Propane, 2-bromo-
- Formula: C3H7Br
- Molecular weight: 122.992
- IUPAC Standard InChIKey: NAMYKGVDVNBCFQ-UHFFFAOYSA-N
- CAS Registry Number: 75-26-3
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Isopropyl bromide; 2-Bromopropane; iso-C3H7Br; sec-Propyl bromide; UN 2344
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, 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 | -30.9 | kcal/mol | Cm | Holm, 1973 | Grignard Rx; ALS |
ΔfH°liquid | -30.85 ± 0.42 | kcal/mol | Ccr | Bjellerup, 1961 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -490.42 ± 0.42 | kcal/mol | Ccr | Bjellerup, 1961 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
32.41 | 298.15 | Shehatta, 1993 | DH |
30.31 | 209.6 | Kushner, Crowe, et al., 1950 | T = 117 to 209 K. Value is unsmoothed experimental datum.; DH |
31.60 | 298. | von Reis, 1881 | T = 287 to 344 K.; DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
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 |
---|---|---|---|---|---|
Tboil | 333. ± 1. | K | AVG | N/A | Average of 15 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 184.2 | K | N/A | Kushner, Crowe, et al., 1950, 2 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tfus | 184.55 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 184.05 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.5 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 532. | K | N/A | Majer and Svoboda, 1985 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 7.249 | kcal/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 7.31 | kcal/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 323. to 363. K.; AC |
ΔvapH° | 7.22 ± 0.02 | kcal/mol | C | Wadsö, Murto, et al., 1966 | AC |
ΔvapH° | 7.21 ± 0.02 | kcal/mol | C | Wadso, 1966 | ALS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.771 | 332.6 | N/A | Majer and Svoboda, 1985 | |
7.67 | 251. | A | Stephenson and Malanowski, 1987 | Based on data from 236. to 328. K.; AC |
7.19 | 314. | EB | Stephenson and Malanowski, 1987 | Based on data from 299. to 332. K. See also Svoboda, Majer, et al., 1977.; AC |
7.12 ± 0.02 | 305. | C | Svoboda, Majer, et al., 1977 | AC |
6.98 ± 0.02 | 318. | C | Svoboda, Majer, et al., 1977 | AC |
6.81 ± 0.02 | 330. | C | Svoboda, Majer, et al., 1977 | AC |
6.69 ± 0.02 | 338. | C | Svoboda, Majer, et al., 1977 | AC |
7.98 | 226. | N/A | Stull, 1947 | Based on data from 211. to 333. K.; AC |
6.79 | 331.6 | V | Mathews and Fehlandt, 1931 | ALS |
7.39 | 288. | N/A | Rex, 1906 | Based on data from 273. to 303. K. See also Boublik, Fried, et al., 1984.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 338. | 10.64 | 0.2812 | 532. | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
211.4 to 333. | 4.12382 | 1223.475 | -36.642 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
273. to 303. | 4.24955 | 1280.788 | -31.109 | Rex, 1906, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.561 | 184.1 | Kushner, Crowe, et al., 1950 | DH |
1.57 | 184.1 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.48 | 184.1 | Kushner, Crowe, et al., 1950 | DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes
Data compiled by: Coblentz Society, Inc.
- GAS; PERKIN-ELMER 21 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- SOLUTION (10% CCl4 FOR 3800-1340, 10% CS2 FOR 1340-400 CM-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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.,
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]
Shehatta, 1993
Shehatta, I.,
Heat capacity at constant pressure of some halogen compounds,
Thermochim. Acta, 1993, 213, 1-10. [all data]
Kushner, Crowe, et al., 1950
Kushner, L.M.; Crowe, R.W.; Smyth, C.P.,
The heat capacities and dielectric constants of some alkyl halides in the solid state,
J. Am. Chem. Soc., 1950, 72, 1091-1098. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
Kushner, Crowe, et al., 1950, 2
Kushner, L.M.; Crowe, R.W.; Smyth, C.P.,
The Heat Capacity and Dielectric Constants of Some Alkyl Halides in the Solid State,
J. Am. Chem. Soc., 1950, 72, 1091. [all data]
Timmermans, 1921
Timmermans, J.,
The Freezing Points of Organic Substances IV. New Exp. Determinations,
Bull. Soc. Chim. Belg., 1921, 30, 62. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Wadsö, Murto, et al., 1966
Wadsö, Ingemar; Murto, Maija-Leena; Bergson, Göran; Ehrenberg, L.; Brunvoll, J.; Bunnenberg, E.; Djerassi, Carl; Records, Ruth,
Heats of Vaporization for a Number of Organic Compounds at 25 degrees C.,
Acta Chem. Scand., 1966, 20, 544-552, https://doi.org/10.3891/acta.chem.scand.20-0544
. [all data]
Wadso, 1966
Wadso, I.,
Acta Chem. Scand., 1966, 20, 544. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Svoboda, Majer, et al., 1977
Svoboda, V.; Majer, V.; Veselý, F.; Pick, J.,
Heats of vaporization of alkyl bromides,
Collect. Czech. Chem. Commun., 1977, 42, 6, 1755-1760, https://doi.org/10.1135/cccc19771755
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Mathews and Fehlandt, 1931
Mathews, J.H.; Fehlandt, P.R.,
The heats of vaporization of some organic compounds,
J. Am. Chem. Soc., 1931, 53, 3212-32. [all data]
Rex, 1906
Rex, A.,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1906, 55, 355. [all data]
Boublik, Fried, et al., 1984
Boublik, T.; Fried, V.; Hala, E.,
The Vapour Pressures of Pure Substances: Selected Values of the Temperature Dependence of the Vapour Pressures of Some Pure Substances in the Normal and Low Pressure Region, 2nd ed., Elsevier, New York, 1984, 972. [all data]
Rex, 1906, 2
Rex, A.,
Uber die Loslichkeit der Halogenderivate der Kohlenwasserstoffe in Wasser,
Z. Phys. Chem. (Frankfurt/Main), 1906, 55, 355-370. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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