H6K10O28S10
H6K10O28S10 is a complex, insulating hydrogen-potassium-sulfate compound that exists as a metastable phase in structural chemistry databases.
About H6K10O28S10
H6K10O28S10 is a complex inorganic compound composed of hydrogen, potassium, oxygen, and sulfur. As a wide-band-gap insulator, it exhibits the electronic characteristics typical of highly stable ionic salts, though it currently lacks a formal classification within standard material frameworks.
This compound is notable for its presence in structural databases despite being identified as a metastable phase located above the thermodynamic hull. Its existence in multiple reported structures suggests it may be accessible under specific synthetic conditions, making it a subject of interest for fundamental structural chemistry research.
Key Properties
Cross-validated computational properties for H6K10O28S10, 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 H6K10O28S10, 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. |
|---|---|---|---|---|---|
| C2/m (No. 12) | monoclinic | 3.66 | 0.1039 | -5.750 | 2.15 |
| C2/m (No. 12) | — | — | — | — | — |
| — | — | — | — | — | 2.11 |
Frequently Asked Questions
Common questions about H6K10O28S10, answered from cross-validated data.
What is H6K10O28S10?
H6K10O28S10 is a complex, insulating hydrogen-potassium-sulfate compound that exists as a metastable phase in structural chemistry databases.
What is the band gap of H6K10O28S10?
Is H6K10O28S10 a metal, semiconductor, or insulator?
Is H6K10O28S10 thermodynamically stable?
What is the crystal structure of H6K10O28S10?
What is the density of H6K10O28S10?
How many polymorphs of H6K10O28S10 are known?
What elements does H6K10O28S10 contain?
Where does the data for H6K10O28S10 come from?
How It Compares
As a unique compound with no direct siblings provided in this class, H6K10O28S10 serves as an example of the structural diversity found in complex sulfate-based systems. Its thermodynamic profile highlights the challenges of predicting the stability of multi-component hydrogen-bearing salts compared to more common, highly stable mineral phases.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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