Li4MnF7

Li4MnF7 is a metastable semiconducting fluoride compound used primarily in fundamental materials research to explore complex structural phases.

FLiMn
Crystal structure of Li4MnF7
Ground-state structure · Materials Project
Overview

About Li4MnF7

Li4MnF7 is a complex fluoride material characterized by its semiconducting electronic nature. As a metastable compound, it represents a unique structural configuration within the lithium-manganese-fluorine chemical space, offering researchers a distinct pathway for investigating non-equilibrium phase behavior in inorganic solids. Its existence across multiple databases highlights its significance as a subject of ongoing crystallographic study. The material is primarily utilized in experimental research settings where the synthesis and characterization of metastable phases are essential for advancing solid-state chemistry. By providing a platform to study the interplay between lithium mobility and manganese coordination, it serves as a valuable case study for understanding the stability limits of complex halide frameworks.

At a glance

Key Properties

Cross-validated computational properties for Li4MnF7, aggregated across 3 databases.

Band Gap

1.92–2.20 eV
Range across DFT structures

Energy Above Hull

0.025 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

13
3 databases, 3 space groups
Uses

Applications

Where Li4MnF7 is used.

Solid-state chemistry researchCrystallographic structural studiesFundamental materials science exploration
Reference

Frequently Asked Questions

Common questions about Li4MnF7, answered from cross-validated data.

What is Li4MnF7?

Li4MnF7 is a metastable semiconducting fluoride compound used primarily in fundamental materials research to explore complex structural phases.

More questions
What is Li4MnF7 used for?
Li4MnF7 is used in solid-state chemistry research, crystallographic structural studies, and fundamental materials science exploration.
What is the band gap of Li4MnF7?
Li4MnF7 has a DFT-computed band gap of 1.92–2.20 eV across 13 reported structures.
Is Li4MnF7 a metal, semiconductor, or insulator?
With a band gap up to 2.20 eV it is a semiconductor.
Is Li4MnF7 thermodynamically stable?
Li4MnF7 has a lowest energy above hull of 0.025 eV/atom (metastable).
How many polymorphs of Li4MnF7 are known?
13 structures of Li4MnF7 are reported across 3 databases, spanning 3 distinct space groups.
What elements does Li4MnF7 contain?
Li4MnF7 contains F, Li, and Mn (3 elements).
Where does the data for Li4MnF7 come from?
Li4MnF7 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a metastable semiconducting fluoride, Li4MnF7 occupies a specialized niche in materials science. Without direct structural analogs in its immediate class, it stands as a singular example of how specific stoichiometry can influence the electronic and thermodynamic properties of lithium-rich manganese fluorides.

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

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