Hydroxy(Oxo)Phosphoniumolate

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Properties Simple | Detailed

Formula H3O3P
IUPAC Name phosphenic acid
Molecular Mass 81.996 g·mol−1
Heat of Formation -746.6 ± 16.7 kJ·mol−1
Dipole Moment 1.97 ± 1.08 D
Volume 68.1 Å 3
Surface Area 86.43 Å 2
HOMO Energy -11.01 ± 0.55 eV
LUMO Energy -0.77 ± eV
Point Group Symmetry Cs
Synonyms
  • 2po
  • [pho2(oh)](-)
  • hydridohydroxidodioxidophosphate(1-)
  • hydrogen phosphonate
  • hydrogenphosphonate
  • meta-phosphoric acid
  • metaphosphoric acid
  • metaphosphoric acid (hpo3)
  • phosphonate(1-)
  • phosphoric acid meta
  • x-phosphate-group
CAS Number(s)
  • 10343-62-1
  • 135306-83-1
InChIKey UEZVMMHDMIWARA-UHFFFAOYSA-N
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