三联吡啶羧基Zn(Ⅱ)，Cu(Ⅱ)和Fe(Ⅱ)配合物研究

本文通过溶剂热法合成了三个基于4’-羧基-2,2’∶6’,2"-三联吡啶(HL)的单核配合物,其分子式为[ML₂]·4H₂O(1,M=Zn(Ⅱ);2,M=Cu(Ⅱ);3,M=Fe(Ⅱ)),并分别对其进行了元素分析、波谱、单晶和粉末衍射表征。晶体结构测试结果表明3个配合物为异质同晶结构,都属于四方晶系的I42d空间群。配合物1~3都是1个二价金属离子和2个羧基未配位且去质子化的三齿螯合配体L配位形成的单核结构,通过分子间π-π堆积和氢键作用拓展成三维超分子网络结构。由于二价Zn离子的全充满d¹⁰电子构型,配合物1与其配体相比具有明显的室温固态蓝色荧光发射性质。     

N-(2-氧乙酸-3-甲氧基)苄叉二胺合锌(Ⅱ)配合物的合成、晶体结构及光学性质研究

本文通过修饰邻香草醛芳环上羟基的方法,得到两种Schiff碱配体:N,N'-二(2-氧乙酸-3-甲氧基)苄叉乙二胺(H₂L¹)和N,N′-二(2-氧乙酸-3-甲氧基)苄叉1,3-丙二胺(H₂L₂),利用水热合成方法以新合成的配体为基点设计合成了2个新的六配位Schiff碱锌(Ⅱ)配合物[Zn(L¹)]·7H₂O(1)和[Zn(L²)]·7H₂O(2),通过元素分析、红外光谱和核磁共振光谱等测试手段对配合物进行了表征,并用X射线单晶衍射测得Zn(Ⅱ)配合物的晶体结构。X射线晶体学研究表明两种配合物晶体结构中都包含多个溶剂水分子,配合物1是以Zn(Ⅱ)为中心扭曲的三方棱柱构型,配合物2构型是以Zn(Ⅱ)为中心扭曲的八面体构型。初步研究了两种配合物的固体发光性,结果表明这两种配合物具有良好的光致发光的性能,有望在光学材料方面得到应用。     

两个基于双(4-吡啶-4-苯基)胺的钴(Ⅱ)、锌(Ⅱ)配合物的合成和晶体结构

以双(4-吡啶-4-苯基)胺(BPPA)和4,4-(六氟)双(苯甲酸)(H₂hfipbb)或对苯二甲酸(p-H₂bdc)为配体,采用溶剂热法与M(NO₃)₂·6H₂O(M=Co、Zn)组装合成了2个新的配合物{[Co₂(BPPA)(hfipbb)₂·(H₂O)₃]·6H₂O}_n(1)、{[Zn₂(BPPA)₂(p-bdc)₂]·H₂O·DMF}_n(2),X射线单晶衍射测定结果表明:配合物1和2均为二维结构。配合物1具有新的拓扑结构。配合物2的二维结构又可以组成三维框架结构。配合物1为正交晶系,Pnna空间群,a=2.6409(2) nm,b=1.71578(13) nm,c=1.50411(11) nm,V=6.8154(9) nm³,Z=4,μ=0.571 mm^-1,F(000)=2592,D_c=1.245 g·cm^-3,M_r=1383.76,R₁=0.0666,ωR₂=0.2089(I>2σ(I));配合物2为单斜晶系,C2/c空间群,a=2.79670(9) nm,b=1.81482(6) nm,c=2.30313(7) nm,β=102.1360(10)°,V=11.4283(6) nm³,Z=8,μ=0.906 mm^-1,F(000)=4944,D_c=1.391 g·cm^-3,M_r=1196.85,R₁=0.0398,ωR₂=0.1064(I>2σ(I))。此外,热重分析表明配合物1和2均具有良好的热稳定性。     

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     

双烷氧桥联的双核铜(Ⅱ)Schiff碱配合物的合成及配合行为

通过Salen型双肟配体H₂L¹(H₂L¹=5,5′-二(N,N′-二乙胺)-2,2′-[乙二氧双(氮次甲基)]二酚)与乙酸铜反应,合成了一种双核铜(Ⅱ)配合物[Cu₂(L²)₂](H₂L²=4-(N,N′-二乙胺)水杨醛O-(2-羟乙基)肟),并对其进行了X-射线衍射单晶结构分析。     

