C4O16Pb8
C4O16Pb8 is a thermodynamically stable, insulating inorganic compound composed of lead, carbon, and oxygen.
About C4O16Pb8
C4O16Pb8 is a complex inorganic compound featuring lead, carbon, and oxygen. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement within its chemical system.
This material functions as a wide-band-gap insulator, a characteristic that makes it a subject of interest for fundamental structural studies. Its existence across multiple databases highlights its importance in the broader landscape of lead-based inorganic materials.
Key Properties
Cross-validated computational properties for C4O16Pb8, 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 C4O16Pb8, 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. |
|---|---|---|---|---|---|
| P212121 (No. 19) | orthorhombic | 3.42 | 0.0000 | -6.926 | 7.36 |
| P212121 (No. 19) | — | — | — | — | — |
| P212121 (No. 19) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.88 |
Applications
Where C4O16Pb8 is used.
Frequently Asked Questions
Common questions about C4O16Pb8, answered from cross-validated data.
What is C4O16Pb8?
C4O16Pb8 is a thermodynamically stable, insulating inorganic compound composed of lead, carbon, and oxygen.
What is C4O16Pb8 used for?
What is the band gap of C4O16Pb8?
Is C4O16Pb8 a metal, semiconductor, or insulator?
Is C4O16Pb8 thermodynamically stable?
What is the crystal structure of C4O16Pb8?
What is the density of C4O16Pb8?
How many polymorphs of C4O16Pb8 are known?
What elements does C4O16Pb8 contain?
Where does the data for C4O16Pb8 come from?
How It Compares
As a thermodynamically stable compound, C4O16Pb8 serves as a reference point for understanding the structural diversity of lead-carbon-oxygen systems, demonstrating a distinct stability profile that distinguishes it from less ordered phases.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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