K8O8Pb2
This compound is a complex oxide containing potassium and lead. It is primarily studied in solid-state chemistry research for its structural properties and potential roles in advanced materials synthesis.
KOPb
Overview
Key Properties
Cross-validated computational properties for K8O8Pb2, 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.
1.70 eV
Range across DFT structures
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.
0.000 eV/atom
Best (lowest) across sources
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.
On hull (stable)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
3
3 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for K8O8Pb2, 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. |
|---|---|---|---|---|---|
| P-1 (No. 2) | triclinic | 1.70 | 0.0000 | -4.690 | 3.78 |
| — | — | — | — | — | 3.12 |
| P-1 (No. 2) | — | — | — | — | — |
Uses
Applications
Where K8O8Pb2 is used.
Solid-state chemistry researchMaterials science experimentation
Reference
Frequently Asked Questions
Common questions about K8O8Pb2, answered from cross-validated data.
What is K8O8Pb2?
This compound is a complex oxide containing potassium and lead. It is primarily studied in solid-state chemistry research for its structural properties and potential roles in advanced materials synthesis.
More questions
What is K8O8Pb2 used for?
K8O8Pb2 is used in solid-state chemistry research and materials science experimentation.
What is the band gap of K8O8Pb2?
K8O8Pb2 has a DFT-computed band gap of 1.70 eV across 3 reported structures.
Is K8O8Pb2 a metal, semiconductor, or insulator?
With a band gap up to 1.70 eV it is a semiconductor.
Is K8O8Pb2 thermodynamically stable?
Yes — K8O8Pb2 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of K8O8Pb2?
The lowest-energy reported polymorph of K8O8Pb2 is triclinic symmetry, space group P-1 (No. 2).
What is the density of K8O8Pb2?
The computed density of the ground-state structure of K8O8Pb2 is 3.78 g/cm³.
How many polymorphs of K8O8Pb2 are known?
3 structures of K8O8Pb2 are reported across 3 databases, spanning 1 distinct space group.
What elements does K8O8Pb2 contain?
K8O8Pb2 contains K, O, and Pb (3 elements).
Where does the data for K8O8Pb2 come from?
K8O8Pb2 data is cross-referenced from materials_project, omat24, aflow.
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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