H4K2Mn2O10P2
H4K2Mn2O10P2 is a semiconducting transition-metal phosphate that is considered a promising candidate for synthesis and further study in electrochemical applications.
About H4K2Mn2O10P2
H4K2Mn2O10P2 is a complex transition-metal phosphate characterized by its semiconducting electronic nature. As a near-hull stable phase, it represents a viable candidate for experimental synthesis and structural investigation within the broader family of phosphate-based materials. Its unique composition of hydrogen, potassium, manganese, oxygen, and phosphorus offers a distinct framework for exploring ion-transport properties. The material is primarily studied for its potential roles in electrochemical energy storage systems where structural stability and redox activity are essential. Its existence across multiple databases underscores its significance as a target for researchers exploring novel cathode or electrolyte materials.
Key Properties
Cross-validated computational properties for H4K2Mn2O10P2, 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 H4K2Mn2O10P2, 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. |
|---|---|---|---|---|---|
| Pmn21 (No. 31) | orthorhombic | 2.84 | 0.0143 | -6.909 | 2.85 |
| Pmn21 (No. 31) | — | — | — | — | — |
| Pmn21 (No. 31) | — | — | — | — | — |
| Pmn21 (No. 31) | — | — | — | — | — |
| — | — | — | — | — | 2.56 |
Applications
Where H4K2Mn2O10P2 is used.
Frequently Asked Questions
Common questions about H4K2Mn2O10P2, answered from cross-validated data.
What is H4K2Mn2O10P2?
H4K2Mn2O10P2 is a semiconducting transition-metal phosphate that is considered a promising candidate for synthesis and further study in electrochemical applications.
What is H4K2Mn2O10P2 used for?
What is the band gap of H4K2Mn2O10P2?
Is H4K2Mn2O10P2 a metal, semiconductor, or insulator?
Is H4K2Mn2O10P2 thermodynamically stable?
What is the crystal structure of H4K2Mn2O10P2?
What is the density of H4K2Mn2O10P2?
How many polymorphs of H4K2Mn2O10P2 are known?
What elements does H4K2Mn2O10P2 contain?
Where does the data for H4K2Mn2O10P2 come from?
How It Compares
Within the transition-metal phosphates class.
Within the diverse class of transition-metal phosphates, H4K2Mn2O10P2 occupies a specialized niche compared to well-known battery materials like LiFePO4 or LiMnPO4. While its siblings are frequently utilized for their robust olivine-type frameworks, this compound offers a different structural complexity that distinguishes it from the simpler orthophosphates and pyrophosphates such as FePO4 or TiP2O7.
Related Compounds
Other Transition-Metal Phosphates in the database.
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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