Temperature-dependent Polymorphism in Co(II) Coordination Polymers from 5-Nitroisophthalate and 1,3-Bis(4-pyridyl)propane |
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作者姓名: | XIANG Lei GUO Xiao-Fang LI Xin-Xiong HU Xue-Lei |
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作者单位: | [1]Key Laboratory of Green Chemical Process of Ministry ofEducation, Wuhan Institute of Technology, Wuhan 430073, China [2]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure o [2]['Matter, Chinese Academy of Sciences, Fuzhou 350002, China |
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基金项目: | This work was supported by the National Natural Science Foundation of China (206710751 and the Natural science Foundation of Hubei Province (No. 201 I CDA048) |
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摘 要: | The solvothermal reaction of 5-nitroisophthalic acid (H2nip), 1,3-bis(4-pyridyl)pro- pane (bpp) and Co(NO3)2·6H:O at 130 and 160 ℃ gave rise to two polymorphic complexes Co(bpp)(H20)(nip)], (1, 2). Complex I belongs to monoclinic, space group C2/c with a = 14.489(6), b = 18.242(8), c = 19.414(9) A, β = 123.09(3)°, V = 4299(3) A3, Z = 8, C21H19CoN3O7, Mr = 484.32, Dc= 1.497 g/cm3, F(000) = 1992,/l = 0.847 mm-1. In complexes I and 2, bpp connects Co(II) into different 1D chains which are bridged by nip to form similar two-fold interpenetrating 3D frameworks.
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关 键 词: | 间苯二甲酸 Co(Ⅱ) 吡啶基 配位聚合物 温度变化 硝基 多态性 丙烷 |
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