HSN
HSN is an insulating, hydrogen-containing compound that is studied for its structural properties within the broader field of hydrogen storage materials.

About HSN
HSN is a hydrogen-bearing compound categorized within the hydrogen storage hydride class. Characterized as a wide-band-gap insulator, it represents a niche composition in the study of light-element hydrides where hydrogen is chemically bonded with nitrogen and sulfur. Its electronic nature highlights the insulating behavior often found in complex hydride systems.
Due to its position above the thermodynamic hull, HSN is considered inherently unstable under standard conditions. Despite this, it remains a subject of interest in materials informatics, with multiple structural configurations documented across computational databases to better understand the landscape of potential hydrogen-rich materials.
Key Properties
Cross-validated computational properties for HSN, 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.
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.
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.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Applications
Where HSN is used.
Frequently Asked Questions
Common questions about HSN, answered from cross-validated data.
What is HSN?
HSN is an insulating, hydrogen-containing compound that is studied for its structural properties within the broader field of hydrogen storage materials.
What is HSN used for?
What is the band gap of HSN?
Is HSN a metal, semiconductor, or insulator?
Is HSN thermodynamically stable?
How many polymorphs of HSN are known?
What elements does HSN contain?
Where does the data for HSN come from?
How It Compares
Within the hydrogen storage hydrides class.
Unlike stable, industrially relevant hydrogen storage materials such as MgH2 or LiH, HSN is significantly less thermodynamically favorable. While compounds like AlH3 or BH3 are frequently investigated for their high gravimetric hydrogen density, HSN serves primarily as a theoretical case study in structural diversity rather than a practical candidate for onboard hydrogen containment.
Related Compounds
Other Hydrogen Storage Hydrides in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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