三联吡啶羧基Zn(Ⅱ),Cu(Ⅱ)和Fe(Ⅱ)配合物研究

本文通过溶剂热法合成了三个基于4'-羧基-2,2':6',2"-三联吡啶(HL)的单核配合物,其分子式为[ML₂]·4H₂O(1,M=Zn(Ⅱ);2,M=Cu(Ⅱ);3,M=Fe(Ⅱ)),并分别对其进行了元素分析、波谱、单晶和粉末衍射表征。晶体结构测试结果表明3个配合物为异质同晶结构,都属于四方晶系的I42d空间群。配合物1~3都是1个二价金属离子和2个羧基未配位且去质子化的三齿螯合配体L配位形成的单核结构,通过分子间π-π堆积和氢键作用拓展成三维超分子网络结构。由于二价Zn离子的全充满d₁₀配位构型,配合物1与其配体相比具有明显的室温固态蓝色荧光发射性质。     

含有4,5-二氮芴-9-酮锌(Ⅱ)、钴(Ⅱ)化合物的合成和晶体结构

Two compound crystals of (Hdafo)₂[ZnCl₄]·2H₂O (1) and (Hdafo)₂[CoCl₄]·2H₂O (2) were obtained when we tried synthesizing the mixed ligand compounds of Zinc (Ⅱ) and Cobalt(Ⅱ) with 4,5-diazafluorene-9-one(dafo) and o-phthalic acid, respectively. Their structure was determined by single crystal X-ray diffraction. The crystals all belong to monoclinic system, C2/c space group with crystallographic data:(Hdafo)₂[ZnCl₄]·2H₂O, a=1.6768(5)nm, b=1.2052(3)nm, c=1.3888(4)nm, β=116.793(3), V=2.5053(12)nm³, Z=4, F(000)=1232, M_r=609.57, D_c=1.616g·cm^-3, μ(MoKα)=1.444mm^-1, R₁=0.0373, wR₂=0.0765; (Hdafo)₂[CoCl₄]·2H₂O, a=1.6787(4)nm, b=1.2078(3)nm, c=1.3911(4)nm, β=116.665(3)°, V=2.5204(11)nm³, Z=4, F(000)=1220, M_r=603.13, D_c=1.589g·cm^-3, μ(MoKα)=1.142mm^-1, R₁=0.0257, wR₂=0.0654. The constitutes of the two compounds were proved by elemental, IR Spectra and thermal analyses. CCDC: 1, 198516; 2, 198517.     

两种含氨基吡啶衍生物铜(Ⅱ)配合物的合成和晶体结构

Copper(Ⅱ) complexes Cu(C₆H₆N₂)₂(ClO₄)₂ (1) and Cu₂(OAc)₄(C₅H₅ClN₂)₂ (2) with amino-pyridine deriva-tives ligands have been synthesized and characterized by elemental analysis and IR spectrum. Their crystal struc-tures are determined by X-ray diffraction method. Compound 1， C₁₂H₁₆C₁₂CuN₄O₈， M_r=478.73， triclinic， space group ， a=0.7641(1)nm， b=0.7987(1)nm， c=0.7990(1)nm， α=106.78(1)°，β=95.71(1)°， γ=108.85(1)°， V=0.4317(1)nm³， Z=1， D_c=1.841g·cm^-3， μ=1.627mm^-1， F(000) =243，R₁=0.0264， ωR₂=0.0641 (I>2σ(I)). In 1， the center metal ion Cu(Ⅱ) possesses distorted octahedral geometry. Compound 2， C₁₈H₂₂C₁₂Cu₂N₄O₈， M_r=620.38，monoclinic， space group C2/c， a=1.9888(3)， b=0.9158(1)， c=1.4241(2)nm， β=115.89(1)°， V=2.3336(5)nm³， Z=4， D_c=1.766mg·cm^-3， μ=2.104mm^-1， F(000)=1256， R₁=0.0263， wR₂=0.0676 (I>2σ(I)). Compound 2 is dinuclear structure， in which each Cu(Ⅱ) adopts five-coordinated distorted square pyramid geometry. CCDC： 193109; 193110.     

