MnBO2
MnBO2 is a metastable, insulating oxide compound investigated for its potential role as a catalyst in oxygen-evolution processes.
About MnBO2
MnBO2 is a metastable oxide compound characterized by its wide-band-gap insulating electronic structure. As a member of the oxygen-evolution catalyst class, it represents a unique structural configuration of manganese, boron, and oxygen that is currently being explored for its catalytic potential in electrochemical systems.
Its existence as a metastable phase highlights the complexity of synthesis within this chemical family. While it shares the fundamental elemental building blocks of many transition metal oxides, its specific structural arrangement makes it a subject of interest for researchers seeking to tune catalytic activity through unconventional material phases.
Key Properties
Cross-validated computational properties for MnBO2, aggregated across 2 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 MnBO2, 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 | 4.46 | 0.0402 | -8.658 | 4.73 |
| P2/m (No. 10) | Monoclinic | — | — | — | 3.54 |
| P2/m (No. 10) | Monoclinic | — | — | — | 3.85 |
| P2/m (No. 10) | Monoclinic | — | — | — | 3.91 |
| P21/m (No. 11) | Monoclinic | — | — | — | 3.31 |
| P-1 (No. 2) | Triclinic | — | — | — | 3.07 |
| C2/m (No. 12) | Monoclinic | — | — | — | 3.39 |
| P-1 (No. 2) | Triclinic | — | — | — | 3.89 |
| P21/m (No. 11) | Monoclinic | — | — | — | 4.38 |
| P21/m (No. 11) | Monoclinic | — | — | — | 4.13 |
| Pmmn (No. 59) | Orthorhombic | — | — | — | 3.37 |
| Pmmn (No. 59) | Orthorhombic | — | — | — | 3.44 |
Applications
Where MnBO2 is used.
Frequently Asked Questions
Common questions about MnBO2, answered from cross-validated data.
What is MnBO2?
MnBO2 is a metastable, insulating oxide compound investigated for its potential role as a catalyst in oxygen-evolution processes.
What is MnBO2 used for?
What is the band gap of MnBO2?
Is MnBO2 a metal, semiconductor, or insulator?
Is MnBO2 thermodynamically stable?
What is the crystal structure of MnBO2?
What is the density of MnBO2?
How many polymorphs of MnBO2 are known?
What elements does MnBO2 contain?
Where does the data for MnBO2 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Unlike the highly stable and widely utilized LiCoO2 or LiMn2O4, which are staples in battery technology, MnBO2 exists as a metastable phase, placing it in a more experimental category alongside complex perovskites like LaMnO3 and BiFeO3. While its siblings often feature metallic or semi-metallic conductivity, MnBO2 is distinguished by its insulating nature, offering a different electronic landscape for investigating oxygen-evolution reactions.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
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