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2 Homometallic Alkoxides

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407<br />

⊲NBu4⊳3[⊲MeO⊳TiW5⊲O⊳5⊲ 6-O⊳⊲ -O⊳12] 6, 6 t, 6, TiO⊲ 6⊳, 2.211 (11)<br />

TiO( ), 1.931–1.967 (11)<br />

av. 1.947<br />

WO( 6), 2.333 av.<br />

WO( ), 1.914 av.<br />

WO,1.719av.(t)<br />

– 81<br />

[Zr13⊲ 4-O⊳8⊲ -OMe⊳24⊲ -OMe⊳12]<br />

[Zr3⊲ 3-O⊳⊲ 3-Cl⊳⊲ -OCH2Bu<br />

7, 8 4 2.19, 2.23 (1) – 123<br />

t⊳3⊲OCH2But⊳6] [Zr3⊲ 3-O⊳⊲ 3-OBu<br />

6 3 2.082, 2.089, 2.090 (3) 104. 4 av. 98<br />

t ⊳⊲ -OH⊳⊲ -OBu t ⊳2⊲OBu t ⊳6]<br />

[Zr3Pb⊲ 4-O⊳⊲ 3-OPr<br />

6 3 2.094, 2.108 (4) 100.1, 101.9 98<br />

i ⊳2⊲ -OPri⊳4⊲ -OAc⊳2⊲OPr i ⊳4] 6 (Zr)<br />

5 (Pb)<br />

4 ZrO, 2.15, 2.22, 2.23 (1)<br />

PbO, 2.310 (9)<br />

– 121<br />

[Zr4Pb2⊲ 4-O⊳2⊲ -OEt⊳8⊲ -OAc⊳2⊲OEt⊳4⊲OAc⊳2] 6, 7 (Zr)<br />

4(Pb)<br />

4 ZrO, 2.17<br />

PbO, 2.32<br />

– 126<br />

[ZrPb3⊲ 4-O⊳⊲ 3-OBu t ⊳⊲ -OBu t ⊳5⊲OBu t ⊳2]<br />

[Zr3Fe⊲ 4-O⊳⊲ -Pr<br />

6 (Zr)<br />

5, 3 (Pb)<br />

4 ZrO, 2.23 (4)<br />

PbO, 2.15, 2.26, 2.26 (3)<br />

ZrOPb, 100.9, 101.0, 127.8<br />

Pb2O, 100.8, 111.2, 111.6<br />

22<br />

n⊳6⊲OPr n ⊳4⊲acac⊳3]<br />

[Zr2Co4⊲ 6-O⊳⊲ -OPr<br />

7 (Zr)<br />

5 (Fe)<br />

4 ZrO, 2.106, 2.111, 2.123 (8)<br />

FeO, 2.124 (9)<br />

Zr2O, 114.3, 114.5, 114.7<br />

ZrOFe, 104.0, 104.6, 104.8<br />

127<br />

n ⊳8⊲OPr n ⊳2⊲acac⊳4] 6, 6 6 ZrO, 2.207 (1)<br />

CoO, 2.363, 2.377 (1)<br />

90, 180 128<br />

[Zr4Cu4⊲ 4-O⊳⊲ -OPr i ⊳10⊲OPr i ⊳8] 2 (Cu)<br />

6(Zr)<br />

4 CuO, 1.821–1.843 (9)<br />

av. 1.830<br />

Cu2O, 94.2, 94.4, 102.3,<br />

119.4, 122.8, 125.0<br />

129<br />

[Zr4Cu4⊲ 4-O⊳3⊲ -OPr i ⊳10⊲OPr i ⊳8] 4 (Cu) 4 ZrO, 2.214, 2.231 (11) Cu2O, 90, 180 129<br />

6 (Zr) CuO, 1.9655, 1.9679 (25) Cu2O, 94.9<br />

ZrOCu, 98.1, 98.6, 140.3,<br />

144.3<br />

Zr2O, 92.3<br />

oct D octahedral, t D terminal, tet D tetrahedral.

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