F32S8W8
F32S8W8 is a wide-band-gap insulating compound containing tungsten, sulfur, and fluorine that exists in a metastable state.
About F32S8W8
F32S8W8 is a complex inorganic compound composed of tungsten, sulfur, and fluorine. As a wide-band-gap insulator, it exhibits distinct electronic properties that differentiate it from metallic or semiconducting transition metal chalcogenides.
Due to its position above the thermodynamic hull, this material is considered metastable. It serves as an intriguing subject for computational studies aimed at understanding the structural landscape of tungsten-sulfur-fluorine systems.
Key Properties
Cross-validated computational properties for F32S8W8, 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 F32S8W8, 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 | 3.32 | 0.1419 | -6.361 | 3.86 |
| Pca21 (No. 29) | — | — | — | — | — |
| Pca21 (No. 29) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.13 |
Frequently Asked Questions
Common questions about F32S8W8, answered from cross-validated data.
What is F32S8W8?
F32S8W8 is a wide-band-gap insulating compound containing tungsten, sulfur, and fluorine that exists in a metastable state.
What is the band gap of F32S8W8?
Is F32S8W8 a metal, semiconductor, or insulator?
Is F32S8W8 thermodynamically stable?
What is the crystal structure of F32S8W8?
What is the density of F32S8W8?
How many polymorphs of F32S8W8 are known?
What elements does F32S8W8 contain?
Where does the data for F32S8W8 come from?
How It Compares
As a unique entry in this chemical space, F32S8W8 represents a specialized structural configuration. Without established siblings in its immediate class, it serves as a primary reference point for investigating the stability limits of complex tungsten-sulfur-fluorine 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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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