Li3N

Lithium nitride · trilithium nitride

Lithium nitride is a reactive inorganic compound that exists as a solid at room temperature. It is primarily utilized in chemical synthesis and as a specialized reagent due to its ability to react readily with water and other substances.

LiN
Crystal structure of Li3N (hexagonal, P6/mmm (No. 191))
Ground-state structure · Materials Project
Overview

Key Properties

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

Band Gap

0.98–1.22 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 Li3N, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P6/mmm (No. 191)hexagonal0.980.0000-4.5551.33
P63/mmc (No. 194)hexagonal1.220.0039-4.5511.72
P21/m (No. 11)Monoclinic0.72
P6/mmm (No. 191)Hexagonal1.32
P6/mmm (No. 191)Hexagonal1.29
P21/m (No. 11)Monoclinic0.97
P63/mmc (No. 194)Hexagonal1.72
P63/mmc (No. 194)Hexagonal1.66
P21/m (No. 11)Monoclinic0.77
P6/mmm (No. 191)
P6/mmm (No. 191)Hexagonal1.31
P63/mmc (No. 194)Hexagonal1.69
Uses

Applications

Where Lithium nitride is used.

Hydrogen storage researchChemical synthesisSolid electrolyte developmentCatalysis
Reference

Frequently Asked Questions

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

What is Li3N?

Lithium nitride is a reactive inorganic compound that exists as a solid at room temperature. It is primarily utilized in chemical synthesis and as a specialized reagent due to its ability to react readily with water and other substances.

More questions
What is Li3N used for?
Lithium nitride (Li3N) is used in hydrogen storage research, chemical synthesis, solid electrolyte development, and catalysis.
What is the band gap of Li3N?
Lithium nitride (Li3N) has a DFT-computed band gap of 0.98–1.22 eV across 17 reported structures.
Is Li3N a metal, semiconductor, or insulator?
With a band gap up to 1.22 eV it is a semiconductor.
Is Li3N thermodynamically stable?
Yes — Lithium nitride (Li3N) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Li3N?
The lowest-energy reported polymorph of Lithium nitride (Li3N) is hexagonal symmetry, space group P6/mmm (No. 191).
What is the density of Li3N?
The computed density of the ground-state structure of Lithium nitride (Li3N) is 1.33 g/cm³.
How many polymorphs of Li3N are known?
17 structures of Li3N are reported across 3 databases, spanning 5 distinct space groups.
What elements does Li3N contain?
Lithium nitride (Li3N) contains Li and N (2 elements).
Where does the data for Li3N come from?
Li3N data is cross-referenced from materials_project, mpaloe, jarvis.
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).

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