Pt4Rb2Se6
Pt4Rb2Se6 is a stable, semiconducting platinum-group alloy used in advanced chemical and materials research.
About Pt4Rb2Se6
Pt4Rb2Se6 is a distinct semiconducting compound within the platinum-group alloy catalyst family. Its position on the convex hull indicates high thermodynamic stability, making it a robust candidate for specialized chemical and electronic research applications.
As a member of this complex material class, it leverages the unique electronic properties of platinum and selenium to facilitate catalytic activity. Its stability and semiconducting nature provide a foundation for investigating new pathways in heterogeneous catalysis and solid-state chemistry.
Key Properties
Cross-validated computational properties for Pt4Rb2Se6, 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.
Reported Structures
Lowest-energy structures reported for Pt4Rb2Se6, 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. |
|---|---|---|---|---|---|
| R-3m (No. 166) | trigonal | 1.01 | 0.0000 | -4.820 | 7.22 |
| — | — | — | — | — | 7.00 |
| R-3m (No. 166) | — | — | — | — | — |
Applications
Where Pt4Rb2Se6 is used.
Frequently Asked Questions
Common questions about Pt4Rb2Se6, answered from cross-validated data.
What is Pt4Rb2Se6?
Pt4Rb2Se6 is a stable, semiconducting platinum-group alloy used in advanced chemical and materials research.
What is Pt4Rb2Se6 used for?
What is the band gap of Pt4Rb2Se6?
Is Pt4Rb2Se6 a metal, semiconductor, or insulator?
Is Pt4Rb2Se6 thermodynamically stable?
What is the crystal structure of Pt4Rb2Se6?
What is the density of Pt4Rb2Se6?
How many polymorphs of Pt4Rb2Se6 are known?
What elements does Pt4Rb2Se6 contain?
Where does the data for Pt4Rb2Se6 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Unlike more common binary intermetallic compounds such as As2Pt or GeRu, Pt4Rb2Se6 incorporates alkali metal components to achieve its specific electronic configuration. While many members of this class focus on simple metallic bonding, this compound utilizes its complex stoichiometry to maintain stability while exhibiting semiconducting behavior, distinguishing it from simpler transition metal alloys like LaRh or BaPd.
Related Compounds
Other Platinum-Group Alloy Catalysts in the database.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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