Chemistry Reference
In-Depth Information
Figure 4.20
Sc
2
(
-O)
2
O
4
N
4
core structure of [Sc
2
(
-
hfip)
2
(hfip)
4
(NH
3
)
4
] fip D
OC
CF
3
2
; D N).
Figure 4.21
Structure of [Y
10
OC
2
H
4
OMe
30
] (H atoms omitted).
Each metal has a terminal OBu
t
group on the same side as the
3
-OBu
t
group
andaTHFligandonthe
3
-Cl side completing the octahedral coordination.
110
A
dinuclear mono-cation, [Y
2
-OBu
t
2
-Cl
OBu
t
2
(thf)
4
]
C
, was also isolated.
110
The
two octahedral yttrium atoms are bridged by two OBu
t
groups and one chloride in
a confacial bi-octahedral structure. Each yttrium is terminally bonded to one OBu
t
group and two THF ligands. In the mononuclear mono-cation [Y(OBu
t
Cl(thf)
5
]
C
