Mo8O36Sb4Y4
Mo8O36Sb4Y4 is a metastable, wide-gap insulating quaternary oxide containing molybdenum, oxygen, antimony, and yttrium.
About Mo8O36Sb4Y4
Mo8O36Sb4Y4 is a complex quaternary oxide characterized by its insulating electronic nature and wide band gap. As a metastable phase, it represents a unique structural arrangement of molybdenum, oxygen, antimony, and yttrium, offering a distinct chemical environment for study in solid-state chemistry.
Its significance lies in its complex stoichiometry, which provides researchers with a rare structural archetype for investigating metal-oxide interactions. While its metastability requires careful synthesis considerations, it serves as a valuable subject for understanding how structural complexity influences the fundamental electronic properties of insulating oxides.
Key Properties
Cross-validated computational properties for Mo8O36Sb4Y4, 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 Mo8O36Sb4Y4, 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 | 3.21 | 0.0343 | -8.280 | 4.25 |
| — | — | — | — | — | 4.25 |
| C2/c (No. 15) | — | — | — | — | — |
Applications
Where Mo8O36Sb4Y4 is used.
Frequently Asked Questions
Common questions about Mo8O36Sb4Y4, answered from cross-validated data.
What is Mo8O36Sb4Y4?
Mo8O36Sb4Y4 is a metastable, wide-gap insulating quaternary oxide containing molybdenum, oxygen, antimony, and yttrium.
What is Mo8O36Sb4Y4 used for?
What is the band gap of Mo8O36Sb4Y4?
Is Mo8O36Sb4Y4 a metal, semiconductor, or insulator?
Is Mo8O36Sb4Y4 thermodynamically stable?
What is the crystal structure of Mo8O36Sb4Y4?
What is the density of Mo8O36Sb4Y4?
How many polymorphs of Mo8O36Sb4Y4 are known?
What elements does Mo8O36Sb4Y4 contain?
Where does the data for Mo8O36Sb4Y4 come from?
How It Compares
As a unique quaternary oxide, Mo8O36Sb4Y4 occupies a specialized niche in materials science. Without direct structural siblings, it serves as an important reference point for exploring the stability and electronic behavior of mixed-metal molybdates, highlighting the diverse structural possibilities inherent in multi-component oxide systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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