CdMg2Pt
This compound is a ternary intermetallic material composed of cadmium, magnesium, and platinum. It is primarily studied in materials science research to understand its specific crystalline structure and electronic properties.
Overview
Key Properties
Cross-validated computational properties for CdMg2Pt, 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.
0.07 eV
Range across DFT structures
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.
1.679 eV/atom
Best (lowest) across sources
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.
Above hull
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
3
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for CdMg2Pt, 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 | 0.07 | 1.6793 | -1.410 | 0.57 |
| Pmm2 (No. 25) | — | — | — | — | — |
| — | — | — | — | — | 8.15 |
Uses
Applications
Where CdMg2Pt is used.
Materials science researchSolid-state chemistry studies
Reference
Frequently Asked Questions
Common questions about CdMg2Pt, answered from cross-validated data.
What is CdMg2Pt?
This compound is a ternary intermetallic material composed of cadmium, magnesium, and platinum. It is primarily studied in materials science research to understand its specific crystalline structure and electronic properties.
What is CdMg2Pt used for?
CdMg2Pt is used in materials science research and solid-state chemistry studies.
What is the band gap of CdMg2Pt?
CdMg2Pt has a DFT-computed band gap of 0.07 eV across 3 reported structures.
Is CdMg2Pt a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is CdMg2Pt thermodynamically stable?
CdMg2Pt has a lowest energy above hull of 1.679 eV/atom (above hull).
What is the crystal structure of CdMg2Pt?
The lowest-energy reported polymorph of CdMg2Pt is orthorhombic symmetry, space group Immm (No. 71).
What is the density of CdMg2Pt?
The computed density of the ground-state structure of CdMg2Pt is 0.57 g/cm³.
How many polymorphs of CdMg2Pt are known?
3 structures of CdMg2Pt are reported across 3 databases, spanning 2 distinct space groups.
What elements does CdMg2Pt contain?
CdMg2Pt contains Cd, Mg, and Pt (3 elements).
Where does the data for CdMg2Pt come from?
CdMg2Pt data is cross-referenced from materials_project, nomad, omat24.
Explore
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).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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