Li3FeF6

Li3FeF6 is a stable, insulating fluoride compound known for its diverse structural configurations.

FFeLi
Crystal structure of Li3FeF6
Ground-state structure · Materials Project
Overview

About Li3FeF6

Li3FeF6 is a distinct fluoride compound that exhibits insulating electronic behavior. As a thermodynamically stable phase located on the convex hull, it represents a robust crystalline arrangement within its chemical system.

The material is characterized by a high degree of structural diversity, with numerous reported configurations across major databases. This structural richness makes it a compelling subject for researchers investigating the fundamental properties of lithium-iron-fluorine systems.

At a glance

Key Properties

Cross-validated computational properties for Li3FeF6, aggregated across 3 databases.

Band Gap

3.76–4.08 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

25
3 databases, 6 space groups
Reference

Frequently Asked Questions

Common questions about Li3FeF6, answered from cross-validated data.

What is Li3FeF6?

Li3FeF6 is a stable, insulating fluoride compound known for its diverse structural configurations.

More questions
What is the band gap of Li3FeF6?
Li3FeF6 has a DFT-computed band gap of 3.76–4.08 eV across 25 reported structures.
Is Li3FeF6 a metal, semiconductor, or insulator?
With a wide band gap up to 4.08 eV it is an insulator / wide-band-gap material.
Is Li3FeF6 thermodynamically stable?
Yes — Li3FeF6 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Li3FeF6 are known?
25 structures of Li3FeF6 are reported across 3 databases, spanning 6 distinct space groups.
What elements does Li3FeF6 contain?
Li3FeF6 contains F, Fe, and Li (3 elements).
Where does the data for Li3FeF6 come from?
Li3FeF6 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable fluoride phase, Li3FeF6 serves as a foundational reference point for understanding the interplay between lithium and iron in complex anionic frameworks. Its position on the convex hull highlights its chemical durability compared to more metastable configurations within similar fluoride-based material classes.

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

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