Chemistry Reference
In-Depth Information
Table 4.8
Alkoxides of the actinides
M-O Bond lengths ( A)
Bond angles (
Ž
)
Metal
MOC
Compound
coordination
Terminal
Bridging
Reference
[Th
2
-OCHPr
i
2
2
OCHPr
i
2
6
]
5
2.141 - 2.161 (11)
av. 2.154
2.408, 2.463 (11)
-
144
[Th
OBu
t
4
C
5
H
5
N
2
]
6
2.161, 2.204 (6)
-
160.8, 171.6
145
[Th
2
-OCHEt
2
2
OCHEt
2
6
C
5
H
5
N
2
]
6
2.147 - 2.183 (6)
av. 2.170
2.416, 2.438 (5)
159.6 - 171.5 (t)
av. 166.5
129.5 (b)
146
[Th
4
-OPr
i
6
OPr
i
10
C
5
H
5
N
2
]
6
2.150 - 2.199 (10)
av. 2.172
2.389 - 2.446 (10)
av. 2.420
160.1 - 176.2 (t)
av. 167.2
146
[Th
2
-OPr
i
2
OPr
i
2
I
4
Pr
i
OH
2
]
6
2.056 (7)
2.327, 2.399 (6)
173.4 (t)
135.1 (b)
147
[Th
OCHPr
i
2
4
quinuc
]
quinuc D quinuclidine
5
2.152 (12) (ax)
2.169 (14) (eq)
-
162.8 - 176.6
av. 168.5
148
[Th(OCHPr
i
2
3
I
C
5
H
5
N
2
]
6
2.132, 2.137, 2.139 (8)
-
169.9 - 175.1
av. 172.5
148
[
C
5
H
5
Th
2
-OPr
i
3
OPr
i
4
]
3
6
1
2.09 - 2.18 (2)
av. 2.14
2.37 - 2.46 (2)
av. 2.42
170.8 (t, av.)
129.7 (b, av.)
149
[U
2
-OBu
t
3
OBu
t
6
]
6
2.062, 2.073 (7) (U[1])
2.106, 2.107 (7) (U[2])
2.251, 2.271 (9) (U[1])
2.457, 2.502 (9) (U[2])
163.9 - 176.0 (t)
av. 169.3
121.9 - 135.5 (b)
av. 130.0
151
(
continued overleaf
)
