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 31.36 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)(..)
  • (o2)(2.)
  • [oo]
  • aquanal-plus oxygen (o2) 1-12 mg/l
  • d00003
  • dioxidanediyl
  • dioxygen
  • dioxygen(2.) (triplet)
  • dioxygene
  • dioxygenyl ion
  • disauerstoff
  • hyperoxia
  • liquid oxygen
  • lox
  • o(2)
  • o2
  • o2(2.)
  • oxigeno [spanish]
  • oxy
  • oxygen
  • oxygen (8ci,9ci)
  • oxygen (jp15/usp)
  • oxygen (liquid)
  • oxygen molecule
  • oxygen, compressed [un1072] [nonflammable gas]
  • oxygen, compressed [un1072] [nonflammable gas]
  • oxygen, liquified
  • oxygen, refrigerated liquid (cryogenic liquid) [un1073] [nonflammable gas]
  • oxygen, refrigerated liquid (cryogenic liquid) [un1073] [nonflammable gas]
  • oxygen-16
  • oxygen-molecule
  • oxygenium
  • oxygenium medicinale
  • pure oxygen
  • sauerstoff
  • triplet dioxygen
  • triplet molecular oxygen
CAS Number(s)
  • 1338-93-8
  • 14797-70-7
  • 80217-98-7
  • 80937-33-3
  • 7782-44-7
  • 12185-07-8
  • 58238-79-2
InChIKey MYMOFIZGZYHOMD-UHFFFAOYSA-N
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Elements O