Cl4Cu4Te8
Cl4Cu4Te8 is a thermodynamically stable semiconducting compound containing copper, chlorine, and tellurium.
About Cl4Cu4Te8
Cl4Cu4Te8 is a complex inorganic compound composed of chlorine, copper, and tellurium. As a thermodynamically stable phase located on the convex hull, it represents a robust structural arrangement within its chemical system.
This material exhibits semiconducting electronic character, making it a subject of interest for researchers investigating tunable electronic properties. Its existence across multiple structural configurations highlights its versatility in solid-state chemistry.
Key Properties
Cross-validated computational properties for Cl4Cu4Te8, 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 Cl4Cu4Te8, 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 | -17.290 | 5.14 |
| — | — | — | — | — | 4.78 |
| — | — | — | — | — | 5.16 |
| — | — | — | — | — | 3.73 |
| — | — | — | — | — | 5.09 |
| — | — | — | — | — | 4.99 |
| — | — | — | — | — | 4.80 |
| — | — | — | — | — | 4.43 |
| P21/c (No. 14) | — | — | — | — | — |
| — | — | — | — | — | 4.27 |
Frequently Asked Questions
Common questions about Cl4Cu4Te8, answered from cross-validated data.
What is Cl4Cu4Te8?
Cl4Cu4Te8 is a thermodynamically stable semiconducting compound containing copper, chlorine, and tellurium.
What is the band gap of Cl4Cu4Te8?
Is Cl4Cu4Te8 a metal, semiconductor, or insulator?
Is Cl4Cu4Te8 thermodynamically stable?
What is the crystal structure of Cl4Cu4Te8?
What is the density of Cl4Cu4Te8?
How many polymorphs of Cl4Cu4Te8 are known?
What elements does Cl4Cu4Te8 contain?
Where does the data for Cl4Cu4Te8 come from?
How It Compares
As a distinct member of its chemical family, Cl4Cu4Te8 occupies a unique position due to its inherent thermodynamic stability. While it currently stands as a singular entry in this context, its balanced composition of chalcogen and halide components provides a foundation for exploring broader trends in copper-based semiconductor materials.
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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