一维梯子状配位聚合物[Na3Er(2，6-PDA)3]·11.5H2O的合成与晶体结构

A novel 1D Ladder-like coordination polymer [Na₃Er(2，6-PDA)₃]·11.5H₂O (2,6-H₂PDA is pyridine-2,6-dicarboxylic acid) has been synthesized and the crystal structure was determined by X-ray diffraction. The crystal structure of the complex belongs to Monoclinic system with space group P2₁/c, a=0.969 7(3) nm, b=1.914 6(6) nm, c=1.8031(6) nm, β=91.524(5)°, V=3.346 6(18) mm³, Z=4, D_c=1.863g·cm^-3, μ=2.645 mm^-1. The coordination geometry configuration of Er³⁺ center is tricapped trigonal prism. The structures of the title compound exhibit a novel 1D Ladder-like chain.     

一维链状配位聚合物[Cu3(TFSSB)2·(H2O)4·4H2O]n的合成和晶体结构

The title complex [Cu₃(TFSSB)₂·(H₂O)₄·4H₂O]_n (TFSSB=taurine 3-formylsalicylic schiff base) was synthesized by TFSSB and copper(Ⅱ) acetate monohydrate in ethanol solution and the crystal structure was determined by X-ray diffraction method. The crystal belongs to monoclinic system, space group P2₁ / n，with cell parameters: a=0.927 9(6) nm, b=1.173 0(2) nm, c=1.471(2) nm, β=106.96(2)°, and V=1.531(2) nm³, Z=2, D_c=1.890 g·cm^-3, μ=2.291 mm^-1, F(000)=882, R₁=0.025 9, wR₂=0.065 9. The Cu1 is five-coordinate, the Cu2 is four-coordinate. CCDC: 253298.     

一维配位聚合物[Cu(2-pac)2·2H2O]n的合成与结构

近年来,配位聚合物由于在光学、电学、磁学、催化、分离及吸附等方面具有潜在的功能性,处于化学、材料、生物、物理等许多学科的交叉点,成为当前最活跃的前沿研究领域之一[1～8],因此进一步合成具有特定结构和功能的配位聚合物具有非常重要的意义和价值[9～12].     

二维配位聚合物[K2(5-nbdc)2Cd(Ⅱ)·imH·H2O]∞的合成和晶体结构(英)

The crystal structure of the title complex, [K₂(5-nbdc)₂Cd(Ⅱ)·imH·H₂O]_∞ (5-nbdc=5-nitro-1,3-benzenedicarbonate, imH=imidazole) has been determined by X-ray diffraction analysis. The crystal data are: tetragonal, space group P4₁, M_r=694.93 for CdC₁₉H₁₂N₄O₁₃K₂, a=1.018 6(10) nm, b=1.018 6(10) nm, c=2.436 7(5) nm; Z=4, V=2.528 2(6) nm³, F(000)=1 376, D_c=1.826 Mg·m^-3, μ=1.267 mm^-1. The title polymeric complex exhibits a two-dimensional framework, in which adjacent Cd(Ⅱ) ions are bridged by μ-O₄-5-nitro-1,3-benzenedicarbonate groups forming one-dimensional chains that are further linked by μ-O₃-5-nitro-1,3-benzenedicarbonate groups into two-dimensional anion rectangle sheets with large 32-membered rings. The strong π-π stacks of the benzene rings link these adjacent sheets into a three-dimensional van der Waals network. CCDC: 245527.     

一维链状铜配位聚合物[Cu(m-BDOA)(bipy)·H2O]n的合成与晶体结构

A novel coordination polymer, [Cu(m-BDOA)(bipy)·H₂O]_n (m-BDOA^2-=benzene-1,3-dioxyacetate), was synthesized and characterized by elemental analysis, IR spectra, X-ray single crystal structure analysis. Crystallographic data are as follows: orthorhombic, space group Pna2₁, a=1.606 9(3) nm, b=1.685 9(3) nm, c=0.699 7(1) nm, V=1.8955(7) nm³, Z=4, D_c=1.619 g·cm^-3, μ=1.200 mm^-1, F(000)=948，R=0.038 1, wR=0.038 6. The copper atom is five-coordinated involving two oxygen atoms of different m-BDOA^2- ligand, two nitrogen atoms of 2,2′-bipy ligand and one coordinated water, there is a distorted square pyramidal environment. Two copper atoms are bridged by m-BDOA^2- ligand, forming a one-dimensional chain along a axis. The adjacent distance of Cu…Cu atoms is 0.877 3nm. The crystal network was formed by the intermolecular hydrogen bond and π-packing interactions.     

