Li3AsO4

Lithium arsenate · Trilithium arsenate

Lithium arsenate is an inorganic salt composed of lithium and the arsenate anion. It is primarily studied for its structural properties in solid-state chemistry and as a precursor material in the synthesis of specialized ceramic or glass compounds.

Crystal structure of Li3AsO4 (orthorhombic, Pmn21 (No. 31))
Ground-state structure · Materials Project
Overview

Key Properties

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

Band Gap

4.15 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

9
3 databases, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Li3AsO4, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pmn21 (No. 31)orthorhombic4.130.0000-6.0433.21
Pnma (No. 62)orthorhombic4.150.0058-6.0373.13
Pmn21 (No. 31)
Pmn21 (No. 31)Orthorhombic3.02
Pmn21 (No. 31)Orthorhombic3.21
Pnma (No. 62)Orthorhombic3.13
Pmn21 (No. 31)Orthorhombic3.10
Pnma (No. 62)Orthorhombic2.95
Pnma (No. 62)Orthorhombic3.03
Uses

Applications

Where Lithium arsenate is used.

Solid-state electrolyte researchMaterials science researchChemical synthesis precursor
Reference

Frequently Asked Questions

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

What is Li3AsO4?

Lithium arsenate is an inorganic salt composed of lithium and the arsenate anion. It is primarily studied for its structural properties in solid-state chemistry and as a precursor material in the synthesis of specialized ceramic or glass compounds.

More questions
What is Li3AsO4 used for?
Lithium arsenate (Li3AsO4) is used in solid-state electrolyte research, materials science research, and chemical synthesis precursor.
What is the band gap of Li3AsO4?
Lithium arsenate (Li3AsO4) has a DFT-computed band gap of 4.15 eV across 9 reported structures.
Is Li3AsO4 a metal, semiconductor, or insulator?
With a wide band gap up to 4.15 eV it is an insulator / wide-band-gap material.
Is Li3AsO4 thermodynamically stable?
Yes — Lithium arsenate (Li3AsO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Li3AsO4?
The lowest-energy reported polymorph of Lithium arsenate (Li3AsO4) is orthorhombic symmetry, space group Pmn21 (No. 31).
What is the density of Li3AsO4?
The computed density of the ground-state structure of Lithium arsenate (Li3AsO4) is 3.21 g/cm³.
How many polymorphs of Li3AsO4 are known?
9 structures of Li3AsO4 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Li3AsO4 contain?
Lithium arsenate (Li3AsO4) contains As, Li, and O (3 elements).
Where does the data for Li3AsO4 come from?
Li3AsO4 data is cross-referenced from materials_project, jarvis, mpaloe.
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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.

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