0
I
N
-id 0
50
-
40-
-5
)o-
" z
Y
20-
10-
id1
lb)
(c)
(d)
Figure 1. Molecular orbital correlation diagram for five-coordinate complexes of the ( C O N O ] ~group in ligand fields of CZ,, CdU,a n d C, symmetry. T h e orbitals are occupied by a total of eight elec-
0-
Ij,
-io
-io
-io
-16
b
IO
20
k
4b
E1410,-3C)
trons.
Figure 2. Composite state correlation diagram for Clu, C4,,and
side of Figure 2 corresponds to 4al