VS4
Vanadium tetrasulfide · Patronite
Vanadium tetrasulfide is a naturally occurring mineral compound that serves as a primary source for the extraction of vanadium metal. It is characterized by its unique chain-like crystal structure and is frequently studied for its potential roles in advanced energy storage technologies.
Key Properties
Cross-validated computational properties for Vanadium tetrasulfide, 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 VS4, 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 | 0.92 | 0.0000 | -6.078 | 2.67 |
| Pm (No. 6) | Monoclinic | — | — | — | 2.63 |
| C2/c (No. 15) | Monoclinic | — | — | — | 2.45 |
| C2/c (No. 15) | Monoclinic | — | — | — | 2.49 |
| C2/c (No. 15) | Monoclinic | — | — | — | 2.43 |
| P1 (No. 1) | Triclinic | — | — | — | 2.70 |
| P1 (No. 1) | Triclinic | — | — | — | 2.88 |
| Cm (No. 8) | Monoclinic | — | — | — | 2.47 |
| No. 0 | unknown | — | — | — | 0.35 |
| No. 0 | unknown | — | — | — | 0.35 |
| C2/m (No. 12) | Monoclinic | — | — | — | 2.93 |
| P4mm (No. 99) | Tetragonal | — | — | — | 3.56 |
Applications
Where Vanadium tetrasulfide is used.
Frequently Asked Questions
Common questions about Vanadium tetrasulfide, answered from cross-validated data.
What is VS4?
Vanadium tetrasulfide is a naturally occurring mineral compound that serves as a primary source for the extraction of vanadium metal. It is characterized by its unique chain-like crystal structure and is frequently studied for its potential roles in advanced energy storage technologies.
What is VS4 used for?
What is the band gap of VS4?
Is VS4 a metal, semiconductor, or insulator?
Is VS4 thermodynamically stable?
What is the crystal structure of VS4?
What is the density of VS4?
How many polymorphs of VS4 are known?
What elements does VS4 contain?
Where does the data for VS4 come from?
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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