  We present the synthesis and characterization of (15-crown-5)BiI$_3$ (1) and
(15-crown-5)BiI$_3$*0.5TIE (2), a halogen bonded adduct with tetraiodoethylene
(TIE), a typical halogen bond donor. Our results show that crown ether
complexes of main group metal halides can be employed as halogen bond acceptors
for the synthesis of new supramolecular aggregates and highlight the
significant interaction between the two building blocks.
