SiBr4
Silicon tetrabromide · Tetrabromosilane
Silicon tetrabromide is a stable, insulating silicon-halogen compound used primarily as a chemical precursor and research material.
About Silicon tetrabromide
Silicon tetrabromide is a thermodynamically stable inorganic compound characterized by its insulating electronic nature. As a member of the silicon-based materials family, it represents a distinct chemical configuration that sits securely on the convex hull, indicating robust stability in its structural formation. Its unique bonding environment makes it a subject of interest for researchers investigating the fundamental properties of silicon-halogen interactions. The compound is frequently studied for its chemical reactivity and its potential as a precursor in the synthesis of advanced silicon-containing materials. Its insulating character distinguishes it from the metallic or semi-metallic silicides often found in high-performance anode applications, providing a different pathway for material design.
Key Properties
Cross-validated computational properties for Silicon tetrabromide, 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 Silicon tetrabromide is used.
Frequently Asked Questions
Common questions about Silicon tetrabromide, answered from cross-validated data.
What is SiBr4?
Silicon tetrabromide is a stable, insulating silicon-halogen compound used primarily as a chemical precursor and research material.
What is SiBr4 used for?
What is the band gap of SiBr4?
Is SiBr4 a metal, semiconductor, or insulator?
Is SiBr4 thermodynamically stable?
How many polymorphs of SiBr4 are known?
What elements does SiBr4 contain?
Where does the data for SiBr4 come from?
How It Compares
Within the silicon anode materials class.
Unlike the metallic silicides such as FeSi or MoSi2, which are prized for their conductive properties in anode applications, silicon tetrabromide acts as a wide-gap insulator. While elemental silicon serves as the primary benchmark for capacity in this class, SiBr4 offers a chemically distinct structural framework that contrasts with the more traditional metallic or semi-metallic silicon compounds like Mg2Si or BaSi2.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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