Cr2CuS4
Cr2CuS4 is a thermodynamically stable metallic sulfide compound known for its structural diversity and potential utility in materials science research.
About Cr2CuS4
Cr2CuS4 is a metallic sulfide compound characterized by its high thermodynamic stability, as evidenced by its position on the convex hull. Its electronic nature as a metal makes it a subject of interest for researchers investigating conductive inorganic materials. The compound exhibits significant structural diversity, with numerous reported configurations across major databases. This structural richness suggests a complex landscape of potential phases that can be explored for various physical properties. As a stable metallic system, it serves as a foundational material for studying transition metal sulfide interactions and their resulting electronic behaviors in solid-state chemistry.
Key Properties
Cross-validated computational properties for Cr2CuS4, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Cr2CuS4. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Applications
Where Cr2CuS4 is used.
Frequently Asked Questions
Common questions about Cr2CuS4, answered from cross-validated data.
What is Cr2CuS4?
Cr2CuS4 is a thermodynamically stable metallic sulfide compound known for its structural diversity and potential utility in materials science research.
What is Cr2CuS4 used for?
What is the band gap of Cr2CuS4?
Is Cr2CuS4 a metal, semiconductor, or insulator?
Is Cr2CuS4 thermodynamically stable?
How many polymorphs of Cr2CuS4 are known?
What elements does Cr2CuS4 contain?
Where does the data for Cr2CuS4 come from?
How It Compares
As a thermodynamically stable metallic sulfide, Cr2CuS4 serves as a benchmark for understanding the structural and electronic behavior of complex ternary transition metal sulfides. Without direct structural siblings in this specific dataset, it acts as a primary reference point for investigating how copper and chromium ions integrate within a sulfur framework to maintain metallic conductivity.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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