CuCl

Cuprous chloride · Copper(I) chloride

Cuprous chloride is a white solid that serves as an important inorganic compound in industrial chemistry. It is primarily utilized as a catalyst for various organic synthesis reactions and as a precursor for other copper-containing materials.

ClCu
Crystal structure of CuCl (trigonal, R3m (No. 160))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Cuprous chloride, aggregated across 4 databases.

Band Gap

0.33–0.57 eV
Range across DFT structures

Energy Above Hull

0.005 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

143
4 databases, 25 space groups
Crystallography

Reported Structures

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

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
R3m (No. 160)trigonal0.560.0045-8.9984.21
F-43m (No. 216)cubic0.560.0183-8.9844.28
P63mc (No. 186)hexagonal0.570.0189-8.9834.27
Pa-3 (No. 205)cubic0.450.0396-8.9634.76
Fm-3m (No. 225)cubic0.330.1781-8.8244.92
Cm (No. 8)Monoclinic3.48
Fm-3m (No. 225)
Pm (No. 6)Monoclinic5.54
P-1 (No. 2)Triclinic3.17
P63mc (No. 186)Hexagonal4.12
Cm (No. 8)Monoclinic3.69
C2/m (No. 12)Monoclinic3.72
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting CuCl.

Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Uses

Applications

Where Cuprous chloride is used.

Organic synthesis catalystGas absorption agentPigment productionPrecursor for organometallic compounds
Reference

Frequently Asked Questions

Common questions about Cuprous chloride, answered from cross-validated data.

What is CuCl?

Cuprous chloride is a white solid that serves as an important inorganic compound in industrial chemistry. It is primarily utilized as a catalyst for various organic synthesis reactions and as a precursor for other copper-containing materials.

More questions
What is CuCl used for?
Cuprous chloride (CuCl) is used in organic synthesis catalyst, gas absorption agent, pigment production, and precursor for organometallic compounds.
What is the band gap of CuCl?
Cuprous chloride (CuCl) has a DFT-computed band gap of 0.33–0.57 eV across 143 reported structures.
Is CuCl a metal, semiconductor, or insulator?
With a band gap up to 0.57 eV it is a semiconductor.
Is CuCl thermodynamically stable?
Cuprous chloride (CuCl) has a lowest energy above hull of 0.005 eV/atom (near hull (likely stable)).
What is the crystal structure of CuCl?
The lowest-energy reported polymorph of Cuprous chloride (CuCl) is trigonal symmetry, space group R3m (No. 160).
What is the density of CuCl?
The computed density of the ground-state structure of Cuprous chloride (CuCl) is 4.21 g/cm³.
How many polymorphs of CuCl are known?
143 structures of CuCl are reported across 4 databases, spanning 25 distinct space groups.
How is CuCl synthesized?
Literature-reported routes for CuCl include sol-gel (2 procedures documented).
What elements does CuCl contain?
Cuprous chloride (CuCl) contains Cl and Cu (2 elements).
Where does the data for CuCl come from?
CuCl data is cross-referenced from materials_project, mpaloe, jarvis.
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).

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