一维链状铜配位聚合物[Cu(bpb)0.5(CH3COO)2]n的合成与晶体结构

A coordination complex of [Cu(bpb)_0.5(CH₃COO)₂]_n (bpb=1,4-bis(pyridine-3-aminomethyl)benzene) has been synthesized and characterized by elemental analysis, IR spectra, TG and X-ray single crystal diffraction. The title complex crystallizes in triclinic with space group P1, a=0.771 98(15) nm, b=0.827 62(17) nm, c=1.116 0(2) nm, α=96.71(3)°, β=90.03(3)°, γ=105.39(3)°, and V=0.682 4(3) nm³, Z=2, R=0.042 4, wR=0.091 1. The title complex is composed of dicopper tetracarboxylate units. Copper(Ⅱ) atom asumes a square-pyramidal coordination geometry formed with one pyridyl N atom from bpb and four O atoms from four bridging acetate anions. Two adjacent dicopper tetracarboxylate units are linked into a 1D chain by the bpb ligands, which were further connected by inter-chain hydrogen bonds to form a 2D network structure. CCDC: 667605.     

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.     

一维链状的3-羧基苯氧乙酸铜配位聚合物[Cu(3-cpoa)(phen)(H2O)]n的合成与晶体结构

A novel coordination polymer [Cu(3-cpoa)(phen)(H₂O)]_n(3-cpoa^2-=3-carboxylphenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by elemental analysis, IR spectra and single crystal X-ray diffraction. Crystallographic facts are as follows: monoclinic crystal system, space group P2₁/n， a=0.688 96(14) nm， b=1.652 3(3) nm， c=1.651 1(3) nm， β=95.20(3)°, V=1.871 9(6) nm³, Z=4, D_c=1.618 g·cm^-3， F(000)=932， μ=1.211 mm^-1，R=0.048 2 and wR=0.062 2. The copper atom exhibits a distorted square pyramidal coordination geometry, involving two oxygen atoms of different 3-cpoa^2- ligands, two nitrogen atoms of 1,10-phen ligand and one coordinated water molecule. The copper atoms are bridged by 3-cpoa^2- ligand, forming a one-dimensional chain along c axis. The distance of adjacent Cu…Cu is 0.916 6(4) nm. A three-dimensional network structure is constructed by the intermolecular hydrogen bond and π-stacking interactions. CCDC: 219724.     

一维链状铜配位聚合物[Cu(bpb)(PPh_3)_2]_n·nClO_4·nCH_2Cl_2·nH_2O的合成、晶体结构与荧光性质研究

<正>因配位聚合物具有丰富的微观空间拓扑结构和优异独特的宏观特性,在催化、光学、材料、信息存储等领域具有广泛的潜在应用前景[1-2]。联吡啶配体及其衍生物是一类具有特殊性质的配体,其多齿的配位点和对大多数金属离子具有较强亲和力的     

一维链状锌配位聚合物[Zn(apy)( μ-OH)NO3]n的合成、晶体结构及荧光性质

本文合成了1个新的配位聚合物[Zn(apy)(μ-OH)NO3]n(apy=2-氨基嘧啶),并且通过元素分析、红外、荧光、和单晶X-射线进行了表征。标题化合物属于单斜晶系,P21/c空间群,a=0.715 48(14)nm,b=1.850 5(4)nm,c=0.645 68(13)nm,β=110.24(3)°,V=0.802 1(3)nm3,Z=4,R=0.028 4。在化合物中,每个Zn(Ⅱ)离子与氨基嘧啶配体的1个N原子、硝酸根的1个O原子,以及2个羟基氧原子配位,并展示出扭曲的四面体几何构型。2个相邻的Zn(Ⅱ)四面体单元通过羟基氧原子连接形成一维链状结构,该一维链进一步通过氢键和π-π堆积作用形成三维网状结构。室温荧光光谱测定表明该化合物在392 nm处有强的荧光发射。     

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。     

聚合物[Zn(pht)(pzH)2]n的合成，晶体结构与荧光性质

A Zn(Ⅱ) coordination polymer [Zn(pht)(pzH)₂]_n (where pht^2-=dianion of o-phthalic acid, pzH=pyrazole) has been synthesized and the structure was determined by X-ray diffraction. The complex crystallizes in the monoclinic space group P2₁/c, a=0.821 39(10) nm, b=1.662 2(2) nm, c=1.156 42(14) nm, β=100.349(2)°, V=1.5532(3) nm³, Z=4. Both carboxylate groups of the phthalate dianion coordinated in a monodentate mode bridged two Zn(Ⅱ) atoms forming the structure of 1-D chain. The pyrazole ligands play two different roles: one only coordinates the metal atom and the other joins the coordination polymer into a 2-D sheet via N-H…O and C-H…O hydrogen bonds besides the coordination property. A blue photoluminescence peak at 435 nm was observed in solid state at room temperature. CCDC: 227946.     

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].     

