1,2-Dibromopentane

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

Quantity Value Units Method Reference Comment
Δfliquid-39.38kcal/molEqkRozhnov, Alenin, et al., 1974 

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:
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δvap12.kcal/molN/APisarev, Rozhnov, et al., 1975Based on data from 350. to 450. K. See also Basarová and Svoboda, 1991.; AC
Δvap11.8 ± 0.2kcal/molEBPisarev, Rozhnov, et al., 1975AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
11.1363.AStephenson and Malanowski, 1987Based on data from 348. to 465. K.; AC
11.7307.AStephenson and Malanowski, 1987Based on data from 292. to 448. K. See also Stull, 1947.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
292.9 to 448.4.633431875.567-43.328Stull, 1947Coefficents calculated by NIST from author's data.

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

1,2-Dibromopentane = Pentane, 1,3-dibromo-

By formula: C5H10Br2 = C5H10Br2

Quantity Value Units Method Reference Comment
Δr-1.4 ± 0.1kcal/molEqkRozhnov, Nesterova, et al., 1974liquid phase; Heat of isomerization

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.

Rozhnov, Alenin, et al., 1974
Rozhnov, A.M.; Alenin, V.I.; Nesterova, T.N., Equilibrium in the isomerisation of dibromoalkanes. IV. Isomerisation of dibromohexanes and heats of formation of certain C5-C10 dibromoalkanes, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 1701-1702. [all data]

Pisarev, Rozhnov, et al., 1975
Pisarev, V.V.; Rozhnov, A.M.; Varushchenko, R.M.; Sarkisov, A.G., Russ. J. Phys. Chem., 1975, 49, 1450. [all data]

Basarová and Svoboda, 1991
Basarová, Pavlína; Svoboda, Václav, Calculation of heats of vaporization of halogenated hydrocarbons from saturated vapour pressure data, Fluid Phase Equilibria, 1991, 68, 13-34, https://doi.org/10.1016/0378-3812(91)85008-I . [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]

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]

Rozhnov, Nesterova, et al., 1974
Rozhnov, A.M.; Nesterova, T.N.; Alenin, V.I.; Uskova, L.A., Equilibria in the isomerisation of dibromoalkanes. I. Isomerisation of 1,2-, 1,3-, 1,4-, and 1,5-dibromopentanes, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 1268, In original 2136. [all data]


Notes

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