Hg1Sb1Tl2

Hg1Sb1Tl2 is a semimetallic ternary compound composed of mercury, antimony, and thallium that exhibits structural complexity and metastable character.

HgSbTl
Crystal structure of Hg1Sb1Tl2
Ground-state structure · Materials Project
Overview

About Hg1Sb1Tl2

Hg1Sb1Tl2 is a complex ternary compound composed of mercury, antimony, and thallium. Its electronic character is defined as semimetallic, placing it near the boundary of metallic and insulating behavior, which is a subject of interest for fundamental condensed matter research. Given the diversity of reported structural arrangements, it represents a multifaceted system within inorganic chemistry. Because it is positioned above the thermodynamic hull, it is considered a metastable phase, suggesting that its synthesis and preservation require specific kinetic control. Its existence as a distinct structural entity highlights the intricate bonding possibilities between these heavy elements.

At a glance

Key Properties

Cross-validated computational properties for Hg1Sb1Tl2, aggregated across 2 databases.

Band Gap

0.02 eV
Range across DFT structures

Energy Above Hull

0.673 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

26
2 databases, 17 space groups
Reference

Frequently Asked Questions

Common questions about Hg1Sb1Tl2, answered from cross-validated data.

What is Hg1Sb1Tl2?

Hg1Sb1Tl2 is a semimetallic ternary compound composed of mercury, antimony, and thallium that exhibits structural complexity and metastable character.

More questions
What is the band gap of Hg1Sb1Tl2?
Hg1Sb1Tl2 has a DFT-computed band gap of 0.02 eV across 26 reported structures.
Is Hg1Sb1Tl2 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Hg1Sb1Tl2 thermodynamically stable?
Hg1Sb1Tl2 has a lowest energy above hull of 0.673 eV/atom (above hull).
How many polymorphs of Hg1Sb1Tl2 are known?
26 structures of Hg1Sb1Tl2 are reported across 2 databases, spanning 17 distinct space groups.
What elements does Hg1Sb1Tl2 contain?
Hg1Sb1Tl2 contains Hg, Sb, and Tl (3 elements).
Where does the data for Hg1Sb1Tl2 come from?
Hg1Sb1Tl2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique ternary phase, Hg1Sb1Tl2 occupies a specialized niche in materials science where the combination of heavy post-transition metals and metalloids creates complex electronic landscapes. Unlike simpler binary intermetallics, this compound demonstrates the structural variability inherent in multi-element systems where thermodynamic stability is delicately balanced against kinetic factors.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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