As4Cd8Cl8
As4Cd8Cl8 is a semiconducting inorganic compound containing arsenic, cadmium, and chlorine that is predicted to be stable enough for synthesis.
About As4Cd8Cl8
As4Cd8Cl8 is a complex inorganic compound composed of arsenic, cadmium, and chlorine. It exhibits semiconducting electronic properties, making it an intriguing subject for research into specialized electronic materials where precise band structure control is required.
Due to its near-hull thermodynamic stability, this material is considered a likely candidate for successful laboratory synthesis. Its existence across multiple structural databases highlights its potential as a stable phase within the broader landscape of metal-halide-pnictide systems.
Key Properties
Cross-validated computational properties for As4Cd8Cl8, 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 As4Cd8Cl8, 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 | 1.08 | 0.0027 | -2.981 | 4.48 |
| — | — | — | — | — | 4.51 |
| P21/c (No. 14) | — | — | — | — | — |
| P21/c (No. 14) | — | — | — | — | — |
Applications
Where As4Cd8Cl8 is used.
Frequently Asked Questions
Common questions about As4Cd8Cl8, answered from cross-validated data.
What is As4Cd8Cl8?
As4Cd8Cl8 is a semiconducting inorganic compound containing arsenic, cadmium, and chlorine that is predicted to be stable enough for synthesis.
What is As4Cd8Cl8 used for?
What is the band gap of As4Cd8Cl8?
Is As4Cd8Cl8 a metal, semiconductor, or insulator?
Is As4Cd8Cl8 thermodynamically stable?
What is the crystal structure of As4Cd8Cl8?
What is the density of As4Cd8Cl8?
How many polymorphs of As4Cd8Cl8 are known?
What elements does As4Cd8Cl8 contain?
Where does the data for As4Cd8Cl8 come from?
How It Compares
As a distinct inorganic phase, As4Cd8Cl8 represents a specialized structural arrangement within the broader family of arsenic-cadmium-chlorine compounds. While it lacks direct siblings in this specific dataset, its stability profile suggests it occupies a unique niche in the phase space of semiconducting halides.
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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