CHEM 360
Nomenclature of Ligands
Ligands
a) anionic – name ends in "o", e.g., halo, hydroxo, etc.
b) neutral – name does not end in "o" (except aquo, amino), e.g., phosphine, amine, carbonyl.
How many ligands?
|
Number
|
Prefix
|
|
1
|
Mono
|
|
2
|
Di
|
|
3
|
Tri
|
|
4
|
Tetra
|
|
5
|
Penta
|
|
6
|
Hexa
|
|
7
|
Hepta
|
|
8
|
Octa
|
|
9
|
Nona, ennea
|
|
10
|
Deca
|
|
11
|
Undeca
|
|
12
|
Dodeca
|
If the name of the
ligand already includes a prefix (e.g., trimethylphosphine) then a different
prefix is used, e.g., tris (trimethylphosphine).
|
Number
|
Prefix
|
|
2
|
Bis
|
|
3
|
Tris
|
|
4
|
Tetrakis
|
|
5
|
Pentakis
|
|
6
|
Hexakis
|