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2 Homometallic Alkoxides

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422<br />

Table 5.6 (continued)<br />

Metal Oxo M–Oxo bond Mx–Oxo<br />

Compound coord. coord. lengths ( ˚A) bond angles ( Ž ) Reference<br />

⊲NBu4⊳2[Mo5⊲O⊳4⊲ 5-O⊳⊲ -O⊳8⊲ -OMe⊳4⊲NO⊳⊲Na, MeOH)] 5 (Na)<br />

6(Mo)<br />

K2[Mo5⊲O⊳4⊲ 5-O⊳⊲ -O⊳8⊲ -OMe⊳4⊲NO⊳fNa⊲H2O⊳⊲MeOH⊳g] 7 (Na)<br />

6(Mo)<br />

t, , 5 MoO, 1.691–1.699 (7) (t)<br />

av. 1.695<br />

Mo2O, 1.905–1.937 (6) ( )<br />

av. 1.919<br />

MoO, 2.122 (5) ( 5, ap)<br />

2.319–2.363 (5) ( 5, bs)<br />

av. 2.343<br />

MoO(Na), 1.705–1.746 (7)<br />

av. 1.723<br />

NaO(Mo), 2.350–2.401 (9)<br />

av. 2.379<br />

t, 5, MoO, 1.68–1.70 (1), av. 1.69 (t)<br />

Mo2O, 1.900–1.919 (9) ( )<br />

av. 1.91<br />

MoO, 2.154 (8) ( 5, ap)<br />

2.304–2.363 (9) ( 5, bs)<br />

av. 2.336<br />

MoO(Na), 1.71–1.73 (1)<br />

av. 1.72,<br />

NaO(Mo), 2.52–2.66 (1)<br />

av. 2.59<br />

– 167b<br />

– 167b<br />

⊲NMe4⊳2[Mo5⊲O⊳4⊲ 5-O⊳⊲ -O⊳8⊲ -OMe⊳4⊲NO⊳⊲Na, H2O⊳] 6 (Na) t, 5, MoO, 1.691–1.719 (9), – 167b<br />

av. 1.706 (t)<br />

6(Mo) Mo2O, 1.883–1.936 (9) ( )<br />

av. 1.922<br />

MoO 5, 2.155 (8) ( 5, ap)<br />

2.286–2.404 (8) ( 5, bs)<br />

av. 2.345

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