CoF4
CoF4 is a semiconducting cobalt fluoride compound that is considered a near-hull phase with potential for synthesis in specialized chemical environments.

About CoF4
CoF4 is a binary fluoride compound featuring cobalt in a high oxidation state. As a semiconducting material, it represents a unique intersection of transition metal chemistry and halide coordination, drawing significant interest for its electronic properties and structural versatility. The compound is characterized by its near-hull thermodynamic stability, suggesting that it is a viable candidate for experimental synthesis under controlled conditions. Its existence across multiple structural configurations highlights the complex bonding landscape inherent to cobalt-fluorine systems.
Key Properties
Cross-validated computational properties for CoF4, aggregated across 2 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting CoF4.
Applications
Where CoF4 is used.
Frequently Asked Questions
Common questions about CoF4, answered from cross-validated data.
What is CoF4?
CoF4 is a semiconducting cobalt fluoride compound that is considered a near-hull phase with potential for synthesis in specialized chemical environments.
What is CoF4 used for?
What is the band gap of CoF4?
Is CoF4 a metal, semiconductor, or insulator?
Is CoF4 thermodynamically stable?
How many polymorphs of CoF4 are known?
How is CoF4 synthesized?
What elements does CoF4 contain?
Where does the data for CoF4 come from?
How It Compares
As a specialized cobalt fluoride, CoF4 occupies a distinct niche in inorganic chemistry where high-valence transition metal halides are explored for their unique electronic and magnetic behaviors. Unlike more common lower-valence cobalt fluorides, this compound represents a more challenging synthetic target, serving as an important subject for understanding the limits of structural stability in metal-fluorine frameworks.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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