一维链状化合物[Ag(L)]·H2O的合成、晶体结构和荧光性质

The title compound,[Ag(L)]·H2O,1,where HL=4-(isonicotinamido)benzoic acid,was synthesized in methanol solution and its crystal structure was determined by X-ray diffraction analysis.The crystal is of monoclinic.space group P21/c with a=0.571 8(8)nm,b=1.357 2(18)nm,c=1.5580(2)nm,β=91.090(2)°,V=1.2090(3)nm3,Z=4,Dc=2.009 g·cm-3,F(000)=722,Rint=0.042 9,R=0.027 1,wR=0.055 6.In complex 1,the Ag atoms are linearly coordinated by one O atom and one N atom of two ligand molecules.Each I- ligand in turn uses its one carboxylate group and one pyridinyl groups to connect two metal centers,then the one-dimensional (1D) chains is formed.On the other hand,the 1D chains are further connected by O1W-H1WB…O2 hydrogen bonds and Ag-O weak interactions to give a two-dimensional (2D) layer,finally,the 2D net extents to three-dimensional (3D) supramolecular framework by O1W-H1WB…O1 as well as N2-H2…O2 interactions.CCDC:762259.     

配合物[Cd(bpndc)(phen)2(H2O)]·2H2O的水热合成、晶体结构及荧光性质

由二苯甲酮-4,4′-二甲酸和邻菲咯啉为配体合成了1个新的镉化合物[Cd(bpndc)(phen)2(H2O)].2H2O(1)(H2bpndc=二苯甲酮-4,4′-二甲酸),并对其进行了元素分析、IR及X-射线衍射法表征。晶体结构表明:配合物1属于四方晶系,I41/a空间群。配合物1中心镉原子是六配位的变形八面体构型,该单核化合物通过氢键拓展成一维链状结构。配合物1的荧光测试研究表明它具有蓝色荧光。     

一维链状配合物[Cd(FA)(pyim)(H2O)]的合成、晶体结构和荧光性质

A one-dimensional zigzag chain complex of Cd(FA)(pyim)(H₂O) (1) (H₂FA=4,4′-(hexafluoroisopropylid-ene)bis(benzoic acid) and pyim=2-(2-pyridyl)imidazole) was hydrothermal synthesized from Cd(NO₃)₂·4H₂O, 4,4′-(hexafluoroisopropylidene)bis(benzoic acid) and 2-(2-pyridyl)imidazole. Single-crystal X-ray analysis revealed that the zigzag chains of 1 are linked into three-dimensional supramolecular networks by both O-H…O hydrogen-bonds and π…π stacking interactions. The crystal is of monoclinic, space group P2₁/n with a=0.856 34(10) nm, b=1.020 49(12) nm, c=2.809 0(3) nm, β=98.115(2)°, V=2.430 2(5) nm³, D_c=1.820 g·cm^-3, Z=4, F(000)=1 320, Goof=1.009, R₁=0.047 0, wR₂=0.115 5. In addition, complex 1 exhibits strong photoluminescent emission at room temperature. CCDC: 733837.     

新型配合物[Zn(dib)(H2O)3]SO4·2H2O的水热合成、晶体结构和荧光性质

由水热法合成了锌化合物[Zn(dib)(H2O)3]SO4.2H2O(1)(dib=1,4-二咪唑基苯),并对其进行了元素分析、IR及X-射线衍射法表征。晶体结构表明:配合物1属于正交晶系,Fddd空间群。配合物1是由桥联配体1,4-二咪唑基苯连接成一维链状结构,该一维链被氢键拓展成三维超分子结构。配合物1的荧光测试研究表明它具有蓝色荧光。     

三维超分子化合物[Ag4(L)4](PMBS)4·2H2O的合成、晶体结构和荧光性质

The title compound,[Ag4(L)4](PMBS)4·2H2O (1),where L=2,5-bis (4-pyridyl)-3,4-diaza-2A-hexadiene,PMBS =p-methylbenzenesulfonate was synthesized and its crystal structure was determined by X-ray diffraction structure analysis.The crystal is of triclinic,space group P1 with a=0.820 3(2) nm,b=1.3227(3) nm,c=2.0610(3) nm,α=76.155(2)°,β=78.651 (4)°,γ=89.993(3)°,V=2.126 2(8) nm3,Z=2,Dc= 1.644 g·cm-3,F(000)= 1068,R=0.052 4,wR=0.113 6.The Ag atoms are linear coordinated by two N atoms of two L ligands,while the p-methylben-zenesulfonate molecules are included in the lattice and connected to [Ag(L)]n by hydrogen bonding interactions to form a three-dimensional supramoleculur structure.CCDC:727587.     

