Page 46 - Nomenclature of Inorganic Chemistry (IUPAC Recommendations 2005)

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

22. (CO) Fe
3
Fe(CO) 3
trans-[m-(1–4-Z:5–8-Z)-cyclooctatetraene]bis(tricarbonyliron)

23. 8 1
7
2
6
3
5 4
1 1 2 2
OC Fe Fe CO
OC CO CO
{m-[2(1–3,3a,8a-Z):1(4–6-Z)]azulene}(pentacarbonyl-
3 2
1k C,2k C)diiron(Fe— F e)
24.

1 1
H W
2 2
W H

5
5
(m-1Z -cyclopenta-2,4-diene-1,1-diyl-2kC)(m-2Z -cyclopenta-2,4-diene-
5
1,1-diyl-1kC)bis[(Z -cyclopentadienyl)hydridotungsten]
25. O
C 2 2
Nb
1 3 (CO) 2
Nb
Nb 3 1
(CO) 2
(CO) 2
2
2
m 3 -1Z :2Z -carbonyl-3kC-triangulo-
5
tris[dicarbonyl(Z -cyclopentadienyl)niobium](3 Nb—Nb)
26.
1 2
Cr Cr

CO
4
5
4
2 1
(m-2Z -buta-1,3-diene-1,4-diyl-1k C ,C )carbonyl-1kC-bis[(Z -
cyclopentadienyl)chromium](Cr—Cr)
The eta convention can also be extended to p-coordinated ligands containing no carbon
atoms, such as cyclotriborazane and pentaphosphole ligands.

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