As2Cs2F8
As2Cs2F8 is a thermodynamically stable, insulating fluoride compound composed of arsenic, cesium, and fluorine.

About As2Cs2F8
As2Cs2F8 is a complex inorganic fluoride characterized by its insulating electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement of arsenic, cesium, and fluorine atoms.
Its structural integrity makes it a subject of interest for researchers investigating stable wide-gap insulators. The material is categorized by its distinct stoichiometry and is recognized for its structural persistence across computational modeling studies.
Key Properties
Cross-validated computational properties for As2Cs2F8, 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.
Frequently Asked Questions
Common questions about As2Cs2F8, answered from cross-validated data.
What is As2Cs2F8?
As2Cs2F8 is a thermodynamically stable, insulating fluoride compound composed of arsenic, cesium, and fluorine.
What is the band gap of As2Cs2F8?
Is As2Cs2F8 a metal, semiconductor, or insulator?
Is As2Cs2F8 thermodynamically stable?
How many polymorphs of As2Cs2F8 are known?
What elements does As2Cs2F8 contain?
Where does the data for As2Cs2F8 come from?
How It Compares
As a thermodynamically stable compound, As2Cs2F8 serves as a reference point for stability within its chemical space. It occupies a unique position as a stable fluoride phase, providing a benchmark for understanding how these specific elements organize into insulating frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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