Diphosphonic Acid

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Properties Simple | Detailed

Formula H4O5P2
IUPAC Name hydroxy-[hydroxy(oxo)phosphaniumyl]oxy-oxo-phosphonium
Molecular Mass 145.976 g·mol−1
Heat of Formation -1442.3 ± 16.7 kJ·mol−1
Dipole Moment 2.76 ± 1.08 D
Volume 118.72 Å 3
Surface Area 137.55 Å 2
HOMO Energy -9.17 ± 0.55 eV
LUMO Energy 1.98 ± eV
Point Group Symmetry C1
Synonyms
  • [o2p(h)op(h)(o)2](2-)
  • diphosphonate
  • diphosphonate(2-)
  • mu-oxido-bis(hydridodioxidophosphate)(2-)
  • p2h2o5(2-)
  • x-pyrophosphate-group
InChIKey XQRLCLUYWUNEEH-UHFFFAOYSA-N
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