2 Homometallic Alkoxides

648 Alkoxo and Aryloxo Derivatives of Metals
Table 6.51 Thallium aryloxides
Bond Bond
length ( ˚A) angle ( Ž )
Compound Aryloxide M–O M–O–Ar Ref.
[Tl⊲ 2-OAr⊳2Tl]
2 coord. Tl
2-OC6H2⊲CF3⊳3-2,4,6 2.469 (8), 2.46 (1) i
[Me2Tl⊲ 2-OAr⊳2TlMe2]
almost linear Me–Tl–Me
2-OC6H5 2.37 (9), 2.36 (10) ii
[Me2Tl⊲ 2-OAr⊳2TlMe2]
almost linear Me–Tl–Me
2-OC6H4Cl-2 2.43 (1), 2.40 (1) ii
[(ArO)TlEt2] OC6H4CHO-2 2.46 (2) 133 iii
i H.W. Roesky, M. Scholz, M. Noltemeyer, and F.T. Edelmann, Inorg. Chem., 28, 3829 (1989).
ii P.J. Burke, L.A. Gray, P.J.C. Hayward, R.W. Matthews, M. McPartlin, and D.G. Gillies, J.
Organomet. Chem., 136, C7 (1977).
iii G.H.W. Milburn and M.R. Truter, J. Chem. Soc. A, 648 (1967).
Table 6.52 Germanium aryloxides
Bond Bond
length ( ˚A) angle ( Ž )
Compound Aryloxide M–O M–O–Ar Ref.
[Ge(OAr) 2]
vee-shaped molecule
[⊲ArO⊳2GeFe(CO) 4]
trigonal Ge, Ge(OAr) 2 in
equatorial plane of tbp Fe
[Ge(OAr) 3Cl]
tetrahedral Ge
[Ge(OAr) 2⊲NMe2⊳2]
tetrahedral Ge
[Ge(OAr)(CNO)fN⊲SiMe3⊳⊲C6H2Me3⊳g2]
tetrahedral Ge
[Ge(OAr)(CNO)fN⊲SiMe3⊳⊲C6H3Pri 2⊳g2] tetrahedral Ge
OC6H2But 2-2,6- Me-4
OC6H2But 2-2,6- Me-4
1.807 (4) 123 i
1.778 (6)
1.776 (6)
OC6H3Ph2-2,6 1.739 (5)
1.754 (5)
1.744 (5)
OC6H3Ph2-2,6 1.795 (3)
1.777 (3)
126
121
125
123
123
122
121
OC6H5 1.772 (2) 130 iv
OC6H5 1.777 (4) 132 iv
i B. Cetinkaya, I. Gumrukcu, M.F. Lappert, J.L. Atwood, R.D. Rogers, and M.J. Zaworotko, J.
Am. Chem. Soc., 102, 2088 (1980).
ii P.B. Hitchcock, M.F. Lappert, S.A. Thomas, A.J. Thorne, A.J. Carty, and N.J. Taylor, J.
Organomet. Chem., 315, 27 (1986).
iii G.D. Smith, P.E. Fanwick, and I.P. Rothwell, Inorg. Chem., 29, 3221 (1990).
iv A. Meller, G. Ossig, W. Maringgele, M. Noltemeyer, D. Stalke, R. Herbst-Irmer, S. Freitag,
and G.M. Sheldrick, Z. Naturforsch. B, 47, 162 (1992).
ii
iii
iii