ICl3

Iodine trichloride · Iodine(III) chloride

Iodine trichloride is a bright yellow crystalline solid that acts as a powerful chlorinating and oxidizing agent. It is primarily utilized in chemical synthesis and laboratory research for the functionalization of organic compounds.

ClI
Crystal structure of ICl3 (triclinic, P-1 (No. 2))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Iodine trichloride, aggregated across 4 databases.

Band Gap

1.57–1.80 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

45
4 databases, 10 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for ICl3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P-1 (No. 2)triclinic1.800.0000-2.4322.48
P-1 (No. 2)triclinic1.570.0000-10.9503.02
P1 (No. 1)Triclinic3.96
P2/m (No. 10)Monoclinic3.01
P-1 (No. 2)Triclinic2.52
P2/m (No. 10)Monoclinic3.81
P1 (No. 1)Triclinic6.11
P-1 (No. 2)Triclinic2.55
P-1 (No. 2)Triclinic1.89
P1 (No. 1)Triclinic3.58
P1 (No. 1)Triclinic2.22
Pm (No. 6)Monoclinic4.79
Uses

Applications

Where Iodine trichloride is used.

Organic synthesisChlorinating agentOxidizing agentLaboratory reagent
Reference

Frequently Asked Questions

Common questions about Iodine trichloride, answered from cross-validated data.

What is ICl3?

Iodine trichloride is a bright yellow crystalline solid that acts as a powerful chlorinating and oxidizing agent. It is primarily utilized in chemical synthesis and laboratory research for the functionalization of organic compounds.

More questions
What is ICl3 used for?
Iodine trichloride (ICl3) is used in organic synthesis, chlorinating agent, oxidizing agent, and laboratory reagent.
What is the band gap of ICl3?
Iodine trichloride (ICl3) has a DFT-computed band gap of 1.57–1.80 eV across 45 reported structures.
Is ICl3 a metal, semiconductor, or insulator?
With a band gap up to 1.80 eV it is a semiconductor.
Is ICl3 thermodynamically stable?
Yes — Iodine trichloride (ICl3) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of ICl3?
The lowest-energy reported polymorph of Iodine trichloride (ICl3) is triclinic symmetry, space group P-1 (No. 2).
What is the density of ICl3?
The computed density of the ground-state structure of Iodine trichloride (ICl3) is 2.48 g/cm³.
How many polymorphs of ICl3 are known?
45 structures of ICl3 are reported across 4 databases, spanning 10 distinct space groups.
What elements does ICl3 contain?
Iodine trichloride (ICl3) contains Cl and I (2 elements).
Where does the data for ICl3 come from?
ICl3 data is cross-referenced from materials_project, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.

Analyze ICl3 in the Lattice Graph platform

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

Explore the Platform →