1D Supramolecules Self-Assembled by Nickel(II) Macrocycles with Carboxylate Ligands |
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| Authors: | Jin Suk Kwag Alan J Lough Ju Chang Kim |
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| Institution: | (1) Department of Chemistry, Pukyong National University, Busan, 608-737, Korea;(2) Department of Chemistry, University of Toronto, Toronto, ON, M5S 3H6, Canada; |
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| Abstract: | Abstract Three new macrocyclic nickel(II) supramolecules, {Ni(L1)(Hmal)2]}
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(1), {Ni(L1)(Hdipic)2]·(H2O)2·DMF}
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(2) and {Ni(L1)(Hisoph)2]·2DMF}
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(3) (L = 3,14-dimethyl-2,6,13,17-tetraazatricyclo 14,4,01.18,07.12]docosane, mal = maleate, dipic = 2,6-pyridinedicarboxylate, isoph = isophthalate), have been synthesized and characterized
by analytical, spectroscopic and X-ray diffraction methods. The complexes 1–3 show that the central nickel(II) ions are coordinated axially by two monodentate carboxylate ligands, respectively. The structures
of 1–3 extend their mononuclear structures to form 1D supramolecules through hydrogen bonds. In 3, each 1D chain interacts together to form a 2D layer through hydrogen bonds between the Hisoph ligands. |
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