Synthesis and characterisation of stable anionic group 3a dichlorometallocene(III) complexes and the X-ray structure of [AsPh4][Nd{η-C5H3(SiMe3)2}2Cl2]
Use of the bis(trimethylsilyl)cyclopentadienyl ligand for stabilising early (f0–f3) lanthanocene chlorides; X-ray structure of [(Pr{η-[C5H3(SiMe3)2]}2Cl)2] and of isoleptic scandium and ytterbium complexes