An unprecedented alpha-C-C agostic interaction in a cyclopropyl tris(pyrazolyl)boratoniobium complex.
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).
Laboratoire de Chimie de Coordination du CNRS, UPR8241, 205 Route de Narbonne 31077, Toulouse, France.
Joëlle
J
Jaffart
Michel
M
Etienne
Meike
M
Reinhold
John E
JE
McGrady
Feliu
F
Maseras