二维层状铜(Ⅱ)配位聚合物[Cu(PAc)2(μ-3-PyOH)2]n的合成、晶体结构及热稳定性研究

A two-dimensional coordination polymer, [Cu(PAc)₂(μ-3-PyOH)₂]_n(HPAc=phenyl acetic acid, 3-PyOH=3-hydroxypyridine) was synthesized and characterized by the element analysis, IR, TG and X-ray diffraction single crystal structure determination. The title complex crystallizes in the monoclinic system with space group P2₁/c, a=1.228 7(3) nm, b=0.967 05(19) nm, c=1.076 4(2) nm, β=109.93(3)° and V=1.202 4(5) nm³, Z=2, M_r=524.01, F(000)=542, μ=0.953 mm^-1, R=0.030 9, wR=0.080 7. Each copper(Ⅱ) ion displays an elongated octahedron with two nitrogen atoms from two different 3-PyOH ligands and two oxygen atoms from two different terminal phenyl acetate groups occupying the basal positions and two oxygen atoms of two different 3-PyOH ligands from the neighbouring molecules occupying the axial positions. Each four identical mononuclear Cu(Ⅱ) unit in the two-dimensional layer is joined by four 3-PyOH ligands, related by inversion centers with a Cu…Cu separation of 0.723 5(10) nm across the 3-PyOH-N,O bridge in bc plane. CCDC: 664483.     

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.     

DBBD及其Cu(I)配位聚合物[CuI(DBBD)2]n的合成

In this article we report the synthesis of (R,S)-4,4′-biquinoline-6,6′-dimethyl-3,3′-dicarboxylate (DBBD) (1) and the formation of copper(I) coordination polymer [CuI(DBBD)₂]_n (2) by inducing a bidentate organic ligand (DBBD). The crystal 1 belongs to monoclinic system with space group P2₁, and a=0.881 30(19) nm, b=1.966 0(6) nm, c=1.478 1(4) nm, β=119.429(12)°, V=2.230 5(10) nm³, D_c=1.276 g·cm^-3. The crystal 2 belongs to orthogonal system with space group Fmm2, and a=2.044 41(17) nm, b=1.543 06(13) nm, c=1.652 45(13) nm, V=5.212 9(7) nm³, D_c=1.669 g·cm^-3, Z=8. CCDC: 292931, 1; 292934, 2.     

阶梯状配位聚合物[Cu(μ3-I)INH]n的合成、晶体结构及其热稳定性研究

The complex [Cu(μ₃-I)INH]_n has been synthesized in DMF solution with INH, CuI, where INH=isoniazid. The crystal structure of the complex has been determined by X-ray diffraction single crystal structure analysis. The crystal belong to monoclinic system, space group P2₁/c. The cell parameters are: a=1.009 48(10) nm, b=0.467 51(5) nm, c=1.992 62(19) nm, β=101.413 0(10)°, and V= 0.921 81(16) nm³, Z=4, μ(Mo Kα)=5.674 mm^-1, F(000)=616.0, R₁=0.031 6, wR₂=0.082 5 [I>2σ(I)]. The copper(Ⅰ) atom locates in a distorted coordination tetrahedron. The copper(Ⅰ) atoms bridged by μ₃-I to form a band stair-like chain, and INH occupying the remaining coordination site of the approximately tetrahedral. The stair-like chains extend along b axis. The results of TG analysis show the title complex was stable under 200℃. CCDC: 705346.     

一维链状4-硝基-3-羧甲基苯异丙酸镉配位聚合物{[Cd(3-CNPP)(Py)3]·2H2O}n的合成、晶体结构及热稳定性研究

A novel one-dimensional coordination polymer, {[Cd(3-CNPP)(Py)₃]·2H₂O}_n (3-CNPP^2-=2-(3-carboxymethyl-4-nitrophenyl)propionate dianion, Py=pyridine) was synthesized and characterized by the element analysis, IR, TG and single crystal X-ray diffraction. The title complex crystallizes in monoclinic system with space group P2₁/ n, a=0.974 81(19) nm, b=1.992 3(4) nm, c=1.459 8(3) nm, β=95.92(3)°, and V=2.820 0(10) nm³ Z=4, R=0.037 3, wR=0.083 8. Each cadmium(Ⅱ) atom is seven-coordinated by four oxygen atoms from two different 3-CNPP^2- groups and three nitrogen atoms from three pyridine ligands, forming a distorted pentagonal bipyramindal coordination geometry. The cadmium(Ⅱ) atoms are bridged by the tetradentate 3-CNPP^2- groups, constructing a one-dimensional zigzag chain structure along c axis. The adjacent distance of Cd…Cd atoms is 0.979 6 nm. The two-dimensional hydrogen-bonding supramolecular network was formed via the hydrogen bond interactions. CCDC: 254257.     

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.     

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.     

