Chemistry Reference
In-Depth Information
Table 5.3
(
continued
)
Metal
Oxo
M-oxo bond
M
x
-oxo
lengths ( A)
Compound
coord.
coord.
bond angles (
Ž
)
Reference
[Gd
6
4
-O
3
-OR
4
-OR
8
OR
4
]
7, 8
4
8-coord. GdO, 2.173, 2.220 (8)
102.3 - 113.0
62
R D C
2
H
4
OMe
7-coord. GdO, 2.275, 2.305 (8)
av. 109.5
[Ce
4
4
-O
3
-OPr
i
2
-OPr
i
4
OPr
i
7
Pr
i
OH
]
, 7
4
7-coord. CeO, 2.483 (5)
97.4, 99.0, 99.2, 152.3
42
6-coord. CeO, 2.242 (2)
[Ce
4
4
-O
3
-OPr
i
2
-OPr
i
4
OPr
i
8
]
6, 7
4
7-coord. CeO, 2.52 (1)
6-coord. CeO, 2.19, 2.22 (1)
97.8, 98.5, 98.5, 98.6,
100.9, 153.6
67
[Pr
8
4
-O
3
-OR
4
-OR
10
OR
2
OPMe
3
2
]
R D C
2
H
4
OMe
8
4
PrO, 2.276 - 2.330 (5),
2.488 - 2.762 (5)
102.5 - 115.8, 95.6, 161.7
63
[Sm
4
Ti
5
-O
3
-OPr
i
2
-OPr
i
6
OPr
i
6
]
6 (Sm)
5(Ti)
5
SmO, 2.58, 2.70 (2)
TiO, 1.85 (2)
Sm
2
O, 84.1, 84.3, 91.0,
163.4
113
SmOTi, 98.3, 134.5
[Li
8
Y
8
4
-O
2
3
-OBu
t
4
-OBu
t
12
-
Cl
4
OBu
t
8
]
6(Y)
2, 3 (Li)
4
YO, 2.40, 2.44, 2.47, 2.52 (2)
Y
2
O, 96.5, 179.1
114
[Gd
2
Zr
6
4
-O
2
-OPr
i
10
-OAc
6
OPr
i
10
]
6 (Zr)
4
GdO, 2.421 (8)
Zr
2
O, 103.5, 105.0, 137.3
115
7 (Gd)
ZrO, 2.151, 2.180, 2.195 (8)
ZrOGd, 102.0, 102.2, 102.2
[La
2
Mo
4
O
4
4
-O
4
-OPr
i
8
OPr
i
6
]
8 (La)
t,
4
LaO, 2.728 (3)
-
116
6(Mo)
MoO
4
, 1.813 (4)
M D O, 1.696 (5)
[U
3
3
-O
3
-OBu
t
-OBu
t
3
OBu
t
6
]
6
3
UO, 2.27 (3)
-
117
[U
3
O
2
-O
2
-OBu
t
2
OBu
t
8
]
6
t,
UO, 1.753 (6) (t)
-
64
UO, 1.923, 2.301 (6) (bs)
[UO
2
OBu
t
2
Ph
3
PO
2
]
6
t
UO, 1.789, 1.795 (6) (t)
-
44
ap D apical, ax D axial, bs D basal, eq D equatorial, t D terminal.
1
Coordination no. doubtful.
2
Randomized Y
4
Pr atoms.
