RhCl3
Rhodium(III) chloride · Rhodium trichloride
Rhodium(III) chloride is a stable, semiconducting rhodium compound widely employed as a versatile catalyst and precursor in chemical synthesis.

About Rhodium(III) chloride
Rhodium(III) chloride is a key inorganic compound within the platinum-group catalyst family. It is recognized for its thermodynamic stability, existing reliably on the convex hull, and serves as a fundamental building block for the synthesis of various rhodium-based coordination complexes.
As a semiconducting material with significant structural diversity, it is highly valued in catalytic applications. Its ability to facilitate complex chemical transformations makes it an essential reagent in both laboratory research and large-scale industrial manufacturing processes.
Key Properties
Cross-validated computational properties for Rhodium(III) chloride, 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 Rhodium(III) chloride is used.
Frequently Asked Questions
Common questions about Rhodium(III) chloride, answered from cross-validated data.
What is RhCl3?
Rhodium(III) chloride is a stable, semiconducting rhodium compound widely employed as a versatile catalyst and precursor in chemical synthesis.
What is RhCl3 used for?
What is the band gap of RhCl3?
Is RhCl3 a metal, semiconductor, or insulator?
Is RhCl3 thermodynamically stable?
How many polymorphs of RhCl3 are known?
What elements does RhCl3 contain?
Where does the data for RhCl3 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Unlike metallic platinum-group alloys such as LaRh or BaPd, which are characterized by their conductive metallic nature, RhCl3 functions as a semiconducting halide. While its siblings in the class often focus on structural alloying or solid-state electronic applications, RhCl3 is primarily utilized for its chemical reactivity and role as a precursor in catalytic synthesis.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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