柠檬酸镍(Ⅱ)配合物的合成、光谱和晶体结构

在弱酸性介质中，氯化镍和柠檬酸铵反应可得到镍水合离子与二聚柠檬酸镍配离子的加合配合物(NH₄)［Ni(H₂O)₆］［Ni(Hcit)(H₂O)₂］₄·10H₂O 1，晶胞参数：a=9.7273(9), b=12.034(2), c=13.348(2)?, α=63.54(2), β=88.45(1),γ=86.28(1)°,V=1395.9(3)?^{3, Z=1，配合物的阳离子为两个铵离子和一个六水合镍离子，阴离子由两个二聚柠檬酸镍［Ni(Hcit)(H₂O)₂］2-₂组成。在不对称的配阴离子中，两个柠檬酸分别以羟基、α-羧基和一个β-羧基同第一个镍配位，剩下的β-羧基作为桥基同另一个镍配位形成二聚体。}     

一个铜(Ⅱ)镍(Ⅱ)超分子化合物的合成、晶体结构与磁性

one new complex, [Cu(aeop)Ni(dpt)(H₂O)]·5H₂O, [H₄aeop=N′-(2-Aminoterephthalic acid)-N″-(1,3-Pro-panediamine) Oxamide], has been prepared by the diffusion method, where (aeop)^4- as bridging ligand, dpt as end ligand and characterized by elemental analysis, IR and X-ray crystal structure determination. It crystallizes in the Triclinic system, P1 space group with a=0.885 92(4)nm, b=1.232 53(6)nm, c=1.301 24(6)nm, α=85.593 0(10)°, β=78.753 0(10)°, γ=89.382 0(10)°, V=1.389 43(11) nm³, Z=2. The crystal structure analysis shows that intermolecular O-H…O and N-H…O hydrogen bonds result in a 3D supermolecular construction. The complex was characterized by magnetic susceptibility and presents a antiferromagnetic interaction (J=-46.4 cm^-1, g=2.24). CCDC: 727559.     

一种新型不对称三足四胺席夫碱锌(Ⅱ)配合物的合成、结构及杀菌性能研究(英)

A new tripodal complex [ZnL](ClO₄)₂ (C₂₆H₃₁Cl₂N₇O₈Zn) was synthesized by Schiff base condensation of 2-aminoethyl-bi(3-aminopropyl)amine with 2-pyridinecarbaldehyde in the presence of Zn²⁺ and characterized by X-ray diffraction and ES mass spectral analysis. It crystallized in the Monoclinic system, space group P2₁/c with a=1.088 5(4) nm, b=1.614 6(6) nm, c=1.7830(5) nm, β=94.405(2)°. Z=4, R₁=0.092 9, wR₂=0.175 8. Zn atom rendered six-coordinate in a trigonal antiprism geometry. The complex was valued for its antimicrobial activity against bacterial strands using the agar diffusion method. It was found to be active against the four test bacterial organisms. CCDC: 231275.     

N,N′-双(2-吡啶乙基)二硫代草酰胺根桥联的异三核锰(Ⅱ)铜(Ⅱ)锰(Ⅱ)、镍(Ⅱ)铜(Ⅱ)镍(Ⅱ)和三核镍(Ⅱ)配合物的合成及性质

以取代的二硫代草酰胺根作为桥联配体, 合成了3种新的三核镍配合物[Ni₃(Ped)₂](ClO₄)₂(H₂O) (1)、[Ni₃(Ped)₂](NO₃)₂(H₂O) (2)和[Ni₃(Ped)₂](Ac)₂(H₂O)₂ (3),及2种新的异三核铜镍和铜锰配合物[CuNi₂(Ped)₂](NO₃)₂(H₂O)₂ (4)和[CuMn₂(Ped)₂](NO₃)₂(H₂O)₂ (5) (H₂Ped =N,N′-双(2-吡啶乙基)二硫代草酰胺)。通过元素分析、红外光谱、紫外可见光谱、电导、电子顺磁共振谱等对配合物进行了表征，对配合物进行了热分析。测定了配合物(5)的变温磁化率，研究了配合物(5)中Cu(Ⅱ)-Mn(Ⅱ)离子间的磁相互作用，结果表明在Cu(Ⅱ)-Mn(Ⅱ)离子间的磁相互作用具有高自旋基态的非正规自旋态性质。     

