2 Homometallic Alkoxides

529
[Eu⊲ 2-OAr⊳4⊲OAr⊳2⊲ 3-OH⊳2⊲NCMe⊳6]
butterfly arrangement of Eu atoms
OC6H3Pri 2-2,6 2-OC6H3Pri 2-2,6 [⊲DME⊳⊲ArO⊳Eu⊲ 2-OAr⊳3Eu⊲DME⊳2]
[Eu⊲OAr⊳2⊲OH2⊳6]⊲OAr⊳.6H2O
OC6H3Me2-2,6
2-OC6H3Me2-2,6
OC6H2⊲NO2⊳3-2,4,6
2.284 (6)–2.299 (6)
2.403 (6)–2.543 (6)
2.350 (5)
2.447 (5)–2.597 (5)
2.327 (7)
2.372 (7)
167
151
151
xlviii
l
xv
[⊲L⊳3Eu⊲ 2-OAr⊳3Eu⊲L⊳2⊲OAr⊳]
L D N -methylimidazole; face-shared bi-octahedron
[⊲L⊳2⊲ArO⊳Eu⊲ 2-OAr⊳2⊲ 2-L⊳Eu⊲L⊳2⊲OAr⊳]
L D NCMe; face-shared bi-octahedron
f[Eu⊲ 3-
OC6H3Me2-2,6
2-OC6H3Me2-2,6
OC6H3Me2-2,6
2-OC6H3Me2-2,6
2.365 (3)
2.479 (3)–2.632 (3)
2.288 (3)
2.479 (3)–2.632 (3)
158
178
li
li
2-OCH2CH2OMe⊳⊲ 2- OCH2CH2OMe⊳⊲OAr⊳][H]g4
tetrahedral Eu
OC6H3Me2-2,6
OC6H3Pri 2-2,6 derivative
isostructural but poorly refined
2.420 (8) 154 lii
[Gd⊲OAr⊳3⊲THF⊳2]
tbp, axial THF
OC6H3Pri 2-2,6 2.138 (9)
2.156 (11)
153
173
xxii
2.096 (9)
176
[Gd(OAr) 2⊲OH2⊳6]⊲OAr⊳.6H2O
three forms
OC6H2⊲NO2⊳3-2,4,6
2.309 (7)
Form I
151
liii
2.363 (7)
Form II
150
2.32 (1)
148
2.38 (1)
Form III
148
2.34 (2)
148
2.38 (2)
147
xlviZ. Hou, Y. Zhang, T. Yoshimura, and Y. Wakatsuki, Organometallics, 16, 2963 (1997).
xlviiJ. R. van den Hende, P.B. Hitchcock, S.A. Holmes, M.F. Lappert, WingPor Leung, T.C.W. Mak, and S. Prashar, J. Chem. Soc., Dalton Trans.,
1427 (1995).
xlviiiW.J. Evans, M.A. Greci, and J.W. Ziller, J. Chem. Soc., Dalton Trans., 3035 (1997).
xlixG.B. Deacon, C.M. Forsyth, P.C. Junk, B.S. Skelton, and A.H. White, Chem. Eur. J., 5, 1452 (1999).
lW.J. Evans, W.G. McClelland, M.A. Greci, and J.W. Ziller, Eur. J. Solid State Inorg. Chem., 33, 145 (1996).
liW.J. Evans, M.A. Greci, and J.W. Ziller, J. Chem. Soc., Chem. Commun., 2367 (1998).
liiW.J. Evans, M.A. Greci, and J.W. Ziller, Inorg. Chem., 37, 5221 (1998).
liiiJ.M. Harrowfield, L. Weimin, B.W. Skelton, and A.H. White, Aust. J. Chem., 47, 349 (1994).
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