Abstract
AbstractTwo new CuII coordination polymers, namely [Cu2(BDC)2(L)4(H2O)2]·14H2O (1) and [Cu1.5(BTC)(L)1.5(H2O)0.5]·2H2O (2), where L = 1,1′‐(1,4‐butanediyl)bis(imidazole), BDC = 1,4‐benzenedicarboxylate, and BTC = 1,3,5‐benzenetricarboxylate, have been synthesized at room temperature. Complex 1 exhibits an unusual, square‐planar, four‐connected 2D 264 net, which has been predicated by Wells. Interestingly, three types of water clusters, namely (H2O)6, (H2O)8, and (H2O)10, are observed in the hydrogen‐bonded layers constructed by the BDC ligands and water molecules. The BTC anion in compound 2 is coordinated to the CuII cation as tetradentate ligand to form a (66)2(426484)2(64810) net containing three kinds of nonequivalent points. Thermogravimetric analyses (TGA) and IR spectra for 1 and 2 are also discussed in detail. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
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