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
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• Other names: 2,5-Dihydrofuran; 1-Oxa-3-cyclopentene; 3-Oxolene
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• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • IR Spectrum
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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 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

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Gas phase ion energetics data, 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.

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 ion energetics data, Mass spectrum (electron ionization), References

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