CaCrO4

calcium chromate · calcium chromate(VI)

Calcium chromate is a stable, semiconducting oxide compound utilized in various industrial and catalytic applications.

Crystal structure of CaCrO4
Ground-state structure · Materials Project
Overview

About calcium chromate

Calcium chromate is a thermodynamically stable compound that functions as a semiconducting oxide. Its structural integrity and electronic properties make it a subject of interest for researchers investigating catalytic pathways in inorganic systems.

As a member of the broader class of oxide catalysts, this material is valued for its specific chemical reactivity. It is frequently studied for its potential in specialized industrial processes where stable, semiconducting oxides are required to facilitate complex chemical transformations.

At a glance

Key Properties

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

Band Gap

2.37 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

5
3 databases, 1 space group
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CaCrO4.

Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where calcium chromate is used.

Corrosion inhibitionPigment productionChemical catalystBattery electrolyte additive
Reference

Frequently Asked Questions

Common questions about calcium chromate, answered from cross-validated data.

What is CaCrO4?

Calcium chromate is a stable, semiconducting oxide compound utilized in various industrial and catalytic applications.

More questions
What is CaCrO4 used for?
calcium chromate (CaCrO4) is used in corrosion inhibition, pigment production, chemical catalyst, and battery electrolyte additive.
What is the band gap of CaCrO4?
calcium chromate (CaCrO4) has a DFT-computed band gap of 2.37 eV across 5 reported structures.
Is CaCrO4 a metal, semiconductor, or insulator?
With a band gap up to 2.37 eV it is a semiconductor.
Is CaCrO4 thermodynamically stable?
Yes — calcium chromate (CaCrO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CaCrO4 are known?
5 structures of CaCrO4 are reported across 3 databases, spanning 1 distinct space group.
How is CaCrO4 synthesized?
Literature-reported routes for CaCrO4 include sol gel, solid state (2 procedures documented).
What elements does CaCrO4 contain?
calcium chromate (CaCrO4) contains Ca, Cr, and O (3 elements).
Where does the data for CaCrO4 come from?
CaCrO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the spinel oxide catalysts class.

Within the diverse family of oxide catalysts, calcium chromate occupies a distinct position compared to more common binary oxides like ZnO or NiO. While materials such as LaMnO3 or LaNiO3 are often highlighted for their complex perovskite structures, calcium chromate provides a different structural framework that allows for unique catalytic activity in specific chemical environments.

Explore

Related Compounds

Other Spinel Oxide Catalysts in the database.

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

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