F14Mn6O20P6Rb6
F14Mn6O20P6Rb6 is a stable, semiconducting transition-metal phosphate compound containing manganese, rubidium, and fluorine.
About F14Mn6O20P6Rb6
F14Mn6O20P6Rb6 is a complex transition-metal phosphate characterized by its semiconducting electronic nature. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement within the broader family of phosphate-based materials.
This compound is of significant interest to researchers investigating the structural diversity of transition-metal phosphates. Its unique composition of manganese, rubidium, and fluorine within a phosphate framework provides a distinct platform for studying electronic behavior and structural stability in complex inorganic systems.
Key Properties
Cross-validated computational properties for F14Mn6O20P6Rb6, 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 F14Mn6O20P6Rb6, 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. |
|---|---|---|---|---|---|
| Cc (No. 9) | monoclinic | 0.58 | 0.0000 | -6.951 | 3.40 |
| Cc (No. 9) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 0.90 |
| Cc (No. 9) | monoclinic | — | — | — | 0.90 |
Frequently Asked Questions
Common questions about F14Mn6O20P6Rb6, answered from cross-validated data.
What is F14Mn6O20P6Rb6?
F14Mn6O20P6Rb6 is a stable, semiconducting transition-metal phosphate compound containing manganese, rubidium, and fluorine.
What is the band gap of F14Mn6O20P6Rb6?
Is F14Mn6O20P6Rb6 a metal, semiconductor, or insulator?
Is F14Mn6O20P6Rb6 thermodynamically stable?
What is the crystal structure of F14Mn6O20P6Rb6?
What is the density of F14Mn6O20P6Rb6?
How many polymorphs of F14Mn6O20P6Rb6 are known?
What elements does F14Mn6O20P6Rb6 contain?
Where does the data for F14Mn6O20P6Rb6 come from?
How It Compares
Within the transition-metal phosphates class.
Unlike the well-known lithium-based battery materials such as LiFePO4, LiMnPO4, and LiCoPO4, which are primarily optimized for ion mobility and redox activity, F14Mn6O20P6Rb6 features a more complex anionic framework incorporating fluorine. While siblings like TiP2O7 or LiFeP2O7 are frequently studied for their specific electrochemical or thermal properties, this compound stands out due to its specific stoichiometry and stable structural configuration.
Related Compounds
Other Transition-Metal Phosphates in the database.
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).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
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