H2N4O18P2Pb4
H2N4O18P2Pb4 is a complex, wide-gap insulating lead-phosphate-nitrate compound that exists as a metastable phase.
About H2N4O18P2Pb4
H2N4O18P2Pb4 is a complex inorganic compound featuring a heavy-metal lead framework integrated with phosphate and nitrate groups. As a wide-gap insulating material, it exhibits electronic properties typical of dielectric solids where charge carriers are highly localized within the crystalline lattice. The compound is noted for its structural diversity, with multiple reported configurations found in materials databases. Despite its intricate atomic arrangement, it sits at a higher energy state relative to the ground-state hull, suggesting it is a metastable phase that requires specific synthesis conditions to stabilize.
Key Properties
Cross-validated computational properties for H2N4O18P2Pb4, 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.
Frequently Asked Questions
Common questions about H2N4O18P2Pb4, answered from cross-validated data.
What is H2N4O18P2Pb4?
H2N4O18P2Pb4 is a complex, wide-gap insulating lead-phosphate-nitrate compound that exists as a metastable phase.
What is the band gap of H2N4O18P2Pb4?
Is H2N4O18P2Pb4 a metal, semiconductor, or insulator?
Is H2N4O18P2Pb4 thermodynamically stable?
How many polymorphs of H2N4O18P2Pb4 are known?
What elements does H2N4O18P2Pb4 contain?
Where does the data for H2N4O18P2Pb4 come from?
How It Compares
As a unique inorganic complex, this compound represents a specialized niche in materials science where lead-based anionic frameworks are explored for their structural complexity. Unlike more common, thermodynamically robust binary oxides, this material highlights the challenges of synthesizing multi-component systems that exist as metastable phases.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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