F24K4Na4Si4
F24K4Na4Si4 is a wide-gap insulating fluoride-silicate compound that is theoretically stable and potentially synthesizable.
About F24K4Na4Si4
F24K4Na4Si4 is a complex fluoride-silicate material characterized by its wide-gap insulating electronic profile. Its structural arrangement suggests a stable configuration that makes it a notable subject for solid-state chemistry research.
As a material positioned near the thermodynamic hull, it is considered a viable candidate for experimental synthesis. Its unique composition of alkali metals, silicon, and fluorine offers a distinct chemical environment for potential applications in specialized dielectric or insulating technologies.
Key Properties
Cross-validated computational properties for F24K4Na4Si4, 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 F24K4Na4Si4, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 7.00 | 0.0061 | -5.546 | 2.59 |
| Pnma (No. 62) | — | — | — | — | — |
| — | — | — | — | — | 2.61 |
| Pnma (No. 62) | — | — | — | — | — |
Applications
Where F24K4Na4Si4 is used.
Frequently Asked Questions
Common questions about F24K4Na4Si4, answered from cross-validated data.
What is F24K4Na4Si4?
F24K4Na4Si4 is a wide-gap insulating fluoride-silicate compound that is theoretically stable and potentially synthesizable.
What is F24K4Na4Si4 used for?
What is the band gap of F24K4Na4Si4?
Is F24K4Na4Si4 a metal, semiconductor, or insulator?
Is F24K4Na4Si4 thermodynamically stable?
What is the crystal structure of F24K4Na4Si4?
What is the density of F24K4Na4Si4?
How many polymorphs of F24K4Na4Si4 are known?
What elements does F24K4Na4Si4 contain?
Where does the data for F24K4Na4Si4 come from?
How It Compares
As a unique fluoride-silicate, this compound represents a specific structural niche within inorganic materials. While it currently stands as a singular entry in this classification, its near-hull stability suggests it could serve as a foundational reference point for future synthetic efforts in complex alkali-metal silicate frameworks.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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