Diketene

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Properties Simple | Detailed

Formula C4H4O2
IUPAC Name 4-methyleneoxetan-2-one
Molecular Mass 84.073 g·mol−1
Heat of Formation -163.6 ± 16.7 kJ·mol−1
Dipole Moment 3.49 ± 1.08 D
Volume 100.16 Å 3
Surface Area 116.23 Å 2
HOMO Energy -10.39 ± 0.55 eV
LUMO Energy -0.05 ± eV
Point Group Symmetry Cs
Synonyms
  • 2-oxetanone, 4-methylene-
  • 3-buteno-beta-lactone
  • 3-butenoic acid, 3-hydroxy-, .beta.-lactone
  • 3-butenoic acid, 3-hydroxy-, beta-lactone
  • 4-methylene-2-oxetanone
  • 4-methylideneoxetan-2-one
  • acetyl ketene
  • but-3-en-3-olide
  • diketene, inhibited [un2521] [poison]
  • ethenone, dimer
  • ethenone, dimer (van)
  • ketene dimer
  • ketene, dimer
  • vinylaceto-.beta.-lactone
  • vinylaceto-beta-lactone
CAS Number(s)
  • 2130-41-8
  • 674-82-8
  • 6842-10-0
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