A zinc（Ⅱ） coordination polymer [Zn2（2-mBIM）2（SUC）2]n （1, 2-mBIM = bis（2-methylimidazo-1-yl） methane, SUC = succinate anion） has been synthesized and characterized by X-ray diffraction. Complex 1 crystallize...A zinc（Ⅱ） coordination polymer [Zn2（2-mBIM）2（SUC）2]n （1, 2-mBIM = bis（2-methylimidazo-1-yl） methane, SUC = succinate anion） has been synthesized and characterized by X-ray diffraction. Complex 1 crystallizes in the triclinic space group P1 with a = 9.4871（8）, b = 12.9789（5）, c = 14.0230（5）, α = 90.474（1）, β = 90.3560（10）, γ = 109.691（1）°, V = 1529.94（15）3 , Z = 2, Dc = 1.553 mg/m3 , μ = 1.63 mm-1 , F（000） = 736, the final R = 0.0645 and wR = 0.0951 for 4067 observed reflections with I 〉 2σ（I）. Each Zn atom was coordinated by two individual 2-mBIM ligands in a cis-conformation and two monodentate coordinated succinate anions in a gauche conformation, resulting in the formation of a two-dimensional supramolecular network containing a cationic 16-membered macrometallacycle and a 28-membered macrometallacycle. The result also indicates that the conformation of the ligands has a strong influence on the structure of the supramolecular network.展开更多
基金supported by the National Natural Science Foundation of China (No. 21171053)the Science Foundation of HBDE (Z20102501)the Open Research Foundation in the State Key Laboratory of Coordination Chemistry
文摘A zinc（Ⅱ） coordination polymer [Zn2（2-mBIM）2（SUC）2]n （1, 2-mBIM = bis（2-methylimidazo-1-yl） methane, SUC = succinate anion） has been synthesized and characterized by X-ray diffraction. Complex 1 crystallizes in the triclinic space group P1 with a = 9.4871（8）, b = 12.9789（5）, c = 14.0230（5）, α = 90.474（1）, β = 90.3560（10）, γ = 109.691（1）°, V = 1529.94（15）3 , Z = 2, Dc = 1.553 mg/m3 , μ = 1.63 mm-1 , F（000） = 736, the final R = 0.0645 and wR = 0.0951 for 4067 observed reflections with I 〉 2σ（I）. Each Zn atom was coordinated by two individual 2-mBIM ligands in a cis-conformation and two monodentate coordinated succinate anions in a gauche conformation, resulting in the formation of a two-dimensional supramolecular network containing a cationic 16-membered macrometallacycle and a 28-membered macrometallacycle. The result also indicates that the conformation of the ligands has a strong influence on the structure of the supramolecular network.
