Thiophene, 2-bromo-
- Formula: C4H3BrS
- Molecular weight: 163.036
- IUPAC Standard InChIKey: TUCRZHGAIRVWTI-UHFFFAOYSA-N
- CAS Registry Number: 1003-09-4
- 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: 2-Bromothiophene; 2-Thienyl bromide; Thienyl bromide
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics 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 by: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°liquid | 219.7 | J/mol*K | N/A | Fujimori and Oguni, 1993 |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
144.0 | 298.15 | Fujimori and Oguni, 1993 | T = 4 to 300 K. |
Phase change 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:
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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 423.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 203.9 | K | N/A | Gonthier-Vassal, Szwarc, et al., 1992 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 204.30 | K | N/A | Fujimori and Oguni, 1993, 2 | Uncertainty assigned by TRC = 0.02 K; TRC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
27.9 | 348. | A,I | Stephenson and Malanowski, 1987 | Based on data from 333. to 373. K. See also Eon, Pommier, et al., 1971 and Dykyj, Svoboda, et al., 1999.; 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 |
---|---|---|---|---|---|
333.4 to 373.5 | 3.39919 | 1465.228 | 0.878 | Eon, Pommier, et al., 1971 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
7.9 | 203.9 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.0139 | 55.3 | crystaline, II | crystaline, I | Fujimori and Oguni, 1993 | DH |
7.903 | 205.30 | crystaline, I | liquid | Fujimori and Oguni, 1993 | DH |
6.290 | 196.2 | crystaline, III | liquid | Gonthier-Vassal and Szwarc, 1992 | DH |
6.500 | 200.3 | crystaline, II | liquid | Gonthier-Vassal and Szwarc, 1992 | DH |
7.580 | 203.9 | crystaline, I | liquid | Gonthier-Vassal and Szwarc, 1992 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.251 | 55.3 | crystaline, II | crystaline, I | Fujimori and Oguni, 1993 | DH |
38.43 | 205.30 | crystaline, I | liquid | Fujimori and Oguni, 1993 | DH |
32.1 | 196.2 | crystaline, III | liquid | Gonthier-Vassal and Szwarc, 1992 | DH |
32.5 | 200.3 | crystaline, II | liquid | Gonthier-Vassal and Szwarc, 1992 | DH |
37.2 | 203.9 | crystaline, I | liquid | Gonthier-Vassal and Szwarc, 1992 | DH |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.80 | CTS | Aloisi and Pignataro, 1973 | LLK |
8.664 ± 0.005 | PE | Rabalais, Werme, et al., 1972 | LLK |
8.664 | PE | Bergmark, Rabalais, et al., 1972 | LLK |
8.93 ± 0.05 | EI | Linda, Marino, et al., 1971 | LLK |
8.50 | PE | Baker, Betteridge, et al., 1970 | RDSH |
8.63 ± 0.01 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
8.60 | PE | Bozic, Humski, et al., 1977 | Vertical value; LLK |
8.82 ± 0.05 | PE | Fringuelli, Marino, et al., 1976 | Vertical value; LLK |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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.
Fujimori and Oguni, 1993
Fujimori, H.; Oguni, M.,
Construction of an adiabatic calorimeter at low temperatures and glass transition of crystalline 2-bromothiophene,
J. Phys. Chem. Solids, 1993, 54(2), 271-280. [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]
Gonthier-Vassal, Szwarc, et al., 1992
Gonthier-Vassal, A.; Szwarc, H.; Romain, F.,
DSC study of 2-bromothiophene: a compound with three melting points,
Thermochim. Acta, 1992, 202, 87. [all data]
Fujimori and Oguni, 1993, 2
Fujimori, H.; Oguni, M.,
Construction of an adiabatic calorimeter at low-temp and glass transition of crystalline 2-bromothiophene,
J. Phys. Chem. Solids, 1993, 54, 271. [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]
Eon, Pommier, et al., 1971
Eon, C.; Pommier, C.; Guiochon, G.,
Vapor pressures and second virial coefficients of some five-membered heterocyclic derivatives,
J. Chem. Eng. Data, 1971, 16, 4, 408-410, https://doi.org/10.1021/je60051a008
. [all data]
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [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]
Gonthier-Vassal and Szwarc, 1992
Gonthier-Vassal, A.; Szwarc, H.,
and Romain F., DSC study of 2-bromothiophene: a compound with three melting points,
Thermochim. Acta, 1992, 202, 87-96. [all data]
Aloisi and Pignataro, 1973
Aloisi, G.G.; Pignataro, S.,
Molecular complexes of substituted thiophens with σ and π acceptors,
J. Chem. Soc. Faraday Trans. 1, 1973, 69, 534. [all data]
Rabalais, Werme, et al., 1972
Rabalais, J.W.; Werme, L.O.; Bergmark, T.; Karlsson, L.; Siegbahn, K.,
The high resolution electron spectra of thiophene, 2-bromothiophene and 3-bromothiophene,
Int. J. Mass Spectrom. Ion Phys., 1972, 9, 185. [all data]
Bergmark, Rabalais, et al., 1972
Bergmark, T.; Rabalais, J.W.; Werme, L.O.; Karlsson, L.; Siegbahn, K.,
High-resolution electron spectra of methane, thiophene, 2-bromothiphene, and 3-bromothiophene
in Electron Spectroscopy, ed. D.A. Shirley (North-Holland Pub. Co., Amsterdam), 1972. [all data]
Linda, Marino, et al., 1971
Linda, P.; Marino, G.; Pignataro, S.,
A comparison of sensitivities to substituent effects of five- membered heteroaromatic rings in gas phase ionization,
J. Chem. Soc. B, 1971, 1585. [all data]
Baker, Betteridge, et al., 1970
Baker, A.D.; Betteridge, D.; Kemp, N.R.; Kirby, R.E.,
Application of photoelectron spectrometry to pesticide analysis. Photoelectron spectra of fivemembered heterocycles and related molecules,
Anal. Chem., 1970, 42, 1064. [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]
Bozic, Humski, et al., 1977
Bozic, Z.; Humski, K.; Cvitas, T.; Klasinc, L.,
Photoelectron spectra of bromo- and iodo- thiophens,
J. Chem. Soc. Perkin Trans. 2, 1977, 1413. [all data]
Fringuelli, Marino, et al., 1976
Fringuelli, F.; Marino, G.; Taticchi, A.; Distefano, G.; Colonna, F.P.; Pignataro, S.,
Photoelectron spectra of the α-substituted derivatives of furan, thiophen, selenophen, and tellurophen. A comparative study of the molecular orbital energies,
J. Chem. Soc. Perkin Trans. 2, 1976, 276. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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