以桥联配体5-[(蒽-9-亚甲基)-氨基]-间苯二甲酸和Mn(CH3COO)2·4H2O 为原料,通过溶剂热法成功合成了一个新型三维超分子结构的配位聚合物{[Mn2(H2O)4(CH3OH)(C2H5OH)(L)2]·(CH3OH)2·H2O}n(H2L=5-[(蒽-9-亚甲基)-氨基]-间苯二甲酸),并通过红外光谱、元素分析、X射线粉末衍射、单晶 X 射线衍射和热重分析,对配位聚合物的单晶结构进行了表征.该配位聚合物属于三斜晶系,空间群P-1,晶胞参数:a=9.6850(19) nm,b=14.278(3) nm,c=17.666(4) nm,α=87.15(3)°,β=89.99(3)°,γ=83.96(3)°,V=2426.3(8) nm3,Z=2.该晶体结构为一维配位链,通过链与链之间的π…π相互作用和氢键形成了三维超分子结构.此外,在室温条件下,固态荧光测试表明配体及其配位聚合物分别在456 nm (λex=417 nm)和506 nm (λex=402 nm)具有较强的荧光.
A novel coordination polymer, poly[[tetraaqua(methanol)(ethanol)bis(μ-5-[(anthracen-9-ylmethyl)-amino]-isophthalicate acid-κ4O1,O2:O1',O2')manganese(II)]bis(methanol)monohydrate],{[Mn2(H2O)4(CH3OH)(C2H5OH)(L)2] (CH3OH)2 H2O}n was synthesized with bivalent Mn ions.This coordination complex was structurally characterized by IR, elemental analysis, X-ray powder diffraction, single-crystal X-ray diffraction and thermogravimetric analysis.The coordination polymer belongs to the triclinic system, the space group: P-1.The unit cell parameters include: a=9.6850(19) nm, b=14.278(3) nm, c=17.666(4) nm, α=87.15(3)°, β=89.99(3)°, γ=83.96(3)°, V=2426.3(8) nm3, Z=2.It displays one-dimensional chain coordination network, and a 3D supramolecular networks formed by the π… π interactions and hydrogen bonds between the chains.Furthermore, solid-state fluorescence test showed that the ligand and its coordination polymer had strong fluorescence at 456 nm (λex=417 nm) and 506 nm (λex=402 nm) at room temperature.
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