About the Cesium Chloride (CsCl)

Unlike NaCl, CsCl does not have an FCC lattice. It's a simple cubic arrangement with alternating ions, giving 8:8 coordination — highest among ionic compounds. Adopted when the cation is large (e.g., Cs⁺, Tl⁺).

Crystal Properties

Coordination Number

8:8

Ionic CompoundIonic Crystals

Common Examples

CsClCsBrCsITlCl
Related topics: cesium chloride structure, CsCl crystal, 8:8 coordination, primitive cubic ionic, body centered alternative