RhF6

Rhodium hexafluoride · Rhodium(VI) fluoride

Rhodium hexafluoride is a stable, semiconducting inorganic compound composed of rhodium and fluorine that serves as a key subject in the study of high-oxidation-state transition metal fluorides.

Crystal structure of RhF6
Ground-state structure · Materials Project
Overview

About Rhodium hexafluoride

Rhodium hexafluoride is a notable member of the platinum-group fluoride family, characterized by its semiconducting electronic structure. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined state of rhodium in a highly oxidized environment.

This compound is of significant interest in inorganic chemistry due to the unique bonding interactions between rhodium and fluorine. Its stability profile makes it a subject of extensive structural investigation, with numerous reported crystalline arrangements documented across major materials databases.

At a glance

Key Properties

Cross-validated computational properties for Rhodium hexafluoride, aggregated across 3 databases.

Band Gap

0.59–0.87 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

19
3 databases, 8 space groups
Uses

Applications

Where Rhodium hexafluoride is used.

Inorganic synthesisFluorinating agentFundamental chemical research
Reference

Frequently Asked Questions

Common questions about Rhodium hexafluoride, answered from cross-validated data.

What is RhF6?

Rhodium hexafluoride is a stable, semiconducting inorganic compound composed of rhodium and fluorine that serves as a key subject in the study of high-oxidation-state transition metal fluorides.

More questions
What is RhF6 used for?
Rhodium hexafluoride (RhF6) is used in inorganic synthesis, fluorinating agent, and fundamental chemical research.
What is the band gap of RhF6?
Rhodium hexafluoride (RhF6) has a DFT-computed band gap of 0.59–0.87 eV across 19 reported structures.
Is RhF6 a metal, semiconductor, or insulator?
With a band gap up to 0.87 eV it is a semiconductor.
Is RhF6 thermodynamically stable?
Yes — Rhodium hexafluoride (RhF6) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of RhF6 are known?
19 structures of RhF6 are reported across 3 databases, spanning 8 distinct space groups.
What elements does RhF6 contain?
Rhodium hexafluoride (RhF6) contains F and Rh (2 elements).
Where does the data for RhF6 come from?
RhF6 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the platinum-group alloy catalysts class.

Unlike the metallic or intermetallic phases in its class such as LaRh or GeRu, RhF6 is defined by its fluoride-based chemistry and semiconducting nature. While many platinum-group alloys like As2Pt or BaPd are studied for their metallic conductivity and catalytic potential, RhF6 stands out as a highly reactive, non-metallic species that highlights the diverse oxidation states accessible to the platinum-group metals.

Explore

Related Compounds

Other Platinum-Group Alloy Catalysts in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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