TeBr4
tellurium tetrabromide · tellurium(IV) bromide
Tellurium tetrabromide is a stable, semiconducting chemical compound frequently utilized as a reagent in inorganic synthesis.
About tellurium tetrabromide
Tellurium tetrabromide is a semiconducting inorganic compound that exists in a thermodynamically stable state on the convex hull. Its structural versatility is highlighted by its presence in numerous reported configurations, reflecting its complex behavior in the solid state.
This material serves as a critical precursor in various chemical synthesis pathways. Its electronic properties and stability make it a subject of interest for researchers investigating tellurium-based halides and their potential roles in specialized chemical processes.
Key Properties
Cross-validated computational properties for tellurium tetrabromide, 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.
Reported Structures
Lowest-energy structures reported for TeBr4, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| C2/c (No. 15) | monoclinic | 2.52 | 0.0000 | -2.751 | 4.03 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.71 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.20 |
| Cmm2 (No. 35) | Orthorhombic | — | — | — | 4.00 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.94 |
| C2/m (No. 12) | Monoclinic | — | — | — | 3.63 |
| Fmm2 (No. 42) | Orthorhombic | — | — | — | 5.56 |
| Cm (No. 8) | Monoclinic | — | — | — | 7.48 |
| Cm (No. 8) | Monoclinic | — | — | — | 3.78 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.97 |
| C2/m (No. 12) | Monoclinic | — | — | — | 7.05 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.60 |
Applications
Where tellurium tetrabromide is used.
Frequently Asked Questions
Common questions about tellurium tetrabromide, answered from cross-validated data.
What is TeBr4?
Tellurium tetrabromide is a stable, semiconducting chemical compound frequently utilized as a reagent in inorganic synthesis.
What is TeBr4 used for?
What is the band gap of TeBr4?
Is TeBr4 a metal, semiconductor, or insulator?
Is TeBr4 thermodynamically stable?
What is the crystal structure of TeBr4?
What is the density of TeBr4?
How many polymorphs of TeBr4 are known?
What elements does TeBr4 contain?
Where does the data for TeBr4 come from?
How It Compares
As a distinct tellurium halide, TeBr4 occupies a unique position in materials science, serving as a foundational reference point for understanding the structural and electronic behavior of heavy p-block element bromides.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
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