1,7-Dimethylpentacyclo[5.4.0.0 2,6 .0 3,10 .0 5,9 ]undecane-8,11-dione

The structure of the title compound, C13H14O2, a pentacycloundecane cage derivative, exhibits unusual Csp3—Csp3 single-bond lengths ranging from 1.505 (3) to 1.607 (2) Å and strained bond angles as small as 88.7 (1)° and as large as...

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Bibliographic Details
Published in:Acta crystallographica. Section E, Structure reports online Structure reports online, 2010-08, Vol.66 (8), p.o1901-o1902
Main Authors: Chakka, Sai Kumar, Onajole, Oluseye K., Govender, Thavendran, Maguire, Glenn E. M., Su, Hong, Kruger, Hendrik G.
Format: Article
Language:English
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Summary:The structure of the title compound, C13H14O2, a pentacycloundecane cage derivative, exhibits unusual Csp3—Csp3 single-bond lengths ranging from 1.505 (3) to 1.607 (2) Å and strained bond angles as small as 88.7 (1)° and as large as 121.0 (2)°. In this meso compound, an internal non-crystallographic mirror plane exists, bisecting the molecule. In the crystal, weak C—H...O hydrogen bonds link the molecules into an infinite spiral about a twofold screw axis along the [100] direction.
ISSN:1600-5368
1600-5368
DOI:10.1107/S1600536810025055