Cr2Mn4O18Pb4
Cr2Mn4O18Pb4 is a thermodynamically stable semiconducting oxide containing chromium, manganese, and lead.
About Cr2Mn4O18Pb4
Cr2Mn4O18Pb4 is a complex oxide featuring chromium, manganese, and lead. As a thermodynamically stable phase residing on the convex hull, it represents a robust crystalline arrangement that is well-suited for further investigation in solid-state chemistry.
Exhibiting semiconducting electronic character, this material is of interest for applications where specific charge transport properties are required. Its unique combination of transition metals and lead suggests potential utility in functional electronic or catalytic systems.
Key Properties
Cross-validated computational properties for Cr2Mn4O18Pb4, 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 Cr2Mn4O18Pb4, 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-1 (No. 2) | triclinic | 1.39 | 0.0000 | -7.463 | 6.57 |
| No. 0 | unknown | — | — | — | 3.29 |
| P-1 (No. 2) | — | — | — | — | — |
Applications
Where Cr2Mn4O18Pb4 is used.
Frequently Asked Questions
Common questions about Cr2Mn4O18Pb4, answered from cross-validated data.
What is Cr2Mn4O18Pb4?
Cr2Mn4O18Pb4 is a thermodynamically stable semiconducting oxide containing chromium, manganese, and lead.
What is Cr2Mn4O18Pb4 used for?
What is the band gap of Cr2Mn4O18Pb4?
Is Cr2Mn4O18Pb4 a metal, semiconductor, or insulator?
Is Cr2Mn4O18Pb4 thermodynamically stable?
What is the crystal structure of Cr2Mn4O18Pb4?
What is the density of Cr2Mn4O18Pb4?
How many polymorphs of Cr2Mn4O18Pb4 are known?
What elements does Cr2Mn4O18Pb4 contain?
Where does the data for Cr2Mn4O18Pb4 come from?
How It Compares
As a unique complex oxide, Cr2Mn4O18Pb4 serves as a reference point for understanding the interplay between chromium and manganese in lead-based oxygen frameworks. It stands as a distinct structural entity that contributes to the broader understanding of stable, multi-component oxide systems.
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).
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