Propane, 1-bromo-
- Formula: C3H7Br
- Molecular weight: 122.992
- IUPAC Standard InChIKey: CYNYIHKIEHGYOZ-UHFFFAOYSA-N
- CAS Registry Number: 106-94-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: n-Propyl bromide; Propyl bromide; 1-Bromopropane; n-C3H7Br; UN 2344
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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 |
---|---|---|---|---|---|
ΔfH°gas | -82.93 | kJ/mol | Chyd | Davies, Lacher, et al., 1965 | |
ΔfH°gas | -92.0 ± 1.7 | kJ/mol | Ccr | Bjellerup, 1961 |
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
By formula: C3H7Br = C3H7Br
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -12.0 ± 0.54 | kJ/mol | Eqk | Alenin, Rozhnov, et al., 1974 | liquid phase; Heat of isomerization; ALS |
ΔrH° | -12.1 ± 1.6 | kJ/mol | Ciso | Rozhnov and Andreevskii, 1964 | gas phase; At 480.8 K; ALS |
ΔrH° | -9.2 ± 2.5 | kJ/mol | Eqk | Mayo and Dolnick, 1944 | liquid phase; Heat of isomerization; ALS |
By formula: Br- + C3H7Br = (Br- • C3H7Br)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 48.53 | kJ/mol | TDAs | Dougherty, 1974 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 82.8 | J/mol*K | HPMS | Dougherty, 1974 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 23.8 | kJ/mol | TDAs | Dougherty, 1974 | gas phase; B |
By formula: HBr + C3H6 = C3H7Br
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -107.8 ± 1.3 | kJ/mol | Cm | Lacher, Kianpour, et al., 1957 | gas phase; ALS |
ΔrH° | -94.94 ± 0.65 | kJ/mol | Cm | Lacher, Walden, et al., 1950 | gas phase; Heat of hydrobromination; ALS |
By formula: Cl- + C3H7Br = (Cl- • C3H7Br)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 59.4 ± 4.2 | kJ/mol | TDAs | Li, Ross, et al., 1996 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 34.5 ± 0.84 | kJ/mol | TDAs | Li, Ross, et al., 1996 | gas phase; B |
By formula: C3H7Br + H2 = HBr + C3H8
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -56.78 | kJ/mol | Chyd | Davies, Lacher, et al., 1965 | gas phase; ALS |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, 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 ± 0.01 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.21 | EST | Luo and Pacey, 1992 | LL |
10.18 | PE | Kimura, Katsumata, et al., 1981 | LLK |
10.20 | PI | Traeger, 1980 | LLK |
10.18 | PE | Kimura, Katsumata, et al., 1973 | LLK |
10.18 ± 0.015 | PE | Hashmall and Heilbronner, 1970 | RDSH |
10.49 ± 0.015 | PE | Hashmall and Heilbronner, 1970 | RDSH |
10.18 ± 0.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C3H5+ | 11.86 | H2+Br | PI | Traeger, 1980 | LLK |
C3H7+ | 10.55 ± 0.01 | Br | PIPECO | Rosenstock, Buff, et al., 1982 | LBLHLM |
C3H7+ | 10.46 | Br | PI | Traeger, 1980 | LLK |
C3H7+ | 11.3 ± 0.2 | Br | EI | Tsuda and Hamill, 1964 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, 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.
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]
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]
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]
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
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy IE (evaluated) Recommended ionization energy ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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