Article: Recent studies from Nankai University add new data to crystallography.

"To explore the influence of ligand backbones oil the structures of coordination architectures, three structurally related rodlike ligands bearing different backbones, 1,4-bis(benzoimidazol-1-yl)-phenyl (L-1), 1,4-bis(imidazol-1-yl)-benzene (L-2), and 4,4'-bis(imidazol-1-yl)-biphenyl (L-3), have been employed to react with Co(ClO4)(2)center dot 6H(2)O, and three three-dimensional interpenetrating coordination polymers, {[Co(L-1)(2)](ClO4)(2)}(infinity) (1), {[Co(L-2)(3)](ClO4)(2)(CHCl3)(2)}(infinity) (2), and {[Co(L-3)(3)](ClO4)(2)}(infinity) (3), have been obtained under similar conditions. Compound 1 forms a 3-fold interpenetrating network with diamondoid topology ...

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