K24O36Se8
K24O36Se8 is a thermodynamically stable, semiconducting inorganic compound consisting of potassium, oxygen, and selenium.
About K24O36Se8
K24O36Se8 is a complex inorganic compound composed of potassium, oxygen, and selenium. As a thermodynamically stable phase located on the convex hull, it represents a robust configuration of these elements that maintains structural integrity under standard conditions. Its electronic character is defined as semiconducting, which positions it as a subject of interest for researchers investigating electronic and optoelectronic material behaviors. The compound is supported by multiple reported structures across major databases, reflecting its significance in structural chemistry.
Key Properties
Cross-validated computational properties for K24O36Se8, 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 K24O36Se8, 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. |
|---|---|---|---|---|---|
| P41212 (No. 92) | tetragonal | 1.63 | 0.0000 | -5.153 | 3.11 |
| — | — | — | — | — | 2.93 |
| P41212 (No. 92) | — | — | — | — | — |
Applications
Where K24O36Se8 is used.
Frequently Asked Questions
Common questions about K24O36Se8, answered from cross-validated data.
What is K24O36Se8?
K24O36Se8 is a thermodynamically stable, semiconducting inorganic compound consisting of potassium, oxygen, and selenium.
What is K24O36Se8 used for?
What is the band gap of K24O36Se8?
Is K24O36Se8 a metal, semiconductor, or insulator?
Is K24O36Se8 thermodynamically stable?
What is the crystal structure of K24O36Se8?
What is the density of K24O36Se8?
How many polymorphs of K24O36Se8 are known?
What elements does K24O36Se8 contain?
Where does the data for K24O36Se8 come from?
How It Compares
As a unique ternary phase, K24O36Se8 serves as a distinct example of how potassium, oxygen, and selenium can organize into a stable semiconducting framework, providing a baseline for exploring the wider compositional space of alkali metal selenites and oxides.
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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