Benzene, bromopentafluoro-
- Formula: C6BrF5
- Molecular weight: 246.960
- IUPAC Standard InChIKey: XEKTVXADUPBFOA-UHFFFAOYSA-N
- CAS Registry Number: 344-04-7
- 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: Bromopentafluorobenzene; Bromoperfluorobenzene; Pentafluorobromobenzene; Pentafluorophenyl bromide; 1-Bromo-2,3,4,5,6-pentafluorobenzene
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Gas phase thermochemistry data
Go To: Top, Phase change data, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -191.3 | kcal/mol | Semi | Stewart, 2004 | |
ΔfH°gas | -170.2 ± 1.3 | kcal/mol | Ccb | Krech, Price, et al., 1977 | Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -170.1 ± 4.0 kcal/mol; Uc=-2137.78 kJ/mol; ALS |
Phase change data
Go To: Top, Gas phase 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 compiled as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 410. | K | N/A | Farchan Laboratories, 1990 | BS |
Tboil | 410. | K | N/A | PCR Inc., 1990 | BS |
Tboil | 410.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 410. | K | N/A | American Tokyo Kasei, 1988 | BS |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 10.29 ± 0.050 | kcal/mol | V | Krech, Price, et al., 1977 | Uc=-2137.78 kJ/mol; ALS |
ΔvapH° | 10.3 ± 0.05 | kcal/mol | N/A | Krech, Price, et al., 1977 | Based on data from 283. to 348. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
9.13 | 415. | A | Stephenson and Malanowski, 1987 | Based on data from 400. to 522. K. See also Dykyj, 1972.; AC |
9.08 | 429. | EB | Woodman and Adicoff, 1969 | Based on data from 414. to 522. K.; AC |
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 |
---|---|---|---|---|---|
414.76 to 521.34 | 4.16834 | 1447.605 | -62.609 | Evans and Tiley, 1966 | Coefficents calculated by NIST from author's data. |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stewart, 2004
Stewart, J.J.P.,
Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation,
J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6
. [all data]
Krech, Price, et al., 1977
Krech, M.J.; Price, S.J.W.; Sapiano, H.J.,
Determination of ΔH12980(C6F5Br,g)from studies of the combustion of bromopentafluorobenzene in oxygen and calculation of D[C6F5-Br],
Can. J. Chem., 1977, 55, 4222-4226. [all data]
Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P.,
Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]
Farchan Laboratories, 1990
Farchan Laboratories,
Research Chemicals Catalog, Farchan Laboratories, Gainesville, FL, 1990, 91. [all data]
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
American Tokyo Kasei, 1988
American Tokyo Kasei,
TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [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]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Woodman and Adicoff, 1969
Woodman, Alan L.; Adicoff, Arnold,
Vapor pressure of methyl 2-cyanoacrylate,
J. Chem. Eng. Data, 1969, 14, 4, 479-480, https://doi.org/10.1021/je60043a019
. [all data]
Evans and Tiley, 1966
Evans, F.D.; Tiley,
Vapour Pressures and Critical Constants of Hexafluoro-, Pentafluoro-, Chloropentafluoro-, and Bromopentafluoro-benzene,
J. Chem. Soc. B:, 1966, 134-136, https://doi.org/10.1039/j29660000134
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Tboil Boiling point ΔfH°gas Enthalpy of formation of gas at standard conditions 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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