Chemistry Reference
In-Depth Information
Bond length ( A)
Bond angle (
Ž
)
Compound
Aryloxide
M-O
M-O-Ar
Ref.
OC
6
H
3
Pr
i
2
-2,6
[La(OAr)
3
NH
3
4
]
capped pseudo-octahedral geometry
2.259 (4)
166
viii
OC
6
H
3
Pr
i
2
-2,6
[La(OAr)
3
THF
2
]
tbp, axial THF
2.233 (8)
2.227 (7)
2.169 (7)
173
152
173
viii
[La(OAr)
3
THF
2
].2THF
distorted tbp, axial OAr and THF
OC
6
H
3
Ph
2
-2,6
2.253 (6)
2.229 (6)
2.239 (6)
171
153
158
ix, x
[La(OAr)
3
(tetraglyme)]
8-coord. La
OC
6
H
3
Me
2
-2,6
2.28 (2)
2.30 (2)
2.30 (2)
172
173
175
xi
OC
6
H
3
Pr
i
2
-2,6
[
THF
Li
2
-OAr
2
La(OAr)
2
THF
]
2.213 (3)
2.204 (3)
172
171
xii
2
-OC
6
H
3
Pr
i
2
-2,6
2.376 (3), 1.86 (1)
2.392 (3), 1.879 (5)
OC
6
H
3
Pr
i
2
-2,6
[
THF
2
Na
2
-OAr
2
La(OAr)
2
THF
2
]
2.224 (6)
2.229 (6)
171
172
xii
2
-OC
6
H
3
Pr
i
2
-2,6
2.323 (5), 2.362 (6)
2.343 (5), 2.339 (5)
OC
6
H
3
Pr
i
2
-2,6
O-
-C
6
H
3
Pr
i
2
-2,6
[Cs
-Ar-O
2
La(OAr)
2
]
two phenoxides
-bound to Cs
2.251 (4)
2.231 (5)
150
156
xii
[LaCu
2
-OAr
HOAr
2
-OH
O
2
CCF
3
]
tbp Cu, 8-coord. La
2
-OC
6
H
2
CH
2
NMe
2
2
-2,6-Me-4
2.432 (8), 1.963 (8)
xiii
OC
6
H
3
Pr
i
2
-2,6
[Cs
2
La(OAr)
5
]
5-coord. La, Cs
-bound to Ar rings to form a
polymeric structure
2.32 (av.)
xiv
[La(OAr)
2
OH
2
6
]
OAr
.
6H
2
O
OC
6
H
2
NO
2
3
-2,4,6
2.44 (1)
2.440 (9)
144
143
xv
