Abstract
The reaction of AgNO3, with combinations of 4,4′-bipyridine (bpy), 1,2-di(4-pyridyl)ethylene (dpe), hexanedioic acid (HA), pyridine-3,5-dicarboxylic acid (pdc) and 3,3′4,4′-biphenyltetracarboxylic acid (bptc) in aqueous alcohol at room temperature produces block-like crystals of [Ag2(bpy)2](HA)2·6H2O, [Ag2(bpy)2(H2O)](pdc)·3H2O, [Ag4(bpy)4](bptc)·14H2O and [Ag2(dpe)2(H2O)2](HA)·6H2O. All four compounds consist of parallel 1D infinite bpy/dpe-silver cationic chains, interspersed with organic anions that play the role of charge compensation in the crystal structure. The lattice water molecules are situated among the framework of the crystal structure and stabilized by rich hydrogen-bonding interactions, which may play a role in the orientation of the organic anions in the crystal packing.
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