Cr3O5

Cr3O5 is a semiconducting chromium oxide catalyst that is studied for its potential chemical reactivity despite its inherent thermodynamic instability.

Crystal structure of Cr3O5
Ground-state structure · Materials Project
Overview

About Cr3O5

Cr3O5 is a semiconducting oxide that belongs to the broader family of spinel-related catalysts. It is characterized by a complex structural arrangement, with multiple reported configurations reflecting its intricate chemistry within the chromium-oxygen system. While it is an interesting subject for materials science research, it is noted for being thermodynamically unstable relative to other phases in its compositional space.

Because of its electronic properties, this compound is primarily investigated for its potential role in catalytic processes. Its ability to facilitate chemical reactions makes it a candidate for specialized industrial applications where semiconducting oxides are required to manage electron transfer or surface reactivity.

At a glance

Key Properties

Cross-validated computational properties for Cr3O5, aggregated across 3 databases.

Band Gap

0.70 eV
Range across DFT structures

Energy Above Hull

0.360 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

11
3 databases, 6 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Cr3O5.

Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Cr3O5 is used.

Catalysis researchSemiconductor materials development
Reference

Frequently Asked Questions

Common questions about Cr3O5, answered from cross-validated data.

What is Cr3O5?

Cr3O5 is a semiconducting chromium oxide catalyst that is studied for its potential chemical reactivity despite its inherent thermodynamic instability.

More questions
What is Cr3O5 used for?
Cr3O5 is used in catalysis research and semiconductor materials development.
What is the band gap of Cr3O5?
Cr3O5 has a DFT-computed band gap of 0.70 eV across 11 reported structures.
Is Cr3O5 a metal, semiconductor, or insulator?
With a band gap up to 0.70 eV it is a semiconductor.
Is Cr3O5 thermodynamically stable?
Cr3O5 has a lowest energy above hull of 0.360 eV/atom (above hull).
How many polymorphs of Cr3O5 are known?
11 structures of Cr3O5 are reported across 3 databases, spanning 6 distinct space groups.
How is Cr3O5 synthesized?
Literature-reported routes for Cr3O5 include solid state (2 procedures documented).
What elements does Cr3O5 contain?
Cr3O5 contains Cr and O (2 elements).
Where does the data for Cr3O5 come from?
Cr3O5 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the spinel oxide catalysts class.

Unlike highly stable and widely utilized spinel members such as MgAl2O4 or simple binary oxides like NiO and ZnO, Cr3O5 exists in a more precarious thermodynamic state. While materials like LaMnO3 or LaNiO3 are frequently employed for their robust perovskite-based catalytic activity, Cr3O5 represents a more challenging, less conventional member of the oxide catalyst class that requires careful synthesis due to its position above the stability hull.

Explore

Related Compounds

Other Spinel Oxide Catalysts in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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