homoleptic compound

A homoleptic compound is a coordination compound where all ligands attached to the central atom are identical. In contrast, a heteroleptic compound has different types of ligands bonded to the central atom.1

Coordination compounds, also known as coordination complexes, consist of a central atom, typically a metal, bonded to a surrounding group of ions, molecules, or atoms called ligands. These ligands attach to the central metal atom through coordinate bonds, where the ligand donates an electron pair to form the bond. Common ligands include neutral molecules like water and ammonia, or anions such as cyanide and chloride.123