Suppressed Phosphine Dissociation by Polarization Effects on the Donor–Acceptor Bonds in [Ni(PEt3)4–n(ECp*)n] (E = Al, Ga)

[1 ]Department of Chemistry, Technical University Munich, Lichtenbergstrasse 4, D-85748 Garching, Germany

[2 ]Catalysis Research Centre, Technical University Munich, Ernst-Otto-Fischer Strasse 1, D-85748 Garching, Germany

[3 ]The New Zealand Institute of Advanced Study, Massey University, Private Bag 102904, 0632 Auckland, New Zealand

[4 ]Fachbereich Chemie, Philipps-Universität Marburg, D-35032 Marburg, Germany