Stacked ring-like coordination complex molecules threaded by infinite water tapes

{[Cu2(mal)2(bpfp)2(H2O)2]·10H2O}n (mal = malonate, bpfp = bis(4-pyridylformyl)piperazine) possesses stacks of ring-like neutral coordination complex molecules threaded by unique infinite T6(6)4(4)4(3)4(3)A(2) water molecule tapes.