P,P′-Diphenyl-ethyl-enediphosphinic acid dihydrate

Charles D. Swor, Bryan P. Nell, Lev N. Zakharov, David R. Tyler

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The title compound, C14H16O4P2·2H2O, possesses a crystallographic inversion center where two-P(=O)(OH)(C6H5) groups are joined together via two-CH2 groups. In the crystal, the acid molecules are linked by the water molecules via O-H⋯O hydrogen bonds, leading to the formation of a two-dimensional network lying parallel to (101).

Original languageEnglish (US)
Pages (from-to)o2456
JournalActa Crystallographica Section E: Structure Reports Online
Issue number8
StatePublished - Aug 2012
Externally publishedYes


  • R factor = 0.039
  • T = 173 K
  • data-to-parameter ratio = 16.9
  • mean σ(C-C) = 0.004 Å
  • single-crystal X-ray study
  • wR factor = 0.109


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