kovaleva, T.V., Isomerisation equilibrium of 1,2-, 1,3-, and 2,3-dibromobutanes, Russ. J. Phys. Chem. (Engl. Transl.), 1973, 47, 755-756. [all data]


Notes

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