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2 Homometallic Alkoxides

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556<br />

Table 6.22 (Continued)<br />

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

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

[Zr(OAr) 3(pyrazolylborate)]<br />

[Zr(OAr) 2fOC⊲CH2Ph⊳DC⊲CH2Ph⊳Nxy⊳]<br />

OC6H4NO2-2<br />

OC6H3Bu<br />

1.978 (1) 161 vi, viii<br />

t folded 2-oxa-5-azacyclopentene ring, 4-coord. Zr<br />

2-2,6 1.929 (5)<br />

1.967 (5)<br />

170<br />

170<br />

ix, x<br />

[Zr(OAr) 2⊲xyNCMeDCMeNxy⊳] OC6H3But folded 2,5-diazacyclopentene ring, 4-coord. Zr<br />

2-2,6 2.009 (4)<br />

1.951 (4)<br />

157<br />

152<br />

x, xi<br />

[Zr(OAr) 2(OCHMe-py-CHMeO)(py)] OC6H3But 6-coord. Zr<br />

2-2,6 2.006 (5)<br />

2.015 (5)<br />

173<br />

179<br />

xii, xiii<br />

[Zr(OAr) 2fthreo-OCH⊲CH2Ph⊳-py-CH⊲CH2PhgO⊳] OC6H3But 5-coord. Zr<br />

2-2,6 1.982 (3)<br />

1.989 (3)<br />

148<br />

146<br />

xiii<br />

[Zr(di-OAr) 2(DMF)] 4-amino-N,N 0-disalicylidene-1,2-phenylene- diaminato<br />

2.086 (4)<br />

2.088 (4)<br />

134<br />

135<br />

xiv<br />

2.075 (4) 138<br />

Non-Cp organometallic aryloxides<br />

2.092 (3) 135<br />

[Zr(OAr)⊲CH2Ph⊳3]<br />

4-coord. Zr, some 2-benzyl bonding<br />

OC6H3But 2-2,6 1.942 (9) 165 xv<br />

[Zr(OAr)⊲CH2Ph-4F⊳3]<br />

4-coord. Zr, some 2-benzyl bonding<br />

OC6H3But 2-2,6 1.934 (3) 169 xv<br />

[Zr(OAr)⊲OAr 0 ⊳⊲CH2Ph⊳2] OC6H3But 4-coord. Zr<br />

2-2,6 1.903 (4)<br />

1.936 (4)<br />

175<br />

175<br />

xv<br />

OC6H2But [Zr(OAr) 2⊲CH2Ph⊳2]<br />

6-coord. Zr, two molecules<br />

2-2,6-OMe-4 OC6H4⊲c-CCOCH2CMe2N⊳-2<br />

1.936 (4)<br />

2.001 (3)<br />

2.007 (4)<br />

175<br />

142<br />

145<br />

xvi<br />

[Zr(OAr) 2Me2(4,40-Me2bipy)] OC6H3But distorted octahedral Zr<br />

2-2,6 1.983 (3)<br />

1.990 (3)<br />

161<br />

154<br />

xvii

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