Chemistry Reference
In-Depth Information
Metal
Oxo
M-oxo bond
M
x
-oxo
lengths ( A)
Compound
coord.
coord.
bond angles (
Ž
)
Reference
[Li
8
K
2
O
OBu
t
8
tmeda
2
]
3, 4 (Li)
8
3-coord. Li, 1.895 (av.)
Li
2
O, 61.2 - 151.3
94
tmeda D Me
2
NC
2
H
4
NMe
2
4 (K)
4-coord. Li, 2.195 (av.)
[Li
4
Ti
4
5
-O
2
-O
2
OPr
i
12
]
4 (Li)
5
,
5
2.039 (av.)
5
, 87.3 - 174.0
95
5, 6 (Ti)
1.864 (av.)
2
, 107.0
[Na
2
Mo
4
O
6
-O
2
OPr
i
12
]
5 (Na)
t,
, 1.722 (Mo), 2.256 (Na)
MoONa, 144.5
96
6(Mo)
Mo(O)
2
, 1.691 (3)
MoO, 1.715 (3)
[Na
2
W
2
O
2
OEt
14
]
6, 6
t
WO, 1.72 (2)
-
97
[Na
4
Zr
6
O
2
OEt
24
]
5 (Na)
5
NaO, 2.666, 3.018 (6)
NaOZr, 89.4, 163.1
98
6 (Zr)
ZrO, 2.169, 2.169, 2.186 (5)
Zr
2
O, 104.3 (av.)
[K
4
Sb
2
6
-O
OBu
t
8
thf
4
]
6 (K)
6
SbO, 2.004 (5)
Sb
2
O, 107.1
99
5 (Sb)
KO, 3.047 (8)
SbOK, 91.8 - 97.2, 161.1
K
2
O, 69.3 - 80.9, 156.1
[K
4
Sb
4
4
-O
2
OPr
i
12
]
6 (K)
4
SbO, 1.982 (5)
Sb
2
O, 105.8
99
5 (Sb)
KO, 2.693 (5)
SbOK, 104.3 - 105.2
K
2
O, 130.1
[Mg
2
Mo
2
O
2
OMe
10
MeOH
4
]
6, 6
t
MoO, 1.685 (4)
-
100
[Ca
6
4
-O
2
3
-OEt
4
OEt
4
EtOH
6
]
6
4
CaO, 2.402 - 2.529 (5)
-
101
[H
3
Ba
6
5
-O
OBu
t
11
OCEt
2
CH
2
O
thf
3
]
6, 5
5
BaO, 2.74 - 2.86 (1)
-
102
av. 2.79
[H
4
Ba
6
6
-O
OC
2
H
4
OMe
14
]
8
6
BaO, 2.90 - 2.93
-
103
[Ba
5
5
-O
hfip
8
hfipH
thf
4
H
2
O
]
6, 7
5
BaO 2.87 (3)
-
104
hfip D OCH
CF
3
2
[Ba
2
Y
4
6
-O
3
-OEt
8
Bu
t
COCHCOBu
t
6
]
7, 7
6
BaO, 3.027 (2)
-
105
YO, 2.363, 2.378 (3)
[Ba
2
Ti
4
3
-O
3
-OMe
6
-
OMe
2
OMe
10
MeOH
7
]
9(Ba)
6(Ti)
3
BaO, 2.615, 2.706 (6)
TiO, 1.695 (6)
Ba
2
O, 102.6
22