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.     

一维异核配合物[KNd(bta)2(H2O)6]·H2O的水热合成，晶体结构和荧光性质

以双四唑胺(H₂bta)、NdCl₃·6H₂O、KOH为原料,用水热法合成了1个一维异核的Nd³⁺配合物[KNd(bta)₂(H₂O)₆]·H₂O。通过X-射线单晶衍射、元素分析、红外光谱对该配合物进行了结构表征。该化合物属于单斜晶系,P2₁/m空间群。每个Nd³⁺与2个来自bta^2-离子的4个氮原子和5个水分子形成了1个盖帽的四方双锥,通过bta^2-和水分子桥联配体把Nd³⁺和K⁺连接成一维链状结构,链与链之间通过O-H…N和N-H…O氢键作用形成三维超分子结构。紫外吸收光谱和荧光光谱表征结果显示该配合物的水溶液在292和412 nm表现出双四唑胺的特征吸收峰和荧光发射特征峰。     

配合物[Cd（1,3-BDC）（L）（H2O）2]·H2O的水热合成、晶体结构和荧光性质

利用水热方法制备了一个新的过渡金属镉配合物[Cd(1,3-BDC)(L)(H2O)2]·H2O(1,3-H2BDC=间苯二甲酸,L=2-(3-吡啶基)-1H-苯并咪唑),并通过元素分析、红外光谱和X-射线单晶衍射方法确定了该配合物的晶体结构.结构分析表明该配合物属于单斜晶系,P21/c空间群,晶胞参数a=1.016 41(6)nm,b=2.088 42(12)nm,c=1.001 38(6)nm,β=106.336 0(10)°,V=2.039 8(2)nm3,Z=4,R1=0.020 7,wR2=0.494.配合物中CdⅡ离子与L配体的1个吡啶N原子、1,3-BDC的4个氧原子和2个配位水的O原子配位,形成七配位的扭曲十面体结构.配体1,3-BDC的桥连相邻的CdⅡ离子形成一维聚合物链,相邻链间通过氢键和π…π作用形成三维超分子网络,并对该配合物的热稳定性和荧光性质进行了研究.     

一维Z型链状配合物[Cd(BDC)(H2C2EIm)(H2O)]n的水热合成、晶体结构和荧光性质研究

水热合成了1个新配合物[Cd(BDC)(H₂C2EIm)(H₂O)]_n(BDC=对二苯甲酸;H₂C2EIm=2,2′-乙基双苯丙咪唑)。通过元素分析、红外光谱、热重以及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)原子通过BDC和H₂C2EIm 2种配体连接成一维Z型带状结构,带与带之间通过N-H…O,O-H…O连接成三维超分子结构。室温下配合物具有较强的荧光发射光谱。     

异双核配合物[CuCo(TS)(H2O)]·H2O的晶体结构和热分析性质研究

The single-crystal of [CuCo(TS)(H₂O)·H₂O],where TS is the schiff base N,N＇-bis(3-carboxylsalidene)trimethylenediamine, was obtained and its crystal structure was determined by the single-crystal X-ray diffraction method at room temperature. It crystallizes in the monoclinic system, space group P2₁/c. The lattice parameters are a=11.855(2)?, b=14.722(3)?, c=12.080(2)?, β=117.32(3)°, V=1879.4(7)?³ , Z=4 with R₁=0.0330. The structure is made of heterobinuclear units . The copper atom is coordinated by two nitrogens, two phenolic oxygens, in a square-planar manner. And the cobalt atom is coordinated by two phenolic oxygen atoms, two equatorial carboxyl oxygen atoms and one axial water oxygen atom, in a distorted square pyramid. Two metal atoms are bridged by two phenolic oxygens. In the crystal packing, the neutral molecules built layers. Within these layers the molecules are connected through hydrogen bonds. And the thermal property of the complex according to crystal structure is also investigated.     

