Na2SeO3
Sodium selenite · disodium selenite
Sodium selenite is a water-soluble inorganic compound that serves as a primary source of selenium in various biological and industrial contexts. It is frequently utilized as a nutritional supplement and additive to ensure adequate intake of this essential trace mineral.
Key Properties
Cross-validated computational properties for Sodium selenite, 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 Na2SeO3, 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 | 4.22 | 0.0000 | -5.299 | 3.52 |
| P21/c (No. 14) | Monoclinic | — | — | — | 3.26 |
| P21/c (No. 14) | Monoclinic | — | — | — | 3.45 |
| P21/c (No. 14) | Monoclinic | — | — | — | 3.32 |
| No. 0 | unknown | — | — | — | 0.85 |
Applications
Where Sodium selenite is used.
Frequently Asked Questions
Common questions about Sodium selenite, answered from cross-validated data.
What is Na2SeO3?
Sodium selenite is a water-soluble inorganic compound that serves as a primary source of selenium in various biological and industrial contexts. It is frequently utilized as a nutritional supplement and additive to ensure adequate intake of this essential trace mineral.
What is Na2SeO3 used for?
What is the band gap of Na2SeO3?
Is Na2SeO3 a metal, semiconductor, or insulator?
Is Na2SeO3 thermodynamically stable?
What is the crystal structure of Na2SeO3?
What is the density of Na2SeO3?
How many polymorphs of Na2SeO3 are known?
What elements does Na2SeO3 contain?
Where does the data for Na2SeO3 come from?
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
Analyze Na2SeO3 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →