As2F4K2O2

As2F4K2O2 is a semiconducting oxyfluoride compound that exists in a metastable state.

AsFKO
Overview

About As2F4K2O2

As2F4K2O2 is a complex inorganic compound containing arsenic, fluorine, potassium, and oxygen. As a semiconducting material, it exhibits electronic properties that distinguish it from simple ionic salts, suggesting potential for specialized charge-transport applications. The compound is currently identified as being above the thermodynamic hull, indicating that it is likely metastable under standard conditions. Its existence across multiple reported structures highlights the structural diversity possible within this specific chemical composition.

At a glance

Key Properties

Cross-validated computational properties for As2F4K2O2, aggregated across 3 databases.

Band Gap

0.50–0.64 eV
Range across DFT structures

Energy Above Hull

0.227 eV/atom
Best (lowest) across sources

Stability

Above hull
1 DFT source

Structures

4
3 databases, 2 space groups
Reference

Frequently Asked Questions

Common questions about As2F4K2O2, answered from cross-validated data.

What is As2F4K2O2?

As2F4K2O2 is a semiconducting oxyfluoride compound that exists in a metastable state.

More questions
What is the band gap of As2F4K2O2?
As2F4K2O2 has a DFT-computed band gap of 0.50–0.64 eV across 4 reported structures.
Is As2F4K2O2 a metal, semiconductor, or insulator?
With a band gap up to 0.64 eV it is a semiconductor.
Is As2F4K2O2 thermodynamically stable?
As2F4K2O2 has a lowest energy above hull of 0.227 eV/atom (above hull).
How many polymorphs of As2F4K2O2 are known?
4 structures of As2F4K2O2 are reported across 3 databases, spanning 2 distinct space groups.
What elements does As2F4K2O2 contain?
As2F4K2O2 contains As, F, K, and O (4 elements).
Where does the data for As2F4K2O2 come from?
As2F4K2O2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a unique inorganic phase, As2F4K2O2 occupies a distinct position within the landscape of arsenic-based oxyfluorides. While many materials in this class are highly stable, this compound represents a more challenging synthetic target due to its metastable nature, offering researchers a case study in the structural complexity of non-equilibrium phases.

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

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