Ligands CM2001

NH3

neutral ligand oxidation number 0 usually low spin with strong field metals

H2O

neutral ligand oxidation number 0 weak field high spin

Cl-

monodentate ligand oxidation number -1 weak field high spin

CN-

monodentate ligand oxidation number -1 strong field low spin

CO

neutral ligand oxidation number 0 very strong field low spin

NO2-

ambidentate ligand oxidation number -1 moderate field can be low spin

SCN-

ambidentate ligand oxidation number -1 weak field high spin

Oxalate (C2O4)2-

bidentate ligand oxidation number -2 moderate field usually low spin

en (ethylenediamine)

bidentate ligand oxidation number 0 strong field low spin

EDTA4-

hexadentate ligand oxidation number -4 strong field low spin

F-

monodentate ligand oxidation number -1 weak field high spin

Br-

monodentate ligand oxidation number -1 weak field high spin

I-

monodentate ligand oxidation number -1 very weak field high spin