论文部分内容阅读
A new luminescent Cd(Ⅱ) coordination polymer, [Cd(L)2(H2O)]n 1 (HL = xan-thene-9-carboxylic acid), was synthesized hydrothermally and characterized by satisfactory elemental analysis, FT-IR spectra and single-crystal X-ray diffraction. The crystal is of orthorhombic system, space group P212121 with a = 6.4548(4), b = 13.0876(12), c = 27.466(2), V = 2320.3(3)3, C28H20CdO7, Mr = 580.84, Z = 4, Dc = 1.663 g/cm3, F(000) = 1168, μ = 0.990 mm-1, Flack parameter = 0.00(2), the final R = 0.0296 and wR = 0.0691 for 5301 observed reflections (I > 2σ(I)). 1 features a one-dimensional (1D) carboxylate oxygen-bridged inorganic chain, which is further connected by intermolecular hydrogen bonds into a three-dimensional (3D) framework. Moreover, compound 1 exhibits strong photoluminescence in the solid state at room temperature.
A new luminescent Cd (II) coordination polymer, [Cd (L) 2 (H2O)] n 1 (HL = xan-thene-9- carboxylic acid), was synthesized hydrothermally and characterized by satisfactory elemental analysis, FT-IR spectra and The crystal is of orthorhombic system, space group P212121 with a = 6.4548 (4), b = 13.0876 (12), c = 27.466 2, V = 2320.3 (3) Flack parameter = 0.00 (2), the final R = 0.0296 and wR = 0.0691 for 5301 (2), C = 0.858 for C18H20CdO7, Mr = 580.84, Z = 4, Dc = 1.663 g / cm3, F (000) = 1168, (ref. I> 2σ (I)). 1 features a one-dimensional (1D) carboxylate oxygen-bridged inorganic chain, which is further connected by intermolecular hydrogen bonds into a three- dimensional (3D) framework. strong photoluminescence in the solid state at room temperature.