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Acta Cryst. (2003). E59, i47-i49 [ doi:10.1107/S1600536803005178 ]
Abstract: KPrF4, potassium praseodymium tetrafluoride, is isotypic with ![[beta]](/logos/entities/beta_rmgif.gif)
-KCeF4 and KSmF4. The structure is composed of a three-dimensional framework of [PrF9] and [KF7] polyhedra whose corresponding coordination geometries might be described as a tricapped and a monocapped trigonal prism, respectively. The [KF7] polyhedra form buckled 2![[infinity]](/logos/entities/infin_rmgif.gif)
[KF1/1F2/2F4/4] layers parallel to (001), which are connected perpendicularly by the intermediate Pr atoms along [001].
Online 14 March 2003
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