Thiophene
- Formula: C4H4S
- Molecular weight: 84.140
- IUPAC Standard InChIKey: YTPLMLYBLZKORZ-UHFFFAOYSA-N
- CAS Registry Number: 110-02-1
- 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: Thiacyclopentadiene; CP 34; Furan, thio-; Huile HSO; Huile H50; Thiaphene; Thiofuram; Thiofuran; Thiofurfuran; Thiole; Thiophen; Thiotetrole; Divinylene sulfide; USAF EK-1860; Thiofen; UN 2414; Hopkin's lactic acid reagent; NSC 405073
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Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 357.3 ± 0.6 | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 234.93 | K | N/A | Goates, Ott, et al., 1973 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tfus | 234.94 | K | N/A | Timmermans and Hennaut-Roland, 1959 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 233.15 | K | N/A | Timmermans and Mattaar, 1921 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 235.02 | K | N/A | Figuiere, Szwarc, et al., 1985 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Ttriple | 234.900 | K | N/A | Waddington, Knowlton, et al., 1949 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.08 K; TRC |
Ttriple | 234.95 | K | N/A | Waddington, Knowlton, et al., 1949 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.06 K; TRC |
Ttriple | 233.7 | K | N/A | Jacobs and Parks, 1934 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 579.4 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 579.4 | K | N/A | Cheng, McCoubrey, et al., 1962 | Uncertainty assigned by TRC = 0.3 K; Visual (5-cm 2-mm bore tubes) in nitrate-nitrite bath, TE or TH cal. vs NPL thermometer J.C.McCoubrey, A.R.Ubbelohde Trans. Faraday Soc. 1960,56,114; TRC |
Tc | 580. | K | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 57.00 | bar | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 0.6894 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.220 | l/mol | N/A | Kobe, Ravicz, et al., 1956 | Uncertainty assigned by TRC = 0.005 l/mol; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 34.79 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 34.6 | kJ/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 34.7 ± 0.03 | kJ/mol | V | Hubbard, Scott, et al., 1955 | see Waddington, Knowlton, et al., 1949, 2; ALS |
ΔvapH° | 35.4 | kJ/mol | N/A | Hubbard, Scott, et al., 1955 | DRB |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
31.48 | 357.3 | N/A | Majer and Svoboda, 1985 | |
35.8 | 282. | N/A | Dykyj, Svoboda, et al., 1999 | Based on data from 267. to 381. K.; AC |
34.8 | 348. | I | Eon, Pommier, et al., 1971 | Based on data from 333. to 373. K.; AC |
34.1 | 315. | EB | White, Barnard--Smith, et al., 1952 | Based on data from 300. to 366. K.; AC |
33.7 | 326. | N/A | Waddington, Knowlton, et al., 1949, 2 | Based on data from 311. to 393. K.; AC |
33.6 ± 0.1 | 319. | C | Waddington, Knowlton, et al., 1949, 2 | AC |
32.7 ± 0.1 | 336. | C | Waddington, Knowlton, et al., 1949, 2 | AC |
31.5 ± 0.1 | 357. | C | Waddington, Knowlton, et al., 1949, 2 | AC |
32.6 | 353. | N/A | Fawcett and Rasmussen, 1945 | Based on data from 344. to 363. K.; AC |
35. | 270. | N/A | Milazzo, 1944 | Based on data from 228. to 289. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
319. to 357. | 49.56 | 0.288 | 579.4 | Majer and Svoboda, 1985 |
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 | 5.06716 | 1790.319 | -2.805 | Eon, Pommier, et al., 1971 | Coefficents calculated by NIST from author's data. |
312.21 to 392.94 | 4.07358 | 1239.578 | -52.585 | Waddington, Knowlton, et al., 1949, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
46.8 | 213. | Stephenson and Malanowski, 1987 | Based on data from 195. to 228. K. See also Milazzo, 1956.; AC |
