Pseudo-polyrotaxane and beta-sheet layer-based three-dimensional coordination polymers constructed with silver salts and flexible pyridyl-type ligands |
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| Authors: | Tong Ming-Liang Wu Yin-Miao Ru Jie Chen Xiao-Ming Chang Ho-Chol Kitagawa Susumu |
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| Institution: | State Key Laboratory of Optoelectronic Materials & Technologies, School of Chemistry & Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China. cestml@zsu.edu.cn |
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| Abstract: | A fascinating 3D pseudo-polyrotaxane architecture with 1D polymeric Ag(bpp)](n) chains penetrating 2D (6,3) Ag(2)(bpp)(2)(ox)](n) sheets and a 3D coordination network constructed with 2D infinite Ag(ppa)](n) beta-sheetlike layers pillared by ox ligands (bpp = 1,3-bis(4-pyridyl)propane; ppa = N-(4-pyridinylmethyl)-4-pyridinecarboxamide; ox = oxalate) have been prepared by utilizing flexible pyridyl-type ligands and have been crystallographically characterized. Crystal data for 1: monoclinic, space group C2/c, a = 7.619(2) A, b = 19.781(4) A, c = 26.799(5) A, beta = 94.720(10) degrees, U = 4025.2(15) A(3), and Z = 4. Crystal data for 2: monoclinic, space group C2/c, a = 28.947(8) A, b = 8.617(3) A, c = 16.307(6) A, beta =121.07(1) degrees, U = 3484(2) A(3), and Z = 4. |
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