Cl8Er4O12Rb4Se4
Cl8Er4O12Rb4Se4 is a thermodynamically stable, wide-gap insulating inorganic compound containing erbium, chlorine, oxygen, rubidium, and selenium.
About Cl8Er4O12Rb4Se4
Cl8Er4O12Rb4Se4 is a complex inorganic compound characterized by its insulating electronic nature and high thermodynamic stability. As a material residing on the convex hull, it represents a robust structural configuration that maintains integrity under standard conditions. Its unique composition of erbium, chlorine, oxygen, rubidium, and selenium suggests a specialized role in solid-state chemistry.
Given its status as a stable wide-gap insulator, this compound is of interest for fundamental research into complex oxyhalide-selenide systems. Its structural diversity, evidenced by multiple reported configurations across databases, highlights its potential for nuanced physical behavior in electronic or optical applications.
Key Properties
Cross-validated computational properties for Cl8Er4O12Rb4Se4, 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 Cl8Er4O12Rb4Se4, 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 | 4.31 | 0.0000 | -5.883 | 3.81 |
| P-1 (No. 2) | — | — | — | — | — |
| — | — | — | — | — | 3.39 |
Applications
Where Cl8Er4O12Rb4Se4 is used.
Frequently Asked Questions
Common questions about Cl8Er4O12Rb4Se4, answered from cross-validated data.
What is Cl8Er4O12Rb4Se4?
Cl8Er4O12Rb4Se4 is a thermodynamically stable, wide-gap insulating inorganic compound containing erbium, chlorine, oxygen, rubidium, and selenium.
What is Cl8Er4O12Rb4Se4 used for?
What is the band gap of Cl8Er4O12Rb4Se4?
Is Cl8Er4O12Rb4Se4 a metal, semiconductor, or insulator?
Is Cl8Er4O12Rb4Se4 thermodynamically stable?
What is the crystal structure of Cl8Er4O12Rb4Se4?
What is the density of Cl8Er4O12Rb4Se4?
How many polymorphs of Cl8Er4O12Rb4Se4 are known?
What elements does Cl8Er4O12Rb4Se4 contain?
Where does the data for Cl8Er4O12Rb4Se4 come from?
How It Compares
As a distinct inorganic compound, Cl8Er4O12Rb4Se4 serves as a unique entry within the broader landscape of complex rare-earth oxyhalide-selenides, providing a stable structural reference point for researchers investigating multi-anion materials.
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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