Bi4F28Kr4
Bi4F28Kr4 is a stable, semiconducting inorganic compound containing bismuth, fluorine, and krypton.
About Bi4F28Kr4
Bi4F28Kr4 is a complex inorganic compound composed of bismuth, fluorine, and krypton. As a thermodynamically stable phase residing on the convex hull, it represents a well-defined structural arrangement in the solid state.
Exhibiting semiconducting electronic character, this material offers intriguing potential for specialized electronic applications. Its unique elemental combination distinguishes it as a subject of interest for researchers exploring exotic chemical bonding and electronic properties.
Key Properties
Cross-validated computational properties for Bi4F28Kr4, 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 Bi4F28Kr4, 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. |
|---|---|---|---|---|---|
| P21/c (No. 14) | monoclinic | 2.38 | 0.0000 | -11.589 | 4.60 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.14 |
Frequently Asked Questions
Common questions about Bi4F28Kr4, answered from cross-validated data.
What is Bi4F28Kr4?
Bi4F28Kr4 is a stable, semiconducting inorganic compound containing bismuth, fluorine, and krypton.
What is the band gap of Bi4F28Kr4?
Is Bi4F28Kr4 a metal, semiconductor, or insulator?
Is Bi4F28Kr4 thermodynamically stable?
What is the crystal structure of Bi4F28Kr4?
What is the density of Bi4F28Kr4?
How many polymorphs of Bi4F28Kr4 are known?
What elements does Bi4F28Kr4 contain?
Where does the data for Bi4F28Kr4 come from?
How It Compares
As a rare example of a compound incorporating krypton into a stable crystalline lattice, Bi4F28Kr4 occupies a highly specialized niche in materials science, standing out for its structural stability despite the typically inert nature of noble gases.
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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