Iridium(IV) oxide
Compounds
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+oxide&tbnh=75&tbnw=115&usg=AI4_-kTnxNvGCAEOYhsTogkzh_0VtQeAYg&vet=1&docid=jhBulWABMWqw7M&sa=X&ved=2ahUKEwjPvI7OnN6FAxXfHzQIHbMTBNkQ9QF6BAgAEAg)
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Iridium(IV) oxide, IrO₂, is the only well-characterised oxide of iridium. It is a blue-black solid. The compound adopts the TiO₂ rutile structure, featuring six coordinate iridium and three coordinate oxygen. Wikipedia
Formula: IrO2
Density: 11.66 g/cm³
Molar mass: 224.22 g/mol
Melting point: 2,012°F (1,100°C)
Solubility in water: insoluble
ChemSpider ID: 10605808
Crystal structure: Rutile (tetragonal)