Ag40O32Si8
This complex inorganic compound is a silver-based silicate material. It is primarily studied in academic research for its structural properties and potential roles in advanced materials science.
AgOSi
Overview
Key Properties
Cross-validated computational properties for Ag40O32Si8, 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.
0.71 eV
Range across DFT structures
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.
0.047 eV/atom
Best (lowest) across sources
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.
Metastable
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
4
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for Ag40O32Si8, 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. |
|---|---|---|---|---|---|
| Pnnm (No. 58) | orthorhombic | 0.71 | 0.0467 | -5.068 | 7.07 |
| — | — | — | — | — | 7.06 |
| — | — | — | — | — | 7.06 |
| No. 0 | unknown | — | — | — | 0.60 |
Uses
Applications
Where Ag40O32Si8 is used.
Materials science researchSolid-state chemistry studies
Reference
Frequently Asked Questions
Common questions about Ag40O32Si8, answered from cross-validated data.
What is Ag40O32Si8?
This complex inorganic compound is a silver-based silicate material. It is primarily studied in academic research for its structural properties and potential roles in advanced materials science.
More questions
What is Ag40O32Si8 used for?
Ag40O32Si8 is used in materials science research and solid-state chemistry studies.
What is the band gap of Ag40O32Si8?
Ag40O32Si8 has a DFT-computed band gap of 0.71 eV across 4 reported structures.
Is Ag40O32Si8 a metal, semiconductor, or insulator?
With a band gap up to 0.71 eV it is a semiconductor.
Is Ag40O32Si8 thermodynamically stable?
Ag40O32Si8 has a lowest energy above hull of 0.047 eV/atom (metastable).
What is the crystal structure of Ag40O32Si8?
The lowest-energy reported polymorph of Ag40O32Si8 is orthorhombic symmetry, space group Pnnm (No. 58).
What is the density of Ag40O32Si8?
The computed density of the ground-state structure of Ag40O32Si8 is 7.07 g/cm³.
How many polymorphs of Ag40O32Si8 are known?
4 structures of Ag40O32Si8 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Ag40O32Si8 contain?
Ag40O32Si8 contains Ag, O, and Si (3 elements).
Where does the data for Ag40O32Si8 come from?
Ag40O32Si8 data is cross-referenced from materials_project, omat24, cod.
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).
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