LuCl3

lutetium(III) chloride · lutetium trichloride

Lutetium(III) chloride is a stable, insulating inorganic salt primarily used as a chemical precursor in research and synthesis.

ClLu
Crystal structure of LuCl3 (hexagonal, P63/mmc (No. 194))
Ground-state structure · Materials Project
Overview

About lutetium(III) chloride

Lutetium(III) chloride is a stable inorganic halide featuring a wide-gap insulating electronic structure. Its position on the convex hull ensures robust thermodynamic stability, making it a reliable precursor for various lutetium-based compounds in solid-state chemistry.

This material is frequently utilized in the synthesis of other lutetium derivatives and serves as a fundamental building block in experimental inorganic research. Its insulating nature and structural integrity under standard conditions support its role in specialized laboratory applications.

At a glance

Key Properties

Cross-validated computational properties for lutetium(III) chloride, aggregated across 3 databases.

Band Gap

3.85 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 6 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for LuCl3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P63/mmc (No. 194)hexagonal3.850.0000-16.5533.47
P-1 (No. 2)Triclinic7.79
P21/m (No. 11)Monoclinic4.81
P-1 (No. 2)Triclinic7.72
P21/m (No. 11)Monoclinic4.64
P-1 (No. 2)Triclinic3.36
P63/mmc (No. 194)Hexagonal8.10
C2/m (No. 12)Monoclinic5.79
P-1 (No. 2)Triclinic4.53
P63/mmc (No. 194)
P21/m (No. 11)Monoclinic4.18
Cm (No. 8)Monoclinic6.39
Uses

Applications

Where lutetium(III) chloride is used.

Chemical synthesisPrecursor for lutetium-based materialsLaboratory research
Reference

Frequently Asked Questions

Common questions about lutetium(III) chloride, answered from cross-validated data.

What is LuCl3?

Lutetium(III) chloride is a stable, insulating inorganic salt primarily used as a chemical precursor in research and synthesis.

More questions
What is LuCl3 used for?
lutetium(III) chloride (LuCl3) is used in chemical synthesis, precursor for lutetium-based materials, and laboratory research.
What is the band gap of LuCl3?
lutetium(III) chloride (LuCl3) has a DFT-computed band gap of 3.85 eV across 17 reported structures.
Is LuCl3 a metal, semiconductor, or insulator?
With a wide band gap up to 3.85 eV it is an insulator / wide-band-gap material.
Is LuCl3 thermodynamically stable?
Yes — lutetium(III) chloride (LuCl3) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of LuCl3?
The lowest-energy reported polymorph of lutetium(III) chloride (LuCl3) is hexagonal symmetry, space group P63/mmc (No. 194).
What is the density of LuCl3?
The computed density of the ground-state structure of lutetium(III) chloride (LuCl3) is 3.47 g/cm³.
How many polymorphs of LuCl3 are known?
17 structures of LuCl3 are reported across 3 databases, spanning 6 distinct space groups.
What elements does LuCl3 contain?
lutetium(III) chloride (LuCl3) contains Cl and Lu (2 elements).
Where does the data for LuCl3 come from?
LuCl3 data is cross-referenced from materials_project, mpaloe, jarvis.
Comparison

How It Compares

As a primary lutetium halide, this compound serves as a critical reference point for the study of rare-earth chloride systems, defining the baseline behavior for heavy lanthanide halides in this chemical class.

Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • mpaloe — Data from mpaloe.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).

Analyze LuCl3 in the Lattice Graph platform

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

Explore the Platform →