“…Tin(IV) complexes containing diimine and pyridyl ligands, such as 2,2 0 -bipyridine and 1,10-phenanth roline, have been widely investigated [7][8][9]. They usually form 1:1 and 1:2 adducts; the resulting adducts usually exist with trigonal bipyramidal or octahedral geometries [1,10].…”