Chemistry Reference
In-Depth Information
Coordination no.
Alkali
Other
M-O Bond lengths ( A)
metal
metal
Bond angles (
Ž
)
MOC
(M
0
)
Compound
(M)
Terminal
Bridging
Reference
[Li
2
3
-OBu
t
2
-OBu
t
4
Sn
2
]
4
3
-
LiO, 2.098, 2.133 (10)
3
1.926, 1.933 (8)
SnO, 2.099 (3)
3
2.084, 2.095 (3)
LiO, 132.1 - 133.7
SnO, 117.6 - 122.1
468
[f
thf
2
Lig
2
f
-O
SiPh
2
O
2
g
2
SnCl
2
]
4
6
-
LiO, 1.980, 1.998 (13)
SnO, 2.041, 2.053 (4)
-
469
[Na
8
Eu
9
-Cl
4
-OBu
t
3
-
OBu
t
8
OBu
t
]
4
1
6
Eu, 2.090 (8)
NaO, 2.379 (
4
,av.)
2.305 (
3
,av.)
EuO, 2.335 (
3
,av.)
EuO, 178.8 (t)
470
[Na
8
Y
9
-OH
4
-OBu
t
3
-
OBu
t
8
OBu
t
]
4
1
6
YO, 2.022 (16)
NaO, 2.364 (
4
,av.)
2.264 (
3
,av.)
YO, 2.77 (
3
,av.)
YO, 176.3 (t)
470
[Na
8
Y
9
-Cl
4
-OBu
t
3
-
OBu
t
8
OBu
t
]
4
1
6
YO, 2.044 (7)
NaO, 2.364 (
4
,av.)
2.284 (
3
,av.)
YO, 2.283 (
3
,av.)
Term. YO, 177.4 (t)
470
[Na
3
Yf
-OCH
CF
3
2
g
6
thf
3
]
3
6
NaO(thf), 2.258 av.
NaO, av. 2.300
YO, av. 2.235
NaO, 116.6 - 123.5 (b)
YO, 134.1 - 142.9 (b)
471
[Na
2
Yf
-
OCMe(CF
3
2
g
4
fOCMe(CF
3
2
g
thf
3
]
3
1
6
NaO(thf), 2.338 av.
YO (alkoxo), 2.150 (4)
YO(thf) 2.425 (4)
NaO, av. 2.598
YO, av. 2.234
YO, 169.6 (t)
(thf), av. 127.8
NaO, 108.5 - 115.1 (b)
YO, 152.1 - 163.2 (b)
471
[
dme
2
Na
2
3
-OBu
t
2
-
OBu
t
2
Ce(OBu
t
2
]
5
6
NaO(dme), 2.582 av.
CeO, 2.141 av.
NaO, 2.384 (
3
,av.)
2.354 (
,av.)
CeO, 2.373 (
3
,av.)
2.230 (
,av.)
CeO, 172.6 (t)
NaO, 123.9 (
3
,b)
119.3 (
,b)
CeO, 134.1 (
3
,b)
149.3 (
,b)
472
