CO2Pb
lead carbonate · cerussite
Lead carbonate is a metastable semiconducting material composed of lead, carbon, and oxygen atoms.
About lead carbonate
Lead carbonate is a metastable inorganic compound that exhibits semiconducting electronic characteristics. Its unique structural arrangement and chemical composition make it a subject of interest for fundamental materials science studies investigating phase stability and electronic behavior in lead-based systems. Because it exists in a metastable state, the compound offers insights into the kinetic and thermodynamic pathways that govern the formation of metal carbonates. Researchers utilize these properties to better understand how structural variations influence the broader electronic landscape of lead-containing materials.
Key Properties
Cross-validated computational properties for lead carbonate, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of CO2Pb. 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.
Applications
Where lead carbonate is used.
Frequently Asked Questions
Common questions about lead carbonate, answered from cross-validated data.
What is CO2Pb?
Lead carbonate is a metastable semiconducting material composed of lead, carbon, and oxygen atoms.
What is CO2Pb used for?
What is the band gap of CO2Pb?
Is CO2Pb a metal, semiconductor, or insulator?
Is CO2Pb thermodynamically stable?
How many polymorphs of CO2Pb are known?
What elements does CO2Pb contain?
Where does the data for CO2Pb come from?
How It Compares
As a distinct lead-based compound, lead carbonate occupies a specific niche in inorganic chemistry where its metastable nature distinguishes it from more common, highly stable mineral forms. It serves as a critical reference point for understanding the electronic transitions and structural constraints inherent in complex metal-carbon-oxygen systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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