RbIO3
rubidium iodate
Rubidium iodate is a stable, semiconducting inorganic compound characterized by its structural versatility and potential for specialized electronic applications.
About rubidium iodate
Rubidium iodate is a semiconducting inorganic compound that sits firmly on the convex hull, indicating significant thermodynamic stability. Its structural diversity is highlighted by multiple reported configurations across major materials databases, making it a subject of interest for researchers studying iodate-based systems.
As a stable material, it offers a reliable platform for investigating the electronic behavior of alkali metal iodates. Its semiconducting nature suggests potential utility in specialized electronic or optical applications where stable, inorganic crystalline frameworks are required.
Key Properties
Cross-validated computational properties for rubidium iodate, 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 RbIO3, 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. |
|---|---|---|---|---|---|
| R3m (No. 160) | trigonal | 2.84 | 0.0000 | -4.842 | 4.68 |
| P-1 (No. 2) | triclinic | 0.00 | 0.1232 | -4.677 | 4.90 |
| P-1 (No. 2) | triclinic | 0.00 | 0.1300 | -4.670 | 4.93 |
| Cm (No. 8) | monoclinic | 0.41 | 0.9936 | -3.849 | 2.36 |
| R3m (No. 160) | — | — | — | — | — |
| R3m (No. 160) | Trigonal | — | — | — | 4.44 |
| R3m (No. 160) | Trigonal | — | — | — | 4.36 |
| R3m (No. 160) | Trigonal | — | — | — | 4.64 |
Applications
Where rubidium iodate is used.
Frequently Asked Questions
Common questions about rubidium iodate, answered from cross-validated data.
What is RbIO3?
Rubidium iodate is a stable, semiconducting inorganic compound characterized by its structural versatility and potential for specialized electronic applications.
What is RbIO3 used for?
What is the band gap of RbIO3?
Is RbIO3 a metal, semiconductor, or insulator?
Is RbIO3 thermodynamically stable?
What is the crystal structure of RbIO3?
What is the density of RbIO3?
How many polymorphs of RbIO3 are known?
What elements does RbIO3 contain?
Where does the data for RbIO3 come from?
How It Compares
As a distinct member of the alkali metal iodate family, rubidium iodate serves as a key reference point for understanding how cation size influences the structural and electronic stability of these inorganic compounds.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
- mpaloe — Data from mpaloe.
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