Na2ZnO2
Sodium zincate · Sodium zinc oxide
Sodium zincate is an inorganic compound that acts as a source of zinc in alkaline environments. It is frequently encountered as an intermediate in chemical processing and metal treatment applications.
Key Properties
Cross-validated computational properties for Sodium zincate, 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 Na2ZnO2, 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 | 1.46 | 0.0000 | -4.415 | 3.69 |
| P21/c (No. 14) | Monoclinic | — | — | — | 3.49 |
| P21/c (No. 14) | Monoclinic | — | — | — | 3.67 |
| P21/c (No. 14) | Monoclinic | — | — | — | 3.66 |
| Immm (No. 71) | — | — | — | — | — |
Applications
Where Sodium zincate is used.
Frequently Asked Questions
Common questions about Sodium zincate, answered from cross-validated data.
What is Na2ZnO2?
Sodium zincate is an inorganic compound that acts as a source of zinc in alkaline environments. It is frequently encountered as an intermediate in chemical processing and metal treatment applications.
What is Na2ZnO2 used for?
What is the band gap of Na2ZnO2?
Is Na2ZnO2 a metal, semiconductor, or insulator?
Is Na2ZnO2 thermodynamically stable?
What is the crystal structure of Na2ZnO2?
What is the density of Na2ZnO2?
How many polymorphs of Na2ZnO2 are known?
What elements does Na2ZnO2 contain?
Where does the data for Na2ZnO2 come from?
Related Compounds
Other Transparent Conducting Oxides 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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