配位聚合物[Mn(4，4′-bpy)1.5(H2O)3](ClO4)·(4，4′-bpy)(L)·H2O的水热合成和晶体结构

The title compound, [Mn(4,4′-bpy)_1.5(H₂O)₃](ClO₄)·(4,4′-bpy)(L)·H₂O(1), where L=2,4,6-trimethylbenzoic acid, was synthesized and its crystal structure was determined by X-ray diffraction analysis. The crystal is of triclinic, space group P1 with a=2.929 9(6) nm, b=1.036 4(2) nm, c=8.222 0(1) nm, α=105.300(2)°, β=97.495(2)°, γ=91.118(2)°, V=1.884 0(4) nm³, Z=2, M_r=780.10, D_c=1.375 g·cm^-3, μ=0.483 mm^-1, F(000)=812, R=0.055 4, wR=0.135 2. The Mn atoms are octahedrally coordinated by three N atoms of three 4,4′-bipyridine ligands and three O atoms of water. The complex shows a one-dimensional chain structure bridged by water and 4,4′-bipyridine molecules. CCDC: 615707.     

配合物[Mn(phendione)(PDC)(H2O)2]·2H2O的合成与晶体结构

The title compound [Mn(phendione)(PDC)(H₂O)₂]·2H₂O (H₂PDC=pyridine-2，6-dicarboxylic acid) has been prepared in aqueous solution and characterized by single X-ray diffraction structure determination， elemental analysis， IR spectroscopy， and thermal analyses. The compound crystallizes in Monoclinic system， space group C2/c， a=1.017 51(11) nm， b=1.483 25(11) nm， c=1.461 21(13) nm， β=109.86(10)°， V=2.074 1(3) nm³， Z=4， F(000)=1 028， μ=0.701 mm^-1， D_c=1.609 g·cm^-3， R₁=0.028 9， wR₂=0.078 8 [I>2σ(I)]. Crystal structure reveals that complex consists of one-dimensional chain framework bridged by hydrogen bonds that formed by uncoordinated water and oxygen atom of carboxyl group in PDC^2-. Furthermore， the complexes form a three-dimensional super-molecular structure through hydrogen bonds. CCDC: 648570.     

稀土配位聚合物[M(tddc)(NO3)(H2O)4]·2H2O(M=Eu，Dy)的合成、结构和性质

本文用水热法合成了2个稀土配位聚合物[M(tddc)(NO₃)(H₂O)₄]·2H₂O[M=Eu (1),M=Dy (2)],并对它们进行了元素分析、红外光谱、热重等分析,研究了它们的荧光性质,并用X-射线单晶衍射测定了配合物的单晶结构。两者的晶系都属于三斜晶系,P1空间群。荧光实验表明配合物1在常温下具有很强的荧光。     

三维稀土配位聚合物[Ce2(H2btc)(btc)(H2O)2]n的水热合成与晶体结构

含有稀土元素的无机一有机配位聚合物因在光、电、磁及催化等方面具有潜在的应用价值而引起人们的关注．芳香多羧基有机配体在合成配位聚合物和多维超分子研究领域中扮演着重要角色．1，2，4，5-均苯四甲酸(H4btc)由于具有独特的配位能力(btc^4-最多可作为八齿配体)和空间特性，     

一维链状镍配位聚合物{[Ni(DNBC)2(Im)(H2O)]·0.25H2O}n的合成、晶体结构及热学性质研究

在水和乙醇混合溶液中合成了配合物{[Ni(DNBC)2(Im)(H2O)]·0.25H2O}n(DNBC=3,5-二硝基苯甲酸,Im=咪唑),并进行了元素分析、红外光谱、热重分析(TG)对其进行了表征,用单晶X-射线衍射测定了配合物的晶体结构。结果表明此配合物属正交晶系,空间群为Pbca,a=1.5022(6)nm,b=1.5146(6)nm,c=1.9269(7)nm,V=4.384(3)nm3,Z=8,F(000)=2320。配合物中金属镍原子采用五配位,分别与4个氧原子和1个咪唑氮原子配位,形成1个扭曲的四方锥体。     

桥联双核配合物[(DPC)2Co2(H2O)5]·2H2O的合成与晶体结构

The new complex formulated [(DPC)₂Co₂(H₂O)₅]·2H₂O (HDPC^- is pyridine-2,6-dicarboxylate) has been synthesized and the crystal structure was determined by X-ray diffraction. The crystal structure of the complex belongs to monoclinic system with space group P2₁/c, a=0.83850(10) nm, b=2.7386(4) nm, c=0.9610(2) nm, β=98.280 (10) °, V=2.1838(6) nm³, Z=4, D_c=1.746 g·cm^-3, μ=1.597 mm^-1. In the crystal the two Co²⁺ are in distorted octahedrons. The part of [Co(DPC)₂] possess an approximate D_2d symmetry, while the part of [OCo₍₂₎(OH₂)₅] has an approximate C₂ symmetry.     

