AsRhSe

AsRhSe is a thermodynamically stable, semiconducting platinum-group alloy catalyst used in specialized chemical research.

Crystal structure of AsRhSe (cubic, P213 (No. 198))
Ground-state structure · Materials Project
Overview

About AsRhSe

AsRhSe is a distinct member of the platinum-group alloy catalyst family, characterized by its semiconducting electronic nature. As a thermodynamically stable compound residing on the convex hull, it represents a robust phase within its compositional space, supported by extensive structural data across multiple databases. Its unique combination of arsenic, rhodium, and selenium allows it to serve as a specialized material in catalytic research. The material is primarily investigated for its potential to facilitate chemical transformations where stable, semiconducting substrates are required to optimize reaction pathways. Its presence on the convex hull suggests a high degree of structural integrity, making it a reliable candidate for long-term catalytic applications in demanding environments.

At a glance

Key Properties

Cross-validated computational properties for AsRhSe, aggregated across 4 databases.

Band Gap

0.91 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
3 DFT sources

Structures

6
4 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for AsRhSe, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P213 (No. 198)cubic0.910.0000-18.3858.01
Pmmn (No. 59)Orthorhombic7.24
Pmmn (No. 59)Orthorhombic4.68
Pmmn (No. 59)Orthorhombic5.63
P213 (No. 198)
7.45
Uses

Applications

Where AsRhSe is used.

Heterogeneous catalysisChemical synthesis researchElectronic materials development
Reference

Frequently Asked Questions

Common questions about AsRhSe, answered from cross-validated data.

What is AsRhSe?

AsRhSe is a thermodynamically stable, semiconducting platinum-group alloy catalyst used in specialized chemical research.

More questions
What is AsRhSe used for?
AsRhSe is used in heterogeneous catalysis, chemical synthesis research, and electronic materials development.
What is the band gap of AsRhSe?
AsRhSe has a DFT-computed band gap of 0.91 eV across 6 reported structures.
Is AsRhSe a metal, semiconductor, or insulator?
With a band gap up to 0.91 eV it is a semiconductor.
Is AsRhSe thermodynamically stable?
Yes — AsRhSe sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of AsRhSe?
The lowest-energy reported polymorph of AsRhSe is cubic symmetry, space group P213 (No. 198).
What is the density of AsRhSe?
The computed density of the ground-state structure of AsRhSe is 8.01 g/cm³.
How many polymorphs of AsRhSe are known?
6 structures of AsRhSe are reported across 4 databases, spanning 2 distinct space groups.
What elements does AsRhSe contain?
AsRhSe contains As, Rh, and Se (3 elements).
Where does the data for AsRhSe come from?
AsRhSe data is cross-referenced from materials_project, mpaloe, jarvis, omat24.
Comparison

How It Compares

Within the platinum-group alloy catalysts class.

Within the diverse class of platinum-group alloy catalysts, AsRhSe occupies a unique niche compared to more metallic counterparts like LaRh or BaPd. While many members of this group exhibit metallic behavior, AsRhSe distinguishes itself through its semiconducting character, placing it in a specialized subset alongside compounds like IrSe2. Its thermodynamic stability ensures it remains a competitive candidate for catalytic cycles where structural persistence is as critical as electronic performance.

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).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

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