F12K4Si2
F12K4Si2 is a stable, wide-band-gap insulating compound composed of potassium, silicon, and fluorine.
About F12K4Si2
F12K4Si2 is a complex fluoride compound characterized by its wide-band-gap insulating electronic profile. As a material that resides on the thermodynamic convex hull, it exhibits significant structural stability, making it a robust candidate for fundamental studies in inorganic chemistry.
Its unique composition of potassium, silicon, and fluorine allows it to maintain a stable crystalline architecture. This stability is supported by multiple reported structural configurations, highlighting its versatility as a subject for computational and experimental materials research.
Key Properties
Cross-validated computational properties for F12K4Si2, 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 F12K4Si2, answered from cross-validated data.
What is F12K4Si2?
F12K4Si2 is a stable, wide-band-gap insulating compound composed of potassium, silicon, and fluorine.
What is the band gap of F12K4Si2?
Is F12K4Si2 a metal, semiconductor, or insulator?
Is F12K4Si2 thermodynamically stable?
How many polymorphs of F12K4Si2 are known?
What elements does F12K4Si2 contain?
Where does the data for F12K4Si2 come from?
How It Compares
As a thermodynamically stable fluoride, this compound serves as a distinct example of how alkali and silicon-based anions can organize into highly ordered, insulating frameworks. It represents a specialized niche within complex fluoride materials where structural integrity is prioritized.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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