26.12.2012 Views

2 Homometallic Alkoxides

2 Homometallic Alkoxides

2 Homometallic Alkoxides

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

588<br />

Table 6.28 (Continued)<br />

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

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

Mixed aryloxy halides, amides’ etc.<br />

[(ArO) 2Cl2Mo⊲ 2-OAr⊳2MoCl2(OAr) 2]<br />

6-coord. Mo, Cl trans to -O<br />

OC6H5 1.822 (8)<br />

1.806 (7)<br />

166<br />

155<br />

vi<br />

2-OC6H5<br />

2.059 (8), 2.014 (8)<br />

[(2,2,2-Cryptand)Na]2[Mo6(OAr) 6Cl8]<br />

hexagonal cluster with terminal OAr<br />

OC6H5 2.091 (4) 136 vii<br />

1,2-[Mo2(OAr) 4⊲OPr i ⊳2]<br />

two independent molecules<br />

OC6H3Me2-2,6 1.902 (4)<br />

1.897 (4)<br />

157<br />

155<br />

viii<br />

1.898 (4)<br />

148<br />

1.903 (4)<br />

145<br />

1,2-[Mo2(OAr) 4⊲NMe2⊳2]<br />

anti rotamer, Mo<br />

OC6H3Me2-2,6 1.961 (3) 115 ix<br />

6C<br />

2 core<br />

1,2-[Mo2(OAr) 2⊲NMe2⊳4] OC6H3Bu<br />

1.926 (3) 148<br />

t gauche rotamer, Mo<br />

-2-Me-6 2.003 (7) 126 x<br />

6C<br />

2 core<br />

[Mo2(OAr) 4⊲O2CNMe2⊳2]<br />

Mo<br />

OC6H3Me2-2,6<br />

1.971 (7)<br />

1.941 (5)<br />

140<br />

125 ix<br />

6C<br />

2 core<br />

[Mo2(OAr) 4⊲ 2-OAr⊳2⊲ 2-<br />

NMe2⊳⊲HNMe2⊳2]<br />

confacial bi-octahedron, Mo<br />

1.953 (5) 131<br />

7C<br />

2 core<br />

OC6H3Me2-3,5 1.988 (4)<br />

1.951 (4)<br />

1.960 (4)<br />

1.971 (4)<br />

2.118 (4), 2.109 (4)<br />

143<br />

140<br />

142<br />

145<br />

v<br />

2-OC6H3Me2-3,5 2.140 (4), 2.121 (4)<br />

[Mo2⊲OAr⊳4⊲NMe2⊳2⊲HNMe2⊳2]<br />

two forms<br />

OC6F5 2.060 (4)<br />

2.073 (4)<br />

134<br />

133<br />

iii<br />

2.048 (4)<br />

134<br />

2.072 (4)<br />

126

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!