The crystal and molecular structure of 5,5-diphenyloctafluorogermanthrene, (C6H5)2GeC12F8
作者:D.S. Brown、A.G. Massey、T.K. Mistry
DOI:10.1016/0022-328x(86)80099-7
日期:1986.3
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
C 12 F 8 Ge(C 6 H 5)2中C 6 F 4环的两个6,6'-氟之间的FF空间相互作用会在分子中引起相当大的畸变,因为这两个氟原子被迫彼此之间的距离不超过2.419Å(范德华距离⋍2.7Å)。晶体数据:C 12 F 8 Ge(C 6 H 5)2,M r 522.89,C 2 / c,a 29.065(2),b 8.066(2),c 23.000(3)Å,β129.85°,U4139.63埃3,Ž = 8,d X 1.678镁米-3,钼ķ α,λ0.7107埃,μ15.58厘米-1,˚F(000)= 2064,Ť 293 K,- [R = 0.044对于2264反射与我>3σ(I); Δρ±0.5ë -