Au5Mn2
This intermetallic compound is composed of gold and manganese. It is primarily studied in the field of materials science for its unique magnetic and structural properties in specialized alloy research.
AuMn
Overview
Key Properties
Cross-validated computational properties for Au5Mn2, aggregated across 5 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.
Metallic / not reported
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.
0.014 eV/atom
Best (lowest) across sources
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.
Near hull (likely stable)
3 DFT sources
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
9
5 databases, 2 space groups
Validation
Cross-Source DFT Agreement
How well independent DFT databases agree on the thermodynamics of Au5Mn2. 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.
1.00 / 1.00
Trust tier: high
Hull SpreadDifference between the highest and lowest energy-above-hull values reported by comparable sources. Smaller spread means less thermodynamic disagreement.
0.000 eV
EAH spread across sources
Sources ComparedNumber and names of computational sources with comparable entries for this formula.
3
aflow, materials_project, nomad
Space Group ConsensusWhether independent sources predict the same crystal symmetry for the lowest-energy structure.
All match
Crystallography
Reported Structures
Lowest-energy structures reported for Au5Mn2, 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 | 0.00 | 0.0144 | -40.628 | 15.40 |
| No. 0 | unknown | — | — | — | 15.58 |
| — | — | — | — | — | 15.15 |
| — | — | — | — | — | 15.15 |
| C2/m (No. 12) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
Uses
Applications
Where Au5Mn2 is used.
Materials science researchMagnetic alloy studiesFundamental condensed matter physics
Reference
Frequently Asked Questions
Common questions about Au5Mn2, answered from cross-validated data.
What is Au5Mn2?
This intermetallic compound is composed of gold and manganese. It is primarily studied in the field of materials science for its unique magnetic and structural properties in specialized alloy research.
More questions
What is Au5Mn2 used for?
Au5Mn2 is used in materials science research, magnetic alloy studies, and fundamental condensed matter physics.
What is the band gap of Au5Mn2?
Au5Mn2 is computed to be metallic (no band gap) in the reported DFT structures.
Is Au5Mn2 a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Au5Mn2 thermodynamically stable?
Au5Mn2 has a lowest energy above hull of 0.014 eV/atom (near hull (likely stable)).
What is the crystal structure of Au5Mn2?
The lowest-energy reported polymorph of Au5Mn2 is monoclinic symmetry, space group C2/m (No. 12).
What is the density of Au5Mn2?
The computed density of the ground-state structure of Au5Mn2 is 15.40 g/cm³.
How many polymorphs of Au5Mn2 are known?
9 structures of Au5Mn2 are reported across 5 databases, spanning 2 distinct space groups.
What elements does Au5Mn2 contain?
Au5Mn2 contains Au and Mn (2 elements).
Where does the data for Au5Mn2 come from?
Au5Mn2 data is cross-referenced from materials_project, cod, omat24, aflow, nomad.
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).
- aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
Analyze Au5Mn2 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →