Syntheses, Crystal Structures, and Magnetic Properties of Two Cobalt Coordination Polymers Constructed From 1,3-Bis(2,4-dicarboxyphenyl) Benzene and Bis(imidazole) Linkers
作者:Xiutang Zhang、Liming Fan、Weiliu Fan、Xian Zhao
DOI:10.1002/zaac.201500183
日期:2015.8
Abstract. The 3D cobalt(II) coordination polymers [Co1.5(HDDB)(1,4-bib)1.5(H2O)]n (1), and [Co2(DDB)(1,3-bib)2(μ2-H2O)]·H2O}n (2) were assembled by mixed-ligand synthetic strategy [H4DDB = 1,3-bis(2,4-dicarboxyphenyl) benzene, 1,3-bib = 1,3-bis(1H-imidazol-4-yl)benzene, and 1,4-bib = 1,4-bis(1H-imidazol-4-yl)benzene]. Their structures were determined by single-crystal X-ray diffraction analyses and
摘要。3D 钴 (II) 配位聚合物 [Co1.5(HDDB)(1,4-bib)1.5(H2O)]n (1) 和 [Co2(DDB)(1,3-bib)2(μ2- H2O)]·H2O}n (2) 通过混合配体合成策略组装 [H4DDB = 1,3-双(2,4-二羧基苯基)苯, 1,3-bib = 1,3-双(1H-咪唑-4-基)苯,和 1,4-bib = 1,4-双(1H-咪唑-4-基)苯]。它们的结构通过单晶 X 射线衍射分析确定,并通过元素分析 (EA)、红外光谱、粉末 X 射线衍射 (PXRD) 和热重 (TG) 分析进一步表征。单次 X 射线衍射分析表明配合物 1 是一个有趣的 3D (3,3.6)-连通 (63)4(65·88·102) 网,配合物 2 是一种前所未有的双核 [Co2(COO)(μ2-H2O) )] 基于 SBU 的 3D (3,6)-连接 (3·6·7)(32·43·54·63·7·82)