F28O12Os8
This compound is a complex inorganic substance containing osmium, oxygen, and fluorine. It is primarily studied in the context of advanced materials research and specialized chemical synthesis.
FOOs
Overview
Key Properties
Cross-validated computational properties for F28O12Os8, 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.
0.60 eV
Range across DFT structures
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.
0.000 eV/atom
Best (lowest) across sources
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.
On hull (stable)
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
3
3 databases, 2 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for F28O12Os8, 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 | 0.60 | 0.0000 | -6.125 | 5.70 |
| P21/c (No. 14) | — | — | — | — | — |
| No. 0 | unknown | — | — | — | 1.43 |
Uses
Applications
Where F28O12Os8 is used.
Materials science researchChemical synthesis
Reference
Frequently Asked Questions
Common questions about F28O12Os8, answered from cross-validated data.
What is F28O12Os8?
This compound is a complex inorganic substance containing osmium, oxygen, and fluorine. It is primarily studied in the context of advanced materials research and specialized chemical synthesis.
More questions
What is F28O12Os8 used for?
F28O12Os8 is used in materials science research and chemical synthesis.
What is the band gap of F28O12Os8?
F28O12Os8 has a DFT-computed band gap of 0.60 eV across 3 reported structures.
Is F28O12Os8 a metal, semiconductor, or insulator?
With a band gap up to 0.60 eV it is a semiconductor.
Is F28O12Os8 thermodynamically stable?
Yes — F28O12Os8 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of F28O12Os8?
The lowest-energy reported polymorph of F28O12Os8 is monoclinic symmetry, space group P21/c (No. 14).
What is the density of F28O12Os8?
The computed density of the ground-state structure of F28O12Os8 is 5.70 g/cm³.
How many polymorphs of F28O12Os8 are known?
3 structures of F28O12Os8 are reported across 3 databases, spanning 2 distinct space groups.
What elements does F28O12Os8 contain?
F28O12Os8 contains F, O, and Os (3 elements).
Where does the data for F28O12Os8 come from?
F28O12Os8 data is cross-referenced from materials_project, aflow, cod.
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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