摘要: The structural chemistry of the lanthanides, yttrium, and scandium is reviewed, using Cambridge Crystallographic Data Centre file. In addition, relevant complexes with only inorganic ligands have been included. Organolanthanides are divided into cyclopentadienides, σ-bonded compounds, cyclooctatetraene complexes. A brief discussion covalent contribution to bonding in organolanthanides coordination organized terms their numbers. Lower numbers 3 7 appear be rare directly related steric effects. 8 9 “favored” ones for these elements. number examples 10, 11 12 discussed. Relatively long lanthanide-nitrogen bond distances a recurring feature more general effect may lengths “soft” donor atoms.
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