SeN
Selenium nitride is a binary inorganic compound composed of selenium and nitrogen. It is primarily studied in the context of specialized chemical research and materials science due to its unique bonding characteristics.
NSe
Overview
Key Properties
Cross-validated computational properties for SeN, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
1.88–1.96 eV
Range across DFT structures
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
0.634 eV/atom
Best (lowest) across sources
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
Above hull
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
237
3 databases, 29 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for SeN, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 1.88 | 0.6340 | -11.086 | 3.51 |
| C2/c (No. 15) | monoclinic | 1.96 | 0.6348 | -11.085 | 3.53 |
| P1 (No. 1) | Triclinic | — | — | — | 10.87 |
| P1 (No. 1) | Triclinic | — | — | — | 3.23 |
| P1 (No. 1) | Triclinic | — | — | — | 5.29 |
| Pm (No. 6) | Monoclinic | — | — | — | 7.46 |
| Pm (No. 6) | Monoclinic | — | — | — | 3.95 |
| Pm (No. 6) | Monoclinic | — | — | — | 5.28 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.68 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.45 |
| P-1 (No. 2) | Triclinic | — | — | — | 2.56 |
| C2/m (No. 12) | Monoclinic | — | — | — | 2.91 |
Uses
Applications
Where SeN is used.
Chemical researchMaterials science studies
Reference
Frequently Asked Questions
Common questions about SeN, answered from cross-validated data.
What is SeN?
Selenium nitride is a binary inorganic compound composed of selenium and nitrogen. It is primarily studied in the context of specialized chemical research and materials science due to its unique bonding characteristics.
More questions
What is SeN used for?
SeN is used in chemical research and materials science studies.
What is the band gap of SeN?
SeN has a DFT-computed band gap of 1.88–1.96 eV across 237 reported structures.
Is SeN a metal, semiconductor, or insulator?
With a band gap up to 1.96 eV it is a semiconductor.
Is SeN thermodynamically stable?
SeN has a lowest energy above hull of 0.634 eV/atom (above hull).
What is the crystal structure of SeN?
The lowest-energy reported polymorph of SeN is monoclinic symmetry, space group P21/c (No. 14).
What is the density of SeN?
The computed density of the ground-state structure of SeN is 3.51 g/cm³.
How many polymorphs of SeN are known?
237 structures of SeN are reported across 3 databases, spanning 29 distinct space groups.
What elements does SeN contain?
SeN contains N and Se (2 elements).
Where does the data for SeN come from?
SeN 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).
Analyze SeN in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →