Fig. 3: X-ray crystal structure of lanthanide supramolecular complexes.

a X ray crystal structure of [Tb2L2SS3] showing a helicate structure. b X ray crystal structure of [Eu4L1SS6] showing a tetrahedron structure.

a X ray crystal structure of [Tb2L2SS3] showing a helicate structure. b X ray crystal structure of [Eu4L1SS6] showing a tetrahedron structure.