Palladium(II) fluoride

Palladium(II) fluoride
Identifiers
13444-96-7 YesY
3D model (Jmol) Interactive image
ChemSpider 75308 N
ECHA InfoCard 100.033.249
EC Number 236-598-8
PubChem 83470
Properties
F2Pd
Molar mass 144.42 g·mol−1
Appearance pale violet crystalline solid; hygroscopic[1]
Density 5.76 g cm−3[1]
Melting point 952 °C (1,746 °F; 1,225 K)[1]
reacts with water
Structure
tetragonal
octahedral
Related compounds
Other anions
Palladium(II) chloride
Palladium(II) bromide
Palladium(II) iodide
Other cations
Nickel(II) fluoride
Platinum(II) fluoride
Platinum(IV) fluoride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Palladium(II) fluoride, also known as palladium difluoride, is the chemical compound of palladium and fluorine with the formula PdF2.

Synthesis

PdF2 is prepared by refluxing palladium(II,IV) fluoride, PdII[PdIVF6], with selenium tetrafluoride, SeF4.

Pd[PdF6] + SeF4 → 2PdF2 + SeF6

Structure and paramagnetism

Like its lighter congener nickel(II) fluoride, PdF2 adopts a rutile-type crystal structure, containing octahedrally coordinated palladium, which has the electronic configuration t6
2g
e2
g
. This configuration causes PdF2 to be paramagnetic[2] due to two unpaired electrons, one in each eg-symmetry orbital of palladium.

See also

References

  1. 1 2 3 CRC Handbook, 89th edition
  2. Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 1152–1153. ISBN 0-08-037941-9.
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