La4Mo8O36Sb4
La4Mo8O36Sb4 is a thermodynamically stable, insulating quaternary oxide composed of lanthanum, molybdenum, antimony, and oxygen.
About La4Mo8O36Sb4
La4Mo8O36Sb4 is a complex quaternary oxide characterized by its wide-gap insulating electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that maintains structural integrity under standard conditions.
This material is of interest to researchers investigating the interplay between lanthanum, molybdenum, and antimony within an oxygen-rich lattice. Its stability and insulating behavior make it a subject of study for fundamental solid-state chemistry and potential specialized dielectric applications.
Key Properties
Cross-validated computational properties for La4Mo8O36Sb4, 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 La4Mo8O36Sb4, 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 | 3.28 | 0.0000 | -8.188 | 4.27 |
| C2/c (No. 15) | — | — | — | — | — |
| — | — | — | — | — | 4.39 |
Applications
Where La4Mo8O36Sb4 is used.
Frequently Asked Questions
Common questions about La4Mo8O36Sb4, answered from cross-validated data.
What is La4Mo8O36Sb4?
La4Mo8O36Sb4 is a thermodynamically stable, insulating quaternary oxide composed of lanthanum, molybdenum, antimony, and oxygen.
What is La4Mo8O36Sb4 used for?
What is the band gap of La4Mo8O36Sb4?
Is La4Mo8O36Sb4 a metal, semiconductor, or insulator?
Is La4Mo8O36Sb4 thermodynamically stable?
What is the crystal structure of La4Mo8O36Sb4?
What is the density of La4Mo8O36Sb4?
How many polymorphs of La4Mo8O36Sb4 are known?
What elements does La4Mo8O36Sb4 contain?
Where does the data for La4Mo8O36Sb4 come from?
How It Compares
As a unique quaternary oxide, La4Mo8O36Sb4 serves as a distinct example of how lanthanum and molybdenum can be integrated into a stable framework with antimony. Unlike simpler binary or ternary oxides, this compound demonstrates the structural complexity achievable in multi-element systems, providing a benchmark for stability in complex insulating materials.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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