HSN

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

Crystal structure of HSN
Ground-state structure · Materials Project
Overview

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.

At a glance

Key Properties

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

Band Gap

3.31 eV
Range across DFT structures

Energy Above Hull

0.339 eV/atom
Best (lowest) across sources

Stability

Above hull
2 DFT sources

Structures

6
3 databases, 5 space groups
Uses

Applications

Where HSN is used.

Computational materials researchFundamental studies of hydrogen-rich systems
Reference

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.

More questions
What is HSN used for?
HSN is used in computational materials research and fundamental studies of hydrogen-rich systems.
What is the band gap of HSN?
HSN has a DFT-computed band gap of 3.31 eV across 6 reported structures.
Is HSN a metal, semiconductor, or insulator?
With a wide band gap up to 3.31 eV it is an insulator / wide-band-gap material.
Is HSN thermodynamically stable?
HSN has a lowest energy above hull of 0.339 eV/atom (above hull).
How many polymorphs of HSN are known?
6 structures of HSN are reported across 3 databases, spanning 5 distinct space groups.
What elements does HSN contain?
HSN contains H, N, and S (3 elements).
Where does the data for HSN come from?
HSN data is cross-referenced from latticegraph.
Comparison

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.

Explore

Related Compounds

Other Hydrogen Storage Hydrides in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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