Hg1Mg2Pb1
This intermetallic compound is composed of mercury, magnesium, and lead. It is primarily studied in materials science research for its structural properties and potential behavior in complex alloy systems.
HgMgPb
Overview
Key Properties
Cross-validated computational properties for Hg1Mg2Pb1, 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.
0.40 eV
Range across DFT structures
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.
1.152 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.
Above hull
1 DFT source
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
26
2 databases, 17 space groups
Crystallography
Reported Structures
Lowest-energy structures reported for Hg1Mg2Pb1, 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. |
|---|---|---|---|---|---|
| Immm (No. 71) | orthorhombic | 0.40 | 1.1524 | -0.804 | 0.62 |
| P4/mmm (No. 123) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| Immm (No. 71) | — | — | — | — | — |
| C2/m (No. 12) | — | — | — | — | — |
| Pmmm (No. 47) | — | — | — | — | — |
| Cm (No. 8) | — | — | — | — | — |
| Cmmm (No. 65) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
| P4mm (No. 99) | — | — | — | — | — |
| Fm-3m (No. 225) | — | — | — | — | — |
Uses
Applications
Where Hg1Mg2Pb1 is used.
Materials science researchSolid-state chemistry studies
Reference
Frequently Asked Questions
Common questions about Hg1Mg2Pb1, answered from cross-validated data.
What is Hg1Mg2Pb1?
This intermetallic compound is composed of mercury, magnesium, and lead. It is primarily studied in materials science research for its structural properties and potential behavior in complex alloy systems.
More questions
What is Hg1Mg2Pb1 used for?
Hg1Mg2Pb1 is used in materials science research and solid-state chemistry studies.
What is the band gap of Hg1Mg2Pb1?
Hg1Mg2Pb1 has a DFT-computed band gap of 0.40 eV across 26 reported structures.
Is Hg1Mg2Pb1 a metal, semiconductor, or insulator?
With a band gap up to 0.40 eV it is a semiconductor.
Is Hg1Mg2Pb1 thermodynamically stable?
Hg1Mg2Pb1 has a lowest energy above hull of 1.152 eV/atom (above hull).
What is the crystal structure of Hg1Mg2Pb1?
The lowest-energy reported polymorph of Hg1Mg2Pb1 is orthorhombic symmetry, space group Immm (No. 71).
What is the density of Hg1Mg2Pb1?
The computed density of the ground-state structure of Hg1Mg2Pb1 is 0.62 g/cm³.
How many polymorphs of Hg1Mg2Pb1 are known?
26 structures of Hg1Mg2Pb1 are reported across 2 databases, spanning 17 distinct space groups.
What elements does Hg1Mg2Pb1 contain?
Hg1Mg2Pb1 contains Hg, Mg, and Pb (3 elements).
Where does the data for Hg1Mg2Pb1 come from?
Hg1Mg2Pb1 data is cross-referenced from materials_project, aflow.
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).
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