Bildung siliciumorganischer Verbindungen, 47. Die Kristall- und MolekülStruktur von 1,3,5,7- Tetramethyl-tetrasila-adamantan |
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| Authors: | E W Krah R Mattes K-F Tebbe H G v Schnering G Fritz |
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| Institution: | E. W. Krahé,R. Mattes,K.-F. Tebbe,H. G. v. Schnering,G. Fritz |
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| Abstract: | Formation of organosilicon compounds. 47. The crystal land molecular structure of 1,3,5,7-tetramethyl-tetrasila-adamantan 1,3,5,7- Tetramethyl-tetrasila-adamantan, Si4C10H24, is a pyrolysis product of Si(CH3)4. It crystallizes in the monoclinic space group P21/c with a = 8.859 Å, b = 9.844 Å, c = 18.316 Å, β = 91.04°, Z = 4. The molecule exhibits Td-symmetry within the experimental error. The mean bond lengths Si? C are 1.889 Å and 1.866 Å for the Si? CH3 and Si? CH2 bonds respectively. |
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