VP2O7
VP2O7 is a stable, semiconducting transition-metal phosphate used in materials research for its unique structural properties.
About VP2O7
VP2O7 is a transition-metal phosphate that exists as a thermodynamically stable phase on the convex hull. Its semiconducting electronic character makes it an intriguing candidate for research into advanced solid-state materials and electrochemical applications. The compound is well-documented in structural databases, reflecting its significance within the broader family of phosphate-based materials. By leveraging its stable framework, researchers continue to investigate its potential in energy storage and catalytic systems where structural integrity is paramount. Its ability to maintain stability while providing semiconducting behavior positions it as a valuable subject for fundamental materials science studies.
Key Properties
Cross-validated computational properties for VP2O7, aggregated across 4 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 VP2O7, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.32 | 0.0000 | -8.082 | 2.99 |
| P21/c (No. 14) | monoclinic | 1.29 | 0.0034 | -8.078 | 2.94 |
| P21/c (No. 14) | monoclinic | 1.43 | 0.0040 | -8.078 | 2.99 |
| P21 (No. 4) | monoclinic | 1.52 | 0.0047 | -8.077 | 2.98 |
| P21/c (No. 14) | monoclinic | 1.53 | 0.0294 | -8.052 | 3.00 |
| C2/c (No. 15) | monoclinic | 1.33 | 0.0313 | -8.051 | 3.06 |
| C2 (No. 5) | monoclinic | 1.37 | 0.0327 | -8.049 | 3.22 |
| C2/c (No. 15) | monoclinic | 2.77 | 0.0412 | -8.041 | 2.83 |
| P-1 (No. 2) | triclinic | 1.36 | 0.0676 | -8.014 | 2.70 |
| P-1 (No. 2) | triclinic | 1.20 | 0.0965 | -7.985 | 2.97 |
| P21/c (No. 14) | monoclinic | 1.33 | 0.1056 | -7.976 | 3.16 |
| I-42d (No. 122) | tetragonal | 0.00 | 0.1059 | -7.976 | 3.05 |
Applications
Where VP2O7 is used.
Frequently Asked Questions
Common questions about VP2O7, answered from cross-validated data.
What is VP2O7?
VP2O7 is a stable, semiconducting transition-metal phosphate used in materials research for its unique structural properties.
What is VP2O7 used for?
What is the band gap of VP2O7?
Is VP2O7 a metal, semiconductor, or insulator?
Is VP2O7 thermodynamically stable?
What is the crystal structure of VP2O7?
What is the density of VP2O7?
How many polymorphs of VP2O7 are known?
What elements does VP2O7 contain?
Where does the data for VP2O7 come from?
How It Compares
Within the transition-metal phosphates class.
Within the diverse family of transition-metal phosphates, VP2O7 occupies a distinct structural niche compared to well-known battery cathode materials like LiFePO4 or LiMnPO4. While many of its siblings are optimized for lithium-ion intercalation, VP2O7 serves as a robust pyrophosphate framework that contrasts with the olivine structures of its peers, offering a different pathway for ion transport and electronic modulation in advanced material designs.
Related Compounds
Other Transition-Metal Phosphates 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.
Analyze VP2O7 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →