Palladium(II,IV) fluoride
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Palladium(II,IV) fluoride, also known as palladium trifluoride, is a
chemical compound A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element ...
of
palladium Palladium is a chemical element with the symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1803 by the English chemist William Hyde Wollaston. He named it after the asteroid Pallas, which was itself na ...
and
fluorine Fluorine is a chemical element with the symbol F and atomic number 9. It is the lightest halogen and exists at standard conditions as a highly toxic, pale yellow diatomic gas. As the most electronegative reactive element, it is extremely reacti ...
. It has the empirical formula PdF3, but is better described as the
mixed-valence compound Mixed valence complexes contain an element which is present in more than one oxidation state. Well-known mixed valence compounds include the Creutz–Taube complex, Prussian blue, and molybdenum blue. Many solids are mixed-valency including in ...
palladium(II) hexafluoropalladate(IV), PdII dIVF6 and is often written as Pd dF6or Pd2F6.


Synthesis

Pd dF6is the most stable product of the reaction of fluorine and metallic palladium. :2 Pd + 3 F2 → Pd dF6


Structure and properties

Pd dF6is paramagnetic, and both Pd(II) and Pd(IV) occupy octahedral sites in the
crystal structure In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions or molecules in a crystal, crystalline material. Ordered structures occur from the intrinsic nature of the constituent particles to form symmetric pat ...
. The PdII-F distance is 2.17 Å, whereas the PdIV-F distance is 1.90 Å.


See also

*
Palladium fluoride Palladium fluoride is the name of a series of binary compounds of palladium and fluorine. These include: * Palladium(II) fluoride or palladium difluoride, PdF2 * Palladium(II,IV) fluoride or palladium trifluoride, PdF3. It is not palladium(III) f ...


References

{{Fluorides Palladium compounds Fluorides Platinum group halides Mixed valence compounds