Hg2P2O7
Hg2P2O7 is a thermodynamically stable, semiconducting mercury phosphate compound used in fundamental materials research.
About Hg2P2O7
Hg2P2O7 is a thermodynamically stable mercury-based phosphate that sits securely on the convex hull. Its electronic character as a semiconductor makes it an intriguing subject for researchers investigating the intersection of heavy-metal chemistry and phosphate frameworks.
Given its presence across multiple structural databases, this compound serves as a significant reference point for understanding mercury-phosphorus-oxygen bonding environments. Its stability suggests a robust lattice that warrants further exploration for specialized electronic or optical applications.
Key Properties
Cross-validated computational properties for Hg2P2O7, 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.
Applications
Where Hg2P2O7 is used.
Frequently Asked Questions
Common questions about Hg2P2O7, answered from cross-validated data.
What is Hg2P2O7?
Hg2P2O7 is a thermodynamically stable, semiconducting mercury phosphate compound used in fundamental materials research.
What is Hg2P2O7 used for?
What is the band gap of Hg2P2O7?
Is Hg2P2O7 a metal, semiconductor, or insulator?
Is Hg2P2O7 thermodynamically stable?
How many polymorphs of Hg2P2O7 are known?
What elements does Hg2P2O7 contain?
Where does the data for Hg2P2O7 come from?
How It Compares
As a distinct mercury-based phosphate, Hg2P2O7 occupies a unique niche within inorganic materials science. While many phosphates are known for their insulating properties, this compound stands out due to its semiconducting nature, providing a specialized alternative to more common, wide-gap phosphate insulators.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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