Na3VO3
Na3VO3 is a metastable semiconducting oxide compound composed of sodium, vanadium, and oxygen.
About Na3VO3
Na3VO3 is a complex oxide featuring sodium, vanadium, and oxygen. As a semiconducting material, it exhibits electronic properties that make it a subject of interest for fundamental solid-state studies.
Despite its metastable nature, the compound has been documented across multiple structural databases, reflecting its intricate coordination chemistry. Its existence in various configurations highlights the flexibility of vanadium-based anionic frameworks.
Key Properties
Cross-validated computational properties for Na3VO3, aggregated across 2 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Na3VO3. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for Na3VO3, 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/c (No. 14) | monoclinic | 0.23 | 0.0000 | -1.906 | — |
| P21/c (No. 14) | monoclinic | 0.19 | 0.0000 | -1.906 | — |
| P-1 (No. 2) | triclinic | 0.00 | 0.0000 | -1.909 | — |
| P-1 (No. 2) | triclinic | 0.00 | 0.0000 | -1.893 | — |
| P-1 (No. 2) | triclinic | 0.40 | 0.0658 | -5.915 | 2.70 |
| P21/c (No. 14) | monoclinic | 0.19 | 0.0686 | -5.912 | 2.75 |
| C2/c (No. 15) | monoclinic | 0.59 | 0.0754 | -5.905 | 2.69 |
| P21/c (No. 14) | monoclinic | 0.22 | 0.0887 | -5.892 | 2.69 |
| P-1 (No. 2) | triclinic | — | — | — | 2.82 |
| P-1 (No. 2) | triclinic | — | — | — | 2.70 |
| P21/c (No. 14) | monoclinic | — | — | — | 2.69 |
| P-1 (No. 2) | triclinic | — | — | — | 2.87 |
Frequently Asked Questions
Common questions about Na3VO3, answered from cross-validated data.
What is Na3VO3?
Na3VO3 is a metastable semiconducting oxide compound composed of sodium, vanadium, and oxygen.
What is the band gap of Na3VO3?
Is Na3VO3 a metal, semiconductor, or insulator?
Is Na3VO3 thermodynamically stable?
What is the crystal structure of Na3VO3?
How many polymorphs of Na3VO3 are known?
What elements does Na3VO3 contain?
Where does the data for Na3VO3 come from?
How It Compares
As a unique oxide in its structural class, Na3VO3 serves as a specialized example of how alkali metal-vanadate systems can adopt diverse metastable configurations, providing a distinct case study for researchers investigating non-equilibrium phase stability.
Data sources & attribution
- jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
- mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.
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