Dipyridyl-functionalized salan ligand （H2L） was synthesized to construct a mono- nuclear Cu（salan） complex, [CuL（CHaCN）2（H2O）6] （1）, through diffusion method. 1 was characterized by IR, microanalysis, TGA an...Dipyridyl-functionalized salan ligand （H2L） was synthesized to construct a mono- nuclear Cu（salan） complex, [CuL（CHaCN）2（H2O）6] （1）, through diffusion method. 1 was characterized by IR, microanalysis, TGA and single-crystal X-ray crystallography. It crystallizes in orthorhombic space group P21212 with a = 17.6640（16）, b = 18.6750（16）, c = 16.0625（14） A, V = 5298.6（8） A3, Z = 4, Mr = 994.70, Dc = 1.247 g/cm3, F（000） = 2116,μ = 0.469 mm^-1, GOOF = 1.073, the final R = 0.0499 and wR = 0.1395 for 11816 observed reflections with 1 〉 2or（/）. In the title compound, the basic building unit consists of two mononuclear Cu（salan） which orient in opposite directions and are locked together via weak intermolecular C-H...π interactions. The adjacent building units are further directed into a 2D supramolecular network structure via H bonds, between which reside the guest acetonitrile and water molecules. In addition, the presence of exposed NH-functionalities and coordination unsaturated Cu centers in 1 provide a great chance to recognize tartaric acids through CD titration in solution.展开更多
基金supported by NSFC-21025103 and 20971085"973" Programs (2007CB209701 and 2009CB930403)+1 种基金Shanghai Science and Technology Committee (10DJ1400100)the Key Project of State Education Ministry
文摘Dipyridyl-functionalized salan ligand （H2L） was synthesized to construct a mono- nuclear Cu（salan） complex, [CuL（CHaCN）2（H2O）6] （1）, through diffusion method. 1 was characterized by IR, microanalysis, TGA and single-crystal X-ray crystallography. It crystallizes in orthorhombic space group P21212 with a = 17.6640（16）, b = 18.6750（16）, c = 16.0625（14） A, V = 5298.6（8） A3, Z = 4, Mr = 994.70, Dc = 1.247 g/cm3, F（000） = 2116,μ = 0.469 mm^-1, GOOF = 1.073, the final R = 0.0499 and wR = 0.1395 for 11816 observed reflections with 1 〉 2or（/）. In the title compound, the basic building unit consists of two mononuclear Cu（salan） which orient in opposite directions and are locked together via weak intermolecular C-H...π interactions. The adjacent building units are further directed into a 2D supramolecular network structure via H bonds, between which reside the guest acetonitrile and water molecules. In addition, the presence of exposed NH-functionalities and coordination unsaturated Cu centers in 1 provide a great chance to recognize tartaric acids through CD titration in solution.
