Bi2Cl2O4Sr2
Bi2Cl2O4Sr2 is a stable, insulating inorganic compound composed of bismuth, chlorine, oxygen, and strontium.
About Bi2Cl2O4Sr2
Bi2Cl2O4Sr2 is a complex inorganic compound characterized by its insulating electronic nature and high thermodynamic stability. As a material residing on the convex hull, it represents a robust phase that maintains structural integrity under standard conditions.
Its unique composition of bismuth, chlorine, oxygen, and strontium suggests potential utility in specialized dielectric or optical applications. The compound has been identified across multiple structural databases, highlighting its significance in ongoing materials discovery efforts.
Key Properties
Cross-validated computational properties for Bi2Cl2O4Sr2, 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 Bi2Cl2O4Sr2, 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 | 3.30 | 0.0000 | -5.882 | 5.78 |
| — | — | — | — | — | 5.31 |
| — | — | — | — | — | 5.77 |
| Cmcm (No. 63) | — | — | — | — | — |
Applications
Where Bi2Cl2O4Sr2 is used.
Frequently Asked Questions
Common questions about Bi2Cl2O4Sr2, answered from cross-validated data.
What is Bi2Cl2O4Sr2?
Bi2Cl2O4Sr2 is a stable, insulating inorganic compound composed of bismuth, chlorine, oxygen, and strontium.
What is Bi2Cl2O4Sr2 used for?
What is the band gap of Bi2Cl2O4Sr2?
Is Bi2Cl2O4Sr2 a metal, semiconductor, or insulator?
Is Bi2Cl2O4Sr2 thermodynamically stable?
What is the crystal structure of Bi2Cl2O4Sr2?
What is the density of Bi2Cl2O4Sr2?
How many polymorphs of Bi2Cl2O4Sr2 are known?
What elements does Bi2Cl2O4Sr2 contain?
Where does the data for Bi2Cl2O4Sr2 come from?
How It Compares
As a distinct inorganic phase, Bi2Cl2O4Sr2 serves as a foundational example of multi-element bismuth-based oxides. While it currently stands as a unique entry in this structural class, its stability and insulating character provide a benchmark for evaluating the properties of related bismuth-strontium-halide-oxide systems.
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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