Two-Dimensional Hydrogen-Bonded Polymer from Nickel(II) Tetraaza Macrocyclic Complex and Succinate Ligand |
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Authors: | In-Taek?Lim Jang?Hun?Choi Email author" target="_blank">Ki-Young?ChoiEmail author |
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Institution: | (1) Department of Chemistry Education, Kongju National University, Kongju, 314-701, Korea; |
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Abstract: | Abstract The reaction of Ni(L)]Cl2·2H2O (L = 3,14-dimethyl-2,6,13,17-tetraazatricyclo14,4,01.18,07.12] docosane) with succinic acid (C4H6O4) yields a 2D hydrogen-bonded polymer with formula Ni(L)(C4H5O4)2] (1). This polymer complex has been characterized by X-ray crystallography, spectroscopy and cyclic voltammetry. The complex
has a center of symmetry. The crystal structure of 1 exhibits a distorted octahedral geometry about Ni atom with four nitrogen atoms of the macrocycle and two oxygen atoms of
the succinate ligand at the trans position. Compound 1 crystallizes in the monoclinic system C2/c with a = 14.8203(11), b = 12.3070(8), c = 17.4164(12) ?, β = 107.356(6)°, V = 3032.1(4) ?3, Z = 4. Electronic spectrum of 1 reveals a high-spin octahedral environment. Cyclic voltammetry of 1 undergoes two waves of a one-electron transfer corresponding to NiII/NiIII and NiII/NiI processes. |
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