Butane, 2-bromo-

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Gas 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
Δfgas-120. ± 2.kJ/molCcrBjellerup, 1961 

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-156.kJ/molCmHolm, 1973Grignard Rx
Δfliquid-155.3 ± 1.3kJ/molCcrBjellerup, 1961 
Quantity Value Units Method Reference Comment
Δcliquid-2705. ± 1.kJ/molCcrBjellerup, 1961 

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 - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil364. ± 1.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus160.50KN/ADreisbach, 1955Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Δvap34.51kJ/molN/AMajer and Svoboda, 1985 
Δvap34.5 ± 0.1kJ/molCWadsö, Luoma, et al., 1968AC
Δvap34.47 ± 0.06kJ/molCWadso, 1968ALS
Δvap34.8 ± 0.1kJ/molCWadsö, Murto, et al., 1966AC
Δvap34.4 ± 0.08kJ/molCWadso, 1966ALS

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Method Reference Comment
30.77364.5N/AMajer and Svoboda, 1985 
33.9296.AStephenson and Malanowski, 1987Based on data from 281. to 403. K. See also Dykyj, 1971.; AC

Enthalpy of fusion

ΔfusH (kJ/mol) Temperature (K) Reference Comment
6.88160.3Acree, 1991AC

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:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References, Notes

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

Hydrogen bromide + 2-Butene, (Z)- = Butane, 2-bromo-

By formula: HBr + C4H8 = C4H9Br

Quantity Value Units Method Reference Comment
Δr-77.07 ± 0.50kJ/molCmLacher, Billings, et al., 1952gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -76.8 ± 6.6 kJ/mol; Heat of Hydrobromination at 373 K

Hydrogen bromide + 2-Butene, (E)- = Butane, 2-bromo-

By formula: HBr + C4H8 = C4H9Br

Quantity Value Units Method Reference Comment
Δr-72.22 ± 0.50kJ/molCmLacher, Billings, et al., 1952gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -72.6 ± 5.6 kJ/mol; Heat of hydrobromination at 373 K

Hydrogen bromide + 1-Butene = Butane, 2-bromo-

By formula: HBr + C4H8 = C4H9Br

Quantity Value Units Method Reference Comment
Δr-83.85 ± 0.50kJ/molCmLacher, Billings, et al., 1952gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -84.3 ± 7.5 kJ/mol; Heat of hydrobromination at 367 K

Butane, 1-bromo- = Butane, 2-bromo-

By formula: C4H9Br = C4H9Br

Quantity Value Units Method Reference Comment
Δr-10.kJ/molEqkAlenin, Rozhnov, et al., 1974liquid phase; Heat of isomerization

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director


Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW- 164
NIST MS number 227728

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Bjellerup, 1961
Bjellerup, L., On the accuracy of heat of combustion data obtained with a precision moving-bomb calorimetric method for organic bromine compounds, Acta Chem. Scand., 1961, 15, 121-140. [all data]

Holm, 1973
Holm, T., Thermochemistry of Grignard reagents. Enthalpies of formation of alkylmagnesium bromides and of alkyl bromides, J. Organomet. Chem., 1973, 56, 87-93. [all data]

Dreisbach, 1955
Dreisbach, R.R., Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C., 1955. [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]

Wadsö, Luoma, et al., 1968
Wadsö, Ingemar; Luoma, Sinikka; Olson, Thomas; Norin, Torbjörn, Heats of Vaporization of Organic Compounds. II. Chlorides, Bromides, and Iodides., Acta Chem. Scand., 1968, 22, 2438-2444, https://doi.org/10.3891/acta.chem.scand.22-2438 . [all data]

Wadso, 1968
Wadso, I., Heats of vaporization of organic compounds II. Chlorides, bromides, and iodides, Acta Chem. Scand., 1968, 22, 2438. [all data]

Wadsö, Murto, et al., 1966
Wadsö, Ingemar; Murto, Maija-Leena; Bergson, Göran; Ehrenberg, L.; Brunvoll, J.; Bunnenberg, E.; Djerassi, Carl; Records, Ruth, Heats of Vaporization for a Number of Organic Compounds at 25 degrees C., Acta Chem. Scand., 1966, 20, 544-552, https://doi.org/10.3891/acta.chem.scand.20-0544 . [all data]

Wadso, 1966
Wadso, I., Acta Chem. Scand., 1966, 20, 544. [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]

Dykyj, 1971
Dykyj, J., Petrochemia, 1971, 11, 2, 27. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Lacher, Billings, et al., 1952
Lacher, J.R.; Billings, T.J.; Campion, D.E., Vapor phase heats of hydrobromination of the isomeric butenes, J. Am. Chem. Soc., 1952, 74, 5291-52. [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]

Alenin, Rozhnov, et al., 1974
Alenin, V.I.; Rozhnov, A.M.; Nesterova, T.N.; Strizhkov, V.N., Equilibrium in the isomerisation of liquid C3-C4 monobromoalkanes, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 1702. [all data]


Notes

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