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2 Homometallic Alkoxides

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638<br />

Table 6.48 (Continued)<br />

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

Compound Aryloxide M–O M–O–Ar Ref.<br />

[Al(OAr) 3(4-t-butylcyclohexanone)] OC6H2But 2-2,6-Me-4 1.717 (5)<br />

1.716 (5)<br />

[Na⊲OH2⊳]2[Al(tri-OAr)]4[ClO4]2<br />

6-coord. Al, three aryloxides bridging to Na in AlNaAl unit<br />

[Al(di-OAr)(OAr)]<br />

5-coord. Al, two molecules<br />

[Al(tri-OAr)(py)]<br />

tbp Al<br />

[Hquinuclidine][Al(tri-OAr)(OH)]<br />

tbp Al<br />

[Al2⊲tri-OAr⊳2]<br />

each ligand has one bridging OAr and two<br />

terminal, N-coordinated, 5-coord. Al<br />

[Al(H-tri-OAr)][ClO4]<br />

octahedral Al, two O and N bonded to proton<br />

1.691 (5)<br />

MeC⊲CH2NHCH2-2-OC6H3Br-4⊳3 1.821 (5)<br />

1.827 (4)<br />

1.827 (5)<br />

Al–O–Na<br />

1.836 (5), 2.336 (5)<br />

1.843 (4), 2.585 (5)<br />

OC6H2Me3-2,4,6<br />

salen<br />

N⊲C6H4O-2⊳3<br />

N⊲C6H4O-2⊳3<br />

N⊲C6H4O-2⊳3<br />

1.849 (5), 2.334 (5)<br />

1.737 (3)<br />

1.741 (2)<br />

1.798 (2)<br />

1.787 (3)<br />

1.797 (2)<br />

1.791 (3)<br />

1.762 (5)<br />

1.768 (5)<br />

1.764 (5)<br />

1.778 (2)<br />

1.772 (2)<br />

1.796 (2)<br />

1.74 (2)<br />

1.75 (1)<br />

Nf⊲CH2⊳2NHCH2-2-OC6H3Cl-4g3 1.819 (3)<br />

1.838 (3)<br />

1.824 (3)<br />

1.852 (4), 1.849 (4)<br />

147<br />

137<br />

164<br />

130<br />

125<br />

130<br />

135<br />

140<br />

134<br />

133<br />

133<br />

132<br />

115<br />

117<br />

116<br />

120<br />

120<br />

121<br />

115<br />

115<br />

132<br />

134<br />

132<br />

ii<br />

viii<br />

ix<br />

x<br />

x<br />

x<br />

xi

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