MnI2

manganese(II) iodide · manganous iodide

Manganese(II) iodide is a stable semiconducting metal halide used primarily as a chemical precursor and in specialized industrial applications.

IMn
Crystal structure of MnI2
Ground-state structure · Materials Project
Overview

About manganese(II) iodide

Manganese(II) iodide is a semiconducting inorganic compound that exists as a thermodynamically stable phase on the convex hull. Its structural versatility is evidenced by the numerous reported configurations found across major materials databases, reflecting its complex coordination chemistry.

This material serves as a critical precursor in various chemical synthesis pathways and is valued for its role in specialized lighting technologies. Its electronic properties and stability make it a subject of ongoing interest for researchers investigating metal-halide systems.

At a glance

Key Properties

Cross-validated computational properties for manganese(II) iodide, aggregated across 3 databases.

Band Gap

1.17 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

29
3 databases, 8 space groups
Uses

Applications

Where manganese(II) iodide is used.

chemical synthesisspecialized lightingcatalysis
Reference

Frequently Asked Questions

Common questions about manganese(II) iodide, answered from cross-validated data.

What is MnI2?

Manganese(II) iodide is a stable semiconducting metal halide used primarily as a chemical precursor and in specialized industrial applications.

More questions
What is MnI2 used for?
manganese(II) iodide (MnI2) is used in chemical synthesis, specialized lighting, and catalysis.
What is the band gap of MnI2?
manganese(II) iodide (MnI2) has a DFT-computed band gap of 1.17 eV across 29 reported structures.
Is MnI2 a metal, semiconductor, or insulator?
With a band gap up to 1.17 eV it is a semiconductor.
Is MnI2 thermodynamically stable?
Yes — manganese(II) iodide (MnI2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of MnI2 are known?
29 structures of MnI2 are reported across 3 databases, spanning 8 distinct space groups.
What elements does MnI2 contain?
manganese(II) iodide (MnI2) contains I and Mn (2 elements).
Where does the data for MnI2 come from?
MnI2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable binary halide, manganese(II) iodide represents a fundamental building block in the study of transition metal iodides. It serves as a key reference point for understanding the structural and electronic trends within the broader class of manganese-based halide materials.

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

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