H24K8O32P8
H24K8O32P8 is a metastable, insulating phosphate compound containing hydrogen and potassium.
About H24K8O32P8
H24K8O32P8 is a complex, hydrogen-containing potassium phosphate compound characterized by its wide-band-gap insulating electronic nature. As a metastable material, it represents a specific structural arrangement within the phosphate family, offering unique insights into the bonding behavior of phosphorus and oxygen in the presence of alkali metal cations.
Due to its insulating properties, this compound is of interest for fundamental research into dielectric materials and solid-state chemistry. Its existence as a metastable phase highlights the intricate energy landscape of phosphate-based inorganic solids, providing a target for studies on structural stability and phase transitions.
Key Properties
Cross-validated computational properties for H24K8O32P8, 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 H24K8O32P8, 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 | 5.23 | 0.0466 | -5.957 | 2.07 |
| No. 0 | unknown | — | — | — | 0.59 |
| — | — | — | — | — | 2.05 |
| No. 0 | unknown | — | — | — | 0.54 |
Applications
Where H24K8O32P8 is used.
Frequently Asked Questions
Common questions about H24K8O32P8, answered from cross-validated data.
What is H24K8O32P8?
H24K8O32P8 is a metastable, insulating phosphate compound containing hydrogen and potassium.
What is H24K8O32P8 used for?
What is the band gap of H24K8O32P8?
Is H24K8O32P8 a metal, semiconductor, or insulator?
Is H24K8O32P8 thermodynamically stable?
What is the crystal structure of H24K8O32P8?
What is the density of H24K8O32P8?
How many polymorphs of H24K8O32P8 are known?
What elements does H24K8O32P8 contain?
Where does the data for H24K8O32P8 come from?
How It Compares
As a unique inorganic phosphate, H24K8O32P8 occupies a specialized niche within the broader landscape of complex phosphates, serving as a distinct example of how hydrogen and potassium coordination influence the stability of the phosphate framework.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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