K2O16V6
K2O16V6 is a stable, semiconducting potassium vanadium oxide used in advanced materials research.
About K2O16V6
K2O16V6 is a complex potassium vanadium oxide that exists as a thermodynamically stable phase on the convex hull. Its semiconducting electronic character makes it an intriguing candidate for materials science research, particularly where charge transport and structural integrity are critical.
Given its presence across multiple structural databases, this compound is recognized for its versatility in solid-state chemistry. It serves as a foundational material for investigating the interplay between alkali metal intercalation and the redox-active vanadium framework in various electrochemical environments.
Key Properties
Cross-validated computational properties for K2O16V6, 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 K2O16V6, 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. |
|---|---|---|---|---|---|
| P21/m (No. 11) | monoclinic | 2.09 | 0.0000 | -8.026 | 3.33 |
| P21/m (No. 11) | — | — | — | — | — |
| P21/m (No. 11) | — | — | — | — | — |
| P21/m (No. 11) | — | — | — | — | — |
| P21/m (No. 11) | — | — | — | — | — |
| — | — | — | — | — | 2.52 |
Applications
Where K2O16V6 is used.
Frequently Asked Questions
Common questions about K2O16V6, answered from cross-validated data.
What is K2O16V6?
K2O16V6 is a stable, semiconducting potassium vanadium oxide used in advanced materials research.
What is K2O16V6 used for?
What is the band gap of K2O16V6?
Is K2O16V6 a metal, semiconductor, or insulator?
Is K2O16V6 thermodynamically stable?
What is the crystal structure of K2O16V6?
What is the density of K2O16V6?
How many polymorphs of K2O16V6 are known?
What elements does K2O16V6 contain?
Where does the data for K2O16V6 come from?
How It Compares
As a thermodynamically stable phase, K2O16V6 represents a robust member of the potassium-vanadium-oxygen system. It stands out for its structural reliability, providing a well-defined benchmark for researchers studying the stability of complex oxides in this chemical family.
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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