1. Synthesis, structure, properties

2. References

3. Further reading

4. External links

Rhodium hexafluoride, also rhodium(VI) fluoride, (RhF₆) is the inorganic compound of rhodium and fluorine. A black volatile solid,^[1] it is a highly reactive material, and a rare example of a rhodium(VI) compound. It is one of seventeen known binary hexafluoride.

Synthesis, structure, properties

Rhodium hexafluoride is prepared by reaction of rhodium metal with an excess of elemental fluorine:^[5]

Rh + 3 F₂ → RhF₆

The RhF₆ molecule has octahedral molecular geometry. Consistent with its d³ configuration, the six Rh–F bond lengths are equivalent, being 1.824 Å.^[2] It crystallises in an orthorhombic space group Pnma with lattice parameters of a = 9.323 Å, b = 8.474 Å, and c = 4.910 Å.

Like some other metal fluorides, RhF₆ is highly oxidising. It attacks even glass even in the absence of water.^[5] It can even react with elemental oxygen.^[1]

References

Further reading

• Gmelins Handbuch der anorganischen Chemie, System Nr. 63, Rhodium, Part B1, pp. 266–268.

External links

• Rhodium hexafluoride at webelements.com.

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