2,5-Dihydro-3-methyl-thiophene 1,1-dioxide

• Formula: C₅H₈O₂S
• Molecular weight: 132.181
• IUPAC Standard InChI: InChI=1S/C5H8O2S/c1-5-2-3-8(6,7)4-5/h2H,3-4H2,1H3 Copy

  
• IUPAC Standard InChIKey: FAYFWMOSHFCQPG-UHFFFAOYSA-N Copy
• CAS Registry Number: 1193-10-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 3-Methylsulfolene; Thiophene, 2,5-dihydro-3-methyl-, 1,1-dioxide; 1,3-Butadiene, 2-methyl-, sulfone; 3-Methyl-2,5-dihydrothiophene dioxide; 3-Methyl-2,5-dihydrothiophene 1,1-dioxide; 3-Methyl-3-sulfolene; 2,5-Dihydrothiophene, 1,1-dioxide, 3-methyl-; NSC 15090
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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 by: Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Mackle and McNally, 1969
Mackle, H.; McNally, D.V., Studies in the thermochemistry of sulphones. Part 9 - Thermochemistry of the butadiene and isoprene sulphones, Trans. Faraday Soc., 1969, 65, 1738-1741. [all data]

Kuhn, Klessinger, et al., 1987
Kuhn, H.J.; Klessinger, M.; Ruscic, B.; Klasinc, L., On the empirical correlation schemes for ionization energies in ring compounds, Int. J. Mass Spectrom. Ion Phys., 1987, 43, 147. [all data]

Notes

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

• Symbols used in this document:
  

  ΔsubH°

  Enthalpy of sublimation at standard conditions

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