N. Nagel et al., 1,2,4,5-TETRAKIS(TRIMETHYLSILYLMETHYL)BENZENE AT 150 K, Acta crystallographica. Section C, Crystal structure communications, 53, 1997, pp. 1329-1331
The title compound, C22H46Si4, crystallizes in space group Fddd with c
rystallographic symmetry 222. Steric overcrowding by the bulky ligands
is avoided by arranging the trimethylsilyl groups alternately above a
nd below the benzene plane in skeletal D-2 symmetry.