Os1Rh1Sc2
Os1Rh1Sc2 is a semiconducting ternary alloy composed of osmium, rhodium, and scandium that is being investigated for its potential in catalytic applications.
About Os1Rh1Sc2
Os1Rh1Sc2 is a ternary intermetallic compound belonging to the platinum-group alloy catalyst class. Characterized by its semiconducting electronic nature, this material represents a unique combination of transition metals that bridges the gap between traditional metallic catalysts and functional semiconductors. Its structural versatility is highlighted by a significant number of reported configurations within material databases.
As a near-hull phase, Os1Rh1Sc2 is considered a promising candidate for experimental synthesis. Its potential utility lies in its ability to leverage the catalytic properties of osmium and rhodium while maintaining a stable, semiconducting framework, making it a subject of interest for researchers exploring new materials for specialized chemical transformations.
Key Properties
Cross-validated computational properties for Os1Rh1Sc2, aggregated across 2 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 Os1Rh1Sc2, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 0.00 | 0.0035 | -8.514 | 9.61 |
| Immm (No. 71) | orthorhombic | 0.47 | 3.1445 | -5.373 | 0.78 |
| Cm (No. 8) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
Applications
Where Os1Rh1Sc2 is used.
Frequently Asked Questions
Common questions about Os1Rh1Sc2, answered from cross-validated data.
What is Os1Rh1Sc2?
Os1Rh1Sc2 is a semiconducting ternary alloy composed of osmium, rhodium, and scandium that is being investigated for its potential in catalytic applications.
What is Os1Rh1Sc2 used for?
What is the band gap of Os1Rh1Sc2?
Is Os1Rh1Sc2 a metal, semiconductor, or insulator?
Is Os1Rh1Sc2 thermodynamically stable?
What is the crystal structure of Os1Rh1Sc2?
What is the density of Os1Rh1Sc2?
How many polymorphs of Os1Rh1Sc2 are known?
What elements does Os1Rh1Sc2 contain?
Where does the data for Os1Rh1Sc2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the diverse landscape of platinum-group alloys, Os1Rh1Sc2 occupies a distinct niche compared to siblings like LaRh or As2Ir. While many members of this class exhibit metallic behavior, the semiconducting character of Os1Rh1Sc2 sets it apart, offering a different electronic environment for surface reactions compared to the more conventional metallic alloys in the group.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
Analyze Os1Rh1Sc2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →