9,9-Dimethyl-9-silafluorene
The title compound, C14H14Si, crystallizes with two almost identical molecules (r.m.s. deviation = 0.080 Å for all non-H atoms) in the asymmetric unit. All atoms of the silafluorene moiety lie in a common plane (r.m.s. deviations = 0.049 and 0.035 Å for the two molecules in the asymmetric unit). The Si-Cmethyl bonds are significantly shorter [1.865 (4)-1.868 (4) Å] than the Si-Caromatic bonds [1.882 (3)-1.892 (3) Å]. Owing to strain in the five-membered ring, the endocyclic C-Si-C angles are reduced to 91.05 (14) and 91.21 (14)°. Key indicators: single-crystal X-ray study; T = 173 K; mean σ(C–C) = 0.005 A°; R factor = 0.061; wR factor = 0.157; data-to-parameter ratio = 16.3.
| Author: | Jan Mewes, Hans-Wolfram Lerner, Michael Bolte |
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| URN: | urn:nbn:de:hebis:30-68906 |
| Document Type: | Article |
| Language: | English |
| Date of Publication (online): | 02.09.2009 |
| Year of first Publication: | 2009 |
| Publishing Institution: | Univ.-Bibliothek Frankfurt am Main |
| Source: | Acta Crystallographica Section E, Structure Reports Online, 2009. E65, o451 [ doi:10.1107/S1600536809003614 ] |
| HeBIS PPN: | 217318541 |
| Institutes: | Biochemie und Chemie |
| Dewey Decimal Classification: | 540 Chemie und zugeordnete Wissenschaften |
| Sammlungen: | Universitätspublikationen |
| Note: | ISSN 1600-5368 ; Copyright © International Union of Crystallography ; This licence is identical to the Creative Commons Attribution Licence. http://journals.iucr.org/services/oa/openaccess_e.html |
| Licence (German): |  Veröffentlichungsvertrag für Publikationen ohne Print on Demand |
