What is the ligand name of the carbonate?

Answer 1

The ligand name for carbonate is "carbonato." When it coordinates to a metal in a coordination complex, it is often represented as "CO3^2−" and is typically seen in its bidentate form, bonding through the oxygen atoms. For example, in the complex [Cu(CO3)(H2O)2], the carbonate ion is referred to as carbonato in coordination chemistry.