Chemistry Reference
In-Depth Information
Table 6.15
Magnesium aryloxides
Bond length ( A)
Bond angle (
Ž
)
Compound
Aryloxide
M-O
M-O-Ar
Ref.
OC
6
H
3
Bu
t
2
-2,6
[Mg
2
-OAr
2
]
2
1.823 (3)
178
i
planar Mg
2
O
2
ring,
4-coord. Mg
1.819 (3)
1.951 (3) - 1.971 (3)
169
2
-OC
6
H
3
Bu
t
2
-2,6
[Mg(OAr)
2
THF
3
]
OC
6
H
2
CF
3
3
-2,4,6
1.917 (4)
167
ii
tbp, equatorial OAr
1.923 (4)
179
2
-OC
6
H
3
NO
2
2
-2,4
[Mg(OAr)
2
py
2
]
1.966 (5)
133
iii
6-coord. Mg
1.940 (5)
136
2
-OC
6
H
3
NO
2
2
-2,4
[Mg(OAr)
2
N
-methyl-
imidazole)
2
]
1.964 (5)
135
iii
6-coord. Mg
1.962 (5)
133
i
J.C. Calabrese, M.A. Cushing Jr, and S.D. Ittel,
Inorg. Chem.
,
27
, 867 (1988).
ii
H.W. Roesky, M. Scholz, and M. Noltemeyer,
Chem. Ber.
,
123
, 2303 (1990).
iii
R. Sarma, F. Ramirez, P. Narayanan, B. McKeever, and J.F. Marecek,
J. Am. Chem. Soc.
,
101
,
5015 (1979).
Table 6.16
Calcium aryloxides
Bond
Bond
length ( A)
angle (
Ž
)
Compound
Aryloxide
M-O
M-O-Ar
Ref.
[Ca
3
OAr
5
HMPA
6
][OAr.2HOAr]
2
-OC
6
H
5
2.33 (1) - 2.36 (1)
i
triangular cluster, 6-coord. Ca
3
-OC
6
H
5
2.38 (1) - 2.44 (1)
OC
6
H
2
Bu
t
2
-2,6-
Me-4
[Ca(OAr)
2
THF
3
]
tbp, equatorial OAr
2.201 (6)
2.210 (6)
175
177
ii
[Ca(OAr)
2
THF
3
]
tbp, equatorial OAr at 172
Ž
C
OC
6
H
2
Bu
t
2
-2,6-
Me-4
2.197 (3)
2.181 (3)
171
174
iii
[(glycol-5)Ca(OAr)](OAr)
OH
2
8-coord. Ca
2
-OC
6
H
2
NO
2
3
-
2,4,6
2.330 (2)
iv
[Ca
2
OAr
2
OH
2
10
]
2OAr
2H
2
O
8-coord. Ca
2
-OC
6
H
3
NO
2
2
-
2,4
2.361 (5)
v
2
-OC
6
H
2
NO
2
3
-
2,4,6
[Ca(OAr)
2
bipy
2
]
8-coord. Ca
2.292 (10)
2.351 (9)
vi
i
K.G. Caulton, M.H. Chisholm, S.R. Drake, K. Folting, J.C. Huffman, and W.E. Streib,
Inorg.
Chem.
,
32
, 1970 (1993).
ii
P.B. Hitchcock, M.F. Lappert, G.A. Lawless, and B. Royo,
J. Chem. Soc., Chem. Commun.
,
1141 (1990).
iii
K.F. Tesh, T.P. Hanusa, J.C. Huffman, and C.J. Huffman,
Inorg. Chem.
,
31
, 5572 (1992).
iv
T.P. Singh, R. Reinhardt, and N.S. Poonia,
Ind. J. Chem. A
,
23
, 976 (1984).
v
L.B. Cole and E.M. Holt,
J. Chem. Soc.
,
Perkin Trans.
, 1997 (1986).
vi
N.S. Poonia, R. Chandra, V.M. Padmanabhan, and V.S. Yadav,
J. Coord. Chem.
,
21
, 167
(1990).
