Kinetic studies of the cleavage of M+- (M+ = Na+, PPN+; M' = Cr, W; M'' = Mn, Re; L = CO, PR3)

Article abstract of DOI:10.1016/0022-328X(91)86383-2

Heterobimetallic complexes have a donor-acceptor metal-metal bond in which two electrons from the electron rich metal moiety are donated to the other electron-deficient metal moiety.The heterobimetallic species of interest, M^+- (M⁺ = Na⁺, PPN⁺; M' = Cr, W; M'' = Mn, Re; L = CO, PR3) undergoes ligand substitution or metal-metal bond cleavage upon reaction with PR3 (R = C6H5, C2H5) or CO.Unprecedented reactions by the counter ion were observed.Factors affecting these dimeric disruptions will be discussed on the basis of the kinetic studies.