Zr2SeN2

Zr2SeN2 is a thermodynamically stable semiconducting ternary compound composed of zirconium, selenium, and nitrogen.

NSeZr
Crystal structure of Zr2SeN2 (hexagonal, P63/mmc (No. 194))
Ground-state structure · Materials Project
Overview

About Zr2SeN2

Zr2SeN2 is a distinct inorganic compound characterized by its semiconducting electronic nature. Its position on the convex hull confirms that it is a thermodynamically stable phase, making it a robust candidate for structural and functional analysis in solid-state chemistry.

Given its unique combination of zirconium, selenium, and nitrogen, this material is of significant interest for researchers investigating new ternary systems. Its stability suggests potential for integration into specialized electronic or optoelectronic device architectures where stable semiconducting behavior is required.

At a glance

Key Properties

Cross-validated computational properties for Zr2SeN2, aggregated across 3 databases.

Band Gap

0.42–0.63 eV
Range across DFT structures · ground state: narrow gap

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

Stable
3 DFT sources

Structures

9
3 databases, 5 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of Zr2SeN2. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: high

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, oqmd

Space Group Consensus

All match
Crystallography

Reported Structures

Lowest-energy structures reported for Zr2SeN2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
——0.610.0000-1.657—
P63/mmc (No. 194)hexagonal0.420.0000-1.815—
P63/mmc (No. 194)hexagonal0.340.0000-17.5396.27
P-3m1 (No. 164)trigonal0.310.0131-17.5266.26
P-3m1 (No. 164)trigonal0.630.0270-1.788—
P-1 (No. 2)triclinic———6.38
P2/m (No. 10)monoclinic———6.61
P2/m (No. 10)monoclinic———6.57
P2/m (No. 10)monoclinic———4.83
C2/m (No. 12)monoclinic———6.11
C2/m (No. 12)monoclinic———6.08
Uses

Applications

Where Zr2SeN2 is used.

Semiconductor researchMaterials science explorationSolid-state electronic components
Reference

Frequently Asked Questions

Common questions about Zr2SeN2, answered from cross-validated data.

What is Zr2SeN2?

Zr2SeN2 is a thermodynamically stable semiconducting ternary compound composed of zirconium, selenium, and nitrogen.

More questions
What is Zr2SeN2 used for?
Zr2SeN2 is used in semiconductor research, materials science exploration, and solid-state electronic components.
What is the band gap of Zr2SeN2?
Zr2SeN2 has a DFT-computed band gap of 0.42–0.63 eV across 9 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is Zr2SeN2 a metal, semiconductor, or insulator?
DFT predicts a band gap of up to 0.63 eV (a semiconductor). Measured gaps are typically larger.
Is Zr2SeN2 thermodynamically stable?
Yes — Zr2SeN2 sits on the convex hull (energy above hull 0 eV/atom), i.e. stable.
What is the crystal structure of Zr2SeN2?
The reference structure of Zr2SeN2 is hexagonal symmetry, space group P63/mmc (No. 194).
How many polymorphs of Zr2SeN2 are known?
9 structures of Zr2SeN2 are reported across 3 databases, spanning 5 distinct space groups.
What elements does Zr2SeN2 contain?
Zr2SeN2 contains N, Se, and Zr (3 elements).
Where does the data for Zr2SeN2 come from?
Zr2SeN2 data is cross-referenced from oqmd, jarvis, materials_project, mpaloe.
Comparison

How It Compares

As a member of the ternary zirconium-selenium-nitrogen system, Zr2SeN2 occupies a unique niche in materials space. It serves as a foundational example of stable, complex chalcogenide-nitride chemistry, providing a benchmark for exploring the electronic and structural diversity within this specific chemical family.

Data sources & attribution
  • oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
  • jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
  • materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
  • mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.

Analyze Zr2SeN2 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 85 source databases.

Explore the Platform →
Results are informational and should be validated by qualified professionals. See Terms of Service