Iridium trifluoride
Iridium trifluoride is a binary chemical compound of iridium and fluorine with the chemical formula .

Synthesis
Reduction of iridium hexafluoride by metallic iridium:

Decomposition of iridium tetrafluoride by heating at 430–450 °C:

Physical properties
Iridium(III) fluoride forms black hexagonal crystals. It is insoluble in water.

References 

Iridium compounds
Fluorides
Platinum group halides