Figure 1 Part of crystal structure of the L4- ligand and PbII centres in 1. All H atoms have been omitted for clarity. [symmetry code: (#1) -x, y+1, -z+1; (#2) x, y - 1,z; (#3) -x + 1, -y + 1, -z + 1; (#4) x + 1, y-1, z; (#5) -x + 1, -y + 1, -z + 1.]  [article HTML]