Synthesis and X-ray structure of an organolanthanum complex [(Bu^tCp)"3LaClLi(THF)"3] - Ren, J.; Guan, J.; Jin, S.; Shen, Q. (Elsevier)
LaCl"3.2LiCl reacts with two equivalents of Bu^tCpNa in THF to give the complex [(Bu^tCp)"3LaClLi(THF)"3]. The crystal structure was determined by X-ray diffraction at room temperature. Two units, (Bu^tCp)"3La and Li(THF)"3, are connected by a single chlorine bridge. The 10-coordinated lanthanum atom was bonded to three Bu^tCp groups and one chlorine atom to form a distorted pseudo-tetrahedral arrangement.
http://linkinghub.elsevier.com/retrieve/pii/S0277-5387(00)83417-8
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