Al2F10Mn2
Al2F10Mn2 is a wide-band-gap insulating fluoride compound that is considered thermodynamically stable and a candidate for synthesis.
About Al2F10Mn2
Al2F10Mn2 is a complex fluoride compound characterized by its wide-band-gap insulating electronic profile. Its structural arrangement suggests a distinct electronic environment, making it a significant candidate for fundamental studies in inorganic material science.
As a near-hull material, it is considered thermodynamically stable and likely synthesizable under appropriate laboratory conditions. The presence of multiple reported structures across databases highlights its importance as a subject for experimental verification and computational modeling.
Key Properties
Cross-validated computational properties for Al2F10Mn2, 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 Al2F10Mn2, 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. |
|---|---|---|---|---|---|
| Cmcm (No. 63) | orthorhombic | 4.41 | 0.0090 | -6.684 | 3.50 |
| Immm (No. 71) | orthorhombic | 4.48 | 0.0092 | -6.684 | 3.46 |
| Cmcm (No. 63) | — | — | — | — | — |
| Cmcm (No. 63) | — | — | — | — | — |
| — | — | — | — | — | 3.34 |
Applications
Where Al2F10Mn2 is used.
Frequently Asked Questions
Common questions about Al2F10Mn2, answered from cross-validated data.
What is Al2F10Mn2?
Al2F10Mn2 is a wide-band-gap insulating fluoride compound that is considered thermodynamically stable and a candidate for synthesis.
What is Al2F10Mn2 used for?
What is the band gap of Al2F10Mn2?
Is Al2F10Mn2 a metal, semiconductor, or insulator?
Is Al2F10Mn2 thermodynamically stable?
What is the crystal structure of Al2F10Mn2?
What is the density of Al2F10Mn2?
How many polymorphs of Al2F10Mn2 are known?
What elements does Al2F10Mn2 contain?
Where does the data for Al2F10Mn2 come from?
How It Compares
As a unique inorganic fluoride, Al2F10Mn2 occupies a specialized niche in materials research. Without direct structural analogs in its immediate class, it serves as a distinct reference point for understanding the interplay between aluminum and manganese within complex fluoride lattices.
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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