@article {7231, title = {PHOSPHINE COMPLEXES OF ZIRCONIUM AND HAFNIUM - SYNTHESIS, STRUCTURE, AND FLUXIONAL BEHAVIOR OF THE TRIMETHYL DERIVATIVES MME3[N(SIME2CH2PR2)2] (R = ME, ISO-PR, TERT-BU) - EVIDENCE FOR A BICAPPED-TETRAHEDRAL GEOMETRY}, journal = {Organometallics}, volume = {11}, number = {1}, year = {1992}, note = {ISI Document Delivery No.: GZ040Times Cited: 17Cited Reference Count: 31}, month = {Jan}, pages = {469-472}, type = {Note}, abstract = {The addition of 3 equiv of methyl Grignard (MeMgCl) to the amidodiphosphine derivatives MCl3[N-(SiMe2CH2PR2)2] (M = Zr, Hf; R = Me, Pr(i), Bu(t)) generates the corresponding trimethyl complexes MMe3[N-(SiMe2CH2PR2)2]. The solution structures and fluxional behavior of these molecules along with the X-ray structure of HfMe3[N(SiMe2CH2PMe2)2] are presented.}, keywords = {ALKYL, CARBON BOND, DINITROGEN, ETHYLENE POLYMERIZATION, GROUP-4, HYDRIDE DERIVATIVES, INSERTION, RAY CRYSTAL-STRUCTURE, REDUCTION, TITANIUM}, isbn = {0276-7333}, url = {://A1992GZ04000078}, author = {Fryzuk,Michael D. and Carter, A. and Rettig, S. J.} }