1,4-Bis(4'-[2.2.2]paracyclophanyl)buta-1,3-diyne and its Bis[silver(I) hexafluoroantimonate] Complex
作者:P. G. Jones、F. Heirtzler、H. Hopf
DOI:10.1107/s0108270195016994
日期:1996.6.15
The free ligand, C52H46, crystallizes with imposed twofold symmetry and its disilver(I) complex, mu-eta(6):eta(6)[1,4-bis(4'-[2.2.2]paracyclophanyl)buta-1,3- diyne]-bis-[(hexafluoroantimonato-F)silver(I)] bis(dichloromethane) solvate, [Ag-2(SbF6)(2)(C52H46)].2CH(2)Cl(2), with inversion symmetry. The planes of the arenes directly bound to the diyne spacer subtend an interplanar angle of 26 degrees in the free ligand, whereas they are exactly coplanar in the complex. The spacer is linear, with C4 ... C4(i) lengths of 6.65 and 6.74 Angstrom in the free ligand and the complex, respectively. The complex crystallizes with one molecule of dichloromethane per asymmetric unit. A short Ag-F contact of 2.636 (8) Angstrom is observed.