49. | 203. | Milazzo, 1944 | Based on data from 192. to 213. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.97 | 235.2 | Domalski and Hearing, 1996 | See also Figuiere, Szwarc, et al., 1985, 2.; AC |
Temperature of phase transition
Ttrs (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|
90.76 | crystaline, V' | crystaline, IV' | Figuiere, Szwarc, et al., 1984 | Metastable transition.; DH |
139.2 | crystaline, IV' | crystaline, III' | Figuiere, Szwarc, et al., 1984 | Metastable transition.; DH |
112.35 | crystaline, V | crystaline, IV | Figuiere, Szwarc, et al., 1984 | DH |
138.5 | crystaline, IV | crystaline, III | Figuiere, Szwarc, et al., 1984 | DH |
170.70 | crystaline, III | crystaline, II | Figuiere, Szwarc, et al., 1984 | DH |
175.03 | crystaline, II | crystaline, I | Figuiere, Szwarc, et al., 1984 | DH |
235.03 | crystaline, I | liquid | Figuiere, Szwarc, et al., 1984 | DH |
111.3 | crystaline, V | crystaline, IV | Andre, Dworkin, et al., 1982 | DH |
136.8 | crystaline, IV | crystaline, III | Andre, Dworkin, et al., 1982 | DH |
170.5 | crystaline, III | crystaline, II | Andre, Dworkin, et al., 1982 | DH |
174.5 | crystaline, II | crystaline, I | Andre, Dworkin, et al., 1982 | DH |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.428 | 44. to 170. | crystaline, V | crystaline, III | Figuiere, Szwarc, et al., 1985, 2 | DH |
0.8097 | 170.70 | crystaline, III | crystaline, II | Figuiere, Szwarc, et al., 1985, 2 | DH |
1.836 | 37. to 216. | crystaline, II' | crystaline, I | Figuiere, Szwarc, et al., 1985, 2 | DH |
5.040 | 235.02 | crystaline, I | liquid | Figuiere, Szwarc, et al., 1985, 2 | DH |
0.6376 | 171.6 | crystaline, II | crystaline, I | Waddington, Knowlton, et al., 1949, 2 | Anomalous heat capacity 100 to 150 K. Apparently two second order transitions at about 112, 138 K, with small energies involved.; DH |
5.0861 | 234.95 | crystaline, I | liquid | Waddington, Knowlton, et al., 1949, 2 | DH |
1.209 | 171.1 | crystaline, II | crystaline, I | Jacobs and Parks, 1934, 2 | DH |
4.966 | 233.7 | crystaline, I | liquid | Jacobs and Parks, 1934, 2 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
4.0 | 44. to 170. | crystaline, V | crystaline, III | Figuiere, Szwarc, et al., 1985, 2 | DH |
4.74 | 170.70 | crystaline, III | crystaline, II | Figuiere, Szwarc, et al., 1985, 2 | DH |
15.0 | 37. to 216. | crystaline, II' | crystaline, I | Figuiere, Szwarc, et al., 1985, 2 | DH |
21.43 | 235.02 | crystaline, I | liquid | Figuiere, Szwarc, et al., 1985, 2 | DH |
3.72 | 171.6 | crystaline, II | crystaline, I | Waddington, Knowlton, et al., 1949, 2 | Anomalous; DH |
21.65 | 234.95 | crystaline, I | liquid | Waddington, Knowlton, et al., 1949, 2 | DH |
7.1 | 171.1 | crystaline, II | crystaline, I | Jacobs and Parks, 1934, 2 | DH |
21.3 | 233.7 | crystaline, I | liquid | Jacobs and Parks, 1934, 2 | DH |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Mass spectrum (electron ionization)
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291513 |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Goates, Ott, et al., 1973
Goates, J.R.; Ott, J.B.; Reeder, J.,
Solid + liquid phae equilibria and solid compound formation in hexafluorobenzene + benzene, + pyridine, + furan, and + thiophen,
J. Chem. Thermodyn., 1973, 5, 135. [all data]
Timmermans and Hennaut-Roland, 1959
Timmermans, J.; Hennaut-Roland, M.,
Work of the International Bureau of Physico-Chemical Properties physical constants of twenty organic compounds,
J. Chim. Phys. Phys.-Chim. Biol., 1959, 56, 984-1023. [all data]
Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F.,
