Butane, 1-bromo-
- Formula: C4H9Br
- Molecular weight: 137.018
- IUPAC Standard InChIKey: MPPPKRYCTPRNTB-UHFFFAOYSA-N
- CAS Registry Number: 109-65-9
- 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-Butyl bromide; Butyl bromide; 1-Bromobutane; n-C4H9Br; UN 1126
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Condensed phase thermochemistry data
Go To: Top, References, Notes
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 |
---|---|---|---|---|---|
ΔfH°liquid | -35.4 | kcal/mol | Cm | Holm, 1973 | Grignard Rx; ALS |
ΔfH°liquid | -34.36 ± 0.31 | kcal/mol | Ccr | Bjellerup, 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -34.47 ± 0.31 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -649.26 ± 0.30 | kcal/mol | Ccr | Bjellerup, 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -649.17 ± 0.30 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 78.160 | cal/mol*K | N/A | Deese, 1931 | Extrapolation below 100 K, 42.84 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
38.77 | 298.15 | Shehatta, 1993 | DH |
36.09 | 298. | Kurbatov, 1948 | T = 13 to 100°C, mean Cp, two temperatures.; DH |
36.379 | 292.3 | Deese, 1931 | T = 94 to 293 K. Value is unsmoothed experimental datum.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Bjellerup, 1961
Bjellerup, L.,
Heats of combustion and formation of the 1-bromoalkanes from C4 through C8,
Acta Chem. Scand., 1961, 15, 231-241. [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]
Deese, 1931
Deese, R.F., Jr.,
Thermal energy studies. IV. Comparison of continuous and discontinuous methods of measuring heat capacities. Heat capacities of some alphatic bromides,
J. Am. Chem. Soc., 1931, 53, 3673-3683. [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]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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