2 Homometallic Alkoxides

431
Table 5.8 Iron sub-group metal-containing oxo-alkoxides (including heterometallic compounds)
Metal Oxo M–Oxo bond Mx–Oxo
Compound coord. coord. lengths ( ˚A) bond angles ( Ž ) Reference
[⊲LFe⊳2⊲ -O⊳]
L D MeCfCH2N ž žCMeCH2C⊲CF3⊳2Og2⊲CH2NH2⊳
⊲NMe4⊳2[Fe6⊲ 6-O⊳f⊲OCH2⊳3CMeg6]
Na2[Fe6⊲ 6-O⊳⊲ -OMe⊳12⊲OMe⊳6]
⊲NMe4⊳2[Fe6⊲ 6-O⊳⊲ -OMe⊳3f⊲OCH2⊳3CMeg3Cl6]
6
6
6
6
6
6
6
1.811 (1)
FeO, 2.234, 2.259, 2.270 (1) ( 6)
FeO, 2.26, 2.30, 2.30 (2) ( 6)
FeO, 2.24–2.27 (3) ( 6)
Fe2O, 146.6
–
–
Fe2O, 89.3–90.7, av. 90.0
178.9
87
175
176
91
[Fe12⊲ 6-O⊳2⊲OMe⊳18⊲OAc⊳6⊲MeOH⊳4] 6 6 FeO, 2.029–2.430 (4) ( 6) Fe2O, 87.0–100.2, av. 89.9
172.0–173.0
177
[Fe12⊲ 6-O⊳2⊲OMe⊳18⊲O2CCH2Cl⊳5.3Cl0.7⊲MeOH⊳4] 6 6 FeO, 2.009–2.415 (5) ( 6)
av. 2.205
– 92
[Fe6⊲ 4-O⊳2⊲OMe⊳12⊲tren⊳2]⊲O3SCF3⊳2 6 4 FeO, 1.911–2.196, ( 4)
av. 2.054
Fe2O, 96.9–99.9, av. 97.9
157.0
90
[Os⊲O⊳⊲OC2H4O⊳2] 5 t OsO, 1.670 (t) – 177
[Os2⊲O⊳2⊲ -O⊳2⊲OC2Me4O⊳2] 5 t, OsO, 1.675 (7) (t)
OsO, 1.92 (av.) ( )
– 178
[Os2⊲O⊳2⊲ -O⊳2⊲O2C6H10⊳2⊲C7H13N⊳2] 6 t, OsO, 1.73 (1) (t)
OsO, 1.78, 2.22 (1) ( )
– 77
[Os2⊲O⊳2⊲ -O⊳2⊲OCMe2CH2But⊳2] 5 t, OsO, 1.67 (t)
OsO, 1.92 (av.) ( )
– 78
[Os⊲O⊳2fOCF⊲CF3⊳C⊲CF3⊳2Og⊲py⊳2] 6 t OsO, 1.723, 1.732 (5) (t) – 179