A novel copper（II） coordination polymer of {[Cu3L2（4,4＂-bipy）4]（CIO4）2＂20H20}, （1） was synthesized by the reaction of H2L （C6HsN（CH2COOH）2, phenyliminodiacetic acid）, CuSO4.5H20, NaCIO4.H20 and 4,4＂-bi...A novel copper（II） coordination polymer of {[Cu3L2（4,4＂-bipy）4]（CIO4）2＂20H20}, （1） was synthesized by the reaction of H2L （C6HsN（CH2COOH）2, phenyliminodiacetic acid）, CuSO4.5H20, NaCIO4.H20 and 4,4＂-bipy （4,4＂-bipyridine） in water/methanol, followed by slow evaporating at room temperature. The compound was characterized by elemental analysis （EA）, infrared spectroscopy （IR）, thermogravimetric analysis （TGA） and single-crystal/powder X-ray diffraction. The result of single-crystal X-ray diffraction analysis reveals that 1 crystallizes in the monoclinic crystal system with C2/c space group, a = 2.9974（4）, b = 1.7270（2）, c = 2.0007（3） nm, fl = 128.793（2）°, V= 8.0722（19） nm3, Z = 4, Dc = 1.472 g.cm-3,/a = 0.942 mm-1, F（000） = 3716, R= 0.0487 and wR = 0.1204 （I 〉 20（/））. The basic structural unit of 1 is a trinuclear cluster unit of [Cu3L2]2＋, which is constructed by two #2-L2- ligands bridging and chelating three Cu（Ⅱ） ions. These [Cu3L2]2＋ units are connected with each other by 4,4＂-bipy ligands to generate a 2D cation brickwall-like network of [Cu3L2（4,4＂-bipy）4]n2n＋. These adjacent 2D cation layers are further stacked in a staggered fashion via interlayer stacking interactions to form a 3D supramolecular structure with 1D open square channels, in which the C104- counter anions and lattice water molecules are filled. Furthermore, the magnetic property of 1 was also investigated.展开更多
基金supported by the National Natural Science Foundation of China(No.21071099)
文摘A novel copper（II） coordination polymer of {[Cu3L2（4,4＂-bipy）4]（CIO4）2＂20H20}, （1） was synthesized by the reaction of H2L （C6HsN（CH2COOH）2, phenyliminodiacetic acid）, CuSO4.5H20, NaCIO4.H20 and 4,4＂-bipy （4,4＂-bipyridine） in water/methanol, followed by slow evaporating at room temperature. The compound was characterized by elemental analysis （EA）, infrared spectroscopy （IR）, thermogravimetric analysis （TGA） and single-crystal/powder X-ray diffraction. The result of single-crystal X-ray diffraction analysis reveals that 1 crystallizes in the monoclinic crystal system with C2/c space group, a = 2.9974（4）, b = 1.7270（2）, c = 2.0007（3） nm, fl = 128.793（2）°, V= 8.0722（19） nm3, Z = 4, Dc = 1.472 g.cm-3,/a = 0.942 mm-1, F（000） = 3716, R= 0.0487 and wR = 0.1204 （I 〉 20（/））. The basic structural unit of 1 is a trinuclear cluster unit of [Cu3L2]2＋, which is constructed by two #2-L2- ligands bridging and chelating three Cu（Ⅱ） ions. These [Cu3L2]2＋ units are connected with each other by 4,4＂-bipy ligands to generate a 2D cation brickwall-like network of [Cu3L2（4,4＂-bipy）4]n2n＋. These adjacent 2D cation layers are further stacked in a staggered fashion via interlayer stacking interactions to form a 3D supramolecular structure with 1D open square channels, in which the C104- counter anions and lattice water molecules are filled. Furthermore, the magnetic property of 1 was also investigated.
