The crystal structures of the potassium oxyfluorides, K3SeO4F and K3PO3F2

Janet M.S. Skakle; James G. Fletcher; Anthony R. West

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

Physics

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	358-361
Number of pages	4
Journal	Anales de Quimica
Volume	92
Issue number	6
Publication status	Published - 1 Dec 1996

Keywords

Crystal structure
Potassium fluorophosphate
Potassium fluoroselenate

Cite this

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title = "The crystal structures of the potassium oxyfluorides, K3SeO4F and K3PO3F2",

abstract = "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.",

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AU - Skakle, Janet M.S.

AU - Fletcher, James G.

AU - West, Anthony R.

PY - 1996/12/1

Y1 - 1996/12/1

N2 - 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.

AB - 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.

KW - Crystal structure

KW - Potassium fluorophosphate

KW - Potassium fluoroselenate

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ER -

The crystal structures of the potassium oxyfluorides, K3SeO4F and K3PO3F2

Abstract

Keywords

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