I6LiRb2Y
I6LiRb2Y has a DFT band gap of 2.99 eV across 2 reported structures in 1 space group; its lowest-energy polymorph is cubic (Fm-3m (No. 225)). Cross-validated across 2 computational databases.
At a glance
Key Properties
Cross-validated computational properties for I6LiRb2Y, 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.
2.99 eV
Range across DFT structures
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.
0.027 eV/atom
Best (lowest) across sources
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.
Metastable
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
2
2 databases, 1 space group
Crystallography
Reported Structures
Lowest-energy structures reported for I6LiRb2Y, 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 | 2.99 | 0.0271 | -3.572 | 3.93 |
| — | — | — | — | — | 3.94 |
Reference
Frequently Asked Questions
Common questions about I6LiRb2Y, answered from cross-validated data.
What is the band gap of I6LiRb2Y?
I6LiRb2Y has a DFT-computed band gap of 2.99 eV across 2 reported structures.
More questions
Is I6LiRb2Y a metal, semiconductor, or insulator?
With a band gap up to 2.99 eV it is a semiconductor.
Is I6LiRb2Y thermodynamically stable?
I6LiRb2Y has a lowest energy above hull of 0.027 eV/atom (metastable).
What is the crystal structure of I6LiRb2Y?
The lowest-energy reported polymorph of I6LiRb2Y is cubic symmetry, space group Fm-3m (No. 225).
What is the density of I6LiRb2Y?
The computed density of the ground-state structure of I6LiRb2Y is 3.93 g/cm³.
How many polymorphs of I6LiRb2Y are known?
2 structures of I6LiRb2Y are reported across 2 databases, spanning 1 distinct space group.
What elements does I6LiRb2Y contain?
I6LiRb2Y contains I, Li, Rb, and Y (4 elements).
Where does the data for I6LiRb2Y come from?
I6LiRb2Y data is cross-referenced from materials_project, omat24.
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Related Compounds
Other Halide Solid Electrolytes in the database.
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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