两个基于β-二酮席夫碱配体构筑的银配合物的合成、晶体结构和荧光性质

在常温的条件下,分别将2个双β-二酮席夫碱配体与银盐进行配位反应得到2个银配合物,{[Ag(L₁)](SbF₆)}_n(1)和[Ag₂(L₂)2₂](BF₄)₂(2)(L₁=1,3-bis(4-methylamino-pentan-2-one)phenyl,L₂=1,3-bis(3-methylamino-1-phenyl-butan-1-one)phenyl),并通过元素分析、红外光谱、粉末X射线衍射分析、单晶X射线衍射等对其结构进行了表征。结构分析表明,在配合物1中,银离子与配体L₁中的2个碳原子和2个氧原子配位,形成一维链状结构,而配合物2中银离子与L₂配体中的2个氧原子和2个碳原子配位,最终得到双核二聚体结构。化合物1和2都通过阴离子与结构单元之间的C-H…F作用,最终形成三维超分子结构。此外,我们还研究了化合物1、2以及配体的荧光性质。     

基于柔性配体的双核铽配位聚合物[Tb2(tda)3(H2O)2]的合成、晶体结构和荧光性质

在水热条件下,利用硫代羟基二乙酸配体[thiodiglycolic acid=H₂tda]和TbCl₃·nH₂O合成了新型稀土配合物[Tb₂(tda)₃(H₂O)₂]。单晶结构表明,配合物是以共边多面体[Tb₂O₁₆]为基本单元构筑的二维结构,并通过弱相互作用拓展为三维超分子体系。中心原子铽与氧原子的配位数是8和9,分别形成了单帽反四棱柱和三帽三角棱柱构型的空间配位多面体。配体H₂tda在配合物中存在两种配位模式：(a) 双“顺-顺桥式双齿、螯合桥式三齿”模式和(b) 双“螯合双齿、顺-反桥式双齿”模式。荧光光谱研究表明：该配合物在室温下呈现较强的绿色荧光发射。配合物属三斜晶系,空间群P1。     

一维链状银配合物的合成及晶体结构

The complex [Ag(L)]NO₃ (1) [L=1,5-bis(imidazol-1-yl)pentane] was synthesized in ethanol and water, and characterized by elemental analysis and X-ray crystal structural analysis. The result shows that the complex crystallizes in monoclinic, space group P2₁/c with a=0.695 7(4) nm, b=0.988 7(4) nm, c=1.974 8(7) nm, β=91.934(19)°, V=1.357 5(10) nm³, Z=4, D_calc=1.831 g·cm^-3, F(000)=752, μ=1.50 cm^-1, the final R=0.036 6, wR=0.091 0. The coordination environment of Ag(Ⅰ) is nearly linear with two N atoms, and each L ligand links two Ag(Ⅰ) atoms using its two imidazolyl N atoms to generate an infinite one-dimensional (1D) chain structure. The 1D chains are further connected by C-H…O hydrogen bonds to give a three-dimensional structure. CCDC: 609514.     

镉配合物的合成、晶体结构与荧光性质

用水热合成法得到了镉的2个配合物[CdCl(pybma)·H₂O]_n (1)和[Cd₂(pybma)₂(OH-BDC)]_n (2)(Hpybma=2-(2-吡啶基)苯并咪唑基乙酸, OH-H₂BDC=5-羟基-1,3-苯二酸),对它们进行了元素分析、红外光谱、XRD,热重,荧光等表征,并用X-射线单晶衍射测定了配合物的单晶结构。配位聚合物1属单斜晶系,P2₁/c空间群, 配位聚合物2属三斜晶系,P1 空间群。2个配合物都是二维层状结构,其中配合物1通过氢键作用形成三维网状结构。实验结果表明2个配合物都具有较好的荧光性质,可以作为潜在的荧光光学材料。     

一维链状锰配位聚合物[Mn(C10H9O3)2(4，4′-bipy)(H2O)2]n的合成、晶体结构及荧光性质分析

锰元素不仅在生物化学的酶催化过程中扮演重要的角色[1-3],而且在合成分子磁体、开展多核间磁交换作用的研究方面也受到人们的关注[4-6],锰配合物的的研究已引起人们的极大兴趣.     

