C2O6Zn2
zinc oxalate · zinc ethanedioate
Zinc oxalate is a stable, insulating chemical compound often used as a precursor for synthesizing specialized zinc-based materials.
About zinc oxalate
Zinc oxalate is a structurally defined compound that exists on the convex hull, indicating high thermodynamic stability. As a member of the broader transparent conducting oxide class, it exhibits insulating electronic behavior, distinguishing it from the highly conductive materials typically associated with this group.
Its presence in multiple structural databases highlights its significance in materials research. The compound serves as a critical precursor in the synthesis of high-purity zinc-based materials, leveraging its well-defined stoichiometry and stable lattice framework for various chemical applications.
Key Properties
Cross-validated computational properties for zinc oxalate, 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 C2O6Zn2, 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. |
|---|---|---|---|---|---|
| R-3c (No. 167) | trigonal | 3.56 | 0.0000 | -6.889 | 4.46 |
| C2/c (No. 15) | monoclinic | 0.00 | 0.7572 | -6.335 | 3.48 |
| No. 0 | unknown | — | — | — | 0.42 |
| R-3c (No. 167) | — | — | — | — | — |
| — | — | — | — | — | 3.92 |
Applications
Where zinc oxalate is used.
Frequently Asked Questions
Common questions about zinc oxalate, answered from cross-validated data.
What is C2O6Zn2?
Zinc oxalate is a stable, insulating chemical compound often used as a precursor for synthesizing specialized zinc-based materials.
What is C2O6Zn2 used for?
What is the band gap of C2O6Zn2?
Is C2O6Zn2 a metal, semiconductor, or insulator?
Is C2O6Zn2 thermodynamically stable?
What is the crystal structure of C2O6Zn2?
What is the density of C2O6Zn2?
How many polymorphs of C2O6Zn2 are known?
What elements does C2O6Zn2 contain?
Where does the data for C2O6Zn2 come from?
How It Compares
Within the transparent conducting oxides class.
While many members of the transparent conducting oxide class, such as ZnO or BaSnO3, are engineered specifically for their high electrical conductivity, zinc oxalate functions primarily as a wide-gap insulator. It occupies a unique niche compared to more complex spinel-structured siblings like ZnGa2O4 or ZnCr2O4, serving more frequently as a synthetic intermediate rather than an active electronic component.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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