K2CrF6

K2CrF6 is a stable, semiconducting inorganic fluoride compound composed of potassium, chromium, and fluorine.

CrFK
Crystal structure of K2CrF6
Ground-state structure · Materials Project
Overview

About K2CrF6

K2CrF6 is a complex fluoride salt that exhibits semiconducting electronic behavior. As a thermodynamically stable phase residing on the convex hull, it represents a robust configuration of potassium, chromium, and fluorine atoms that maintains structural integrity under standard conditions.

This material is of significant interest for researchers investigating transition metal fluorides. Its stability and electronic characteristics make it a subject of study for potential applications in specialized chemical synthesis and materials development where precise control over electronic properties is required.

At a glance

Key Properties

Cross-validated computational properties for K2CrF6, aggregated across 3 databases.

Band Gap

0.70 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

6
3 databases, 2 space groups
Uses

Applications

Where K2CrF6 is used.

Materials science researchChemical synthesis precursor
Reference

Frequently Asked Questions

Common questions about K2CrF6, answered from cross-validated data.

What is K2CrF6?

K2CrF6 is a stable, semiconducting inorganic fluoride compound composed of potassium, chromium, and fluorine.

More questions
What is K2CrF6 used for?
K2CrF6 is used in materials science research and chemical synthesis precursor.
What is the band gap of K2CrF6?
K2CrF6 has a DFT-computed band gap of 0.70 eV across 6 reported structures.
Is K2CrF6 a metal, semiconductor, or insulator?
With a band gap up to 0.70 eV it is a semiconductor.
Is K2CrF6 thermodynamically stable?
Yes — K2CrF6 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of K2CrF6 are known?
6 structures of K2CrF6 are reported across 3 databases, spanning 2 distinct space groups.
What elements does K2CrF6 contain?
K2CrF6 contains Cr, F, and K (3 elements).
Where does the data for K2CrF6 come from?
K2CrF6 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct inorganic fluoride, K2CrF6 serves as a stable representative of its chemical family. While it stands as a unique entry in this dataset, it provides a valuable reference point for understanding the structural and electronic trends within chromium-based fluoride systems.

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

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