[Cd(HO-BDC)(phen)·H2O]n的合成和晶体结构研究

A novel coordination ploymer [Cd(HO-BDC)(phen)·H₂O]_n (where HO-BDC is 5-Hydroxyisophthalic acid and phen is 1,10-phenanthroline) has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P2/c, with a=0.876 4(2) nm, b=1.233 0(3) nm, c=1.761 2(4) nm, β=109.152(9)°, V=1.797 8(7) nm³, Z=4, M_r=490.73, D_c=1.813 g·cm^-3, F(000)=976, μ=1.258 mm^-1, the final R=0.043 8 and wR=0.098 9 for 2 880 observed reflections with I>2σ(I). The structural analysis shows that the complex has a one-dimensional chain structure. CCDC: 609770.     

配合物[Co(Hdhpmy)(H2O)3]·3H2O的合成、晶体结构和荧光性质

用溶液法合成了钴的配合物[Co(Hdhpmy)(H₂O)₃]·3H₂O(H₃dhpmy=4,6-二羟基嘧啶-2-硫醇乙酸),对它进行了元素分析、红外光谱、荧光等表征,并用X-射线单晶衍射测定了配合物的单晶结构。标题配位聚合物晶体属正交晶系,Pca2₁空间群。弱的π-π相互作用将单分子连接成一维链状结构,而氢键使配合物形成三维网状结构。     

一维链状铕聚合物[Eu2(C10H9NO2)6(H2O)2]n的水热合成、晶体结构及荧光性质

稀土有机配合物在激光材料创制、结构探针、荧光免疫分析及生物传感器等领域展示出了广阔的应用前景[1].     

一个双核镍配合物[Ni2(Htda)2(H2O)6]·4H2O的合成、晶体结构和性质

双核金属配合物对于生物化学和磁化学都是非常重要的。在本文中,1,2,3-三氮唑-4,5-二羧酸(H₃tda)配体和硝酸镍在常温常压下反应得到了1个三氮唑桥联的双核镍配合物[Ni₂(Htda)₂(H₂O)₆]·4H₂O (1),并通过元素分析、红外光谱、X-射线单晶衍射、热重分析以及超导量子干涉仪(SQUID)对其晶体结构和磁、热性质进行了表征。晶体数据表明该配合物属三斜晶系,空间群为P1。在配合物1中,2个1,2,3-三氮唑-4,5-二羧酸配体利用2个相邻的氮原子桥联2个金属镍离子形成一个双桥的双核镍配合物。这些双核镍单元又通过体系中存在的大量的氢键相互作用形成了三维超分子骨架。磁性分析显示双核镍单元内镍镍之间存在反铁磁相互作用。     

配合物[Co(phen)2(m-chlorobenzoic acid)2·(H2O)]·(H2O)2的水热合成、晶体结构电化学分析

The title complex has been synthesized with m-chlorobenzoic acid, 1,10-phenanthroline and cobalt perchlorate anhydrous in the solvent mixture of water and methanol. Crystal data for this complex: triclinic, space group P1, a=0.870 7(3) nm, b=1.284 4(4) nm, c=1.692 9(5) nm; α=75.430(5)°, β=77.562(5)°, γ=86.346(5)°, V=1.789 4(9) nm³, D_c=1.456 g·cm^-3, Z=2, F(000)=806. Final GooF=1.065, R₁=0.068 4, wR₂=0.127 5. The crystal stru-cture shows that the Cobaly ion is coordinated with four nitrogen atoms from two 1,10-phenanthroline molecules and two oxygen atoms from one m-chlorobenzoic acid molecule and one water molecule respectively, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 619087.