As8O28Rb4Sc4
As8O28Rb4Sc4 is a stable, insulating compound containing arsenic, oxygen, rubidium, and scandium.

About As8O28Rb4Sc4
As8O28Rb4Sc4 is a complex inorganic compound composed of arsenic, oxygen, rubidium, and scandium. It is characterized as a wide-band-gap insulator, indicating that it does not readily conduct electricity under standard conditions.
This material is noted for its thermodynamic stability, as it resides on the convex hull of its constituent elements. Its structural integrity makes it a subject of interest for fundamental solid-state chemistry and materials science investigations.
Key Properties
Cross-validated computational properties for As8O28Rb4Sc4, 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.
Frequently Asked Questions
Common questions about As8O28Rb4Sc4, answered from cross-validated data.
What is As8O28Rb4Sc4?
As8O28Rb4Sc4 is a stable, insulating compound containing arsenic, oxygen, rubidium, and scandium.
What is the band gap of As8O28Rb4Sc4?
Is As8O28Rb4Sc4 a metal, semiconductor, or insulator?
Is As8O28Rb4Sc4 thermodynamically stable?
How many polymorphs of As8O28Rb4Sc4 are known?
What elements does As8O28Rb4Sc4 contain?
Where does the data for As8O28Rb4Sc4 come from?
How It Compares
As an unclassified material with limited structural data available, As8O28Rb4Sc4 represents a unique chemical system. Without direct siblings in its immediate class, it serves as a distinct point of study for understanding how rubidium and scandium cations interact within an arsenate-based framework.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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