V2Pb3O8
V2Pb3O8 is a stable, wide-band-gap insulating oxide containing lead and vanadium.
About V2Pb3O8
V2Pb3O8 is a complex oxide composed of lead, vanadium, and oxygen. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that is well-documented across multiple structural databases. Its insulating electronic character defines its behavior as a wide-band-gap material, making it a subject of interest for fundamental studies in solid-state chemistry.
Because of its stable nature and distinct stoichiometry, this compound serves as a key reference point for researchers investigating the phase space of ternary lead-vanadium oxides. Its structural complexity and stability suggest potential utility in specialized electronic or optical applications where insulating properties are required.
Key Properties
Cross-validated computational properties for V2Pb3O8, 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 V2Pb3O8, 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. |
|---|---|---|---|---|---|
| C2 (No. 5) | monoclinic | 2.98 | 0.0000 | -7.366 | 7.14 |
| P21/c (No. 14) | monoclinic | 3.05 | 0.0001 | -7.366 | 7.02 |
| R-3m (No. 166) | trigonal | 3.05 | 0.0327 | -7.333 | 7.15 |
| R-3m (No. 166) | — | — | — | — | — |
| C2 (No. 5) | — | — | — | — | — |
| C2 (No. 5) | Monoclinic | — | — | — | 6.71 |
| C2 (No. 5) | Monoclinic | — | — | — | 7.25 |
| C2 (No. 5) | Monoclinic | — | — | — | 6.89 |
| R-3m (No. 166) | Trigonal | — | — | — | 7.73 |
| R-3m (No. 166) | Trigonal | — | — | — | 7.15 |
| P21/c (No. 14) | Monoclinic | — | — | — | 6.61 |
| P21/c (No. 14) | Monoclinic | — | — | — | 7.14 |
Applications
Where V2Pb3O8 is used.
Frequently Asked Questions
Common questions about V2Pb3O8, answered from cross-validated data.
What is V2Pb3O8?
V2Pb3O8 is a stable, wide-band-gap insulating oxide containing lead and vanadium.
What is V2Pb3O8 used for?
What is the band gap of V2Pb3O8?
Is V2Pb3O8 a metal, semiconductor, or insulator?
Is V2Pb3O8 thermodynamically stable?
What is the crystal structure of V2Pb3O8?
What is the density of V2Pb3O8?
How many polymorphs of V2Pb3O8 are known?
What elements does V2Pb3O8 contain?
Where does the data for V2Pb3O8 come from?
How It Compares
As a singular entry in this specific compositional space, V2Pb3O8 serves as a foundational benchmark for understanding the stability and structural diversity of complex lead-vanadium oxides.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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