K2AlF5
K2AlF5 is a thermodynamically stable, insulating fluoride compound composed of potassium, aluminum, and fluorine.
About K2AlF5
K2AlF5 is a complex fluoride compound characterized by its wide-gap insulating electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement of potassium, aluminum, and fluorine atoms.
This material is of interest for its structural stability and fundamental properties within the broader family of metal fluorides. Its existence across multiple reported structures highlights its significance as a well-defined inorganic compound for academic and materials research.
Key Properties
Cross-validated computational properties for K2AlF5, aggregated across 4 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 K2AlF5 is used.
Frequently Asked Questions
Common questions about K2AlF5, answered from cross-validated data.
What is K2AlF5?
K2AlF5 is a thermodynamically stable, insulating fluoride compound composed of potassium, aluminum, and fluorine.
What is K2AlF5 used for?
What is the band gap of K2AlF5?
Is K2AlF5 a metal, semiconductor, or insulator?
Is K2AlF5 thermodynamically stable?
How many polymorphs of K2AlF5 are known?
What elements does K2AlF5 contain?
Where does the data for K2AlF5 come from?
How It Compares
As a stable inorganic fluoride, K2AlF5 serves as a representative example of how alkali and aluminum cations coordinate with fluorine to form insulating, structurally reliable frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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