K5Te3
This compound is an alkali metal telluride composed of potassium and tellurium. It is primarily utilized in solid-state chemistry research as a precursor for the synthesis of more complex chalcogenide materials.
KTe
Overview
Key Properties
Cross-validated computational properties for K5Te3, 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.
0.17 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)
2 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
9
3 databases, 3 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for K5Te3, 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. |
|---|---|---|---|---|---|
| I4/m (No. 87) | tetragonal | 0.17 | 0.0000 | -14.467 | 3.15 |
| Pm (No. 6) | Monoclinic | — | — | — | 3.32 |
| Pm (No. 6) | Monoclinic | — | — | — | 2.71 |
| Pm (No. 6) | Monoclinic | — | — | — | 2.49 |
| I4/m (No. 87) | Tetragonal | — | — | — | 3.12 |
| I4/mcm (No. 140) | — | — | — | — | — |
| I4/mcm (No. 140) | — | — | — | — | — |
| I4/m (No. 87) | Tetragonal | — | — | — | 3.07 |
| I4/m (No. 87) | Tetragonal | — | — | — | 3.14 |
Uses
Applications
Where K5Te3 is used.
Solid-state chemistry researchPrecursor for complex chalcogenide synthesis
Reference
Frequently Asked Questions
Common questions about K5Te3, answered from cross-validated data.
What is K5Te3?
This compound is an alkali metal telluride composed of potassium and tellurium. It is primarily utilized in solid-state chemistry research as a precursor for the synthesis of more complex chalcogenide materials.
More questions
What is K5Te3 used for?
K5Te3 is used in solid-state chemistry research and precursor for complex chalcogenide synthesis.
What is the band gap of K5Te3?
K5Te3 has a DFT-computed band gap of 0.17 eV across 9 reported structures.
Is K5Te3 a metal, semiconductor, or insulator?
With a band gap up to 0.17 eV it is a semiconductor.
Is K5Te3 thermodynamically stable?
Yes — K5Te3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of K5Te3?
The lowest-energy reported polymorph of K5Te3 is tetragonal symmetry, space group I4/m (No. 87).
What is the density of K5Te3?
The computed density of the ground-state structure of K5Te3 is 3.15 g/cm³.
How many polymorphs of K5Te3 are known?
9 structures of K5Te3 are reported across 3 databases, spanning 3 distinct space groups.
What elements does K5Te3 contain?
K5Te3 contains K and Te (2 elements).
Where does the data for K5Te3 come from?
K5Te3 data is cross-referenced from materials_project, mpaloe, jarvis.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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