This article is unavailable. Silver, J., Frampton, C.S., Fern, G.R., Davies, D.A., Miller, J.R., Sosa-Sanchez, J.L. Novel seven coordination geometry of Sn(IV): Crystal structures of phthalocyaninato bis(undecylcarboxylato)Sn(IV), its Si(IV) analogue, and phthalocyaninato bis(chloro)silicon(IV). The electrochemistry of the Si(IV) analogue and related compounds, (2001) Inorg. Chem., 40(21), 5434-5439. If you wish to obtain a copy please contact the author below: George.Fern@brunel.ac.uk