InI3

Indium(III) iodide · Indium triiodide

Indium(III) iodide is a crystalline inorganic compound composed of indium and iodine. It is primarily utilized as a chemical reagent in synthetic organic chemistry and as a precursor for the deposition of indium-containing thin films.

IIn
Crystal structure of InI3 (monoclinic, P21/c (No. 14))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Indium(III) iodide, aggregated across 3 databases.

Band Gap

2.28 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

16
3 databases, 6 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for InI3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P21/c (No. 14)monoclinic2.280.0000-2.6144.39
P21/c (No. 14)
P2 (No. 3)Monoclinic9.36
P2 (No. 3)Monoclinic4.73
P2 (No. 3)Monoclinic5.94
C2/m (No. 12)Monoclinic6.40
C2/m (No. 12)Monoclinic5.20
C2/m (No. 12)Monoclinic5.41
C2/m (No. 12)
P1 (No. 1)Triclinic6.22
Cm (No. 8)Monoclinic5.00
P1 (No. 1)Triclinic5.19
Uses

Applications

Where Indium(III) iodide is used.

Organic synthesisSemiconductor material precursorCatalysis
Reference

Frequently Asked Questions

Common questions about Indium(III) iodide, answered from cross-validated data.

What is InI3?

Indium(III) iodide is a crystalline inorganic compound composed of indium and iodine. It is primarily utilized as a chemical reagent in synthetic organic chemistry and as a precursor for the deposition of indium-containing thin films.

More questions
What is InI3 used for?
Indium(III) iodide (InI3) is used in organic synthesis, semiconductor material precursor, and catalysis.
What is the band gap of InI3?
Indium(III) iodide (InI3) has a DFT-computed band gap of 2.28 eV across 16 reported structures.
Is InI3 a metal, semiconductor, or insulator?
With a band gap up to 2.28 eV it is a semiconductor.
Is InI3 thermodynamically stable?
Yes — Indium(III) iodide (InI3) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of InI3?
The lowest-energy reported polymorph of Indium(III) iodide (InI3) is monoclinic symmetry, space group P21/c (No. 14).
What is the density of InI3?
The computed density of the ground-state structure of Indium(III) iodide (InI3) is 4.39 g/cm³.
How many polymorphs of InI3 are known?
16 structures of InI3 are reported across 3 databases, spanning 6 distinct space groups.
What elements does InI3 contain?
Indium(III) iodide (InI3) contains I and In (2 elements).
Where does the data for InI3 come from?
InI3 data is cross-referenced from materials_project, jarvis, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • mpaloe — Data from mpaloe.

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