Divalent metal coordination polymers with 2,5-thiophenedicarboxylic acid (H2tdc).
Inclusion of very long spanning dipyridylamide ligand 4-ppbp.
Copper derivative has slab topology with pairs of interleaved (4,4) layer motifs.
Cobalt derivative has tubular structure with rare 1D + 1D → 2D parallel polycatenation.
Nickel derivative has unprecedented system of interpenetrated (4,4)IIb layers.