As4K4O36W8
As4K4O36W8 is a thermodynamically stable, semiconducting inorganic compound composed of arsenic, potassium, oxygen, and tungsten.
About As4K4O36W8
As4K4O36W8 is a complex inorganic compound featuring a precise arrangement of arsenic, potassium, oxygen, and tungsten. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration within its chemical system.
This material exhibits semiconducting electronic characteristics, making it an intriguing candidate for specialized electronic or catalytic applications. Its structural integrity and electronic profile suggest potential utility in fields requiring stable, functional inorganic frameworks.
Key Properties
Cross-validated computational properties for As4K4O36W8, 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 As4K4O36W8, 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. |
|---|---|---|---|---|---|
| P212121 (No. 19) | orthorhombic | 2.39 | 0.0000 | -7.961 | 5.10 |
| P212121 (No. 19) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.36 |
Applications
Where As4K4O36W8 is used.
Frequently Asked Questions
Common questions about As4K4O36W8, answered from cross-validated data.
What is As4K4O36W8?
As4K4O36W8 is a thermodynamically stable, semiconducting inorganic compound composed of arsenic, potassium, oxygen, and tungsten.
What is As4K4O36W8 used for?
What is the band gap of As4K4O36W8?
Is As4K4O36W8 a metal, semiconductor, or insulator?
Is As4K4O36W8 thermodynamically stable?
What is the crystal structure of As4K4O36W8?
What is the density of As4K4O36W8?
How many polymorphs of As4K4O36W8 are known?
What elements does As4K4O36W8 contain?
Where does the data for As4K4O36W8 come from?
How It Compares
As a distinct inorganic compound, As4K4O36W8 occupies a unique position in its chemical space. Because it resides on the convex hull, it demonstrates superior thermodynamic stability compared to many metastable alternatives, serving as a reliable benchmark for studying the interplay between its constituent elements.
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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