Propane, 2-bromo-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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 + Propene = Propane, 2-bromo-

By formula: HBr + C3H6 = C3H7Br

Quantity Value Units Method Reference Comment
Δr-85.48kJ/molCmLacher, Kianpour, et al., 1957gas phase; ALS
Δr-83.889kJ/molCmLacher, Lea, et al., 1950gas phase; Heat of hydrobromination at 367°K; ALS
Δr-84.10 ± 0.59kJ/molCmLacher, Walden, et al., 1950gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -84.4 ± 1.0 kJ/mol; Heat of hydrobromination; ALS

Bromine anion + Propane, 2-bromo- = (Bromine anion • Propane, 2-bromo-)

By formula: Br- + C3H7Br = (Br- • C3H7Br)

Quantity Value Units Method Reference Comment
Δr59.4 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Δr51.04kJ/molTDAsDougherty, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Δr83.3J/mol*KHPMSDougherty, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr26.4 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Δr26.4kJ/molTDAsDougherty, 1974gas phase; B

Propane, 1-bromo- = Propane, 2-bromo-

By formula: C3H7Br = C3H7Br

Quantity Value Units Method Reference Comment
Δr-12.0 ± 0.54kJ/molEqkAlenin, Rozhnov, et al., 1974liquid phase; Heat of isomerization; ALS
Δr-12.1 ± 1.6kJ/molCisoRozhnov and Andreevskii, 1964gas phase; At 480.8 K; ALS
Δr-9.2 ± 2.5kJ/molEqkMayo and Dolnick, 1944liquid phase; Heat of isomerization; ALS

Chlorine anion + Propane, 2-bromo- = (Chlorine anion • Propane, 2-bromo-)

By formula: Cl- + C3H7Br = (Cl- • C3H7Br)

Quantity Value Units Method Reference Comment
Δr63.6 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr35.6 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B

Hydrogen + Propane, 2-bromo- = Hydrogen bromide + Propane

By formula: H2 + C3H7Br = HBr + C3H8

Quantity Value Units Method Reference Comment
Δr-45.40 ± 0.92kJ/molChydDavies, Lacher, et al., 1965gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -45.06 kJ/mol; ALS

Lithium ion (1+) + Propane, 2-bromo- = (Lithium ion (1+) • Propane, 2-bromo-)

By formula: Li+ + C3H7Br = (Li+ • C3H7Br)

Quantity Value Units Method Reference Comment
Δr128.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M

Propane, 2-bromo- = Hydrogen bromide + Propene

By formula: C3H7Br = HBr + C3H6

Quantity Value Units Method Reference Comment
Δr81. ± 2.kJ/molEqkRozhnov and Andreevskii, 1962gas phase; ALS

References

Go To: Top, Reaction thermochemistry data, Notes

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

Lacher, Kianpour, et al., 1957
Lacher, J.R.; Kianpour, A.; Park, J.D., Reaction heats of organic halogen compounds. X. Vapor phase heats of hydrobromination of cyclopropane and propylene, J. Phys. Chem., 1957, 61, 1124-1125. [all data]

Lacher, Lea, et al., 1950
Lacher, J.R.; Lea, K.R.; Walden, C.H.; Olson, G.G.; Park, J.D., Reaction heats of organic fluorine compounds. III. The vapor phase heats of hydrobromination of some simple fluoroolefins, J. Am. Chem. Soc., 1950, 72, 3231-3234. [all data]

Lacher, Walden, et al., 1950
Lacher, J.R.; Walden, C.H.; Lea, K.R.; Park, J.D., Vapor phase heats of hydrobromination of cyclopropane and propylene, J. Am. Chem. Soc., 1950, 72, 331-333. [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]

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]

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]

Rozhnov and Andreevskii, 1964
Rozhnov, A.M.; Andreevskii, D.N., Isomerization of bromopropane, Neftekhimiya, 1964, 4, 111-118. [all data]

Mayo and Dolnick, 1944
Mayo, F.R.; Dolnick, A.A., Rearrangement of alkyl halides, J. Am. Chem. Soc., 1944, 66, 985-990. [all data]

Davies, Lacher, et al., 1965
Davies, J.; Lacher, J.R.; Park, J.D., Reaction heats of organic compounds. Part 4.-Heats of hydrogenation of n- and iso-Propyl bromides and chlorides, Trans. Faraday Soc., 1965, 61, 2413-2416. [all data]

Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L., Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases, J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050 . [all data]

Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P., Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n, J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013 . [all data]

Rozhnov and Andreevskii, 1962
Rozhnov, A.M.; Andreevskii, D.N., Equilibrium in the system propene, hydrogen bromide, bromopropane, Dokl. Akad. Nauk SSSR, 1962, 147, 388-391. [all data]


Notes

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