ClF5
Chlorine pentafluoride · Chlorine(V) fluoride
Chlorine pentafluoride is a highly reactive and stable interhalogen compound primarily utilized as a potent fluorinating agent.

About Chlorine pentafluoride
Chlorine pentafluoride is a powerful interhalogen compound characterized by its insulating electronic nature. As a thermodynamically stable species, it maintains a robust structural framework that has been extensively documented across multiple crystallographic databases.
Its chemical significance lies in its extreme reactivity, serving as a vigorous fluorinating agent. Due to these properties, it is primarily utilized in high-energy applications where precise control over chemical oxidation and fluorination is required.
Key Properties
Cross-validated computational properties for Chlorine pentafluoride, 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 Chlorine pentafluoride is used.
Frequently Asked Questions
Common questions about Chlorine pentafluoride, answered from cross-validated data.
What is ClF5?
Chlorine pentafluoride is a highly reactive and stable interhalogen compound primarily utilized as a potent fluorinating agent.
What is ClF5 used for?
What is the band gap of ClF5?
Is ClF5 a metal, semiconductor, or insulator?
Is ClF5 thermodynamically stable?
How many polymorphs of ClF5 are known?
What elements does ClF5 contain?
Where does the data for ClF5 come from?
How It Compares
As a unique interhalogen compound, chlorine pentafluoride occupies a distinct niche in inorganic chemistry, serving as a high-performance reagent that demonstrates the stability and reactivity profiles characteristic of advanced halogen-based systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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