2D氢键网状Mg(Ⅱ)配合物的合成和晶体结构

The title complex [Mg(H₂O)₆]·(L)·(H₂O) [L=2-formyl-benzenesulfonate-hydrazine] was synthesized by the reaction of magnesium chloride hexahydrate with 2-formyl-benzenesulfonic acid sodium-hydrazine in the CH₃CH₂OH/H₂O. It was characterized by elemental analysis, IR and X-ray single crystal structure analysis. The crystal of the title complex [Mg(H₂O)₆]·(C₁₄H₁₂N₂O₇S₂)·(H₂O) belongs to triclinic, space group P1 with a=0.781 09(12) nm, b=0.781 27(13) nm, c=0.995 68(19) nm, α=102.054(2)°, β=92.331 0(10)°, γ=105.500(2)°, V=0.569 59(17) nm³, Z=1, D_c=1.559 Mg·m^-3, μ=0.334 mm^-1, F(000)=280, and final R₁=0.033 9, wR₂=0.091 6. The complex comprises a six-coordinated magnesium(Ⅱ) center, with a O₆ distorted octahedron coordination environment. The molecules are connected by hydrogen bonds to form two dimensional network structures. CCDC: 716601.     

以氨基酸酯为轴向配体的铁、锰卟啉配合物的合成及表征

The new six-coordinate complexes (TPP)Fe^Ⅱ(Gly-OMe)₂ C₅₀H₄₂FeN₆O₄ and (TPP)Fe^Ⅱ(β-Ala-OMe)₂ (C₅₂H₄₆FeN₆O₄) wbere TPP=meso-tetraphenyl porphyrinate, Gly-OMe=glycine methyl ester, β-Ala-OMe=β-alanine methyl ester and five-coordinte complex (TPP)Mn^(Ⅱ)(Gly-OMe) (C₄₇H₃₅MnN₅O₂) have been prepared by sodium borohydride method.These complexes were characterized by UV-Vis, IR, ESR, spectra and by elemental analysis. The synthesized divalent iron porphyrins are d⁶ low spin states and their UV-Vis spectra are Hypso type; while divalent manganese porphyrin is d⁵ high spin state and its UV-Vis spectrum is pseudo-Normal type.     

基于两种柔性同分异构羧酸配体的钴(Ⅱ)配合物的合成、结构表征及磁性能研究

分别以E-3-[4-(羧甲氧基)-苯基]丙烯酸(H₂L¹)和E-3-[4-(羧甲氧基)-苯基]丙烯酸(H₂L²)为主配体,合成了3种钴(Ⅱ)配位聚合物：[Co(L¹)(bpp)]_n(1),{[Co(μ₃-OH)₂(L²)₄(bpy)₂(H₂O)₄]·12H₂O}_n(2)和[Co(L₂)(bpy)]_n(3)(bpp：1,3-二吡啶基丙烷,bpy：4,4-联吡啶)。通过元素分析、红外光谱、X射线粉末和单晶衍射对其进行了结构表征。结果表明钴(Ⅱ)离子在这3种配合物中具有不同的配位环境,导致3种配合物具有不同的晶体结构和磁性特征。     

二维网状锌(Ⅱ)配位聚合物[Zn(HIDC)(bib)0.5]n的合成、晶体结构和荧光性质

A new 2D Zn(Ⅱ) coordination polymer [Zn(HIDC)(bib)_0.5]_n(1) was obtained by the hydrothermal reaction of ZnCl₂, imidazole-4,5-dicarboxylic acid (H₃IDC), and 1,4-bis(imidazol-1-yl)-butane (bib) with 2∶2∶1 mole ratio. X-ray diffraction crystal structural analysis reveals its crystallizes in monoclinic, space group P2₁/n with a=0.943 38(16), b=1.022 48(18), c=1.393 8(2) nm, β=109.434(3)°, V=1.267 9(4) nm³,Z=4, D_c=1.648 Mg·m^-3, F(000)=636, the final R₁=0.044 1, and wR₂=0.100 3 for 1 742 observed reflections with I≥2σ(I). In 1, each Zn(Ⅱ) ion is five-coordinated with a distorted trigonal bipyramidal coordination geometry, and each μ₂-HIDC² acts as a bridge to bond two neighboring Zn(Ⅱ) ions, leading to an 1D zigzag chain architecture. The adjacent chains are further linked by bib to form an infinite 2D network structure. The fluorescence spectrum of 1 exhibits intense emission at 436 nm when excited at 380 nm in solid state at room temperature. CCDC: 748259.     

