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2 Homometallic Alkoxides

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645<br />

Table 6.49 Gallium aryloxides<br />

Bond length ( ˚A) Bond angle ( Ž )<br />

Compound Aryloxide M–O M–O–Ar Reference<br />

[Ga(OAr) 3]<br />

6-coord. Ga, mer-O3<br />

[Ga(OAr) 3]<br />

6-coord. Ga, mer-O3<br />

OC6H4(oxazole)-2 1.934 (2)<br />

1.981 (2)<br />

1.929 (2)<br />

OC6H4(oxazole)-2-⊲CH2CHDCH2⊳-6 1.920 (2)<br />

1.938 (2)<br />

1.923 (2)<br />

[Ga(OAr)⊲NC5H6Me4⊳2]<br />

trigonal Ga, tetramethylpiperidino ligands<br />

OC6H5 1.822 (3) 129 ii<br />

[⊲But⊳2Ga⊲ 2-OAr⊳2Ga⊲But⊳2] [Et2Ga⊲ 2-OAr⊳2GaEt2]<br />

2-OC6H5<br />

2-OC6H3Ph2-2,6<br />

2.035 (1)<br />

1.998 (2), 1.992 (2)<br />

2.034 (2), 1.998 (2)<br />

129 iii<br />

iv<br />

[Me2Ga⊲ 2-OAr⊳2GaMe2]<br />

5-coord. Ga<br />

2-OC6H4OMe-2 1.957 (4), 2.046 (4) v<br />

[Ga(tri-OAr)]<br />

octahedral Ga<br />

MeC⊲CH2NHCH2-2-OC6H4⊳3<br />

1.916 (2)<br />

1.922 (2)<br />

120<br />

119<br />

vi<br />

1.923 (2)<br />

120<br />

[Mg⊲OH2⊳6][Ga(di-OAr)]2 ethylene-bis(o-hydroxyphenyl)glycine) 1.899 (1)<br />

126<br />

vii<br />

1.886 (2)<br />

125<br />

[Ga(OAr) 2⊲OAc⊳]<br />

6-coord. Ga<br />

OC6H4⊲benzoxazole)-2 1.873 (2) 127 viii<br />

[Ga⊲H-tri-OAr⊳][ClO4]<br />

octahedral Ga, one HOAr bound<br />

c-fCH2CH2N⊲-2-OC6H2Me2-4,6⊳g3 1.937 (3)<br />

1.900 (3)<br />

130<br />

131<br />

ix<br />

132<br />

130<br />

131<br />

130<br />

131<br />

130<br />

(continued overleaf)<br />

i<br />

i

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