Palladium(II,IV) fluoride
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]
-fluoride-xtal-2001-without-Pd(II)-F-bonds-CM-3D-balls.png.webp) | |
| Names | |
|---|---|
| Other names
palladium(II) hexafluoropalladate(IV) | |
| Identifiers | |
| Properties | |
| F3Pd | |
| Molar mass | 163.42 g·mol−1 |
| Appearance | black solid |
| +1760.0·10−6 cm3/mol | |
| Structure | |
| rhombohedral | |
| octahedral | |
| Related compounds | |
Other cations |
Nickel(III) fluoride |
Related compounds |
Palladium(II) fluoride Palladium(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 | |
Synthesis
Pd[PdF6] is the most stable product of the reaction of fluorine and metallic palladium.[1]
- 2 Pd + 3 F2 → 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]
-fluoride-Pd-coordination-from-xtal-2001-CM-3D-balls.png.webp)
Coordination environments of PdII and PdIV, showing different distances to F atoms
See also
References
- Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. pp. 1152–1153. ISBN 978-0-08-037941-8.
- Housecroft, C. E.; Sharpe, A. G. (2008). Inorganic Chemistry (3rd ed.). Prentice Hall. p. 788. ISBN 978-0-13-175553-6.
- 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 Crystallogr. 10: 63–69. doi:10.1107/S0365110X57000158.
- 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 (2): 333–340. doi:10.1006/jssc.2001.9331.
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