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2 Homometallic Alkoxides

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325<br />

Table 4.14 <strong>Alkoxides</strong> of nickel, palladium, and platinum<br />

M–O Bond lengths ( ˚A)<br />

Metal Bond angles ( Ž )<br />

Compound coordination Terminal Bridging � MOC Reference<br />

[Ni4⊲ -OMe⊳4⊲MeOH⊳4⊲OC6H4CHO⊳4] 6 2.099 (9) (MeOH) 2.019, 2.043, 117.2, 120.7, 400<br />

2.054 (8) 120.8 (b)<br />

[Ni2fOC⊲CF3⊳2CH2CMeDN⊲CH2⊳6NDCMeCH2C⊲CF3⊳2Og2] 4 1.841, 1.843 (2) – – 401<br />

[NifO2C2⊲CF3⊳4g2] 2 4 1.852 (3) – 111.8 402<br />

[Ni4⊲ -OMe⊳4⊲MeOH⊳4⊲OC6H2Cl3⊳4] 6 2.06–2.09 (MeOH) 2.02–2.08 118–123 403<br />

av. 2.08<br />

av. 2.04<br />

[NifOC⊲CF3⊳2CH2C(Me)DNC2H4C6H4Ng2] 6 2.086 (4) – 126.6 404<br />

[NifOC⊲CF3⊳2CH2PPh2g2] 4 1.837–1.844 (7)<br />

av. 1.839<br />

– 121.1–123.9 405<br />

[NifO2C⊲CF3⊳2gL]<br />

L D cyclo-NDC(Me)CH2C(Me) 2NH⊲C3H6⊳NH⊲C3H6⊳<br />

[NifOC⊲CF3⊳2CH2C(O)DCHC⊲CF3⊳2OHg⊲Me2NC2H4NMe2⊳]<br />

[Ni4⊲ -OMe⊳4⊲MeOH⊳4fPhCO(CH)COPhg4]<br />

5<br />

4<br />

6<br />

2.037, 2.039 (4)<br />

1.825, 1.897<br />

–<br />

–<br />

–<br />

2.015–2.072 (9)<br />

av. 2.045<br />

91.1, 91.4<br />

119.4, 123.1<br />

–<br />

406<br />

407<br />

408<br />

[PdfOC⊲CF3⊳2CH2PPh2gCl⊲PMe2Ph⊳] 4 2.046 (2) – 122.7 409<br />

[PdfOC⊲CF3⊳2C6H4SMegCl⊲PMePh2⊳] 4 2.053 (3) – 125.0 410<br />

[Pt⊲OMe⊳2⊲Ph2PC2H4PPh2⊳] 4 2.037, 2.041 (7) – 117.0, 121.0 411<br />

[Pt(OMe)Me⊲Ph2PC2H4PPh2⊳] 4 1.990 (10) – 119 411<br />

[PtfOC⊲CF3⊳2CH2SMeg⊲PPh3⊳2]⊲BF4⊳ 4 2.041 (5) – 121.2 412<br />

[PtfOC⊲CF3⊳2CH2SMeg⊲PMePh2⊳]⊲BF4⊳ 4 2.058 (6) – 117.3 412<br />

[PtfOC⊲CF3⊳2CH2PPh2g2] 4 2.030–2.034 (6) – – 413<br />

[PtfO2C⊲CF3⊳2g⊲PPh3⊳2] 4 2.040, 2.056 (5) – 91.8, 92.2 414<br />

[Pt⊲OCH2CH2PPh2⊳2] 4 2.039 (5) – 114.8 416<br />

[PtfOCH⊲CF3⊳2gMe⊲PMe3⊳2] 4 2.07 (1) – 125.3 417<br />

[PtfOCH⊲CF3⊳2gfHOCH⊲CF3⊳2gMe⊲PMe3⊳2] 4 2.07 (3) – 123 418<br />

[Pt(D-mannitolate)(DPPP)] 4 2.033, 2.042 (9) – – 419<br />

b D bridging.

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