| abstract |
Metal complex containing one or more silsesquioxane ligands, having the formula n Z y (MA x B q ) b (I), n wherein Z is a silsesquioxane according to the formula n R 7-l Si 7 O 12 YD 1+l (II), n M is a metal from groups 3-6 of the Periodic System of the Elements and the lanthanides, n A is a monoanionic ligand bound to the metal, n B is a π-bound ligand, n y represents the number of silsesquioxane ligands and is 1-10, n b represents the number of metal groups and is 1-20, n q is 0, 1 or 2, n x is the number of substituents A bound to the metal; the value of x depends on the metal used and is equal to the valency of the metal minus 1, 2, 3 or 4, n R is a substituent bound to Si, n Y is an atom from group 13 or 14 of the Periodic System of the Elements, n D is a group, directly bound to Y or Si with one atom from group 15 or 16 of the Periodic System of the Elements and n l determines the amount of substituents R and atoms D and is equal to 0, 1, 2 or 3. |