Cd1Pb1Pd2
Cd1Pb1Pd2 is a semiconducting ternary alloy composed of cadmium, lead, and palladium that is studied for its potential roles in catalytic applications.
About Cd1Pb1Pd2
Cd1Pb1Pd2 is a specialized intermetallic compound categorized within the platinum-group alloy catalysts. Characterized by its semiconducting electronic nature, this material represents a complex arrangement of cadmium, lead, and palladium atoms that has been documented across multiple structural configurations. Its existence as a metastable phase suggests unique synthesis pathways are required to stabilize its atomic architecture. Because of its specific electronic properties, it serves as a subject of interest for researchers investigating the catalytic potential of ternary alloys containing heavy metals. While it resides above the thermodynamic hull, its structural diversity highlights the intricate phase space accessible to palladium-based systems.
Key Properties
Cross-validated computational properties for Cd1Pb1Pd2, 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 Cd1Pb1Pd2, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.60 | 1.5598 | -2.525 | 0.86 |
| C2/m (No. 12) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| Pmm2 (No. 25) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| Pm (No. 6) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Cd1Pb1Pd2 is used.
Frequently Asked Questions
Common questions about Cd1Pb1Pd2, answered from cross-validated data.
What is Cd1Pb1Pd2?
Cd1Pb1Pd2 is a semiconducting ternary alloy composed of cadmium, lead, and palladium that is studied for its potential roles in catalytic applications.
What is Cd1Pb1Pd2 used for?
What is the band gap of Cd1Pb1Pd2?
Is Cd1Pb1Pd2 a metal, semiconductor, or insulator?
Is Cd1Pb1Pd2 thermodynamically stable?
What is the crystal structure of Cd1Pb1Pd2?
What is the density of Cd1Pb1Pd2?
How many polymorphs of Cd1Pb1Pd2 are known?
What elements does Cd1Pb1Pd2 contain?
Where does the data for Cd1Pb1Pd2 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Within the broader family of platinum-group alloys, Cd1Pb1Pd2 occupies a distinct position compared to more conventional metallic phases like BaPd or LaRh. While many of its siblings exhibit metallic conductivity, the semiconducting nature of this compound sets it apart, offering a different electronic profile than the more common ruthenium-based catalysts such as GeRu or Ga2Ru. Its structural complexity, evidenced by numerous reported configurations, mirrors the diversity seen in other complex pnictide or chalcogenide-based catalysts like As2Ir or IrSe2, despite its unique elemental composition.
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).
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