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1,4-Bis[4-(tert-butyl-diphenyl-silyl)buta-1,3-diyn-yl]benzene.

ABSTRACT: The title centrosymmetric mol-ecule, C(46)H(42)Si(2), is composed of a central benzene ring with buta-1,3-diynyl chains at positions 1 and 4. These chains are terminated by tert-butyl-diphenyl-silyl groups, hence the molecule is dumbbell in shape. The mol-ecules are connected via C-H?? inter-actions in the structure, so forming an undulating two-dimensional network in the bc plane. There is also a weak ?-? inter-action involving centrosymmetrically related phenyl rings with a centroid-centroid distance of 3.8359?(11)?Å.

SUBMITTER: Thevenet D 

PROVIDER: S-EPMC2983810 | biostudies-other | 2010

REPOSITORIES: biostudies-other

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1,4-Bis[4-(tert-butyl-diphenyl-silyl)buta-1,3-diyn-yl]benzene.

Thevenet Damien D   Neier Reinhard R   Stoeckli-Evans Helen H  

Acta crystallographica. Section E, Structure reports online 20100313 Pt 4

The title centrosymmetric mol-ecule, C(46)H(42)Si(2), is composed of a central benzene ring with buta-1,3-diynyl chains at positions 1 and 4. These chains are terminated by tert-butyl-diphenyl-silyl groups, hence the molecule is dumbbell in shape. The mol-ecules are connected via C-H⋯π inter-actions in the structure, so forming an undulating two-dimensional network in the bc plane. There is also a weak π-π inter-action involving centrosymmetrically related phenyl rings with a centroid-centroid d  ...[more]

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