Ba4O28Te12
Ba4O28Te12 is a stable, wide-band-gap insulating compound containing barium, oxygen, and tellurium.
About Ba4O28Te12
Ba4O28Te12 is a complex inorganic compound composed of barium, oxygen, and tellurium. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement within its chemical system.
This material exhibits insulating characteristics, defined by a wide band gap. Its electronic nature makes it a subject of interest for fundamental studies in solid-state chemistry and materials science, particularly where stable, non-conductive oxide-telluride frameworks are required.
Key Properties
Cross-validated computational properties for Ba4O28Te12, 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.
Reported Structures
Lowest-energy structures reported for Ba4O28Te12, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 3.20 | 0.0007 | -6.087 | 5.48 |
| No. 0 | unknown | — | — | — | 1.45 |
| — | — | — | — | — | 3.84 |
Frequently Asked Questions
Common questions about Ba4O28Te12, answered from cross-validated data.
What is Ba4O28Te12?
Ba4O28Te12 is a stable, wide-band-gap insulating compound containing barium, oxygen, and tellurium.
What is the band gap of Ba4O28Te12?
Is Ba4O28Te12 a metal, semiconductor, or insulator?
Is Ba4O28Te12 thermodynamically stable?
What is the crystal structure of Ba4O28Te12?
What is the density of Ba4O28Te12?
How many polymorphs of Ba4O28Te12 are known?
What elements does Ba4O28Te12 contain?
Where does the data for Ba4O28Te12 come from?
How It Compares
As a unique member of its chemical system, Ba4O28Te12 serves as a stable reference point for understanding the interplay between barium, oxygen, and tellurium. Unlike more common binary oxides, this complex structure highlights the diverse coordination environments possible within ternary tellurite systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
Analyze Ba4O28Te12 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →