Cl18K6W4
Cl18K6W4 is a semiconducting tungsten-potassium chloride compound that is considered stable enough for experimental synthesis.
About Cl18K6W4
Cl18K6W4 is a complex inorganic compound composed of chlorine, potassium, and tungsten. As a semiconducting material, it represents a unique intersection of transition metal chemistry and halide frameworks, offering interesting electronic properties for specialized applications.
This compound is considered near-hull, suggesting it is thermodynamically stable enough to be synthesized and studied in laboratory settings. With multiple reported structures across major databases, it serves as a significant subject for researchers investigating the structural diversity of tungsten-based halides.
Key Properties
Cross-validated computational properties for Cl18K6W4, 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 Cl18K6W4, 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. |
|---|---|---|---|---|---|
| P63/m (No. 176) | hexagonal | 1.34 | 0.0036 | -14.060 | 3.59 |
| — | — | — | — | — | 2.78 |
| P63/m (No. 176) | — | — | — | — | — |
| P63/m (No. 176) | — | — | — | — | — |
| — | — | — | — | — | 3.41 |
Applications
Where Cl18K6W4 is used.
Frequently Asked Questions
Common questions about Cl18K6W4, answered from cross-validated data.
What is Cl18K6W4?
Cl18K6W4 is a semiconducting tungsten-potassium chloride compound that is considered stable enough for experimental synthesis.
What is Cl18K6W4 used for?
What is the band gap of Cl18K6W4?
Is Cl18K6W4 a metal, semiconductor, or insulator?
Is Cl18K6W4 thermodynamically stable?
What is the crystal structure of Cl18K6W4?
What is the density of Cl18K6W4?
How many polymorphs of Cl18K6W4 are known?
What elements does Cl18K6W4 contain?
Where does the data for Cl18K6W4 come from?
How It Compares
As a distinct tungsten-potassium chloride, this compound occupies a specialized niche in inorganic chemistry, representing a specific structural arrangement that highlights the versatility of tungsten in halide environments.
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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