The preparation and crystal structures of the sterically hindered lithium alkylchloroacadmate [Li(thf)4][Li(thf)2(µ-Cl)4{CdC(SiMe3)3}2].thf (thf = tetrahydrofuran), the alkylcadmium halides [{Cd[C(SiMe3)3]Cl}4] and [{Cd[C(SiMe2Ph)3]Br}2], and the hydrate [{Cd[C(SiMe2Ph)3]Br(H2O)}]2.(thf)