三维化合物[Ni2(BDC)2(m-bix)(H2O)3·3H2O]n的合成、结构和性质

水热条件下,合成了一个三维配位聚合物[Ni₂(BDC)₂(m-bix)(H₂O)₃·3H₂O]_n(1)[BDC=对苯二甲酸,m-bix=1,3-双(咪唑基-1-甲基)-苯],并通过红外,热重和X-射线单晶衍射进行了表征。X射线衍射结果表明化合物含有类似配位环境的金属2个Ni²⁺离子,2个BDC^2-配体,1个m-bix分子,3个配位水分子和3个游离的溶剂水分子。两个Ni²⁺离子分别采用八面体构型,通过桥联水分子形成双核单元,然后通过全部脱质子的BDC形成三维孔洞结构,m-bix配体通过连接两类双核金属原子形成三维框架,游离水分子存在于框架之中。有趣的是,化合物的结构是单一六节点,具有自穿插特征。而且对化合物的红外和热重性质进行了表征。     

氢键构筑的新颖微孔配位聚合物[Co2(Hisor)2·(4,4′-bpy)2(H2O)2]·4,4′-bpy的合成与结构

A novel microporous coordination polymer [Co2(Hisor)2(4,4′-bpy)2(H2O)2]·4,4′-bpy was synthesized by hydrothermal reaction and characterized by single crystal X-ray diffraction, elemental analysis and IR spectrum. The crystal belongs to the monoclinic system and space group is P2/n with a=1.040 6(3) nm, b=1.138 8(4) nm, c=1.854 7(6) nm, β=102.991(6)°, V= 2.141 6(12) nm3, Z=2, Dc=1.443 Mg/m3, Mr=930.62, μ=0.842 mm-1, F(000)=952, GOF= 1.072, R=0.065 4, wR=0.146 8[I>2σ(I)]. There are two crystallographically independent Co(Ⅱ) ions in the title complex. The Hisor2- and 4,4′-bpy link the metal ions into 2D grids with dimension of 0.522 3 nm×1.138 8 nm. There are O—H…O and N—H…O hydrogen bonds in the complex resulting in the formation of 3D network with 1D channels, in which are free 4,4′-bpy molecules.     

一维链状锌配位聚合物[Zn(4，4′-bipy)·(o-ABA)2·(H2O)2]n的合成、晶体结构及热稳定性

锌是重要的生命元素,在生物体内锌以多种形式参与代谢过程,包括糖类、脂类、蛋白质与核酸的合成与降解,对生命体系有着特殊的生物活性和催化作用[1].模拟合成以锌、铜等为中心离子的配位聚合物并对其结构进行研究,将为人们认识生命体系中与这些金属离子相关的生命现象提供重要的信息[2,3].4,4′-联吡啶是一种线状双基刚性配体,无支链,空间位阻少,有较好的桥联作用,它与金属离子在自组装过程中能形成各种一维,二维,及三维空间结构的配位聚合物[4～7].     

配位聚合物[NaMn(pic)3]n的水热合成和晶体结构

A Coordination polymer [NaMn(pic)₃]_n (1) (picH=picolinic acid) has been synthesized by hydrothermal synthesis and structurally characterized by single crystal structure determination. 1 crystallizes in the orthorhombic space group Pbca, a=1.251 9(4) nm, b=1.715 8(8) nm, c=1.754 7(7) nm, V=3.769(6) nm³, M_r=444.24, D_c=1.566, F(000)=1 800, R₁=0.024 8 and wR₂=0.075 1 for I>2σ(I). According to the crystal structure, each Mn(Ⅱ) ion of 1 is six-coordinated with three oxygen and three nitrogen atoms from three pic anions to form a distorted dodecahedron. Each Na⁺ ion of 1 is penta-coordinated with two oxygen atoms from a pic anion and three oxygen atoms from three pic anions of diffrent unit to form a distorted tetragnal pyramid. The three-dimensional coordination polymer 1 is connected through Na⁺ ion. CCDC: 683029.     

