Palladium(II,IV) fluoride

Palladium(II,IV) fluoride
Palladium(II,IV) fluoride
Identifiers
CAS number 12021-58-8 YesY
Properties
Molecular formula F3Pd
Molar mass 163.42 g mol−1
Appearance black solid
Structure
Crystal structure rhombohedral
Coordination
geometry
octahedral
Hazards
EU Index Not listed
Related compounds
Other cations Nickel(III) fluoride
Related compounds Palladium(II) fluoride
Palladium(IV) fluoride
 YesY fluoride (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Palladium(II,IV) fluoride, also known as palladium trifluoride, is a chemical compound of palladium and fluorine. It has the empirical formula PdF3, but is better described as the mixed-valence compound palladium(II) hexafluoropalladate(IV), PdII[PdIVF6] and is often written as Pd[PdF6] or Pd2F6.[1][2]

Contents

Synthesis

Pd[PdF6] is the most stable product of the reaction of fluorine and metallic palladium.[1]

2Pd + 3F2 → Pd[PdF6]

Structure and properties

Pd[PdF6] is paramagnetic and both Pd(II) and Pd(IV) occupy octahedral sites in the crystal structure.[2][3] The PdII-F distance is 2.17 Å, whereas the PdIV-F distance is 1.90 Å.[4]

Palladium(II,IV)-fluoride-Pd-coordination-from-xtal-2001-CM-3D-balls.png

See also

  • Palladium fluorides

References

  1. ^ a b Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Oxford: Butterworth-Heinemann. pp. 1152–1153. ISBN 0080379419. 
  2. ^ a b Housecroft, C. E.; Sharpe, A. G. (2008). Inorganic Chemistry (3rd ed.). Prentice Hall. p. 788. ISBN 978-0131755536. 
  3. ^ Hepworth, M. A.; Jack, K. H.; Peacock, R. D.; Westland, G. J. (1957). "The crystal structures of the trifluorides of iron, cobalt, ruthenium, rhodium, palladium and iridium". Acta Cryst. 10: 63–69. doi:10.1107/S0365110X57000158. 
  4. ^ Tressaud, A.; Bartlett, N. (2001). "Preparation, Magnetic Properties, and Pressure-Induced Transitions of Some MIIMIVF6 (MII=Ni, Pd, Cu; MIV=Pd, Pt, Sn) Complex Fluorides". J. Solid State Chem. 162: 333–340. doi:10.1006/jssc.2001.9331. 

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