SrSeO4
strontium selenate
Strontium selenate is a stable, insulating inorganic compound composed of strontium, selenium, and oxygen.
About strontium selenate
Strontium selenate is a stable inorganic compound characterized by its insulating electronic nature. As a member of the selenate family, it maintains structural integrity under standard conditions, making it a reliable subject for fundamental materials research.
Its position on the convex hull signifies high thermodynamic stability, which is essential for its potential utility in specialized chemical synthesis and material science investigations. The compound is well-documented across multiple structural databases, reflecting its significance in the study of alkaline earth metal oxoanions.
Key Properties
Cross-validated computational properties for strontium selenate, aggregated across 4 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 SrSeO4, 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 | 3.54 | 0.0000 | -6.314 | 4.37 |
| No. 0 | unknown | — | — | — | 1.10 |
| C2 (No. 5) | Monoclinic | — | — | — | 4.09 |
| P-6m2 (No. 187) | Hexagonal | — | — | — | 3.98 |
| P-6m2 (No. 187) | Hexagonal | — | — | — | 3.86 |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where strontium selenate is used.
Frequently Asked Questions
Common questions about strontium selenate, answered from cross-validated data.
What is SrSeO4?
Strontium selenate is a stable, insulating inorganic compound composed of strontium, selenium, and oxygen.
What is SrSeO4 used for?
What is the band gap of SrSeO4?
Is SrSeO4 a metal, semiconductor, or insulator?
Is SrSeO4 thermodynamically stable?
What is the crystal structure of SrSeO4?
What is the density of SrSeO4?
How many polymorphs of SrSeO4 are known?
What elements does SrSeO4 contain?
Where does the data for SrSeO4 come from?
How It Compares
As a stable selenate, this compound serves as a representative example of the structural diversity found within alkaline earth metal oxoanion systems, providing a baseline for understanding the bonding and stability trends inherent to this chemical class.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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