B2O6RbSb
B2O6RbSb has a DFT band gap of 2.37 eV across 2 reported structures in 2 space groups; its reference structure is monoclinic (Cc (No. 9)). Cross-validated across 2 computational databases.
Key Properties
Cross-validated computational properties for B2O6RbSb, 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of B2O6RbSb. Tight agreement means computed properties can be trusted without re-running calculations.
Only 1 independent DFT source (materials_project) reports a hull energy for B2O6RbSb, so cross-source agreement can't be assessed yet.
Reported Structures
Lowest-energy structures reported for B2O6RbSb, 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. |
|---|---|---|---|---|---|
| Pmn21 (No. 31) | orthorhombic | 2.37 | 0.0400 | -7.245 | 3.80 |
| Cc (No. 9) | monoclinic | — | — | — | 4.26 |
Synthesis Routes
Literature-extracted synthesis procedures targeting B2O6RbSb.
Frequently Asked Questions
Common questions about B2O6RbSb, answered from cross-validated data.
What is the band gap of B2O6RbSb?
B2O6RbSb has a DFT-computed band gap of 2.37 eV across 2 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is B2O6RbSb a metal, semiconductor, or insulator?
Is B2O6RbSb thermodynamically stable?
What is the crystal structure of B2O6RbSb?
What is the density of B2O6RbSb?
How many polymorphs of B2O6RbSb are known?
How is B2O6RbSb synthesized?
What elements does B2O6RbSb contain?
Where does the data for B2O6RbSb come from?
Data sources & attribution
- materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
- cod — Data from the Crystallography Open Database (crystallography.net/cod/). Cite: Grazulis et al., J. Appl. Cryst. 42, 726 (2009). (CC0-1.0)
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