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An unprecedented alpha-C-C agostic interaction in a cyclopropyl tris(pyrazolyl)boratoniobium complex
Joëlle Jaffart1, Michel Etienne, Meike Reinhold
1Laboratoire de Chimie de Coordination du CNRS, UPR8241, 205 Route de Narbonne 31077, Toulouse, France.
Abstract:
Structural, spectroscopic and theoretical evidence indicate that an unusual alpha-C-C agostic interaction is preferred over both alpha- and beta-C-H agostic alternatives in the title compound, TpMe2NbCl(c-C3H5)(MeCCMe).