Rb6Br4O
This compound is a complex inorganic salt containing rubidium, bromine, and oxygen. It is primarily studied in academic research settings to understand the structural properties and bonding characteristics of alkali metal suboxides and halides.

Key Properties
Cross-validated computational properties for Rb6Br4O, 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 Rb6Br4O, 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. |
|---|---|---|---|---|---|
| R-3c (No. 167) | trigonal | 1.53 | 0.0000 | -3.386 | 3.43 |
| R-3c (No. 167) | — | — | — | — | — |
| R-3c (No. 167) | Trigonal | — | — | — | 3.40 |
| R-3c (No. 167) | Trigonal | — | — | — | 3.26 |
| R-3c (No. 167) | Trigonal | — | — | — | 3.34 |
Applications
Where Rb6Br4O is used.
Frequently Asked Questions
Common questions about Rb6Br4O, answered from cross-validated data.
What is Rb6Br4O?
This compound is a complex inorganic salt containing rubidium, bromine, and oxygen. It is primarily studied in academic research settings to understand the structural properties and bonding characteristics of alkali metal suboxides and halides.
What is Rb6Br4O used for?
What is the band gap of Rb6Br4O?
Is Rb6Br4O a metal, semiconductor, or insulator?
Is Rb6Br4O thermodynamically stable?
What is the crystal structure of Rb6Br4O?
What is the density of Rb6Br4O?
How many polymorphs of Rb6Br4O are known?
What elements does Rb6Br4O contain?
Where does the data for Rb6Br4O come from?
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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