Be12O24Si6
beryl · Be3Al2Si6O18 (related structure), beryllium aluminum silicate
Be12O24Si6 is a thermodynamically stable, insulating beryllium silicate compound known for its well-defined structural characteristics.
About beryl
Be12O24Si6 is a highly stable inorganic compound characterized by its wide-gap insulating electronic profile. Its position on the convex hull indicates a robust thermodynamic state, making it a significant subject for structural analysis within its chemical family.
With extensive documentation across multiple databases, this compound serves as a key reference for understanding complex silicate-based frameworks. Its structural integrity and insulating nature are vital for researchers investigating advanced dielectric materials and mineralogical analogs.
Key Properties
Cross-validated computational properties for beryl, aggregated across 4 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 Be12O24Si6, 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. |
|---|---|---|---|---|---|
| R-3 (No. 148) | trigonal | 5.83 | 0.0000 | -7.847 | 2.96 |
| P-1 (No. 2) | triclinic | 2.76 | 0.6844 | -7.163 | 2.18 |
| R-3 (No. 148) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.17 |
| No. 0 | unknown | — | — | — | 0.17 |
| No. 0 | unknown | — | — | — | 0.16 |
| No. 0 | unknown | — | — | — | 0.17 |
| No. 0 | unknown | — | — | — | 0.17 |
| No. 0 | unknown | — | — | — | 0.17 |
| No. 0 | unknown | — | — | — | 0.16 |
| No. 0 | unknown | — | — | — | 0.16 |
| — | — | — | — | — | 2.81 |
Applications
Where beryl is used.
Frequently Asked Questions
Common questions about beryl, answered from cross-validated data.
What is Be12O24Si6?
Be12O24Si6 is a thermodynamically stable, insulating beryllium silicate compound known for its well-defined structural characteristics.
What is Be12O24Si6 used for?
What is the band gap of Be12O24Si6?
Is Be12O24Si6 a metal, semiconductor, or insulator?
Is Be12O24Si6 thermodynamically stable?
What is the crystal structure of Be12O24Si6?
What is the density of Be12O24Si6?
How many polymorphs of Be12O24Si6 are known?
What elements does Be12O24Si6 contain?
Where does the data for Be12O24Si6 come from?
How It Compares
As a standalone entry in this assessment, Be12O24Si6 represents a benchmark for stability within its structural class, providing a foundational example of how beryllium and silicon oxides organize into highly ordered, thermodynamically favored architectures.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- 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).
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