二维层状铜配位聚合物[Cu2(3-PyOH)2(EDTA)]n的合成与结构研究

A 2D copper coordination polymer of [Cu₂(3-PyOH)₂(EDTA)]_n (EDTA^4-=ethylenediaminetetraacetate quadrivalent anion C₁₀H₁₂N₂O₈, 3-PyOH=3-hydroxypyridine) was synthesized and characterized by the element analysis, IR and single crystal X-ray diffraction. The title complex crystallizes in monoclinic system with space group P2₁/c, a=1.327 5(3) nm, b=0.930 39(19) nm, c=0.948 44(19) nm, β=108.21(3)°, and V=1.112 8(4) nm³, Z=2, R=0.025 2, wR=0.066 1. Each copper(Ⅱ) atom is five-coordinated by three O atoms and one N atom from two different EDTA^4- groups and one N atom from 3-PyOH ligand, forming a distorted square-pyramidal coordination geometry. Two adjacent copper(Ⅱ) atoms are bridged by the bis-tetradentate EDTA^4- groups, constructing a two-dimensional layer structure along bc plane. The adjacent Cu…Cu distances are 0.502 5(3) and 0.611 3(3) nm. CCDC: 618806.     

一维链状镉(Ⅱ)配位聚合物[Cd(μ-DPIA)2(H2O)]n的合成与结构研究

A novel one-dimensional coordination polymer, [Cd( μ-DPIA)₂(H₂O)]_n (HDPIA=4,5-Diphenylimidazole-1-acetic acid), was synthesized and characterized by the element analysis, IR and single crystal X-ray diffraction. It crystallizes in the orthogonal space group Pca2₂ with unit cell parameters: a=1.509 6(3) nm, b=0.611 1(1) nm, c=3.216 4(6) nm, and V=2.967 1(10) nm³, Z=4, R=0.032 7, wR=0.086 7. The Cd atom is seven-coordinated by four O atoms and two N atoms from two chelating DPIA^- ligands and one water molecule, and displays a distorted pentagonal bipyramid coordination geometry. Each DPIA^- ligand bridges two adjacent Cd atoms, forming a infinite chain along the a axis direction. The Cd…Cd separation within the polymer is 0.765 0(3) nm. A layer structure which parallels to the ab plane is further constructed by hydrogen bonding interactions. CCDC: 254247.     

一维链状配位聚合物[Ca(L)2·(CH3OH)2]n的合成、结构及热稳定性

The coordination polymer [Ca(L)₂·(CH₃OH)₂]_n (HL=N-phenylanthranilic acid) (1) was synthesized by the reaction of calcium perchlorate with N-phenylanthranilic acid in the CH₃OH/H₂O. It was characterized by elemental analysis, IR, thermal analysis and X-ray single crystal structure analysis. The crystal of the title complex [Ca(L)₂·(CH₃OH)₂]_n belongs to triclinic, space group P1 with a=0.751 5(3) nm, b=1.079 6(4) nm, c=1.629 5(6) nm, α=83.547(5)°, β=89.001(6)°, γ=72.257(5)°, V=1.251 0(8) nm³, Z=2, D_c=1.403 Mg·m^-3, F(000)=556, and final R₁=0.066 8, wR₂=0.140 4. The complex comprises a seven-coordinated calcium(Ⅱ) center, with a O₇ distorted pengonal bipyramidal coordination environment. Adjacent Ca(Ⅱ) ions are bridged by N-phenylanthranilicate groups, resulting in a 1D chain structure. The adjacent Ca…Ca distances are 0.382 8 nm and 0.384 6 nm. Furthermore, the molecules are connected by hydrogen bonds to form two dimensional layered structure. CCDC: 652445.     

一维链状锌配位聚合物{[Zn(H2O)2(L)(phen)]·3H2O}n的合成、晶体结构和性能研究

合成了一种锌配位聚合物{[Zn(H₂O)₂(L)(phen)]·3H₂O}_n (1), 其中, H₂L=1-氨基-8-萘酚-3, 6-二磺酸并利用元素分析、红外、紫外、荧光、热重和X-射线单晶衍射分析进行了表征。标题配合物属正交晶系, Pnma空间群, a=1.698 90(12) nm, b=0.661 88(11) nm, c=2.480 40(14) nm, V=2.789 1(5) nm³, Z=4, M_r=634.92, D_c=1.512 g·cm^-3, R=0.058 6, wR=0.121 4。标题配合物呈现一维链状结构, 链内L²-和phen配体之间存在π-π堆积作用, 链与链之间通过氢键扩展为二维超分子网络。     

一维链状锰配位聚合物[Mn(3,5-Me2PhCO2)2(phen)]n的合成与晶体结构

A manganese coordination polymer [Mn(3,5-Me₂PhCO₂)₂(phen)]_n(phen=1,10-phenanthroline) has been synthesized by hydrothermal methods. The crystal structure was determined by single-crystal X-ray diffraction. The crystal is of triclinic, space group P1 with a=0.770 3(4) nm, b=1.145 2(6) nm, c=1.537 0(9) nm, α=78.182(9)°, β=77.170(9)°, γ=89.784(9)°, V=1.292 8(12) nm³, Z=2, M_r=533.47, D_c=1.370 g·cm^-3, μ=0.549 mm^-1, F(000)=554, R_int=0.043 4, R=0.060 8 ,wR=0.148 4. In the crystal the manganese atom is six-coordinated by two nitrogen atoms from phen and four oxygen atoms from four 3,5-dimethylbenzolate molecules, completing an octahedral geometry. And the title complex forms one-dimensional chain structure through bridging 3,5-dimethylbenzolate molecules. CCDC: 642920.