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syn-exo-4,7,12,15-Tetra­kis(trimethyl­sil­yl)-4,7,12,15-tetra­hydro­[2.2]paracyclo­phane

✍ Scribed by Jones, Peter G. ;Bubenitschek, Peter ;Hopf, Henning ;Savinsky, Rainer

Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
136 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 28 H 52 Si 4 , crystallizes in the uncommon space group I4 1 22 with 222 symmetry. Despite the reduction of the rings, several features of [2.2]paracyclophane strain are still apparent.

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Single-crystal synchrotron study T = 160 K Mean '(C±C) = 0.004 A Ê Disorder in main residue R factor = 0.054 wR factor = 0.135 Data-to-parameter ratio = 16.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.