Methane, tribromo-
- Formula: CHBr3
- Molecular weight: 252.731
- IUPAC Standard InChIKey: DIKBFYAXUHHXCS-UHFFFAOYSA-N
- CAS Registry Number: 75-25-2
- 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. - Isotopologues:
- Other names: Bromoform; Methenyl tribromide; Tribromomethane; CHBr3; Bromoforme; Bromoformio; NCI-C55130; Tribrommethaan; Tribrommethan; Tribromometan; Rcra waste number U225; UN 2515; NSC 8019
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 422. ± 2. | K | AVG | N/A | Average of 13 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 279. ± 10. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 281.84 | K | N/A | Golovanova and Kolesov, 1984 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 46.06 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 46.05 ± 0.10 | kJ/mol | C | Laynez and Wadso, 1972 | ALS |
ΔvapH° | 46.1 ± 0.1 | kJ/mol | C | Laynez, Wadsö, et al., 1972 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
39.66 | 422.3 | N/A | Majer and Svoboda, 1985 | |
42.3 | 335. | EB | Boublík and Aim, 1972 | Based on data from 320. to 412. K. See also Kudchadker, Kudchadker, et al., 1979.; AC |
44.0 | 318. | N/A | Kireev and Sitnikov, 1941 | Based on data from 303. to 373. K. See also Boublik, Fried, et al., 1984.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
303. to 374.0 | 3.91541 | 1363.237 | -73.148 | Simnikov, 1941 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.046 | 281.84 | Golovanova and Kolesov, 1984, 2 | DH |
11.09 | 281.5 | Kafarov, Dorokhov, et al., 1987 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
39.2 | 281.84 | Golovanova and Kolesov, 1984, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Golovanova and Kolesov, 1984
Golovanova, Y.G.; Kolesov, V.P.,
Enthalpies of melting, melting temperatures, and cryoscopic constants of some haloorganic compounds,
Vestn. Mosk. Univ., Ser. 2: Khim., 1984, 25, 244. [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]
Laynez and Wadso, 1972
Laynez, J.; Wadso, I.,
Enthalpies of vaporization of organic compounds. IX. Some halogen substituted hydrocarbons and esters,
Acta Chem. Scand., 1972, 26, 3148. [all data]
Laynez, Wadsö, et al., 1972
Laynez, José; Wadsö, Ingemar; Haug, Arne; Songstad, J.; Pilotti, Åke,
Enthalpies of Vaporization of Organic Compounds. IX. Some Halogen Substituted Hydrocarbons and Esters.,
Acta Chem. Scand., 1972, 26, 3148-3152, https://doi.org/10.3891/acta.chem.scand.26-3148
. [all data]
Boublík and Aim, 1972
Boublík, T.; Aim, K.,
Heats of vaporization of simple non-spherical molecule compounds,
Collect. Czech. Chem. Commun., 1972, 37, 11, 3513-3521, https://doi.org/10.1135/cccc19723513
. [all data]
Kudchadker, Kudchadker, et al., 1979
Kudchadker, A.P.; Kudchadker, S.A.; Shukla, R.P.; Patnaik, P.R.,
Vapor pressures and boiling points of selected halomethanes,
J. Phys. Chem. Ref. Data, 1979, 8, 2, 499, https://doi.org/10.1063/1.555600
. [all data]
Kireev and Sitnikov, 1941
Kireev, V.A.; Sitnikov, I.P.,
Russ. J. Appl. Chem., 1941, 14, 483. [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]
Simnikov, 1941
Simnikov, I.P.,
Increase of Enthalpy During Formation of Azeotropic Mixtures,
Zh. Obshch. Khim., 1941, 14, 483-492. [all data]
Golovanova and Kolesov, 1984, 2
Golovanova, Yu.G.; Kolesov, V.P.,
Enthalpies of melting, melting temperatures, and cryoscopic constants of some haloorganic compounds, Vestn. Mosk Univ.,
Ser. 2: Khim., 1984, 25(3), 244-248. [all data]
Kafarov, Dorokhov, et al., 1987
Kafarov, V.V.; Dorokhov, I.N.; Vetokhin, V.N.; Volkov, L.P.,
Dokl. Phys. Chem., 1987, 298, 77. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature 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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