Furan, 2,5-dihydro-

• Formula: C₄H₆O
• Molecular weight: 70.0898
• IUPAC Standard InChI: InChI=1S/C4H6O/c1-2-4-5-3-1/h1-2H,3-4H2 Copy

  
• IUPAC Standard InChIKey: ARGCQEVBJHPOGB-UHFFFAOYSA-N Copy
• CAS Registry Number: 1708-29-8
• 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: 2,5-Dihydrofuran; 1-Oxa-3-cyclopentene; 3-Oxolene
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• Information on this page:
  • Gas phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase thermochemistry 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 by: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₄H₆O⁺ (ion structure unspecified)

Ionization energy determinations

References

Go To: Top, Gas phase thermochemistry 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.

Klots T.D., 1994
Klots T.D., Vibrational assignment and analysis for 2,3-dihydrofuran and 2,5-dihydrofuran, Spectrochim. Acta, 1994, A50, 1725-1748. [all data]

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Dorofeeva O.V., 1992
Dorofeeva O.V., Ideal gas thermodynamic properties of oxygen heterocyclic compounds. Part 1. Three-membered, four-membered and five-membered rings, Thermochim. Acta, 1992, 194, 9-46. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Schmidt, Schweig, et al., 1976
Schmidt, H.; Schweig, A.; Anastassiou, A.G.; Wetzel, J.C., The dominant role of hyperconjugation in the 9-oxabicyclo[4.2.1]nona-2,4,7-triene series, Tetrahedron, 1976, 32, 2239. [all data]

Schmidt and Schweig, 1974
Schmidt, H.; Schweig, A., Notiz zur transanularen n/π-Wechselwirkung in 2,5-Dihydrofuran, Chem. Ber., 1974, 107, 725. [all data]

Bain, Bunzli, et al., 1973
Bain, A.D.; Bunzli, J.C.; Frost, D.C.; Weiler, L., Photoelectron spectra of cyclic ethers, J. Am. Chem. Soc., 1973, 95, 291. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  Cp,gas

  Constant pressure heat capacity of gas

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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