Weihai Zhang, Yaoyu Wang, E. K. Lermontova
Jan 6, 2010
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Influential Citations
83
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Quality indicators
Journal
Crystal Growth & Design
Abstract
A systematic investigation of the pH influence on the interaction between 1,3-adamantanediacetic acid (H2ADA), 1,3-bis(4-pyridyl)propane (bpp)/4,4′-dipyridine (4,4′-bipy), and cobalt nitrate under hydrothermal conditions has resulted in a series of coordination polymers with different composition and dimensionality, namely [Co(HADA)2(bpp)]n (1), {[Co(ADA)(bpp)(CH3OH)]·H2O}n (2), [Co2(ADA)2(bpp)]n (3), [Co(HADA)2(4,4′-bipy)(H2O)2]n (4), and [Co(ADA)(4,4′-bipy)0.5]n (5). These neutral polymeric complexes exhibit structural and dimensional diversity due to various coordination modes of the flexible H2ADA ligand. X-ray structural analysis reveals that 1 and 4 are one-dimensional (1-D) chains. The chain of complex 1 is directed by bpp, in which HADA located at both sides of the chain. Compared with the case of 1, the 1-D linear chain is composed of 4,4′-bipy and Co(II) ions in 4. Complexes 2, 3, and 5 show different 2-D networks. In 2, the final structure is formed via the linkage of Co-bpp chains by ADA. Comp...