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樟脑酸根及双咪唑基配体构筑的镉(Ⅱ)配位聚合物的合成、晶体结构及荧光性质(英文)

Synthesis, Crystal Structure and Fluorescent Properties of a Cadmium (Ⅱ) Coordination Polymer Constructed from Camphor Acid and 1,3,5-Tris(imidazol-1-ylmethyl)-2,4,6-trimethylbenzene
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摘要 以硝酸镉,樟脑酸(H2CAM)和1,3,5-三(1-咪唑基-亚甲基)-2,4,6-三甲基苯(titmb)为原料,采用水热合成的方法得到了一个三维配位聚合物{[Cd2(titmb)(CAM)2]·2H2O}n。通过元素分析、红外光谱以及X-射线单晶洐射对其进行了表征。该晶体属三斜晶系,P1空间群。Cd(Ⅱ)离子通过CAM配体桥联形成一维链状结构,链与链再通过titmb配体连接成新型三维(4.64.8)2(42.64.89)(62.8)2拓扑的结构。室温下该配合物表现出较强的荧光发射。 A new three-dimensional coordination polymer of {[Cd2 (titmb) (CAM)2] -2H20}, (1) (H2CAM =camphor acid, and titmb=l,3,5-tris (imidazol-l-ylmethyl)-2,4,6-trimethylbenzene) has been prepared and characterized by elemental analysis, IR spectroscopy, TGA and single-crystal X-ray diffraction. The crystal is of monoclinic, space group P1 with a=1.238 25(15) nm, b=l.301 28(16) nm, c=1.537 29(19) nm, α=91.351 (2)°, β=94.864 (3)°, γ= 98.730 (2)°, V=2.437 9 (5) nm3, Dc=1.386 g.cm-3, Z=2, F (000)=1 040, Goof=l.027, R1=0.054 5, wR2=0.121 0. Complex 1 displays an unusual three-dimensional (3, 4, 6)-connected network with (4.64.8)2 (42.64.89) (62.8)2 topology. Moreover, their luminescent properties have been investigated in the solid state. CCDC: 834854.
作者 刘光祥
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2013年第10期2251-2256,共6页 Chinese Journal of Inorganic Chemistry
基金 国家自然科学基金(No.21271106) 教育部科学技术重点项目(No.210102)资助项目
关键词 镉配合物 水热合成 晶体结构 荧光性质 cadmium(Ⅱ) complex hydrothermal synthesis crystal structure luminescence
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