Abstract
The crystal and molecular structure of the polyunsaturated macrocyclic carbosilane 1,4,4,7,7,10,13, 13,16,16-decamethyl-1,4,7,10,13,16-hexasilabicyclo-[8.8.2]-eucosa-5,14-diene-2,8,11,17-tetrain containing SiC(sp), SiC(sp 2), and SiC(sp 3) endocyclic bonds was studied by XRD. The two strained 12-membered rings of this molecule have different (trans-zigzag and staggered) conformations. The lengths of the endocyclic bonds SiC(sp) are 1.821–1.852 Å, SiC(sp 2) 1.855–1.874 Å, and SiC(sp 3) 1.847–1.853 Å. The structure of the rings was solved by direct methods and refined by the full-matrix least-squares method. Calculations were carried out with SHELXTL PLUS 5.1 software.
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Original Russian Text Copyright © 2007 by A. A. Korlyukov, M. G. Voronkov, L. V. Zhilitskaya, E. E. Istomina, and M. Yu. Antipin
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Translated from Zhurnal Strukturnoi Khimii, Vol. 48, No. 4, pp. 768–771, July–August, 2007.
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Korlyukov, A.A., Voronkov, M.G., Zhilitskaya, L.V. et al. Crystal and molecular structure of polyunsaturated macrobicyclic carbosilane C24H38Si6 . J Struct Chem 48, 719–722 (2007). https://doi.org/10.1007/s10947-007-0109-6
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DOI: https://doi.org/10.1007/s10947-007-0109-6