2-Oxetanone, 3,3-dimethyl-

• Formula: C₅H₈O₂
• Molecular weight: 100.1158
• IUPAC Standard InChI: InChI=1S/C5H8O2/c1-5(2)3-7-4(5)6/h3H2,1-2H3 Copy

  
• IUPAC Standard InChIKey: ULKFLOVGORAZDI-UHFFFAOYSA-N Copy
• CAS Registry Number: 1955-45-9
• 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: α,α-Dimethyl-β-propiolactone; α,α-Dimethylpropiolactone; Pivalic acid lactone; Pivalolactone; Propanoic acid, 3-hydroxy-2,2-dimethyl-, β-lactone; 3,3-Dimethyl-β-propiolactone; 3,3-Dimethyl-2-oxetanone; NCI-C04126; Hydracrylic acid, 2,2-dimethyl-, β-lactone; Pivalic acid, hydroxy-, lactone
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• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • IR Spectrum
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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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

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 thermochemistry data, Phase change 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.

Hall, 1969
Hall, H.K., Jr., The nucleophile-initiated polymerization of α,α-disubstituted β-lactones, Macromolecules, 1969, 2, 488-496. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔvapH°	Enthalpy of vaporization at standard conditions

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