Cl12Fe4K4

Cl12Fe4K4 is a metastable, semimetallic compound consisting of iron, chlorine, and potassium atoms.

ClFeK
Crystal structure of Cl12Fe4K4 (orthorhombic, Pnma (No. 62))
Ground-state structure · Materials Project
Overview

About Cl12Fe4K4

Cl12Fe4K4 is a complex inorganic compound composed of iron, chlorine, and potassium. It exhibits a near-zero-gap electronic character, placing it in the category of semimetallic materials that bridge the gap between conductors and insulators.

As a metastable phase, this compound represents a specific structural arrangement that is of interest in fundamental materials research. Its existence across multiple databases highlights its role as a subject of ongoing investigation in solid-state chemistry.

At a glance

Key Properties

Cross-validated computational properties for Cl12Fe4K4, aggregated across 3 databases.

Band Gap

0.05 eV
Range across DFT structures

Energy Above Hull

0.031 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

8
3 databases, 1 space group
Crystallography

Reported Structures

Lowest-energy structures reported for Cl12Fe4K4, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Pnma (No. 62)orthorhombic0.050.0313-4.6042.71
Pnma (No. 62)
Pnma (No. 62)
Pnma (No. 62)
Pnma (No. 62)
2.27
2.27
2.27
Uses

Applications

Where Cl12Fe4K4 is used.

Fundamental materials researchSolid-state chemistry studies
Reference

Frequently Asked Questions

Common questions about Cl12Fe4K4, answered from cross-validated data.

What is Cl12Fe4K4?

Cl12Fe4K4 is a metastable, semimetallic compound consisting of iron, chlorine, and potassium atoms.

More questions
What is Cl12Fe4K4 used for?
Cl12Fe4K4 is used in fundamental materials research and solid-state chemistry studies.
What is the band gap of Cl12Fe4K4?
Cl12Fe4K4 has a DFT-computed band gap of 0.05 eV across 8 reported structures.
Is Cl12Fe4K4 a metal, semiconductor, or insulator?
With a near-zero band gap it behaves as a (semi)metal.
Is Cl12Fe4K4 thermodynamically stable?
Cl12Fe4K4 has a lowest energy above hull of 0.031 eV/atom (metastable).
What is the crystal structure of Cl12Fe4K4?
The lowest-energy reported polymorph of Cl12Fe4K4 is orthorhombic symmetry, space group Pnma (No. 62).
What is the density of Cl12Fe4K4?
The computed density of the ground-state structure of Cl12Fe4K4 is 2.71 g/cm³.
How many polymorphs of Cl12Fe4K4 are known?
8 structures of Cl12Fe4K4 are reported across 3 databases, spanning 1 distinct space group.
What elements does Cl12Fe4K4 contain?
Cl12Fe4K4 contains Cl, Fe, and K (3 elements).
Where does the data for Cl12Fe4K4 come from?
Cl12Fe4K4 data is cross-referenced from materials_project, aflow, omat24.
Comparison

How It Compares

As a unique inorganic system, Cl12Fe4K4 serves as a distinct example of iron-based halide chemistry. It functions as a specialized structural candidate within the broader landscape of metastable metal-halide complexes, providing researchers with insights into the electronic behavior of transition metal systems that do not conform to standard insulating or metallic profiles.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • aflow — Data from AFLOW. Cite: Curtarolo et al., Comp. Mater. Sci. 58, 218 (2012).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

Analyze Cl12Fe4K4 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →