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首页> 外文期刊>Journal of chemical crystallography >Synthesis, Structure and Characterization of Two 1D Chain-like Cadmium Terephthalate Complexes: [Cd(tp)(H2O)(3)] center dot 4H(2)O and [Ph4P][Cd(tp)(0.5)Cl-2] center dot H2O
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Synthesis, Structure and Characterization of Two 1D Chain-like Cadmium Terephthalate Complexes: [Cd(tp)(H2O)(3)] center dot 4H(2)O and [Ph4P][Cd(tp)(0.5)Cl-2] center dot H2O

机译:两种一维链状对苯二甲酸镉镉配合物的合成,结构和表征:[Cd(tp)(H2O)(3)]中心点4H(2)O和[Ph4P] [Cd(tp)(0.5)Cl-2]中心点H2O

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摘要

Two new compounds, [Cd(tp)(H2O)(3)] center dot 4H(2)O (1) and [Ph4P][Cd (tp)(0.5)Cl-2] center dot H2O (2) (tp = terephthalate, [Ph4P] = tetraphenylphosphonium), are metal-poly-carboxylate coordination polymers prepared by similar hydrothermal synthesis techniques. Both compounds crystallize in the 1D chain-like architectures. 1 (C8H18 CdO11) is orthorhombic Pcca, Z = 4 (a = 7.3018(1) angstrom, b = 9.9975(3) angstrom, c = 19.9695(5) angstrom, V = 1457.77(6) angstrom(3)). 2 (C28H24CdCl2O3P) is triclinic P-1, Z = 2 (a = 9.5028(4)angstrom, b = 12.3130(5)angstrom, c = 12.7343(6)angstrom, alpha = 68.380(1)degrees, beta = 73.723(1)degrees, gamma = 89.624(1)degrees, V = 1321.8(1)angstrom(3)). Transition metal cadmium centers bridged by rigid linear tp ligands give rise to a 1D infinite zigzag chain polymer for 1 and a simple 1D infinite stepped chain polymer for 2.1 presents an interesting plywood-like packing network while 2 shows a simple parallel rod-like stacking network. An intense fluorescent emission at 412 nm (lambda(exc) = 338 nm) for 1 in the solid state at room temperature is observed.
机译:两种新化合物[Cd(tp)(H2O)(3)]中心点H2O(2)(t)和[Ph4P] [Cd(tp)(0.5)Cl-2]中心点H2O(2)(tp =对苯二甲酸酯,[Ph 4 P] =四苯基phosph,是通过类似的水热合成技术制备的金属-聚羧酸盐配位聚合物。两种化合物均以一维链状结构结晶。 1(C8H18 CdO11)是正交晶体Pcca,Z = 4(a = 7.3018(1)埃,b = 9.9975(3)埃,c = 19.9695(5)埃,V = 1457.77(6)埃(3))。 2(C28H24CdCl2O3P)是三斜晶P-1,Z = 2(a = 9.5028(4)埃,b = 12.3130(5)埃,c = 12.7343(6)埃,alpha = 68.380(1)度,beta = 73.723( 1)度,伽玛= 89.624(1)度,V = 1321.8(1)埃(3))。刚性线性tp配体桥接的过渡金属镉中心产生1的1D无限之字形链聚合物,而2.1的简单1D无限阶梯链聚合物表现出有趣的胶合板状堆积网络,而2则显示出简单的平行杆状堆积网络。在室温下,对于固态的1,在412 nm(λ(exc)= 338 nm)处观察到强烈的荧光发射。

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