C3Os2
C3Os2 is a semiconducting binary compound of carbon and osmium that is currently studied for its diverse structural possibilities.

About C3Os2
C3Os2 is a binary compound composed of carbon and osmium. As a semiconducting material, it represents a specialized intersection of transition metal chemistry and carbon-based structural motifs, drawing interest for its unique electronic configuration.
Due to its position above the thermodynamic hull, this compound is considered potentially unstable under ambient conditions. Its existence in multiple reported structures across various databases highlights its role as a subject of ongoing computational exploration in materials science.
Key Properties
Cross-validated computational properties for C3Os2, 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.
Frequently Asked Questions
Common questions about C3Os2, answered from cross-validated data.
What is C3Os2?
C3Os2 is a semiconducting binary compound of carbon and osmium that is currently studied for its diverse structural possibilities.
What is the band gap of C3Os2?
Is C3Os2 a metal, semiconductor, or insulator?
Is C3Os2 thermodynamically stable?
How many polymorphs of C3Os2 are known?
What elements does C3Os2 contain?
Where does the data for C3Os2 come from?
How It Compares
As a unique binary phase in the carbon-osmium system, C3Os2 occupies a distinct niche where its semiconducting nature sets it apart from more conventional metallic or insulating binary compounds. It serves as a primary example of how complex carbon-metal architectures can be theoretically mapped even when thermodynamic stability remains a significant challenge.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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