Be2Li1Os1
Be2Li1Os1 is a semiconducting ternary compound consisting of beryllium, lithium, and osmium atoms.
About Be2Li1Os1
Be2Li1Os1 is a complex ternary compound composed of beryllium, lithium, and osmium. Characterized by its semiconducting electronic nature, this material represents a unique combination of light alkaline earth and alkali metals with a heavy transition metal.
While the compound is currently identified as residing above the thermodynamic hull, it remains a subject of interest for structural studies. Its existence within a large pool of reported structural configurations highlights the intricate phase space accessible to this specific elemental combination.
Key Properties
Cross-validated computational properties for Be2Li1Os1, 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 Be2Li1Os1, 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 | 0.57 | 2.9142 | -2.400 | 0.61 |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| Cmm2 (No. 35) | — | — | — | — | — |
| P2/m (No. 10) | — | — | — | — | — |
| P4/mmm (No. 123) | — | — | — | — | — |
| I-4m2 (No. 119) | — | — | — | — | — |
| F-43m (No. 216) | — | — | — | — | — |
| I4/mmm (No. 139) | — | — | — | — | — |
Frequently Asked Questions
Common questions about Be2Li1Os1, answered from cross-validated data.
What is Be2Li1Os1?
Be2Li1Os1 is a semiconducting ternary compound consisting of beryllium, lithium, and osmium atoms.
What is the band gap of Be2Li1Os1?
Is Be2Li1Os1 a metal, semiconductor, or insulator?
Is Be2Li1Os1 thermodynamically stable?
What is the crystal structure of Be2Li1Os1?
What is the density of Be2Li1Os1?
How many polymorphs of Be2Li1Os1 are known?
What elements does Be2Li1Os1 contain?
Where does the data for Be2Li1Os1 come from?
How It Compares
As a unique ternary phase, Be2Li1Os1 serves as an exploratory entry in the study of beryllium-lithium-osmium systems, representing a distinct structural configuration that does not currently have direct, well-characterized siblings in the same class.
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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