1,7-Dimethylpentacyclo[5.4.0.02,6.-03,10.05,9]undecane-8,11-dione
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2010
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Acta Crystallographica Section E: Structure Reports Online
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International Union of Crystallography
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University of Cape Town
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Abstract
The structure of the title compound, C13H14O2, a pentacycloundecane cage derivative, exhibits unusual Csp3 —Csp3 singlebond lengths ranging from 1.505 (3) to 1.607 (2) A˚ 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—HO hydrogen bonds link the molecules into an infinite spiral about a twofold screw axis along the [100] direction.
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Reference:
Chakka, S. K., Onajole, O. K., Govender, T., Maguire, G. E., Su, H., & Kruger, H. G. (2010). 1, 7-Dimethylpentacyclo [5.4. 0.02, 6.03, 10.05, 9] undecane-8, 11-dione. Acta Crystallographica Section E: Structure Reports Online, 66(8), o1901-o1902.