2,2'-Bithiophene

• Formula: C₈H₆S₂
• Molecular weight: 166.263
• IUPAC Standard InChI: InChI=1S/C8H6S2/c1-3-7(9-5-1)8-4-2-6-10-8/h1-6H Copy

  
• IUPAC Standard InChIKey: OHZAHWOAMVVGEL-UHFFFAOYSA-N Copy
• CAS Registry Number: 492-97-7
• 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.
• Species with the same structure:
  • a-Thienothiophene
• Other names: 2,2'-Bithienyl; 2,2'-Dithienyl; 2,2'-Dithiophene; Dithienyl
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
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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

Reduced pressure boiling point

Enthalpy of sublimation

Enthalpy of fusion

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.

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]

Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Wynberg and Logothetis, 1956
Wynberg, H.; Logothetis, A., Studies in the Synthesis of Long-chain Compounds, J. Am. Chem. Soc., 1956, 78, 1958. [all data]

Ribeiro da Silva, Santos, et al., 2009
Ribeiro da Silva, Manuel A.V.; Santos, Ana Filipa L.O.M.; Gomes, Jose R.B.; Roux, Maria Victoria; Temprado, Manuel; Jimenez, Pilar; Notario, Rafael, Thermochemistry of Bithiophenes and Thienyl Radicals. A Calorimetric and Computational Study, J. Phys. Chem. A, 2009, 113, 41, 11042-11050, https://doi.org/10.1021/jp905531c . [all data]

Temprado, Roux, et al., 2006
Temprado, Manuel; Roux, Maria Victoria; Jiménez, Pilar; Guzmán-Mejía, Ramón; Juaristi, Eusebio, Thermophysical properties of sulfur heterocycles: Thiane and thiophene derivatives, Thermochimica Acta, 2006, 441, 1, 20-26, https://doi.org/10.1016/j.tca.2005.11.024 . [all data]

Notes

Go To: Top, Phase change data, References

• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
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