Sb6O13
Sb6O13 is a semiconducting antimony oxide that exists in a near-hull thermodynamic state, making it a target for synthesis and structural study.

About Sb6O13
Sb6O13 is a semiconducting oxide composed of antimony and oxygen. It is characterized by its near-hull thermodynamic stability, suggesting that it is a viable candidate for synthesis and experimental investigation within the broader family of antimony-based oxides. The material exhibits a complex structural framework, with multiple reported configurations documented across materials databases. This structural diversity makes it a subject of interest for researchers exploring the relationship between stoichiometry and electronic properties in binary metal oxides. Its semiconducting nature positions it as a potential candidate for specialized electronic or optoelectronic applications where precise band gap tuning is required.
Key Properties
Cross-validated computational properties for Sb6O13, 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 Sb6O13, 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. |
|---|---|---|---|---|---|
| P21/m (No. 11) | monoclinic | 1.54 | 0.0240 | -6.471 | 5.70 |
| Imm2 (No. 44) | orthorhombic | 1.81 | 0.0293 | -6.465 | 5.71 |
| Imm2 (No. 44) | Orthorhombic | — | — | — | 5.52 |
| Imm2 (No. 44) | Orthorhombic | — | — | — | 5.99 |
| Imm2 (No. 44) | — | — | — | — | — |
| Imm2 (No. 44) | Orthorhombic | — | — | — | 5.71 |
Applications
Where Sb6O13 is used.
Frequently Asked Questions
Common questions about Sb6O13, answered from cross-validated data.
What is Sb6O13?
Sb6O13 is a semiconducting antimony oxide that exists in a near-hull thermodynamic state, making it a target for synthesis and structural study.
What is Sb6O13 used for?
What is the band gap of Sb6O13?
Is Sb6O13 a metal, semiconductor, or insulator?
Is Sb6O13 thermodynamically stable?
What is the crystal structure of Sb6O13?
What is the density of Sb6O13?
How many polymorphs of Sb6O13 are known?
What elements does Sb6O13 contain?
Where does the data for Sb6O13 come from?
How It Compares
As a member of the antimony-oxygen system, Sb6O13 occupies a distinct compositional niche. While many binary oxides in this class are well-known, this specific stoichiometry represents a more nuanced phase that bridges the gap between simpler oxides, offering unique structural arrangements that are not present in more common, highly stable antimony oxide phases.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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