Crystal Structure Centre, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The NetherlandsThe title compound, 1,1,1',l',2,2,2',2'-octabutyl-l,l',2,- 2r-tetmsila[2.2] (9,20)t~,ar-terthiophenophane (10,10,11,- ll,24,24,25,25-octa-n-butyl-29,30,31,32,33,34-...