一维链状铜配位聚合物[Cu(bpb)_(0.5)(CH_3COO)_2]_n的合成与晶体结构

Synthesis and Crystal Structure of 1D Copper Coordination Polymer [Cu(bpb)_(0.5)(CH_3COO)_2]_n

配位聚合物是由两种或两种以上的分子依靠配位键组装成的复杂的、有组织的分子聚集体,由于其具有明确有序的一维或多维微观结构以及优异独特的宏观特性,在催化、光学、材料、信息存储等领域具有广泛潜在的应用前景。近年来，有机多吡啶分子建筑块与金属构筑的配位聚合物受到了化学家们的青睐，且研究主要集中在刚性多吡啶配体（如4，4′-bipy）。

A coordination complex of [Cu （bpb）0.5 （CH3COO）2], （bpb = 1,4-bis （pyridine-3-aminomethyl）benzene） has been synthesized and characterized by elemental analysis, IR spectra, TG and X-ray single crystal diffraction. The title complex crystallizes in triclinic with space group P1, a=0,771 98（15） nm, b=0.827 62（17） nm, c=1.116 0（2） nm, a=96.71（3）°, β=90.03（3）°, γ=105,39（3）°, and V=0,682 4（3） nm^3, Z=2, R=0.042 4, wR=0.091 1. The title complex is composed of dicopper tetracarboxylate units, Copper（Ⅱ） atom asumes a square-pyramidal coordination geometry formed with one pyridyl N atom from bpb and four O atoms from four bridging acetate anions. Two adjacent dicopper tetracarboxylate units are linked into a 1D chain by the bpb ligands, which were further connected by inter-chain hydrogen bonds to form a 2D network structure.