NaTaN2

NaTaN2 is a thermodynamically stable semiconducting nitride used in materials science research.

NNaTa
Crystal structure of NaTaN2 (trigonal, R-3m (No. 166))
Ground-state structure · Materials Project
Overview

About NaTaN2

NaTaN2 is a semiconducting ternary nitride that occupies a stable position on the thermodynamic convex hull. Its electronic character makes it a subject of interest for researchers investigating new functional materials with tunable properties. The compound is characterized by a well-defined structural profile, supported by multiple reports across major materials databases.

As a stable nitride, it serves as a foundational material for exploring complex anionic frameworks. Its ability to maintain structural integrity under standard conditions positions it as a reliable candidate for further experimental characterization in solid-state chemistry and materials science research.

At a glance

Key Properties

Cross-validated computational properties for NaTaN2, aggregated across 3 databases.

Band Gap

1.28 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, 2 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for NaTaN2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R-3m (No. 166)trigonal1.280.0000-18.7438.09
P4/nmm (No. 129)Tetragonal6.14
P4/nmm (No. 129)Tetragonal7.71
P4/nmm (No. 129)Tetragonal6.42
R-3m (No. 166)
Uses

Applications

Where NaTaN2 is used.

Semiconductor researchSolid-state chemistryOptoelectronic material development
Reference

Frequently Asked Questions

Common questions about NaTaN2, answered from cross-validated data.

What is NaTaN2?

NaTaN2 is a thermodynamically stable semiconducting nitride used in materials science research.

More questions
What is NaTaN2 used for?
NaTaN2 is used in semiconductor research, solid-state chemistry, and optoelectronic material development.
What is the band gap of NaTaN2?
NaTaN2 has a DFT-computed band gap of 1.28 eV across 5 reported structures.
Is NaTaN2 a metal, semiconductor, or insulator?
With a band gap up to 1.28 eV it is a semiconductor.
Is NaTaN2 thermodynamically stable?
Yes — NaTaN2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of NaTaN2?
The lowest-energy reported polymorph of NaTaN2 is trigonal symmetry, space group R-3m (No. 166).
What is the density of NaTaN2?
The computed density of the ground-state structure of NaTaN2 is 8.09 g/cm³.
How many polymorphs of NaTaN2 are known?
5 structures of NaTaN2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does NaTaN2 contain?
NaTaN2 contains N, Na, and Ta (3 elements).
Where does the data for NaTaN2 come from?
NaTaN2 data is cross-referenced from materials_project, mpaloe, jarvis.
Comparison

How It Compares

As a thermodynamically stable member of the ternary nitride family, NaTaN2 represents a robust structural prototype. It serves as an essential reference point for understanding the stability and electronic behavior of alkali metal-tantalum nitrides, providing a baseline for future computational and experimental studies in this emerging class of semiconductors.

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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