H20I2K4Na2O20
H20I2K4Na2O20 is a thermodynamically stable, semiconducting inorganic compound composed of hydrogen, iodine, potassium, sodium, and oxygen.
About H20I2K4Na2O20
H20I2K4Na2O20 is a complex inorganic compound characterized by its semiconducting electronic nature. Its position on the convex hull indicates that it is a thermodynamically stable phase, making it a significant subject for structural analysis and material science investigation.
Given its unique composition involving hydrogen, iodine, potassium, sodium, and oxygen, this material serves as a specialized candidate for researchers exploring complex hydrated or oxygen-rich frameworks. Its stability suggests potential for further study in specialized chemical environments where such multi-element architectures are required.
Key Properties
Cross-validated computational properties for H20I2K4Na2O20, 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 H20I2K4Na2O20, 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 | 2.60 | 0.0000 | -5.065 | 2.58 |
| P-1 (No. 2) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.33 |
Frequently Asked Questions
Common questions about H20I2K4Na2O20, answered from cross-validated data.
What is H20I2K4Na2O20?
H20I2K4Na2O20 is a thermodynamically stable, semiconducting inorganic compound composed of hydrogen, iodine, potassium, sodium, and oxygen.
What is the band gap of H20I2K4Na2O20?
Is H20I2K4Na2O20 a metal, semiconductor, or insulator?
Is H20I2K4Na2O20 thermodynamically stable?
What is the crystal structure of H20I2K4Na2O20?
What is the density of H20I2K4Na2O20?
How many polymorphs of H20I2K4Na2O20 are known?
What elements does H20I2K4Na2O20 contain?
Where does the data for H20I2K4Na2O20 come from?
How It Compares
As a unique compound within its structural grouping, H20I2K4Na2O20 stands out for its specific stoichiometric arrangement. Without direct structural siblings in this class, it serves as a distinct reference point for understanding how alkali metal and iodine-based frameworks maintain 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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