二维网状铜(Ⅱ)配合物的合成及晶体结构表征

A Cu(Ⅱ) complex [Cu(L)_1.5(OSO₃)]·3H₂O (1) [L=1,4-bis(imidazol-1-yl)benzene] was synthesized by reaction of ligand L with CuSO₄·5H₂O using solvothermal method and its structure was determined by X-ray crystal structure analysis. The structure indicates that the complex crystallizes in triclinic, space group P1 with a=0.948 8(2), b=1.078 5(2), c=1.108 4(2) nm, α=74.820(2), β=81.331(2), γ=72.638(2)°, V=1.041 5(3) nm³, Z=2, D_calc=1.687 g·cm^-3, F(000)=544, μ=1.205 cm^-1, the final R=0.062 3 and wR=0.132 8. The Cu(Ⅱ) atom has distorted square-pyramidal environment with a N₃O₂ donor set. Each L ligand links two Cu(Ⅱ) atoms using its imidazole groups to form an infinite one-dimensional (1D) ladder-like chain, which further linked by SO₄^2- to form a two-dimensional (2D) network structure. The 2D sheets are further connected by C-H…O hydrogen bonds to give a three-dimensional (3D) structure. CCDC: 650388.     

2，9，16，23-四羧基酞菁钴(Ⅱ)与硫醇、硫酚配位反应的热力学研究

我们研究了2,9,16,23-四羧基酞菁钴(Ⅱ)与硫醇(2-巯基乙醇)、硫酚(苯硫酚)轴向配位反应的热力学性质,发现了配位过程中中心离子钴由二价变为一价的现象。用紫外-可见分光光度法和Miller-Dorough数据处理方法,确定了体系的配位数和平衡常数;利用温度系数法求得了体系的Δ_rH^?_m, Δ_rS^?_m。探讨了温度对反     

水杨醛缩对氨基苯磺酸Ca(Ⅱ)配合物的合成和晶体结构

The title complex Ca(L)₂(H₂O)₅ [HL=salicylaldehyde-4-aminobenzene sulfonic acid] was synthesized by the reaction of calcium perchlorate with salicylaldehyde-4-aminobenzene sulfonic acid in the CH₃CH₂OH/H₂O. It was characterized by elemental analysis， IR and X-ray diffraction single crystal structure analysis. The crystal of the title complex [Ca(H₂O)₅(C₁₃H₁₀NO₄S)₂] belongs to orthorhombic， space group Pca2₁ with a=1.162 47(18) nm， b=0.725 91(10) nm， c=3.516 3(3) nm， V=2.967 3(7) nm³， Z=4， D_c=1.528 Mg·m^-3， μ=4.22 mm^-1， F(000)=1 424， and final R₁=0.044 2， wR₂=0.098 3. The complex comprises a seven-coordinated calcium(Ⅱ) center， with a O₇ distorted pengonal bipyramidal coordination environment. The molecules are connected by hydrogen bonds to form two dimensional layered structure. CCDC: 658852.     

锌(Ⅱ)配合物Zn(2-PMBBA)2(Phen)的合成、电化学、磁性及荧光性能研究

以2-(对甲基苯甲酰基)苯甲酸(2-PMBBA)和1,10-邻菲啰啉(Phen)为配体合成了一个新的锌(Ⅱ)配合物Zn(2-PMBBA)₂(Phen)。该配合物晶体属正交晶系,空间群Pccn,晶胞参数:a=1.3716(4)nm,b=1.3368(4)nm,c=1.9287(5)nm,V=3.5364(17)nm³,D_c=1.360g·cm^-3,Z=4,μ(MoKα)=0.746mm^-1,F(000)=1496,最终偏离因子R₁=0.0358,wR₂=0.0861。在标题配合物中,中心锌(Ⅱ)离子的配位数是4,处于变形的四面体配位环境中,这是不多见的。本工作还测定了标题配合物的电化学、磁性及荧光性能。结果表明:循环伏安过程中,配合物的电子转移是不可逆的,对应的电极反应是Zn(Ⅱ)/Zn(0);在300~7K,配合物有抗磁性;当激发波长为224nm时,配合物在450和472nm处有强的荧光发射峰。