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6,12-Bis[(tri-cyclo-hexyl-sil-yl)ethyn-yl]indeno-[1,2-b]fluorene.

ABSTRACT: The title compound, C60H76Si2, a formally anti-aromatic system containing 20-? electrons, contains a rare p-xylylene motif. This is displayed by the alternating short and long bonds. The outer rings possess nearly homogenous bond lengths. In the crystal, the molecules forms layers perpendicular to the c axis and within these layers there are two one-dimensional stacks with one stack that has a sp (2) carbon contact of 3.283?(6)?Å, less than the sum of the van der Waals radii. The center of the mol-ecule sits on an inversion center.

SUBMITTER: Rose BD

PROVIDER: S-EPMC3685047 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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6,12-Bis[(tri-cyclo-hexyl-sil-yl)ethyn-yl]indeno-[1,2-b]fluorene.

Rose Bradley D BD Zakharov Lev N LN Haley Michael M MM

Acta crystallographica. Section E, Structure reports online 20130515 Pt 6

The title compound, C60H76Si2, a formally anti-aromatic system containing 20-π electrons, contains a rare p-xylylene motif. This is displayed by the alternating short and long bonds. The outer rings possess nearly homogenous bond lengths. In the crystal, the molecules forms layers perpendicular to the c axis and within these layers there are two one-dimensional stacks with one stack that has a sp (2) carbon contact of 3.283 (6) Å, less than the sum of the van der Waals radii. The center of the m ...[more]

PMID: 23795066

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