CaCo4Cu3O12
CaCo4Cu3O12 has a DFT band gap of Metallic / not reported across 4 reported structures in 2 space groups; its reference structure is cubic (Im-3 (No. 204)). Cross-validated across 2 computational databases.
Key Properties
Cross-validated computational properties for CaCo4Cu3O12, aggregated across 2 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of CaCo4Cu3O12. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for CaCo4Cu3O12, 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. |
|---|---|---|---|---|---|
| Im-3 (No. 204) | cubic | 0.00 | 0.0000 | -1.245 | — |
| Im-3 (No. 204) | cubic | 0.00 | 0.0000 | -1.231 | — |
| Im-3 (No. 204) | cubic | 0.00 | 0.0155 | -6.435 | 5.72 |
| R-3 (No. 148) | trigonal | 0.00 | 0.0239 | -6.427 | 5.54 |
Synthesis Routes
Literature-extracted synthesis procedures targeting CaCo4Cu3O12.
Frequently Asked Questions
Common questions about CaCo4Cu3O12, answered from cross-validated data.
What is the band gap of CaCo4Cu3O12?
The reported DFT structures of CaCo4Cu3O12 show no band gap. Standard DFT often misses gaps (especially in transition-metal oxides), so this is not proof the real material is a metal.
Is CaCo4Cu3O12 a metal, semiconductor, or insulator?
Is CaCo4Cu3O12 thermodynamically stable?
What is the crystal structure of CaCo4Cu3O12?
How many polymorphs of CaCo4Cu3O12 are known?
How is CaCo4Cu3O12 synthesized?
What elements does CaCo4Cu3O12 contain?
Where does the data for CaCo4Cu3O12 come from?
Related Compounds
Other Cuprate Superconductors in the database.
Data sources & attribution
- jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
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