BiMgRh2
This compound is a complex intermetallic material composed of bismuth, magnesium, and rhodium. It is primarily studied in academic research settings for its unique structural properties and potential electronic characteristics.
Overview
Key Properties
Cross-validated computational properties for BiMgRh2, 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.
0.03 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.
2.466 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.
4
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for BiMgRh2, 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 | 0.03 | 2.4660 | -2.904 | 0.80 |
| F-43m (No. 216) | — | — | — | — | — |
| — | — | — | — | — | 10.53 |
| — | — | — | — | — | 9.34 |
Uses
Applications
Where BiMgRh2 is used.
Materials science researchSolid-state chemistry studies
Reference
Frequently Asked Questions
Common questions about BiMgRh2, answered from cross-validated data.
What is BiMgRh2?
This compound is a complex intermetallic material composed of bismuth, magnesium, and rhodium. It is primarily studied in academic research settings for its unique structural properties and potential electronic characteristics.
What is BiMgRh2 used for?
BiMgRh2 is used in materials science research and solid-state chemistry studies.
What is the band gap of BiMgRh2?
BiMgRh2 has a DFT-computed band gap of 0.03 eV across 4 reported structures.
Is BiMgRh2 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is BiMgRh2 thermodynamically stable?
BiMgRh2 has a lowest energy above hull of 2.466 eV/atom (above hull).
What is the crystal structure of BiMgRh2?
The lowest-energy reported polymorph of BiMgRh2 is orthorhombic symmetry, space group Immm (No. 71).
What is the density of BiMgRh2?
The computed density of the ground-state structure of BiMgRh2 is 0.80 g/cm³.
How many polymorphs of BiMgRh2 are known?
4 structures of BiMgRh2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does BiMgRh2 contain?
BiMgRh2 contains Bi, Mg, and Rh (3 elements).
Where does the data for BiMgRh2 come from?
BiMgRh2 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).
Analyze BiMgRh2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →