Chemistry Reference
In-Depth Information
Table 4.16
Alkoxides of zinc, cadmium, and mercury
M-O Bond lengths ( A)
Ž
Bond angles
Metal
MOC
Compound
coordination
Terminal
Bridging
Reference
[Me
4
Zn
4
3
-OMe
4
]
4
-
2.047 - 2.114 (16)
av. 2.078
118.4 - 123.5
av. 121.0
437
[Me
4
Zn
4
-OBu
t
4
]
4
-
av. 2.06 (2)
-
438
[Zn
3
-OMe
6
ZnMe
4
3
-OMe
2
ZnMe
2
]
4 and 6
-
2.105 (Zn, oct, av.)
2.069 (Zn, tet, av.)
-
439
[Zn
2
-OCEt
3
2
fN
SiMe
3
2
g
2
]
3
-
1.930, 1.936 (3)
128.1, 133.3
440
[Zn(1,4,7,-
3
-OCHDCN(Me)C
2
H
4
NMe
2
2
]
6
1.991, 1.997 (3)
-
-
440
[EtZn
,
2
-OC(Me)
D
CHNEtBu
t
2
ZnEt]
4
-
2.02, 2.12 (1)
-
441
[
2
-L
Zn
-L
,
2
-L
Zn(L)]
L D
Bu
t
O
3
SiO
4
1.798, 1.870 (4)
1.940 - 2.141 (4)
av. 1.994
158.2 (t)
96.8, 128.1 (b)
442
[Cd
9
OC
2
H
4
OMe
18
]
6
2.129 (6) (alkoxo)
2.58 (ether, av.)
2.256 - 2.380 (6)
3
av. 2.314
2.165 - 2.239 (6)
2
av. 2.195
-
443
[Cd
2
,
2
-OR
2
2
-OR
2
]
R D Bu
t
Pr
i
OCH
2
2
C
5
2.062 (11) (alkoxo)
2.518 (15) (ether)
2.182 (13)
-
444
oct D octahedral, tet D tetrahedral; b D bridging, t D terminal.
