The crystal structures of the potassium oxyfluorides, K3SeO4F and K3PO3F2

Janet M.S. Skakle, James G. Fletcher*, Anthony R. West

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The new compound, K3SeO4F. has been synthesised by solid state reaction and its structure determined by analogy with -K,SO4F. It is tetragonal, space group I4/mcm. a=7.3262(3) c= 11.112( 1 ) A, and may be regarded structurally as a layered double salt, KF:K,SeO4. K3PO3F, has been shown to have the same structure, with PO,F tetrahedra replacing the SO4 groups. The oxygen and fluorine are disordered over the tetrahedral sites, in contrast to potassium difluorophosphate, KPO-,Fi, in which the anions are ordered.

Original languageEnglish
Pages (from-to)358-361
Number of pages4
JournalAnales de Quimica
Issue number6
Publication statusPublished - 1 Dec 1996


  • Crystal structure
  • Potassium fluorophosphate
  • Potassium fluoroselenate


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