VIBRATIONAL STUDY OF THE COMPLEXES PENTAMETHYLCYCLOPENTA-DIENYLDICARBONYL RHENIUM PHOSPHINE AND PHOSPHITE - (ETA-5-C5ME5)RE(CO)2(PR3) R=ME, OME, OPH

A complete vibrationalassignment of the title compounds is performed from their IR and Raman Spectra. A normal coordinate treatment of these molecules based on a simplified model allow us to confirm most of the experimental assignments. A comparison of some structural aspects of these complexes with Cp*Re(CO)3 are also discussed. Additionally, the preparation and characterization of the trimethylphosphite derivative is reported.