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2 Homometallic Alkoxides

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586<br />

Table 6.27 (Continued)<br />

Bond length ( ˚A) Bond angle ( Ž )<br />

Compound Aryloxide M–O M–O–Ar Reference<br />

[(tpp)Cr(OAr)(THF)]<br />

meso-tetraphenylporphyrin, 6-coord. Cr<br />

OC6H5<br />

Di- and poly-aryloxides<br />

1.94 (1) x<br />

[Cr4⊲ -F⊳4(di-OAr) 4] fCH2NH⊲CH2-2-OC6H4⊳g2 1.919 (3) 126 xi<br />

tetramer with linear Cr–F–Cr, 6-coord. Cr 1.925 (3)<br />

1.933 (3)<br />

1.886 (3)<br />

[fCr(di-OAr)g2⊲ -F⊳⊲ -OEt⊳] c-(CH2⊳6fNH-2-OC6H3But-4g2 1.930 (4)<br />

1.954 (3)<br />

[Cr⊲ -di-OAr)Cl]2 -fCH2NH⊲CH2-2-OC6H4⊳g2 1.903 (2) 133 xi<br />

6-coord. Cr, one OAr bridging 2.022 (2), 2.024 (2)<br />

[Cr2⊲ -di-OAr⊳2(py) 4 ] fCH2NHCO⊲2-OC6H2Cl2-4,6⊳g2 1.916 (8) 126 xii<br />

6-coord. Cr, two Cr centres linked by di-OAr 1.952 (8) 127<br />

[Cr(tri-OAr)]2[Mn⊲OH2⊳6][BPh4]2 c-⊲CH2⊳6fNCH2C6H3Bu t -4-Og3 1.956 (5)<br />

1.945 (5)<br />

1.949 (5)<br />

[Cr(tri-OAr)] c-⊲CH2⊳6fNCH2-2-OC6H3Bu t -4g3 1.937 (5) 128 xiv<br />

1,4,7-tricyclononane with N-pendant aryloxides,<br />

fac-arrangement of O and N donor atoms<br />

x A.L. Balch, L. Latos-Grazynski, B.C. Noll, M.M. Olmstead, and E.P. Zovinka, Inorg. Chem., 31, 1148 (1992).<br />

xi A. Bottcher, H. Elias, J. Glerup, M. Neuburger, C.E. Olsen, H. Paulus, J. Springborg, and M. Zehnder. Acta Chem. Scand., 48, 967 (1994).<br />

xii T.J. Collins, B.D. Santarsiero, and G.H. Spies, J. Chem. Soc., Chem. Commun., 681 (1983).<br />

xiii U. Auerbach, C. Stockheim, T. Weyhermuller, K. Wieghardt, and B. Nuber, Angew. Chem., Int. Ed. Engl., 32, 714 (1993).<br />

xiv U. Auerbach, T. Weyhermuller, K. Wieghardt, B. Nuber, E. Bill, C. Butzlaff, and A.X. Trautwein, Inorg. Chem., 32, 508 (1993).<br />

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125<br />

126<br />

130<br />

129<br />

128<br />

xi<br />

xiii

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