LiO7P2V
LiO7P2V has a DFT band gap of 0.18–2.59 eV across 24 reported structures in 9 space groups; its reference structure is monoclinic (P21 (No. 4)). Cross-validated across 2 computational databases.
Key Properties
Cross-validated computational properties for LiO7P2V, 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 LiO7P2V. Tight agreement means computed properties can be trusted without re-running calculations.
Only 1 independent DFT source (materials_project) reports a hull energy for LiO7P2V, so cross-source agreement can't be assessed yet.
Reported Structures
Lowest-energy structures reported for LiO7P2V, 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/c (No. 15) | monoclinic | 2.15 | 0.0000 | -7.851 | 3.04 |
| C2 (No. 5) | monoclinic | 2.02 | 0.0070 | -7.844 | 3.18 |
| P-1 (No. 2) | triclinic | 2.16 | 0.0110 | -7.840 | 2.99 |
| P21/c (No. 14) | monoclinic | 0.00 | 0.0163 | -7.835 | 2.97 |
| P21/c (No. 14) | monoclinic | 2.07 | 0.0177 | -7.833 | 2.94 |
| P-1 (No. 2) | triclinic | 1.99 | 0.0236 | -7.827 | 3.04 |
| P21/c (No. 14) | monoclinic | 2.05 | 0.0275 | -7.824 | 3.18 |
| P1 (No. 1) | triclinic | 2.14 | 0.0282 | -7.823 | 2.91 |
| C2/m (No. 12) | monoclinic | 1.91 | 0.0289 | -7.822 | 3.04 |
| P21/c (No. 14) | monoclinic | 2.05 | 0.0297 | -7.821 | 3.05 |
| P1 (No. 1) | triclinic | 1.96 | 0.0324 | -7.819 | 2.77 |
| P21 (No. 4) | monoclinic | 2.13 | 0.0325 | -7.818 | 2.82 |
Frequently Asked Questions
Common questions about LiO7P2V, answered from cross-validated data.
What is the band gap of LiO7P2V?
LiO7P2V has a DFT-computed band gap of 0.18–2.59 eV across 24 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is LiO7P2V a metal, semiconductor, or insulator?
Is LiO7P2V thermodynamically stable?
What is the crystal structure of LiO7P2V?
What is the density of LiO7P2V?
How many polymorphs of LiO7P2V are known?
What elements does LiO7P2V contain?
Where does the data for LiO7P2V come from?
Related Compounds
Other Vanadium Phosphate Cathodes in the database.
Data sources & attribution
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
- nomad — Data from NOMAD (nomad-lab.eu). Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019). (CC-BY-4.0)
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