2009 Volume 25 Pages 63-64
The crystal of the title compound, C38H38Si2, belongs to space group P1 with cell dimensions of a = 8.6324(6), b = 6.8543(5), c = 27.610(2)Å, α = 89.982(4), β = 89.783(4), and γ = 89.990(5)°. The final R value is 0.057. The central 1,4-diphenylbuta-1,3-diyne moiety takes a linear and planar structure. The trimethylsilyl and the terminal phenyl groups are located on opposite sides with respect to the central planar part.