Li2CrO4

Lithium chromate · Lithium chromate(VI)

Lithium chromate is a yellow, water-soluble inorganic salt that serves as a source of lithium and chromate ions. It is primarily utilized in industrial settings for its chemical properties as a corrosion inhibitor and as a component in specialized chemical synthesis.

Crystal structure of Li2CrO4 (trigonal, R-3 (No. 148))
Ground-state structure · Materials Project
Overview

Key Properties

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

Band Gap

2.49–3.08 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 5 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Li2CrO4, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R-3 (No. 148)trigonal2.970.0000-6.8402.49
Pmn21 (No. 31)orthorhombic3.080.0203-6.8202.38
P-1 (No. 2)triclinic2.890.0496-6.7912.32
P1 (No. 1)triclinic2.510.0704-6.7702.34
Pc (No. 7)monoclinic2.490.0981-6.7422.33
P1 (No. 1)
Pmn21 (No. 31)Orthorhombic2.38
P1 (No. 1)
P-1 (No. 2)Triclinic2.37
P1 (No. 1)Triclinic2.34
Pmn21 (No. 31)
P1 (No. 1)Triclinic2.49
Uses

Applications

Where Lithium chromate is used.

Corrosion inhibitionChemical synthesisLaboratory reagent
Reference

Frequently Asked Questions

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

What is Li2CrO4?

Lithium chromate is a yellow, water-soluble inorganic salt that serves as a source of lithium and chromate ions. It is primarily utilized in industrial settings for its chemical properties as a corrosion inhibitor and as a component in specialized chemical synthesis.

More questions
What is Li2CrO4 used for?
Lithium chromate (Li2CrO4) is used in corrosion inhibition, chemical synthesis, and laboratory reagent.
What is the band gap of Li2CrO4?
Lithium chromate (Li2CrO4) has a DFT-computed band gap of 2.49–3.08 eV across 17 reported structures.
Is Li2CrO4 a metal, semiconductor, or insulator?
With a wide band gap up to 3.08 eV it is an insulator / wide-band-gap material.
Is Li2CrO4 thermodynamically stable?
Yes — Lithium chromate (Li2CrO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Li2CrO4?
The lowest-energy reported polymorph of Lithium chromate (Li2CrO4) is trigonal symmetry, space group R-3 (No. 148).
What is the density of Li2CrO4?
The computed density of the ground-state structure of Lithium chromate (Li2CrO4) is 2.49 g/cm³.
How many polymorphs of Li2CrO4 are known?
17 structures of Li2CrO4 are reported across 3 databases, spanning 5 distinct space groups.
What elements does Li2CrO4 contain?
Lithium chromate (Li2CrO4) contains Cr, Li, and O (3 elements).
Where does the data for Li2CrO4 come from?
Li2CrO4 data is cross-referenced from materials_project, jarvis, mpaloe.
Explore

Related Compounds

Other Lithium Oxides in the database.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

Analyze Li2CrO4 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →