Rh2Sn1Zn1
Rh2Sn1Zn1 is a thermodynamically stable, semiconducting intermetallic alloy composed of rhodium, tin, and zinc used in catalytic research.
About Rh2Sn1Zn1
Rh2Sn1Zn1 is a specialized semiconducting alloy within the platinum-group metal family. Its position on the thermodynamic convex hull indicates high structural stability, making it a robust candidate for demanding chemical environments where phase integrity is essential.
This material is primarily investigated for its catalytic potential, leveraging the unique electronic interactions between rhodium, tin, and zinc. Its semiconducting nature distinguishes it from purely metallic counterparts, offering tunable electronic properties for surface-mediated reactions.
Key Properties
Cross-validated computational properties for Rh2Sn1Zn1, 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 Rh2Sn1Zn1, 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 | 0.0000 | -5.486 | 10.79 |
| Immm (No. 71) | orthorhombic | 0.21 | 2.4672 | -3.019 | 0.78 |
| Cm (No. 8) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| Imm2 (No. 44) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Rh2Sn1Zn1 is used.
Frequently Asked Questions
Common questions about Rh2Sn1Zn1, answered from cross-validated data.
What is Rh2Sn1Zn1?
Rh2Sn1Zn1 is a thermodynamically stable, semiconducting intermetallic alloy composed of rhodium, tin, and zinc used in catalytic research.
What is Rh2Sn1Zn1 used for?
What is the band gap of Rh2Sn1Zn1?
Is Rh2Sn1Zn1 a metal, semiconductor, or insulator?
Is Rh2Sn1Zn1 thermodynamically stable?
What is the crystal structure of Rh2Sn1Zn1?
What is the density of Rh2Sn1Zn1?
How many polymorphs of Rh2Sn1Zn1 are known?
What elements does Rh2Sn1Zn1 contain?
Where does the data for Rh2Sn1Zn1 come from?
How It Compares
Within the platinum-group alloy catalysts class.
Unlike metallic catalysts such as LaRh or BaPd, Rh2Sn1Zn1 exhibits semiconducting behavior, which allows for distinct charge transport characteristics during catalytic cycles. While many platinum-group alloys in this class are characterized by metallic bonding, this compound provides a stable, non-metallic alternative that bridges the gap between traditional intermetallics and semiconductor-based catalysts.
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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