Cr4F40Sb4
Cr4F40Sb4 is a stable, semiconducting inorganic compound containing chromium, fluorine, and antimony.
About Cr4F40Sb4
Cr4F40Sb4 is a complex inorganic compound composed of chromium, fluorine, and antimony. As a thermodynamically stable phase residing on the convex hull, it represents a robust structural arrangement that maintains integrity under standard conditions. Its electronic character as a semiconductor makes it an intriguing candidate for specialized electronic and optoelectronic material investigations.
Because this material is documented across multiple structural databases, it serves as a key reference point for researchers studying the intersection of transition metal fluorides and antimony-based complexes. Its stability suggests potential for long-term reliability in applications where chemical consistency is paramount.
Key Properties
Cross-validated computational properties for Cr4F40Sb4, 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 Cr4F40Sb4, 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 | 1.29 | 0.0000 | -5.204 | 3.73 |
| — | — | — | — | — | 3.22 |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where Cr4F40Sb4 is used.
Frequently Asked Questions
Common questions about Cr4F40Sb4, answered from cross-validated data.
What is Cr4F40Sb4?
Cr4F40Sb4 is a stable, semiconducting inorganic compound containing chromium, fluorine, and antimony.
What is Cr4F40Sb4 used for?
What is the band gap of Cr4F40Sb4?
Is Cr4F40Sb4 a metal, semiconductor, or insulator?
Is Cr4F40Sb4 thermodynamically stable?
What is the crystal structure of Cr4F40Sb4?
What is the density of Cr4F40Sb4?
How many polymorphs of Cr4F40Sb4 are known?
What elements does Cr4F40Sb4 contain?
Where does the data for Cr4F40Sb4 come from?
How It Compares
As a unique inorganic phase, Cr4F40Sb4 occupies a distinct niche within the broader landscape of metal-fluoride-antimony compounds. While many similar materials in this chemical space are prone to instability or phase transitions, this compound is notable for its position on the convex hull, indicating a highly favorable energetic state that distinguishes it from more volatile or metastable counterparts.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
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