F24Pb8Zn4
F24Pb8Zn4 is a thermodynamically stable, insulating crystalline compound composed of lead, zinc, and fluorine.
About F24Pb8Zn4
F24Pb8Zn4 is a distinct inorganic compound characterized by its insulating electronic nature and high thermodynamic stability. Occupying a position on the convex hull, it represents a robust structural arrangement of fluorine, lead, and zinc atoms that maintains integrity under standard conditions.
Its status as a stable phase makes it a subject of interest for fundamental materials research. With multiple reported structures across databases, this compound serves as a valuable reference point for understanding the interplay between heavy metal cations and fluoride anions in complex crystalline lattices.
Key Properties
Cross-validated computational properties for F24Pb8Zn4, 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 F24Pb8Zn4, 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. |
|---|---|---|---|---|---|
| P42/ncm (No. 138) | tetragonal | 3.92 | 0.0000 | -18.138 | 7.78 |
| — | — | — | — | — | 7.30 |
| P42/ncm (No. 138) | — | — | — | — | — |
| P42/ncm (No. 138) | — | — | — | — | — |
Frequently Asked Questions
Common questions about F24Pb8Zn4, answered from cross-validated data.
What is F24Pb8Zn4?
F24Pb8Zn4 is a thermodynamically stable, insulating crystalline compound composed of lead, zinc, and fluorine.
What is the band gap of F24Pb8Zn4?
Is F24Pb8Zn4 a metal, semiconductor, or insulator?
Is F24Pb8Zn4 thermodynamically stable?
What is the crystal structure of F24Pb8Zn4?
What is the density of F24Pb8Zn4?
How many polymorphs of F24Pb8Zn4 are known?
What elements does F24Pb8Zn4 contain?
Where does the data for F24Pb8Zn4 come from?
How It Compares
As a thermodynamically stable phase, F24Pb8Zn4 stands as a well-defined example of a complex fluoride material. It serves as a foundational entry point for studying the structural diversity possible within lead-zinc-fluorine systems, providing a stable benchmark for future investigations into similar insulating compounds.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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