ClTl

Thallium(I) chloride · Thallous chloride

Thallium(I) chloride is a stable, semiconducting inorganic compound primarily utilized for its specialized optical and detection properties.

ClTl
Crystal structure of ClTl
Ground-state structure · Materials Project
Overview

About Thallium(I) chloride

Thallium(I) chloride is a well-characterized inorganic halide that exists in a thermodynamically stable state on the convex hull. As a semiconducting material, it exhibits distinct electronic properties that make it a subject of significant interest in materials science research, supported by a diverse range of reported structural configurations.

Its utility is largely defined by its unique interaction with radiation and light, positioning it as a specialized component in advanced detection technologies. The stability of this compound ensures its reliability in demanding environments where consistent material performance is required.

At a glance

Key Properties

Cross-validated computational properties for Thallium(I) chloride, aggregated across 4 databases.

Band Gap

1.87–2.54 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

13
4 databases, 4 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of ClTl. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
materials_project, nomad

Space Group Consensus

All match
Uses

Applications

Where Thallium(I) chloride is used.

Radiation detectionOptical componentsInfrared spectroscopy
Reference

Frequently Asked Questions

Common questions about Thallium(I) chloride, answered from cross-validated data.

What is ClTl?

Thallium(I) chloride is a stable, semiconducting inorganic compound primarily utilized for its specialized optical and detection properties.

More questions
What is ClTl used for?
Thallium(I) chloride (ClTl) is used in radiation detection, optical components, and infrared spectroscopy.
What is the band gap of ClTl?
Thallium(I) chloride (ClTl) has a DFT-computed band gap of 1.87–2.54 eV across 13 reported structures.
Is ClTl a metal, semiconductor, or insulator?
With a band gap up to 2.54 eV it is a semiconductor.
Is ClTl thermodynamically stable?
Yes — Thallium(I) chloride (ClTl) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of ClTl are known?
13 structures of ClTl are reported across 4 databases, spanning 4 distinct space groups.
What elements does ClTl contain?
Thallium(I) chloride (ClTl) contains Cl and Tl (2 elements).
Where does the data for ClTl come from?
ClTl data is cross-referenced from latticegraph.
Comparison

How It Compares

As a primary representative of its chemical class, thallium(I) chloride serves as a foundational reference point for understanding the behavior of thallium-based halides. Its status as a stable, well-studied semiconductor provides a benchmark for evaluating the electronic and structural trends observed in related heavy-metal halide systems.

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

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