Hydrothermal synthesis has afforded a pair of divalent copper acetate coordination polymers containing either 4,4Ј-dipyridylamine (dpa) or 4-pyridylisonicotinamide (4-pina), both of which hydrogen-bonding capable central functional groups. X-ray crystallography revealed that both exhibit a 1D chain dimensionality. Use of the kinked tethering ligand dpa produced [Cu(OAc) 2 (dpa)] n (1), which possesses a simple chain based on dpa
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