Cs2I6InRb
Cs2I6InRb is a metastable, semiconducting quaternary iodide compound composed of cesium, rubidium, indium, and iodine.
About Cs2I6InRb
Cs2I6InRb is a complex quaternary iodide compound that exhibits semiconducting electronic behavior. As a metastable material, it represents a unique structural arrangement within the broader family of halide-based inorganic compounds, offering distinct pathways for fundamental research into solid-state chemistry.
Its significance lies in its potential as a model system for understanding how alkali metal cations, such as cesium and rubidium, influence the electronic environment of indium-iodide frameworks. This compound serves as a subject of interest for researchers investigating the synthesis and stability of complex halide structures.
Key Properties
Cross-validated computational properties for Cs2I6InRb, aggregated across 2 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 Cs2I6InRb, 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. |
|---|---|---|---|---|---|
| Fm-3m (No. 225) | cubic | 1.40 | 0.0655 | -2.785 | 3.81 |
| — | — | — | — | — | 3.10 |
Applications
Where Cs2I6InRb is used.
Patent Landscape
3 patents reference Cs2I6InRb or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 8248032 | Charging system for prioritizing load consumption in a notebook computer | — | — |
| 8263193 | Vacuum treatment method | — | — |
| 8268035 | Process for producing refractory metal alloy powders | — | — |
Frequently Asked Questions
Common questions about Cs2I6InRb, answered from cross-validated data.
What is Cs2I6InRb?
Cs2I6InRb is a metastable, semiconducting quaternary iodide compound composed of cesium, rubidium, indium, and iodine.
What is Cs2I6InRb used for?
What is the band gap of Cs2I6InRb?
Is Cs2I6InRb a metal, semiconductor, or insulator?
Is Cs2I6InRb thermodynamically stable?
What is the crystal structure of Cs2I6InRb?
What is the density of Cs2I6InRb?
How many polymorphs of Cs2I6InRb are known?
What elements does Cs2I6InRb contain?
Where does the data for Cs2I6InRb come from?
How It Compares
As a unique quaternary iodide, Cs2I6InRb occupies a specialized niche in materials science. Unlike simpler binary or ternary halides, this compound demonstrates the structural complexity possible when multiple alkali metal species are integrated into an indium-iodide lattice, providing a distinct case study for metastable phase formation.
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).
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