Page 41 - Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005)

O R G A N O M E T A L L I C C O M P O U N D S IR-10.2

Table IR-10.4 Continued

Ligand a Systematic name as Systematic name as Acceptable
anionic ligand neutral ligand alternative name

5
5
pentamethyl-Z - pentamethyl-Z -
cyclopentadienido cyclopentadienyl

5
5
Z -cyclohexadienido Z -cyclohexadienyl

7
7
Z -cycloheptatrienido Z -cycloheptatrienyl b

7
7
Z -cyclooctatrienido Z -cyclooctatrienyl c

5
1-methyl-Z -1H-borole
B
Me
5
5
5
Z -azacyclopentadienido Z -azacyclopentadienyl Z -1H-pyrrolyl
N
5
5
5
Z -phosphacyclopentadienido Z -phosphacyclopentadienyl Z -1H-phospholyl
P
5
5
5
Z -arsacyclopentadienido Z -arsacyclopentadienyl Z -1H-arsolyl
As
-
6
6
Z -borinin-1-uido Z -boranuidabenzene d
B
H
H 2-
B
6
6
Z -1,4-diborinine-1,4-diuido Z -1,4-
diboranuidabenzene e
B
H
a
The ligands are drawn as if complexed to a m etal, i.e. these are depictions of bonded entities, not free
ligands. The arcs used in these and later examples indicate delocalization (by analogy with the circle
in benzene).
b 7
The name Z -tropyl has been used previously but is no longer acceptable.
c 7
The name Z -homotropyl has been used previously but is no longer acceptable.
d 6
The name Z -boratabenzene has been used previously but is no longer acceptable.
e 6
The name Z -1,4-diboratabenzene has been used previously but is no longer acceptable.
218