Na8Se8Sn2
This compound is a complex sodium tin selenide material that belongs to the family of alkali metal chalcogenides. It is primarily studied in materials science research for its structural properties and potential roles in solid-state chemistry and ionic transport investigations.
Key Properties
Cross-validated computational properties for Na8Se8Sn2, 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 Na8Se8Sn2, 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. |
|---|---|---|---|---|---|
| P-421c (No. 114) | tetragonal | 1.46 | 0.0000 | -3.716 | 3.60 |
| — | — | — | — | — | 3.47 |
| P-421c (No. 114) | — | — | — | — | — |
Applications
Where Na8Se8Sn2 is used.
Frequently Asked Questions
Common questions about Na8Se8Sn2, answered from cross-validated data.
What is Na8Se8Sn2?
This compound is a complex sodium tin selenide material that belongs to the family of alkali metal chalcogenides. It is primarily studied in materials science research for its structural properties and potential roles in solid-state chemistry and ionic transport investigations.
What is Na8Se8Sn2 used for?
What is the band gap of Na8Se8Sn2?
Is Na8Se8Sn2 a metal, semiconductor, or insulator?
Is Na8Se8Sn2 thermodynamically stable?
What is the crystal structure of Na8Se8Sn2?
What is the density of Na8Se8Sn2?
How many polymorphs of Na8Se8Sn2 are known?
What elements does Na8Se8Sn2 contain?
Where does the data for Na8Se8Sn2 come from?
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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