K16Mg8O32Si8
K16Mg8O32Si8 is a stable, insulating crystalline compound composed of potassium, magnesium, silicon, and oxygen.
About K16Mg8O32Si8
K16Mg8O32Si8 is a complex inorganic compound composed of potassium, magnesium, oxygen, and silicon. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration of these elements that maintains structural integrity under standard conditions.
This material functions as a wide-gap insulator, a characteristic that makes it an interesting candidate for applications requiring high electrical resistance. Its existence across multiple crystallographic databases highlights its significance as a well-defined, stable member of its chemical family.
Key Properties
Cross-validated computational properties for K16Mg8O32Si8, 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 K16Mg8O32Si8, 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. |
|---|---|---|---|---|---|
| Pca21 (No. 29) | orthorhombic | 4.22 | 0.0000 | -6.421 | 2.66 |
| — | — | — | — | — | 2.22 |
| Pca21 (No. 29) | — | — | — | — | — |
| — | — | — | — | — | 2.66 |
Applications
Where K16Mg8O32Si8 is used.
Frequently Asked Questions
Common questions about K16Mg8O32Si8, answered from cross-validated data.
What is K16Mg8O32Si8?
K16Mg8O32Si8 is a stable, insulating crystalline compound composed of potassium, magnesium, silicon, and oxygen.
What is K16Mg8O32Si8 used for?
What is the band gap of K16Mg8O32Si8?
Is K16Mg8O32Si8 a metal, semiconductor, or insulator?
Is K16Mg8O32Si8 thermodynamically stable?
What is the crystal structure of K16Mg8O32Si8?
What is the density of K16Mg8O32Si8?
How many polymorphs of K16Mg8O32Si8 are known?
What elements does K16Mg8O32Si8 contain?
Where does the data for K16Mg8O32Si8 come from?
How It Compares
As a thermodynamically stable compound, K16Mg8O32Si8 serves as a benchmark for structural stability within its chemical system, providing a reliable baseline for researchers investigating the complex interactions between alkali metals and silicate frameworks.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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