Rb2MnF5
Rb2MnF5 is a stable, semiconducting fluoride compound containing rubidium and manganese that is primarily studied for its structural and electronic properties.
About Rb2MnF5
Rb2MnF5 is a thermodynamically stable inorganic compound composed of rubidium, manganese, and fluorine. As a member of the fluoride family, it exhibits semiconducting electronic characteristics that make it a subject of interest for researchers investigating specialized electronic and optical properties in solid-state materials.
Its position on the convex hull confirms its inherent stability, suggesting a robust structural framework. This stability, combined with its well-documented structural variations, positions it as a significant candidate for fundamental studies in transition metal fluoride chemistry and potential future technological integration.
Key Properties
Cross-validated computational properties for Rb2MnF5, 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 Rb2MnF5, 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. |
|---|---|---|---|---|---|
| P4/mmm (No. 123) | tetragonal | 1.59 | 0.0000 | -5.559 | 3.57 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 3.30 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 3.49 |
| P4/mmm (No. 123) | Tetragonal | — | — | — | 3.42 |
| P4/mmm (No. 123) | — | — | — | — | — |
Applications
Where Rb2MnF5 is used.
Frequently Asked Questions
Common questions about Rb2MnF5, answered from cross-validated data.
What is Rb2MnF5?
Rb2MnF5 is a stable, semiconducting fluoride compound containing rubidium and manganese that is primarily studied for its structural and electronic properties.
What is Rb2MnF5 used for?
What is the band gap of Rb2MnF5?
Is Rb2MnF5 a metal, semiconductor, or insulator?
Is Rb2MnF5 thermodynamically stable?
What is the crystal structure of Rb2MnF5?
What is the density of Rb2MnF5?
How many polymorphs of Rb2MnF5 are known?
What elements does Rb2MnF5 contain?
Where does the data for Rb2MnF5 come from?
How It Compares
As a distinct fluoride compound, Rb2MnF5 represents a unique structural arrangement within the broader landscape of manganese-based halides. While many related compounds exhibit varying degrees of volatility or sensitivity, this material is notable for maintaining thermodynamic stability, providing a reliable platform for studying the influence of rubidium cations on the manganese-fluorine coordination environment.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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