配位聚合物{[Co(4,4′-bpy)(H2O)4](Fum)·4H2O}n的合成和晶体结构

The complex {[Co(4,4′-bpy)(H₂O)₄](Fum)·4H₂O}_n(where 4,4′-bpy = 4,4′-bipyridine and Fum = fumarate) was synthesized and characterized by X-ray diffraction. The complex consists of one-dimensional chains containing cobalt(Ⅱ) ions bridged by 4,4′-bpy molecules. The six-coordination of Co²⁺ is achieved by means of four water molecules. The fumarate is not coordinated to cobalt ion while it forms hydrogen bonds with coordinated and non-coordinated water molecules and extends the structure into three-dimensional hydrogen bonding network. CCDC: 190488.     

一维交替链状稀土配位聚合物[Er(dpa)(pya)(H2O)]n和[Nd2(pya)6(H2O)4]n的水热合成及结构表征

在水热条件下，稀土氧化物与2，2′-联苯二甲酸及异烟酸反应得到了两个新颖的一维交替链状配位聚合物[Er(dpa)(pya)(H₂O)]_n和[Nd₂(pya)₆(H₂O)₄]_n(H₂dpa=2，2′-联苯二甲酸；Hpya=异烟酸)。测定了它们的晶体结构，并进行了红外光谱和元素分析等 性质的表征。晶体结构测定表明这两个化合物同属单斜晶系，并具有相同的空间群P2₁/n， 晶体学参数分别为配合物1：a= 0.8830(3) nm，b=1.058 5(3) nm，c=2.089 1(6) nm，β=98.429(4)°，D_c=1.883g·cm^-3， V=1.931 4(10) nm³，Z=4； 配合物2：a=0.968 9(4) nm，b=1.978 3(9) nm，c=1.164 2(6) nm，β=112.106(7)°，D_c=1.756 g·cm^-3，V=2.067 5(17) nm³，Z=4。     

一维链状配位聚合物[Ag(bix)(NO3)(H2O)]n的合成和晶体结构

A one-dimensional (1D) Z conformation coordination polymer, [Ag(bix)(NO₃)(H₂O)]_n was obtained by the reaction between AgNO₃ and flexible ligand of 1,4-bis(imidazol-1-ylmethyl)-benzene under hydrothermal conditions. It crystallizes in triclinic with space group P1. The crystallographic data of the compound are: a=0.777 1(2) nm, b=1.043 4(3) nm, c=1.082 7(3) nm, α=71.403(4)°, β=80.946(5)°, γ=88.794(4)°. The 1D chainlike structure was connected by π-π interaction between phenyl rings, leading to a 2D layered network. The lattice water and the NO₃^- anions were involved between the layers, therefore the 2D layered structure further extended to an intricate 3D framework. CCDC: 257100.     

一维链状配位聚合物[M(H2bpb)(H2O)4](SO4)2·6H2O[M=Zn(Ⅱ)，Cu(Ⅱ)]的合成及晶体结构表征

设计并合成了一个含吡啶基团的柔性配体：N，N′-Bis(3-pyridylmethyl)-1，4-benzenedimethylamine(bpb)。通过bpb与硫酸锌及硫酸铜反应得到了两个新型具有一维链状结构的配位聚合物：[M(H₂bpb)(H₂O)₄](SO₄)₂·6H₂O[M=Zn(Ⅱ) 1，Cu(Ⅱ) 2]。X-射线晶体结构测定表明，这两个     

一维链状镉配位聚合物[Cd(phen)(2，4，6-TMBA)2(H2O)]n的水热合成、晶体结构及热稳定性

在甲醇和水的混合溶剂中用2，4，6-三甲基苯甲酸(2，4，6-TMBA)、邻菲咯啉(phen)、高氯酸镉为原料采用水热法合成了一维链状配位聚合物Cd(phen)(2，4，6-DMBA)₂(H₂O)。该配合物晶体属四方晶系，空间群I4₁。晶体中镉原子与1个邻菲咯啉的2个N原子、2个2，4，6-三甲基苯甲酸酸根中的3个羧基氧原子及1个水分子中的氧原子配位，晶胞参数:a=2.042 5(7) nm，c=1.395 2(5) nm，V=5.820(3) nm³，D_c=1.454 g·cm^-3，Z=8，F(000)=2 608，GooF=1.064，R₁=0.034 8，wR₂=0.070 4。形成六配位的变形八面体结构。对晶体进行了热稳定性分析，结果表明:配合物在240.0 ℃以下稳定性好。