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The crystal and molecular structure of 5,5-diphenyloctafluorogermanthrene, (C6H5)2GeC12F8
Affiliation:1. Department of Chemistry, Bar-Ilan University, Ramat Gan, Israel;2. Bar-Ilan Institute of Nanotechnology and Advanced Materials, Ramat Gan, Israel;3. Department of Materials and Interfaces, Weizmann Institute of Science, Israel;4. Schulich Faculty of Chemistry, Technion- Israel Institute of Technology, Israel;5. Department of Chemical Research Support, Weizmann Institute of Science, Israel
Abstract:F---F steric interaction between the two 6,6′-fluorines of the C6F4 rings in C12F8Ge(C6H5)2 cause quite distortions in the molecule as these two fluorine atoms are forced to within 2.419 Å of each other (Van der Waals distance ⋍ 2.7 Å). Crystal data: C12F8Ge(C6H5)2, Mr 522.89, C2/c, a 29.065(2), b 8.066(2), c 23.000(3) Å, β 129.85°, U 4139.63 Å3, Z = 8, Dx 1.678 Mg m−3, Mo-Kα, λ 0.7107 Å, μ 15.58 cm−1, F(000) = 2064, T 293 K, R = 0.044 for 2264 reflections with I > 3σ(I); Δϱ ± 0.5 e
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