BeI2
beryllium iodide
Beryllium iodide is a stable, wide-gap insulating halide compound used primarily in specialized chemical synthesis and research.
About beryllium iodide
Beryllium iodide is a distinct halide compound characterized by its insulating electronic nature and high thermodynamic stability. As a member of the beryllium halide family, it occupies a specific position on the convex hull, indicating its robust structural integrity under standard conditions. Its unique chemical behavior is driven by the small, highly polarizing beryllium cation paired with large, polarizable iodide anions.
This compound is primarily studied for its fundamental role in coordination chemistry and as a precursor for specialized synthetic applications. Due to its sensitivity to moisture and specific electronic properties, it serves as a critical subject for researchers investigating the limits of beryllium-based inorganic frameworks and halide bonding interactions.
Key Properties
Cross-validated computational properties for beryllium iodide, aggregated across 5 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 beryllium iodide is used.
Frequently Asked Questions
Common questions about beryllium iodide, answered from cross-validated data.
What is BeI2?
Beryllium iodide is a stable, wide-gap insulating halide compound used primarily in specialized chemical synthesis and research.
What is BeI2 used for?
What is the band gap of BeI2?
Is BeI2 a metal, semiconductor, or insulator?
Is BeI2 thermodynamically stable?
How many polymorphs of BeI2 are known?
What elements does BeI2 contain?
Where does the data for BeI2 come from?
How It Compares
As a member of the beryllium halide class, beryllium iodide represents a key benchmark for understanding how halide size influences the structural landscape of beryllium-based materials. It serves as a foundational reference point for the group, providing essential data on how these compounds maintain stability within their respective chemical environments.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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