Structural characterization of Sb2Et4 and Bi2Et4

The solid state structures of Et4Sb2 1 and Et4Bi2 2 were determined by single crystal Xray diffraction. Single crystals of 1 and 2 were grown in a closed quartz glass capillary under an inert argon atmosphere on the diffractometer using a specific IR-laser-assisted technique. 1 shows short intermolecular Sb···Sb interactions, whereas the closest Bi···Bi distances are longer than the sum of the van-der-Waals radii.


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