View of STRUCTURALLY DIFFERENT DIVALENT MEТALLASILOXANES [Mg{О(Рh<sub>2</sub>SiО)<sub>2</sub>}<sub>2</sub>]-μ-(LiРy)-μ-{(LiРy)<sub>3</sub>(ОH(Сl)}], [Cr{О(Рh<sub>2</sub>SiО)<sub>2</sub>}<sub>2</sub>-μ-(LiРy<sub>2</sub>)<sub>2</sub>] AND [{O(Рh<sub>2</sub>SiO)<sub>2</sub>}Co{O(Рh<sub>2</sub>SiO)<sub>3</sub>)}-μ-(LiРу<sub>2</sub>)<sub>2</sub>] FROM Рh<sub>2</sub>Si(OH)<sub>2</sub>/2BuLi AND THE METAL DICHLОRIDES