catena‐Poly[bis[(2,2‐bipyridine‐κ2N,N′)copper(II)]‐μ4‐1,2,4,5‐benzenetetracarboxylato‐κ4O1:O2:O3:O4] |
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Authors: | Hong‐Ping Xiao Xin‐Hua Li Ji‐Xin Yuan Mao‐Lin Hu |
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Abstract: | In the title complex, [Cu2(C10H2O8)(C10H8N2)2]n, the CuII cation has a four‐coordinated environment, completed by two carboxyl O atoms belonging to two 1,2,4,5‐benzenetetracarboxylate anions (TCB4−) and two N atoms from one 2,2′‐bipyridine (2,2′‐bipy) ligand, forming a distorted square‐planar geometry. The [Cu(2,2′‐bipy)]2+ moieties are bridged by TCB4− anions, which lie about inversion centres, forming an infinite one‐dimensional coordination polymer with a double‐chain structure along the a axis. A two‐dimensional network structure is formed via a face‐to‐face π–π interaction between the 2,2′‐bipy rings belonging to two adjacent double chains, at a distance of approximately 3.56 Å. |
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