Freezing points of orgainic substances VI. New experimental determinations.,
Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]
Figuiere, Szwarc, et al., 1985
Figuiere, P.; Szwarc, H.; Oguni, M.; Suga, H.,
Calorimetric study of thiophene from 13 to 300 K. Emergence of two glassy crystalline states,
J. Chem. Thermodyn., 1985, 17, 10, 949, https://doi.org/10.1016/0021-9614(85)90008-4
. [all data]
Waddington, Knowlton, et al., 1949
Waddington, G.; Knowlton, J.W.; Scott, D.W.; Oliver, G.D.; Todd, S.S.; Hubbard, W.N.; Smith, J.C.; Huffman, H.M.,
Thermodynamic Properties of Thiophene,
J. Am. Chem. Soc., 1949, 71, 797. [all data]
Jacobs and Parks, 1934
Jacobs, C.J.; Parks, G.S.,
Thermal data on organic compounds. XIV. Some heat capacity, entropy and free energy data for cyclic substances,
J. Am. Chem. Soc., 1934, 56, 1513-17. [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]
Cheng, McCoubrey, et al., 1962
Cheng, D.C.H.; McCoubrey, J.C.; Phillips, D.G.,
Critical Temperatures of Some Organic Cyclic Compounds,
Trans. Faraday Soc., 1962, 58, 224. [all data]
Kobe, Ravicz, et al., 1956
Kobe, K.A.; Ravicz, A.E.; Vohra, S.P.,
Critical Properties and Vapor Pressures of Some Ethers and Heterocyclic Compounds,
J. Chem. Eng. Data, 1956, 1, 50. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Hubbard, Scott, et al., 1955
Hubbard, W.N.; Scott, D.W.; Frow, F.R.; Waddington, G.,
Thiophene: Heat of combustion and chemical thermodynamic properties,
J. Am. Chem. Soc., 1955, 77, 5855-58. [all data]
Waddington, Knowlton, et al., 1949, 2
Waddington, G.; Knowlton, J.W.; Scott, D.W.; Oliver, G.D.; Todd, S.S.; Hubbard, W.N.; Smith, J.C.; Huffman, H.M.,
Thermodynamic propertie of thiophene,
J. Am. Chem. Soc., 1949, 71, 797-808. [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]
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]
White, Barnard--Smith, et al., 1952
White, P.T.; Barnard--Smith, D.G.; Fidler, F.A.,
Vapor Pressure--Temperature Relationships of Sulfur Compounds Related to Petroleum,
Ind. Eng. Chem., 1952, 44, 6, 1430-1438, https://doi.org/10.1021/ie50510a064
. [all data]
Fawcett and Rasmussen, 1945
Fawcett, Frank S.; Rasmussen, Herbert E.,
Physical Properties of Thiophene 1,
J. Am. Chem. Soc., 1945, 67, 10, 1705-1709, https://doi.org/10.1021/ja01226a026
. [all data]
Milazzo, 1944
Milazzo, G.,
Gazz. Chim. Ital., 1944, 74, 58. [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]
Milazzo, 1956
Milazzo, G.,
Ann. Chim. (Rome), 1956, 46, 1105. [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]
Figuiere, Szwarc, et al., 1985, 2
Figuiere, P.; Szwarc, H.; Oguni, M.; Suga, H.,
Calorimetric study of thiophene from 13 to 300 K. Emergence of two glassy crystalline states,
J. Chem. Thermodynam., 1985, 17, 949-966. [all data]
Figuiere, Szwarc, et al., 1984
Figuiere, P.; Szwarc, H.; Oguni, M.; Suga, H.,
Crystalline thiophene - calorimetric evidence for a glassy crystalline state in both phase sequences, J. Phys.,
Lett., 1984, 45(24), L1167-L1173. [all data]
Andre, Dworkin, et al., 1982
Andre, D.; Dworkin, A.; Figuiere, P.; Fuchs, A.H.; Szwarc, H.,
Heat capacity of stable and metastable phases of crystalline thiophene, C. R. Seances Acad. Sci.,
Ser. 2, 1982, 295, 145-147. [all data]
Jacobs and Parks, 1934, 2
Jacobs, C.J.; Parks, G.S.,
Thermal data on organic compounds. XIV. Some heat capacity, entropy and free energy data for cyclic substances,
J. Am. Chem. Soc., 1934, 56, 1513-1517. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Ttrs Temperature of phase transition Vc Critical volume ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation 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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