F24U4
F24U4 is a thermodynamically stable, semiconducting uranium fluoride compound.
About F24U4
F24U4 is a distinct uranium fluoride compound characterized by its semiconducting electronic nature. As a thermodynamically stable phase residing on the convex hull, it represents a robust configuration within the uranium-fluorine chemical space. Its structural integrity is supported by multiple reported crystalline arrangements found across various materials databases. The compound serves as a critical subject for understanding the complex bonding behaviors between actinides and halogens. Its stability suggests potential for specialized applications where predictable electronic performance is required under specific environmental conditions.
Key Properties
Cross-validated computational properties for F24U4, 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 F24U4, 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. |
|---|---|---|---|---|---|
| Pnma (No. 62) | orthorhombic | 2.79 | 0.0000 | -17.582 | 5.48 |
| Pnma (No. 62) | orthorhombic | 2.77 | 0.0028 | -17.579 | 5.40 |
| Pnma (No. 62) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
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| Pnma (No. 62) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
| Pnma (No. 62) | — | — | — | — | — |
Applications
Where F24U4 is used.
Frequently Asked Questions
Common questions about F24U4, answered from cross-validated data.
What is F24U4?
F24U4 is a thermodynamically stable, semiconducting uranium fluoride compound.
What is F24U4 used for?
What is the band gap of F24U4?
Is F24U4 a metal, semiconductor, or insulator?
Is F24U4 thermodynamically stable?
What is the crystal structure of F24U4?
What is the density of F24U4?
How many polymorphs of F24U4 are known?
What elements does F24U4 contain?
Where does the data for F24U4 come from?
How It Compares
As a unique uranium fluoride, F24U4 occupies a specialized niche in inorganic chemistry, representing a stable stoichiometry that highlights the diverse structural possibilities within actinide-fluoride systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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