CdF3Tl

CdF3Tl is a thermodynamically stable, insulating inorganic compound characterized by a wide electronic band gap.

CdFTl
Crystal structure of CdF3Tl (orthorhombic, Pbam (No. 55))
Ground-state structure · Materials Project
Overview

About CdF3Tl

CdF3Tl is a thermodynamically stable inorganic compound that exhibits the characteristics of a wide-band-gap insulator. Its placement on the convex hull suggests a robust structural configuration that is energetically favorable under standard conditions.

Due to its distinct electronic nature, this material serves as a subject of interest in solid-state chemistry research. With multiple reported structures across various databases, it represents a well-documented entry in the study of complex fluoride-based systems.

At a glance

Key Properties

Cross-validated computational properties for CdF3Tl, aggregated across 3 databases.

Band Gap

3.94–4.24 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

19
3 databases, 3 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for CdF3Tl, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pbam (No. 55)orthorhombic3.940.0000-18.7637.32
Cm (No. 8)monoclinic4.240.0064-18.7567.17
R3m (No. 160)trigonal4.190.0092-18.7547.19
6.33
Reference

Frequently Asked Questions

Common questions about CdF3Tl, answered from cross-validated data.

What is CdF3Tl?

CdF3Tl is a thermodynamically stable, insulating inorganic compound characterized by a wide electronic band gap.

More questions
What is the band gap of CdF3Tl?
CdF3Tl has a DFT-computed band gap of 3.94–4.24 eV across 19 reported structures.
Is CdF3Tl a metal, semiconductor, or insulator?
With a wide band gap up to 4.24 eV it is an insulator / wide-band-gap material.
Is CdF3Tl thermodynamically stable?
Yes — CdF3Tl sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of CdF3Tl?
The lowest-energy reported polymorph of CdF3Tl is orthorhombic symmetry, space group Pbam (No. 55).
What is the density of CdF3Tl?
The computed density of the ground-state structure of CdF3Tl is 7.32 g/cm³.
How many polymorphs of CdF3Tl are known?
19 structures of CdF3Tl are reported across 3 databases, spanning 3 distinct space groups.
What elements does CdF3Tl contain?
CdF3Tl contains Cd, F, and Tl (3 elements).
Where does the data for CdF3Tl come from?
CdF3Tl data is cross-referenced from materials_project, alexandria, omat24.
Comparison

How It Compares

As a unique inorganic compound, CdF3Tl occupies a specialized niche in materials science. Without direct structural siblings in this specific class, it stands as a standalone reference point for understanding the interplay between cadmium, fluorine, and thallium in insulating crystalline lattices.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • alexandria — Data from alexandria.
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

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