Mn2Sb
Mn2Sb is a thermodynamically stable metallic intermetallic compound formed from manganese and antimony.
About Mn2Sb
Mn2Sb is a metallic compound composed of manganese and antimony. As a thermodynamically stable phase located on the convex hull, it represents a robust structural configuration that has been extensively documented across various materials databases.
Its metallic nature and structural reliability make it a significant subject for researchers investigating intermetallic systems. The high volume of reported structures highlights its importance in understanding phase stability and atomic arrangement in binary manganese-antimony alloys.
Key Properties
Cross-validated computational properties for Mn2Sb, aggregated across 4 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.
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Mn2Sb. Tight agreement means computed properties can be trusted without re-running calculations.
Agreement ScoreA normalized confidence score summarizing how closely independent DFT databases agree. Higher scores mean tighter cross-source agreement.
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
Reported Structures
Lowest-energy structures reported for Mn2Sb, 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. |
|---|---|---|---|---|---|
| P4/nmm (No. 129) | tetragonal | 0.00 | 0.0000 | -18.573 | 6.95 |
| P63/mmc (No. 194) | hexagonal | 0.00 | 0.2294 | -18.344 | 7.89 |
| F-43m (No. 216) | cubic | 0.00 | 0.3213 | -18.252 | 7.10 |
| P1 (No. 1) | Triclinic | — | — | — | 4.35 |
| P63/mmc (No. 194) | Hexagonal | — | — | — | 5.68 |
| P1 (No. 1) | Triclinic | — | — | — | 5.49 |
| Cm (No. 8) | Monoclinic | — | — | — | 5.28 |
| P1 (No. 1) | Triclinic | — | — | — | 6.02 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 6.70 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 6.91 |
| P21/m (No. 11) | Monoclinic | — | — | — | 5.06 |
| P21/m (No. 11) | Monoclinic | — | — | — | 5.44 |
Applications
Where Mn2Sb is used.
Frequently Asked Questions
Common questions about Mn2Sb, answered from cross-validated data.
What is Mn2Sb?
Mn2Sb is a thermodynamically stable metallic intermetallic compound formed from manganese and antimony.
What is Mn2Sb used for?
What is the band gap of Mn2Sb?
Is Mn2Sb a metal, semiconductor, or insulator?
Is Mn2Sb thermodynamically stable?
What is the crystal structure of Mn2Sb?
What is the density of Mn2Sb?
How many polymorphs of Mn2Sb are known?
What elements does Mn2Sb contain?
Where does the data for Mn2Sb come from?
How It Compares
As a stable intermetallic compound, Mn2Sb serves as a foundational reference point for studying the binary interactions between manganese and antimony, providing insight into the structural behavior of metallic systems without the complexity of ternary or higher-order alloying elements.
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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