H20I4O24
H20I4O24 is a semiconducting hydrogen-iodine-oxygen compound that is considered a promising candidate for experimental synthesis.
About H20I4O24
H20I4O24 is a complex inorganic compound composed of hydrogen, iodine, and oxygen. It exhibits semiconducting electronic character, positioning it as a material of interest for specialized electronic or chemical research applications.
As a near-hull material, it is considered likely to be synthesizable under appropriate laboratory conditions. The existence of multiple reported structures across various databases highlights its structural versatility and potential for further investigation in materials science.
Key Properties
Cross-validated computational properties for H20I4O24, 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 H20I4O24, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 2.36 | 0.0168 | -5.019 | 3.41 |
| P21/c (No. 14) | monoclinic | 2.26 | 0.0233 | -5.013 | 3.20 |
| P21 (No. 4) | monoclinic | 2.21 | 0.0273 | -5.009 | 3.17 |
| Pc (No. 7) | monoclinic | 2.13 | 0.0337 | -5.003 | 3.18 |
| P1 (No. 1) | triclinic | 2.18 | 0.0350 | -5.001 | 3.14 |
| P21 (No. 4) | monoclinic | 1.62 | 0.0469 | -4.989 | 3.30 |
| P1 (No. 1) | triclinic | 1.27 | 0.0503 | -4.986 | 3.14 |
| P21 (No. 4) | monoclinic | 1.98 | 0.0510 | -4.985 | 3.22 |
| P1 (No. 1) | triclinic | 1.04 | 0.0652 | -4.971 | 3.19 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 1.16 |
Applications
Where H20I4O24 is used.
Frequently Asked Questions
Common questions about H20I4O24, answered from cross-validated data.
What is H20I4O24?
H20I4O24 is a semiconducting hydrogen-iodine-oxygen compound that is considered a promising candidate for experimental synthesis.
What is H20I4O24 used for?
What is the band gap of H20I4O24?
Is H20I4O24 a metal, semiconductor, or insulator?
Is H20I4O24 thermodynamically stable?
What is the crystal structure of H20I4O24?
What is the density of H20I4O24?
How many polymorphs of H20I4O24 are known?
What elements does H20I4O24 contain?
Where does the data for H20I4O24 come from?
How It Compares
As a unique inorganic compound, H20I4O24 represents a distinct structural arrangement within its chemical system. While it does not share a direct class with other widely categorized materials, its status as a near-hull phase suggests it occupies a significant niche for potential synthesis and experimental characterization.
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).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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