1,4-Bis[4-(tert-butyldiphenylsilyl)buta-1,3-diynyl]benzene
Date issued
2010
In
Acta Crystallogr., Sect. E Struct. Rep. Online
Vol
4
No
66
From page
o839
To page
o840
Subjects
Crystal structure Molecular structure (of bis[(tert-butyldiphenylsilyl)butadiynyl]benzene) tertbutyldiphenylsilylbutadiynylbenzene crystal mol structure
Abstract
The title centrosym. mol., C46H42Si2, is composed of a central benzene ring with buta-1,3-diynyl chains at positions 1 and 4. These chains are terminated by tert-butyldiphenylsilyl groups, hence the mol. is dumbbell in shape. The mols. are connected via C-H...? interactions in the structure, so forming an undulating 2D network in the bc plane. There is also a weak ?-? interaction involving centrosym. related Ph rings with a centroid-centroid distance of 3.8359(11) Å. Crystal data: monoclinic, P21/c, a = 8.535(1), b = 17.2060(14), c = 13.4923(14) Å, ? = 104.064(9)°, Z = 2, 3260 obsd. reflections with I > 2(I), 220 refined parameters, R[F2 > 2?(F2)] = 0.044, wR(F2) = 0.104. [on SciFinder(R)]
Publication type
journal article