Molecular Oxygen

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Properties Simple | Detailed

Formula O2
IUPAC Name molecular oxygen
Molecular Mass 31.999 g·mol−1
Heat of Formation 107.4 ± 16.7 kJ·mol−1
Volume 31.37 Å 3
Surface Area 49.06 Å 2
HOMO Energy -9.17 ± 0.55 eV
LUMO Energy -1.22 ± eV
Point Group Symmetry D*h
Synonyms
  • (o2)(.-)
  • dioxidanidyl
  • dioxide(.1-)
  • dioxide(1-)
  • hyperoxid
  • hyperoxide
  • o2(-)
  • o2(.-)
  • o2-
  • o2.-
  • superoxide
  • superoxide anion
  • superoxide anion radical
  • superoxide radical
  • superoxide radical anion
  • superoxyde
CAS Number(s)
  • 11062-77-4
InChIKey MXDZWXWHPVATGF-UHFFFAOYSA-N
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Elements O