Propane, 1-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

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Individual Reactions

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

Bromine anion + Propane, 1-bromo- = (Bromine anion • Propane, 1-bromo-)

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

Quantity Value Units Method Reference Comment
Δr48.53kJ/molTDAsDougherty, 1974gas phase; B,M
Quantity Value Units Method Reference Comment
Δr82.8J/mol*KHPMSDougherty, 1974gas phase; M
Quantity Value Units Method Reference Comment
Δr23.8kJ/molTDAsDougherty, 1974gas phase; B

Hydrogen bromide + Cyclopropane = Propane, 1-bromo-

By formula: HBr + C3H6 = C3H7Br

Quantity Value Units Method Reference Comment
Δr-107.8 ± 1.3kJ/molCmLacher, Kianpour, et al., 1957gas phase; ALS
Δr-94.94 ± 0.65kJ/molCmLacher, Walden, et al., 1950gas phase; Heat of hydrobromination; ALS

Chlorine anion + Propane, 1-bromo- = (Chlorine anion • Propane, 1-bromo-)

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

Quantity Value Units Method Reference Comment
Δr59.4 ± 4.2kJ/molTDAsLi, Ross, et al., 1996gas phase; B
Quantity Value Units Method Reference Comment
Δr34.5 ± 0.84kJ/molTDAsLi, Ross, et al., 1996gas phase; B

Propane, 1-bromo- + Hydrogen = Hydrogen bromide + Propane

By formula: C3H7Br + H2 = HBr + C3H8

Quantity Value Units Method Reference Comment
Δr-56.78kJ/molChydDavies, Lacher, et al., 1965gas phase; ALS

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, References, Notes

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

Data evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Quantity Value Units Method Reference Comment
IE (evaluated)10.18 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
10.21ESTLuo and Pacey, 1992LL
10.18PEKimura, Katsumata, et al., 1981LLK
10.20PITraeger, 1980LLK
10.18PEKimura, Katsumata, et al., 1973LLK
10.18 ± 0.015PEHashmall and Heilbronner, 1970RDSH
10.49 ± 0.015PEHashmall and Heilbronner, 1970RDSH
10.18 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C3H5+11.86H2+BrPITraeger, 1980LLK
C3H7+10.55 ± 0.01BrPIPECORosenstock, Buff, et al., 1982LBLHLM
C3H7+10.46BrPITraeger, 1980LLK
C3H7+11.3 ± 0.2BrEITsuda and Hamill, 1964RDSH

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes

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

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]

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

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, 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]

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]

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]

Luo and Pacey, 1992
Luo, Y.-R.; Pacey, P.D., Effects of alkyl substitution on ionization energies of alkanes and haloalkanes and on heats of formation of their molecular cations. Part 2. Alkanes and chloro-, bromo- and iodoalkanes, Int. J. Mass Spectrom. Ion Processes, 1992, 112, 63. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Traeger, 1980
Traeger, J.C., Photoionization mass spectrometry of the propyl halides, Int. J. Mass Spectrom. Ion Phys., 1980, 32, 309. [all data]

Kimura, Katsumata, et al., 1973
Kimura, K.; Katsumata, S.; Achiba, Y.; Matsumoto, H.; Nagakura, S., Photoelectron spectra and orbital structures of higher alkyl chlorides, bromides, and iodides., Bull. Chem. Soc. Jpn., 1973, 46, 373. [all data]

Hashmall and Heilbronner, 1970
Hashmall, J.A.; Heilbronner, E., n-Ionization potentials of alkyl bromides, Angew. Chem. Intern. Ed., 1970, 9, 305. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Rosenstock, Buff, et al., 1982
Rosenstock, H.M.; Buff, R.; Ferreira, M.A.A.; Lias, S.G.; Parr, A.C.; Stockbauer, R.L.; Holmes, J.L., Fragmentation mechanism and energetics of some alkyl halide ions, J. Am. Chem. Soc., 1982, 104, 2337. [all data]

Tsuda and Hamill, 1964
Tsuda, S.; Hamill, W.H., Structure in ionization efficiency curves near threshold from alkanes and alkyl halides, J. Chem. Phys., 1964, 41, 2713. [all data]


Notes

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