A self-assembly of AgClO4 with a Schiff-base ligand N,N'-bis(pyridin-2-ylmethylene)benzene-1,4-diamine (1) gave a 1D zigzag polymeric array [{Ag-2(C18H14N4)(2)}(ClO4)(2)(CH3CN)](n) (3), while the self-assembly of AgClO4 with 3,3'-dimethyl-N,N'-bis(pyridin