Tl2Cl3

Tl2Cl3 is a stable, semiconducting inorganic compound composed of thallium and chlorine.

ClTl
Crystal structure of Tl2Cl3 (orthorhombic, Pnma (No. 62))
Ground-state structure · Materials Project
Overview

About Tl2Cl3

Tl2Cl3 is a semiconducting inorganic compound that exists in a thermodynamically stable state on the convex hull. Its electronic character suggests potential utility in specialized electronic or optoelectronic applications where specific charge transport properties are required.

With multiple reported structural configurations across various databases, this compound represents a well-documented material system. Its stability makes it a reliable candidate for fundamental research into thallium-based halide systems and their underlying physical behaviors.

At a glance

Key Properties

Cross-validated computational properties for Tl2Cl3, aggregated across 3 databases.

Band Gap

1.88 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

9
3 databases, 3 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Tl2Cl3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pnma (No. 62)orthorhombic1.880.0000-3.3285.44
R-3m (No. 166)trigonal0.000.1411-3.1875.21
R-3m (No. 166)Trigonal5.21
R-3m (No. 166)Trigonal5.37
R-3m (No. 166)Trigonal5.45
Cm (No. 8)Monoclinic4.46
Cm (No. 8)Monoclinic4.45
Cm (No. 8)Monoclinic4.43
R-3m (No. 166)
Uses

Applications

Where Tl2Cl3 is used.

Fundamental materials researchSemiconductor physics studies
Reference

Frequently Asked Questions

Common questions about Tl2Cl3, answered from cross-validated data.

What is Tl2Cl3?

Tl2Cl3 is a stable, semiconducting inorganic compound composed of thallium and chlorine.

More questions
What is Tl2Cl3 used for?
Tl2Cl3 is used in fundamental materials research and semiconductor physics studies.
What is the band gap of Tl2Cl3?
Tl2Cl3 has a DFT-computed band gap of 1.88 eV across 9 reported structures.
Is Tl2Cl3 a metal, semiconductor, or insulator?
With a band gap up to 1.88 eV it is a semiconductor.
Is Tl2Cl3 thermodynamically stable?
Yes — Tl2Cl3 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of Tl2Cl3?
The lowest-energy reported polymorph of Tl2Cl3 is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of Tl2Cl3?
The computed density of the ground-state structure of Tl2Cl3 is 5.44 g/cm³.
How many polymorphs of Tl2Cl3 are known?
9 structures of Tl2Cl3 are reported across 3 databases, spanning 3 distinct space groups.
What elements does Tl2Cl3 contain?
Tl2Cl3 contains Cl and Tl (2 elements).
Where does the data for Tl2Cl3 come from?
Tl2Cl3 data is cross-referenced from materials_project, mpaloe, jarvis.
Comparison

How It Compares

As a unique member of the thallium-chloride system, Tl2Cl3 occupies a distinct position due to its inherent thermodynamic stability. Unlike less stable phases that may require specific synthesis conditions, this compound remains a robust subject for investigation into the electronic properties of metal halides.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

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