Mo2O3
molybdenum sesquioxide · molybdenum(III) oxide
Molybdenum sesquioxide is an inorganic oxide of molybdenum that typically appears as a dark solid. It is primarily utilized as a precursor in the synthesis of various molybdenum-based materials and as a component in specialized catalytic processes.
Key Properties
Cross-validated computational properties for molybdenum sesquioxide, 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.
Reported Structures
Lowest-energy structures reported for Mo2O3, 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. |
|---|---|---|---|---|---|
| Cmcm (No. 63) | orthorhombic | 0.52 | 0.3291 | -8.797 | 5.51 |
| Cm (No. 8) | Monoclinic | — | — | — | 7.45 |
| Cm (No. 8) | Monoclinic | — | — | — | 7.37 |
| Cm (No. 8) | Monoclinic | — | — | — | 7.55 |
| I4/mmm (No. 139) | Tetragonal | — | — | — | 7.72 |
| Cm (No. 8) | Monoclinic | — | — | — | 4.27 |
| P1 (No. 1) | Triclinic | — | — | — | 9.12 |
| P1 (No. 1) | Triclinic | — | — | — | 7.14 |
| R3m (No. 160) | Trigonal | — | — | — | 6.85 |
| Cm (No. 8) | Monoclinic | — | — | — | 9.92 |
| I4/mmm (No. 139) | Tetragonal | — | — | — | 8.58 |
| Cm (No. 8) | Monoclinic | — | — | — | 6.53 |
Applications
Where molybdenum sesquioxide is used.
Frequently Asked Questions
Common questions about molybdenum sesquioxide, answered from cross-validated data.
What is Mo2O3?
Molybdenum sesquioxide is an inorganic oxide of molybdenum that typically appears as a dark solid. It is primarily utilized as a precursor in the synthesis of various molybdenum-based materials and as a component in specialized catalytic processes.
What is Mo2O3 used for?
What is the band gap of Mo2O3?
Is Mo2O3 a metal, semiconductor, or insulator?
Is Mo2O3 thermodynamically stable?
What is the crystal structure of Mo2O3?
What is the density of Mo2O3?
How many polymorphs of Mo2O3 are known?
What elements does Mo2O3 contain?
Where does the data for Mo2O3 come from?
Related Compounds
Other Conversion Oxide Anodes 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.
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