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Ethyl bromide

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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
Deltafgas-63.6kJ/molCmKudchadker and Kudchadker, 1979 
Deltafgas-65.3 ± 6.3kJ/molChydAshcroft, Carson, et al., 1965 
Deltafgas-61.9 ± 1.0kJ/molChydFowell, Lacher, et al., 1965 
Deltafgas-64.6 ± 2.1kJ/molEqkLane, Linnett, et al., 1953 

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
Deltafliquid-95.5 ± 2.1kJ/molChydAshcroft, Carson, et al., 1965Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -96.2 ± 6.3 kJ/mol; ALS

Constant pressure heat capacity of liquid

Cp,liquid (J/mol*K) Temperature (K) Reference Comment
105.8298.15Shehatta, 1993DH
100.8298.Kurbatov, 1948T = -50 to 37°C; mean Cp, five temperatures.; 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - 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

Bromine anion + Ethyl bromide = (Bromine anion bullet Ethyl bromide)

By formula: Br- + C2H5Br = (Br- bullet C2H5Br)

Quantity Value Units Method Reference Comment
Deltar50.2 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Deltar48.53kJ/molTDAsDougherty, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar80.3J/mol*KHPMSDougherty, 1974gas phase; M
Quantity Value Units Method Reference Comment
Deltar24.7 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Deltar24.7kJ/molTDAsDougherty, 1974gas phase; B

Chlorine anion + Ethyl bromide = (Chlorine anion bullet Ethyl bromide)

By formula: Cl- + C2H5Br = (Cl- bullet C2H5Br)

Quantity Value Units Method Reference Comment
Deltar56.9 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Deltar29.0 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B

Ethyl bromide = Hydrogen bromide + Ethylene

By formula: C2H5Br = HBr + C2H4

Quantity Value Units Method Reference Comment
Deltar80.3 ± 2.1kJ/molEqkLane, Linnett, et al., 1953gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 79.9 kJ/mol; ALS

Hydrogen + Ethyl bromide = Hydrogen bromide + Ethane

By formula: H2 + C2H5Br = HBr + C2H6

Quantity Value Units Method Reference Comment
Deltar-59.0 ± 1.1kJ/molChydFowell, Lacher, et al., 1965gas phase; ALS

Hydrogen + 2Ethyl bromide = 2Ethane + Bromine

By formula: H2 + 2C2H5Br = 2C2H6 + Br2

Quantity Value Units Method Reference Comment
Deltar23. ± 13.kJ/molChydAshcroft, Carson, et al., 1965liquid phase; ALS

References

Go To: Top, Gas phase thermochemistry data, 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.

Kudchadker and Kudchadker, 1979
Kudchadker, S.A.; Kudchadker, A.P., Ideal gas thermodynamic properties of selected bromoethanes and iodoethane, J. Phys. Chem. Ref. Data, 1979, 8, 519-526. [all data]

Ashcroft, Carson, et al., 1965
Ashcroft, S.J.; Carson, A.S.; Carter, W.; Laye, P.G., Thermochemistry of reductions caused by lithium aluminium hydride. Part 3.- The C-halogen bond dissociation energies in ethyl iodine and ethyl bromide, Trans. Faraday Soc., 1965, 61, 225-229. [all data]

Fowell, Lacher, et al., 1965
Fowell, P.; Lacher, J.R.; Park, J.D., Reaction heats of organic compounds. Part 3.-Heats of hydrogenation of methyl bromide and ethyl bromide, Trans. Faraday Soc., 1965, 61, 1324-1327. [all data]

Lane, Linnett, et al., 1953
Lane, M.R.; Linnett, J.W.; Oswin, H.G., A study of the C2H4+HCl=C2H5Cl and C2H4+Hbr=C2H5Br equilibria, Proc. Roy. Soc. London A, 1953, 216, 361-374. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

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

Li, Ross, et al., 1996
Li, C.; Ross, P.; Szulejko, J.; McMahon, T.B., High-Pressure Mass Spectrometric Investigations of the Potential Energy Surfaces of Gas-Phase Sn2 Reactions., J. Am. Chem. Soc., 1996, 118, 39, 9360, https://doi.org/10.1021/ja960565o . [all data]

Dougherty, 1974
Dougherty, R.C., SN2 reactions in the gas phase. Alkyl group structural effects, Org. Mass Spectrom., 1974, 8, 85. [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

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References