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2 Homometallic Alkoxides

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590<br />

Table 6.28 (Continued)<br />

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

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

[fHB⊲Me2⊳pzgMo(O)(OAr) 2]<br />

6-coord. Mo, OAr trans to N(pz)<br />

OC6H5 1.938 (3)<br />

1.929 (3)<br />

134<br />

136<br />

xviii<br />

[Mo(OAr)⊲DNBut⊳2Cl] 5-coord. Mo<br />

OC6H2⊲OMe⊳2-3,5-f10-Np- 20-C(O)DCHPPh3g-2 Organometallic aryloxides<br />

2.003 (6) 135 xix<br />

1,2-[Mo2⊲OAr⊳2⊲CH2SiMe3⊳4]<br />

anti rotamer, Mo<br />

OC6H3Me2-2,6 1.910 (4) 137 xx<br />

6C<br />

2 core<br />

[f⊲ArO⊳⊲Me3SiCH2⊳(py)Mog2⊲ 2-<br />

H⊳⊲ 2-CSiMe3⊳]<br />

Mo 8C<br />

2 core<br />

[Mo(OAr) 4⊲<br />

OC6H3Me2-2,6 1.96 (1)<br />

1.99 (1)<br />

135<br />

136<br />

xx<br />

2-PhCCPh⊳] OC6H3Pri tbp Mo, alkyne lies in equatorial plane<br />

2-2,6 2.004 (10)<br />

1.876 (10)<br />

144<br />

160<br />

xxi<br />

[Mo⊲OC6H3Ph-C6H4⊳⊲OAr⊳2⊲HNMe2⊳]<br />

square pyramidal Mo<br />

OC6H3Ph2-2,6<br />

OC6H3Ph-<br />

1.919 (2) 136 xxii<br />

1-C6H4 1.976 (2)<br />

1.962 (2)<br />

143<br />

131<br />

xxiii<br />

[Mo⊲OC6H3Ph-C6H4⊳⊲OAr⊳2⊲py⊳]<br />

square pyramidal Mo<br />

OC6H3Ph2-2,6<br />

OC6H3Ph-<br />

1.964 (3) 139 xxiii<br />

1-C6H4 1.946 (3)<br />

1.939 (3)<br />

134<br />

135<br />

[Mo⊲OC6H3Ph- 6-C6H5⊳⊲H⊳⊲PMePh2⊳2] OC6H3Ph- 6 four legged piano stool<br />

-C6H5<br />

Di-and poly-aryloxides<br />

2.164 (5) 118 xxi<br />

xxiv<br />

[Mo2⊲di-OAr⊳2⊲NMe2⊳2] CH2⊲2-OC6H3But-6-Me-4⊳2 1.917 (7)<br />

1.921 (7)<br />

165<br />

139<br />

xxv<br />

[fHB⊲Me2⊳pzgMo⊲O⊳2]⊲ -di-OAr⊳<br />

two 6-coord. Mo each bound to one OAr<br />

⊲OC6H4-2⊳SS⊲2-OC6H4⊳ 1.920 (4) 133 xxvi

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