KAsF6

Potassium hexafluoroarsenate · KAsF6

Potassium hexafluoroarsenate is a stable, insulating inorganic salt frequently utilized in specialized chemical research and synthesis applications.

AsFK
Crystal structure of KAsF6
Ground-state structure · Materials Project
Overview

About Potassium hexafluoroarsenate

Potassium hexafluoroarsenate is a distinct inorganic salt characterized by its wide-gap insulating electronic profile. It is recognized for its thermodynamic stability, sitting securely on the convex hull, which makes it a reliable subject for structural and chemical investigations.

Due to its chemical properties, this compound serves as a specialized reagent in various laboratory settings. Its structural versatility is evidenced by the multiple reported configurations documented across major materials databases, highlighting its significance in fundamental materials science.

At a glance

Key Properties

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

Band Gap

4.84–4.95 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

7
3 databases, 2 space groups
Uses

Applications

Where Potassium hexafluoroarsenate is used.

Chemical synthesisElectrolyte researchLaboratory reagent
Reference

Frequently Asked Questions

Common questions about Potassium hexafluoroarsenate, answered from cross-validated data.

What is KAsF6?

Potassium hexafluoroarsenate is a stable, insulating inorganic salt frequently utilized in specialized chemical research and synthesis applications.

More questions
What is KAsF6 used for?
Potassium hexafluoroarsenate (KAsF6) is used in chemical synthesis, electrolyte research, and laboratory reagent.
What is the band gap of KAsF6?
Potassium hexafluoroarsenate (KAsF6) has a DFT-computed band gap of 4.84–4.95 eV across 7 reported structures.
Is KAsF6 a metal, semiconductor, or insulator?
With a wide band gap up to 4.95 eV it is an insulator / wide-band-gap material.
Is KAsF6 thermodynamically stable?
Yes — Potassium hexafluoroarsenate (KAsF6) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of KAsF6 are known?
7 structures of KAsF6 are reported across 3 databases, spanning 2 distinct space groups.
What elements does KAsF6 contain?
Potassium hexafluoroarsenate (KAsF6) contains As, F, and K (3 elements).
Where does the data for KAsF6 come from?
KAsF6 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone representative of its chemical class, this compound serves as a foundational reference point for hexafluoroarsenate salts, providing a stable, insulating benchmark for evaluating the properties of similar fluorinated inorganic materials.

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

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