2 Homometallic Alkoxides

605
Table 6.33 Simple aryloxides of iron
Bond length ( ˚A) Bond angle ( Ž )
Compound Aryloxide M–O M–O–Ar Reference
[(ArO)Fe⊲ 2-OAr⊳2Fe(OAr)]
3-coord. Fe
OC6H2Bu t 3 -2,4,6
2-OC6H2Bu t 3 -2,4,6
1.822 (5)
1.823 (5)
2.022 (6), 2.001 (6)
2.011 (6), 2.023 (6)
[Fe(OAr) 2]
cis-O(Ar), octahedral Fe
OC6H4(20-1,10-phen-)2 1.893 (3)
1.884 (3)
131
133
ii
[NEt4][Fe(OAr) 4]
tetrahedral anion
OC6HMe4-2,3,5,6 1.847 (4)
1.852 (4)
142
137
iii
1.826 (4)
137
1.860 (4)
131
[PPh4][Fe(OAr) 4]
tetrahedral anion
OC6H2Cl3-2,4,6 1.863 (3)
1.867 (3)
132
134
iii
1.875 (3)
129
1.859 (3)
141
[(ArO)Fe⊲ -C6H2Me3-2,4,6⊳2Fe(OAr)]
bridging mesityl group
OC6H2But 2-2,6-Me-4 1.946 (3)
1.945 (2)
128
127
iv
[fHB⊲3,5-Pr i
2pz⊳3gFe(OAr)] [fHB⊲3,5-Pr
OC6F5 1.875 (5) 133 v
i
2pz⊳3gFe(OAr) 2(MeCN)].MeCN OC6H4Me-4 1.887 (1)
1.897 (2)
142
142
v
[NEt4]2[(S) 2Mo⊲ -S⊳2Fe(OAr) 2]
4-coord. Fe
OC6H5
1.93 (2)
1.86 (2)
136
133
vi
i R.A. Bartlett, J.J. Ellison, P.P. Power, and S.C. Shoner, Inorg. Chem., 30, 2888 (1991).
ii J.C. Jeffery, C.S.G. Moore, E. Psillakis, and M.D. Ward, Polyhedron, 14, 599 (1995).
iii S.A. Koch, and M. Millar, J. Am. Chem. Soc., 104, 5255 (1982).
iv H. Muller, W. Seidel, and H. Gorls, Z. Anorg. Allg. Chem., 622, 1968 (1996).
v M. Ito, H. Amagai, H. Fukui, N. Kitajima, and Y. Moro-oka, Bull. Chem. Soc. Jpn., 69, 1937 (1996).
vi B.-K. Teo, M.R. Antonio, R.H. Tieckelmann, H.C. Silvis, and B.A. Averill, J. Am. Chem. Soc., 104, 6126 (1982).
162
151
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i