As4H4O20Pb4Zn4
As4H4O20Pb4Zn4 is a stable, wide-gap insulating inorganic compound composed of arsenic, hydrogen, oxygen, lead, and zinc.
About As4H4O20Pb4Zn4
As4H4O20Pb4Zn4 is a complex inorganic compound characterized by its insulating electronic nature and high thermodynamic stability. As a material residing on the convex hull, it represents a robust structural arrangement of arsenic, hydrogen, oxygen, lead, and zinc atoms.
Its wide-gap electronic profile suggests potential utility in specialized dielectric or optical applications where stable, non-conductive inorganic frameworks are required. The material is notable for its structural consistency, appearing across multiple reported crystallographic studies.
Key Properties
Cross-validated computational properties for As4H4O20Pb4Zn4, 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 As4H4O20Pb4Zn4, 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. |
|---|---|---|---|---|---|
| P212121 (No. 19) | orthorhombic | 3.24 | 0.0000 | -5.883 | 6.20 |
| P212121 (No. 19) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.64 |
Applications
Where As4H4O20Pb4Zn4 is used.
Frequently Asked Questions
Common questions about As4H4O20Pb4Zn4, answered from cross-validated data.
What is As4H4O20Pb4Zn4?
As4H4O20Pb4Zn4 is a stable, wide-gap insulating inorganic compound composed of arsenic, hydrogen, oxygen, lead, and zinc.
What is As4H4O20Pb4Zn4 used for?
What is the band gap of As4H4O20Pb4Zn4?
Is As4H4O20Pb4Zn4 a metal, semiconductor, or insulator?
Is As4H4O20Pb4Zn4 thermodynamically stable?
What is the crystal structure of As4H4O20Pb4Zn4?
What is the density of As4H4O20Pb4Zn4?
How many polymorphs of As4H4O20Pb4Zn4 are known?
What elements does As4H4O20Pb4Zn4 contain?
Where does the data for As4H4O20Pb4Zn4 come from?
How It Compares
As a unique inorganic phase, As4H4O20Pb4Zn4 serves as a distinct example of complex metal-arsenic-oxide chemistry. Without direct structural siblings in this specific composition class, it stands as a singular reference point for understanding how heavy metal cations like lead and zinc integrate with arsenate-based anionic frameworks to maintain long-term thermodynamic stability.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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