Cr3WO8
Cr3WO8 is a metastable, semiconducting ternary oxide utilized in the study of spinel-based catalytic materials.
About Cr3WO8
Cr3WO8 is a complex ternary oxide belonging to the spinel-related family of materials. As a semiconducting compound, it exhibits electronic properties that make it a subject of interest for specialized catalytic research where charge transport and surface reactivity are critical. Its metastable nature suggests that its synthesis requires precise control over processing conditions to stabilize the desired atomic arrangement.
Because it is part of the broader class of spinel oxide catalysts, this material is investigated for its potential to facilitate chemical transformations. Its structural complexity, supported by multiple reported configurations in crystallographic databases, highlights its role as a versatile candidate for exploring structure-property relationships in transition metal oxide systems.
Key Properties
Cross-validated computational properties for Cr3WO8, 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 Cr3WO8, 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. |
|---|---|---|---|---|---|
| P63mc (No. 186) | hexagonal | 0.41 | 0.0971 | -8.935 | 5.44 |
| P63mc (No. 186) | Hexagonal | — | — | — | 5.44 |
| P63mc (No. 186) | Hexagonal | — | — | — | 6.14 |
| P63mc (No. 186) | Hexagonal | — | — | — | 5.68 |
| P63mc (No. 186) | — | — | — | — | — |
Applications
Where Cr3WO8 is used.
Frequently Asked Questions
Common questions about Cr3WO8, answered from cross-validated data.
What is Cr3WO8?
Cr3WO8 is a metastable, semiconducting ternary oxide utilized in the study of spinel-based catalytic materials.
What is Cr3WO8 used for?
What is the band gap of Cr3WO8?
Is Cr3WO8 a metal, semiconductor, or insulator?
Is Cr3WO8 thermodynamically stable?
What is the crystal structure of Cr3WO8?
What is the density of Cr3WO8?
How many polymorphs of Cr3WO8 are known?
What elements does Cr3WO8 contain?
Where does the data for Cr3WO8 come from?
How It Compares
Within the spinel oxide catalysts class.
Unlike the highly stable and widely utilized binary oxides like ZnO or NiO, Cr3WO8 represents a more complex, metastable phase within the spinel oxide family. While simple spinels like MgAl2O4 are often studied for their structural robustness, Cr3WO8 offers a more intricate electronic environment, positioning it as a distinct alternative to the perovskite-structured catalysts such as LaMnO3 or LaNiO3 in applications requiring specific semiconducting behavior.
Related Compounds
Other Spinel Oxide Catalysts in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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