Hg2LiSn
Hg2LiSn is a semiconducting ternary compound consisting of mercury, lithium, and tin that is currently studied for its structural properties.
About Hg2LiSn
Hg2LiSn is a complex ternary compound composed of mercury, lithium, and tin. It exhibits semiconducting electronic characteristics, placing it in a unique category of materials that bridge metallic and insulating behaviors.
Due to its position above the thermodynamic hull, this compound is considered potentially unstable under standard conditions. Despite this, it remains a subject of interest for researchers investigating the structural diversity of mercury-based intermetallic systems.
Key Properties
Cross-validated computational properties for Hg2LiSn, 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 Hg2LiSn, 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 | 0.18 | 0.8637 | -0.956 | 0.84 |
| P4/mmm (No. 123) | — | — | — | — | — |
| — | — | — | — | — | 9.46 |
| — | — | — | — | — | 9.46 |
Frequently Asked Questions
Common questions about Hg2LiSn, answered from cross-validated data.
What is Hg2LiSn?
Hg2LiSn is a semiconducting ternary compound consisting of mercury, lithium, and tin that is currently studied for its structural properties.
What is the band gap of Hg2LiSn?
Is Hg2LiSn a metal, semiconductor, or insulator?
Is Hg2LiSn thermodynamically stable?
What is the crystal structure of Hg2LiSn?
What is the density of Hg2LiSn?
How many polymorphs of Hg2LiSn are known?
What elements does Hg2LiSn contain?
Where does the data for Hg2LiSn come from?
How It Compares
As a unique ternary phase, Hg2LiSn represents a distinct structural arrangement within the broader landscape of mercury-lithium-tin chemistry, serving as a specific point of study for phase stability and electronic behavior in complex multi-element systems.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- nomad — Data from NOMAD. Cite: Draxl & Scheffler, J. Phys. Mater. 2, 036001 (2019).
- omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).
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