2 Homometallic Alkoxides

413
Table 5.5 Vanadium 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
[V2⊲O⊳2⊲ -OMe⊳2⊲OMe⊳4] 6 t, VO, 1.51, 1.58 (t) – 130
VO, 2.25, 2.30 ( )
[V2⊲O⊳2⊲ -OC2H4Cl⊳2⊲OC2H4Cl⊳6] 5 t VO, 1.584 (2) (t) – 46
[V2⊲O⊳2⊲ -OC5H9-c⊳2⊲OC5H9-c⊳6] 5 t VO, 1.595 (3) (t) – 134
[OV⊲OC2H4⊳3N] 5 t VO, 1.633 (6) (t) – 83
[OV⊲OC2H4⊳3N] 5 t VO, 1.601 (6) (t) – 131
[OV⊲OCHMeCH2⊳3N] 5 t VO, 1.617 (13) (t) – 83
[OVf⊲OC2H4⊳2N⊲CHEtCH2O⊳g] 5 t VO, 1.614 (2) (t) – 132
[OV⊲OCHBu t CH2⊳3N] 5 t VO, 1.612 (2) (t) – 133
[V2⊲O⊳2Cl2⊲OC2H4O⊳2] 4 t VO, 1.578 (2) (t) – 135
[V2⊲O⊳2f⊲OCH2⊳2CMe⊲CH2OH⊳g2Cl2] 6 t VO, 1.592 (4) (t) – 60, 136
⊲PPh4⊳2[V2⊲O⊳2⊲ -OMe⊳2Cl4] 5 t VO, 1.581 (4) (t) – 60, 136
⊲PPh4⊳2[V2⊲O⊳⊲ -OEt⊳2Cl4] 5 t VO, 1.592 (6) (t) – 60, 136
[V4⊲O⊳4⊲ -O⊳4⊲ 3-OMe⊳2⊲OMe⊳2⊲bpy⊳2] 6 t, VO, 1.597, 1.610, (1) (t) V2O, 113.9, 118.0 137
VO, 1.84 (av.) ( )
⊲Bu4N2⊳[V4⊲O⊳4f⊲OCH2⊳3CEtg2⊲SO4⊳2⊲H2O⊳2] 6 t VO, 1.592, 1.609 (6) (t) – 60
[V4⊲O⊳4⊲ -O⊳2⊲ -OEt⊳2⊲OEt⊳4⊲phen⊳2] 4, 6 t, V(IV)O, 1.592 (3) (t) – 138
⊲NBu4⊳2[V⊲O⊳6⊲ 6-O⊳⊲ -O⊳6f⊲OCH2⊳3CNO2g2] 6 t, , 6 VO, 1.602 (av.) (t) V2O, 109.7 (av.) ( ) 56
VO, 1.819 (av.) ( ) V2O, 84.7 and 95.3 (av.) ( 6)
VO, 2.244 (av.) ( 6)
Ba[V⊲O⊳6⊲ 6-O⊳⊲ -OH⊳3f⊲OCH2⊳3CMeg3] 6 t, 6 VO, 1.596, 1.667 (24) (t) V2O, 89.2, 90.2, 179.2 ( 6) 55
VO, 2.272, 2.328 (19) ( 6)
Na2[V⊲O⊳6⊲ 6-O⊳f⊲OCH2⊳3CEtg4] 6 t, 6 VO, 1.593 (7) (t) – 55
VO, 2.315 (2) ( 6)
⊲Me3NH⊳[V⊲O⊳6⊲ 6-O⊳⊲ -OH⊳3f⊲OCH2⊳3CMeg3] 6 t, 6 VO, 1.600, 1.608 (7) (t) V2O, 89.5 ( 6) 55
VO, 2.236, 2.382 (8) ( 6)
Na[V6⊲O⊳6⊲ 3-F⊳⊲ -OH⊳3f⊲OCH2⊳3CMeg3] 6 t VO, 1.549, 1.634 (t) – 55
⊲NBu4⊳[V6⊲O⊳6⊲ 6-O⊳⊲ -O⊳5⊲ -OMe⊳7] 6 t, , 6 VO, 1.591 (av.) (t) V2O, 112.6 ( ) 57
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