Thiophene, 2-ethyl-

• Formula: C₆H₈S
• Molecular weight: 112.193
• IUPAC Standard InChI: InChI=1S/C6H8S/c1-2-6-4-3-5-7-6/h3-5H,2H2,1H3 Copy

  
• IUPAC Standard InChIKey: JCCCMAAJYSNBPR-UHFFFAOYSA-N Copy
• CAS Registry Number: 872-55-9
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: 2-Ethylthiophene; 2-Ethylthiophenol
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Gas phase ion energetics 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:
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

Appearance energy determinations

References

Go To: Top, 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.

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]

Levi and Nicholls, 1958
Levi, L.; Nicholls, R.V.V., Formation of Styrene by Pyrolysis of Aromatic Heterocyclic Aldehyde- Aliphatic Acid Anhydride Mixtures on Morden Bentonite, Ind. Eng. Chem., 1958, 50, 1005. [all data]

Wender, Greenfield, et al., 1951
Wender, I.; Greenfield, H.; Orchin, M., Chemistry of Oxo and Related Reactions IV. Reductions in the Aromatic Series, J. Am. Chem. Soc., 1951, 73, 2656. [all data]

Ribeiro da Silva and Santos, 2007
Ribeiro da Silva, M.A.V.; Santos, Ana Filipa L.O.M., Thermochemical study of 2- and 3-alkyl substituted thiophenes, J Therm Anal Calorim, 2007, 88, 1, 7-17, https://doi.org/10.1007/s10973-006-8326-3 . [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]

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]

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]

Khvostenko, 1962
Khvostenko, V.I., Ionisation of thiophen and some of its derivatives by electron impact, Zh. Fiz. Khim., 1962, 36, 384, In original 197. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  AE	Appearance energy
  Tboil	Boiling point
  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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