NaHS
Sodium hydrosulfide · Sodium bisulfide
Sodium hydrosulfide is a chemical compound that serves as a common source of the hydrosulfide ion. It is widely utilized in industrial processes for its ability to introduce sulfur into various organic and inorganic products.
Key Properties
Cross-validated computational properties for Sodium hydrosulfide, 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.
Reported Structures
Lowest-energy structures reported for NaHS, 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/m (No. 11) | monoclinic | 3.16 | 0.0000 | -5.828 | 1.84 |
| R3m (No. 160) | trigonal | 3.15 | 0.0019 | -5.826 | 1.84 |
| Pm (No. 6) | Monoclinic | — | — | — | 1.13 |
| Pm (No. 6) | Monoclinic | — | — | — | 1.21 |
| P21 (No. 4) | Monoclinic | — | — | — | 1.50 |
| Pm (No. 6) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
| P4/nmm (No. 129) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| P21/m (No. 11) | — | — | — | — | — |
| R3m (No. 160) | — | — | — | — | — |
Applications
Where Sodium hydrosulfide is used.
Frequently Asked Questions
Common questions about Sodium hydrosulfide, answered from cross-validated data.
What is NaHS?
Sodium hydrosulfide is a chemical compound that serves as a common source of the hydrosulfide ion. It is widely utilized in industrial processes for its ability to introduce sulfur into various organic and inorganic products.
What is NaHS used for?
What is the band gap of NaHS?
Is NaHS a metal, semiconductor, or insulator?
Is NaHS thermodynamically stable?
What is the crystal structure of NaHS?
What is the density of NaHS?
How many polymorphs of NaHS are known?
What elements does NaHS contain?
Where does the data for NaHS come from?
Related Compounds
Other Hydrogen Storage Hydrides in the database.
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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