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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Two-dimensional metal-organic frameworks (MOFs) constructed from heterotrinuclear coordination units and 4,4 '-biphenyldicarboxylate ligands
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Two-dimensional metal-organic frameworks (MOFs) constructed from heterotrinuclear coordination units and 4,4 '-biphenyldicarboxylate ligands

机译：由异三核配位单元和4,4'-联苯二羧酸酯配体构建的二维金属有机骨架（MOF）

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摘要

Three novel metal - organic frameworks ( MOFs) formulated as [ Zn2M(BPDC)(3)( DMF)(2)]center dot 4DMF ( M = Co-II 1, Ni-II 2 or Cd-II 3; BPDC = 4,4'- biphenyldicarboxylate; DMF = N, N'-dimethylformamide) have been prepared via solvothermal synthesis from mixtures of the corresponding transition metal salts and 4,4'- biphenyldicarboxylic acid ( H2BPDC). The framework structures are characterized by single-crystal X- ray diffraction analysis, IR and UV- vis diffuse reflectance spectroscopy, thermogravimetric analysis ( TGA), and X- ray powder diffraction ( XRPD). All three compounds possess essentially the same 2-D layered coordination framework consisting of linear heterotrinuclear secondary building units ( SBUs) connected by rigid bridging BPDC ligands. Crystal data: for 1 ( C60H66CoN6O18Zn2): monoclinic, space group P2(1/)n, M = 1348.86, a = 20.463(4), b = 14.819(3), c = 23.023(5) angstrom, beta = 111.75( 3)degrees, V = 6484( 2) angstrom(3), Z = 4, D-c = 1.382 Mg m(-3). For 2 ( C60H66N6NiO18Zn2): monoclinic, space group P2(1)/ n, M = 1348.64, a = 11.670( 2), b = 14.742( 3), c = 19.391( 4) angstrom, beta = 102.29(3)degrees, V =3259.5(11) angstrom(3), Z = 2, D-c = 1.374 Mg m(-3). For 3 ( C60H66CdN6O18Zn2): monoclinic, space group P2(1), M = 1402.33, a = 11.491(2), b = 14.837( 3), c = 19.386( 4) angstrom, beta = 101.53( 3)degrees, V = 3238.3( 11) angstrom(3), Z = 2, D-c = 1.438 Mg m(-3).
机译：三种新颖的金属-有机骨架（MOF）配制成[Zn2M（BPDC）（3）（DMF）（2）]中心点4DMF（M = Co-II 1，Ni-II 2或Cd-II 3; BPDC = 4通过溶剂热合成由相应的过渡金属盐和4，4′-联苯二羧酸（H 2 BPDC）的混合物制备了，4′-联苯二羧酸; DMF ＝ N，N′-二甲基甲酰胺。框架结构的特征在于单晶X射线衍射分析，IR和UV可见散射光谱，热重分析（TGA）和X射线粉末衍射（XRPD）。所有这三种化合物都具有基本相同的2-D层状配位框架，该结构由通过刚性桥接BPDC配体连接的线性异三核二级建筑单元（SBU）组成。晶体数据：对于1（C60H66CoN6O18Zn2）：单斜晶系，空间群P2（1 /）n，M = 1348.86，a = 20.463（4），b = 14.819（3），c = 23.023（5）埃，beta = 111.75（ 3）度，V = 6484（2）埃（3），Z = 4，Dc = 1.382 Mg m（-3）。对于2（C60H66N6NiO18Zn2）：单斜晶，空间群P2（1）/ n，M = 1348.64，a = 11.670（2），b = 14.742（3），c = 19.391（4）埃，beta = 102.29（3）度，V ＝ 3259.5（11）埃（3），Z ＝ 2，Dc ＝ 1.374Mg m（-3）。对于3（C60H66CdN6O18Zn2）：单斜晶系，空间群P2（1）/ n，M = 1402.33，a = 11.491（2），b = 14.837（3），c = 19.386（4）埃，beta = 101.53（3）度，V ＝ 3238.3（11）埃（3），Z ＝ 2，Dc ＝ 1.438Mg m（-3）。

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