As8O36S8
As8O36S8 is a thermodynamically stable, wide-gap insulating inorganic compound composed of arsenic, oxygen, and sulfur.
About As8O36S8
As8O36S8 is a complex inorganic compound characterized by its insulating electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement of arsenic, oxygen, and sulfur atoms that maintains integrity under standard conditions.
This material is notable for its structural diversity, supported by multiple reported configurations across various databases. Its wide-gap electronic profile suggests potential utility in specialized dielectric applications or as a precursor in the synthesis of complex chalcogenide-oxide frameworks.
Key Properties
Cross-validated computational properties for As8O36S8, 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 As8O36S8, 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/c (No. 14) | monoclinic | 4.13 | 0.0000 | -6.460 | 3.23 |
| Pc (No. 7) | monoclinic | 4.06 | 0.0017 | -6.458 | 2.90 |
| — | — | — | — | — | 2.89 |
| No. 0 | unknown | — | — | — | 1.62 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.81 |
Applications
Where As8O36S8 is used.
Frequently Asked Questions
Common questions about As8O36S8, answered from cross-validated data.
What is As8O36S8?
As8O36S8 is a thermodynamically stable, wide-gap insulating inorganic compound composed of arsenic, oxygen, and sulfur.
What is As8O36S8 used for?
What is the band gap of As8O36S8?
Is As8O36S8 a metal, semiconductor, or insulator?
Is As8O36S8 thermodynamically stable?
What is the crystal structure of As8O36S8?
What is the density of As8O36S8?
How many polymorphs of As8O36S8 are known?
What elements does As8O36S8 contain?
Where does the data for As8O36S8 come from?
How It Compares
As an unclassified material with a unique elemental composition, this compound serves as a distinct reference point for future studies into arsenic-based oxysulfides. Without direct structural siblings, it stands as a singular example of stable stoichiometry within this specific chemical space.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
Analyze As8O36S8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →