KrF2
Krypton difluoride · Krypton fluoride
Krypton difluoride is a rare, thermodynamically stable noble gas compound that functions as a potent oxidizing and fluorinating agent.
About Krypton difluoride
Krypton difluoride is a notable noble gas compound that stands out for being thermodynamically stable on the convex hull. Despite the general inertness of noble gases, this material forms a distinct crystalline structure, showcasing the unique chemistry possible when krypton is forced into bonding with highly electronegative fluorine atoms.
As a semiconducting material, it is primarily recognized for its extreme chemical reactivity. It serves as a powerful fluorinating and oxidizing agent, capable of participating in reactions that few other compounds can facilitate, making it a subject of significant interest in high-energy chemical research.
Key Properties
Cross-validated computational properties for Krypton difluoride, 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 Krypton difluoride is used.
Frequently Asked Questions
Common questions about Krypton difluoride, answered from cross-validated data.
What is KrF2?
Krypton difluoride is a rare, thermodynamically stable noble gas compound that functions as a potent oxidizing and fluorinating agent.
What is KrF2 used for?
What is the band gap of KrF2?
Is KrF2 a metal, semiconductor, or insulator?
Is KrF2 thermodynamically stable?
How many polymorphs of KrF2 are known?
What elements does KrF2 contain?
Where does the data for KrF2 come from?
How It Compares
As a rare example of a stable noble gas fluoride, this compound occupies a unique position in inorganic chemistry. While many noble gas compounds are highly transient or require extreme conditions to exist, this material demonstrates a surprising level of stability, setting it apart from more volatile or unstable noble gas derivatives.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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