IrBr3
Iridium(III) bromide · Iridium tribromide
Iridium(III) bromide is a stable, semiconducting iridium halide used primarily as a chemical precursor and catalyst component.
About Iridium(III) bromide
Iridium(III) bromide is a thermodynamically stable compound that belongs to the platinum-group alloy catalyst class. Its semiconducting electronic nature makes it an interesting candidate for specialized chemical synthesis and materials research.
As a well-documented material with multiple reported structures, it serves as a reliable precursor in the development of advanced iridium-containing catalysts. Its stability ensures consistent performance in various chemical environments where iridium-based compounds are required.
Key Properties
Cross-validated computational properties for Iridium(III) bromide, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where Iridium(III) bromide is used.
Frequently Asked Questions
Common questions about Iridium(III) bromide, answered from cross-validated data.
What is IrBr3?
Iridium(III) bromide is a stable, semiconducting iridium halide used primarily as a chemical precursor and catalyst component.
What is IrBr3 used for?
What is the band gap of IrBr3?
Is IrBr3 a metal, semiconductor, or insulator?
Is IrBr3 thermodynamically stable?
How many polymorphs of IrBr3 are known?
What elements does IrBr3 contain?
Where does the data for IrBr3 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse group of platinum-group alloys and compounds, IrBr3 stands out for its halide-based composition compared to more metallic or intermetallic siblings like As2Ir or LaRh. While many members of this class focus on metallic bonding for high-temperature stability, IrBr3 utilizes its semiconducting properties to facilitate specific catalytic pathways that are distinct from its intermetallic counterparts.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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