混价四核铜(Ⅰ/Ⅱ)配合物[Cu_2L_2][Cu(pht)_2]_2的合成、晶体结构及性质研究

报道四核铜配合物[Cu_2L_2][Cu(pht) _2] _2 [Hpht:苯妥英,即5,5-二苯基-2,2咪唑烷酮;L:N-(3-氨基丙基)二乙醇胺]的溶剂热合成、晶体结构及其性质研究,该晶体属单斜晶系,P2_1/n空间群,晶胞参数:a=0.9240(1) nm,b=2.4559(2) nm,c=1.5572(2) nm,β=97.489(2)°, V=3.5035(7) nm~3,Dc= 1.499 Mg/m~3 (g/cm~3),2-2,F(000)=1636,μ=1.270 mm~(-1),R_1=0.0503,Wr_2=0.1135[I>2σ(1)],GOF=1.014. XPS结合X射线单晶结构分析,表明该配合物分子有混价铜组成,包括两个Cu(Ⅰ)和两个Cu(Ⅱ),其中每个Cu(Ⅰ)分别与两个苯妥英配体提供的氮原子配位,N-Cu(Ⅰ)-N的夹角为177.1°,每个Cu(Ⅱ)与L配体的五个配位原子配位(N_2O_3),形成一个稍变形四方锥结构,两个Cu(Ⅱ)通过N-(3-氨基丙基)二乙醇胺中的一个羟基氧桥连接形成双核阳离子,琼脂扩散法测试结果表明配合物、配体和铜盐对3种受试细菌均有一定的活性.配合物与DNA的相互作用测定研究表明,该配合物是以插入方式与小牛胸腺DNA结合.     

三核铜(I/II)配合物[Cu(en)2][Cu(pht)2]2的合成、晶体结构及与DNA相互作用的研究

报道了多核铜配合物[Cu(en)2]•[Cu(pht)2]2 (Hpht: 苯妥英, 即5,5-二苯基-2,2-咪唑烷酮; en: 乙二胺)的溶剂热合成、晶体结构及其与DNA的相互作用. 该晶体属三斜晶系, Pī空间群, 晶胞参数: a＝0.8453(2) nm, b＝1.1878(3) nm, c＝1.5674(4) nm, α＝101.197(3)°, β＝97.690(3)°, γ＝103.283(3)°, V＝1.476(6) nm 3, Dc＝1.480 g/cm3, Z＝1, F(000)＝679, µ＝1.139 mm－1, R1＝0.0402, wR2＝0.0962[I＞2σ(I)], GOF＝1.035. XPS和X射线单晶衍射数据显示该配合物分子由混价铜组成, 包括两个一价铜和一个二价铜, 其中每个Cu(I)分别与两个苯妥英配体提供的氮原子配位, N—Cu(I)—N的夹角为177°, 一个Cu(II)与六个配位原子配位(CuN4O2), 形成一个稍变形八面体结构. 配合物与DNA相互作用研究表明, 该配合物主要是以插入方式与小牛胸腺DNA结合.     

配合物[Cu(PTA)(phen)2]·(PTA)·(H2O)4的合成、晶体结构及电化学性质

The title complex has been synthesized by using terephthalic acid (PTA), 1,10-phenanthroline (phen) and copper monohydrate. It crystallizes in monoclinic space group C2/c with a=2.959 0(2) nm, b=1.466 4(10) nm, c=1.764 3(12) nm, β=105.593(11)°, V=7.372(9) nm³, Dc=1.489 g·cm^-3, Z=8, F(000)=3 416, R₁=0.043 6, wR₂= 0.151 9. The crystal structure shows that the copper atom is coordinated with four nitrogen atoms from two phens and one oxygen atom from one terephthalic acid, forming a distorted square-pyramid coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 277047.     

三核铜(Ⅰ/Ⅱ)配合物[Cu(en)_2]·[Cu(pht)_2]_2的合成、晶体结构及与DNA相互作用的研究

报道了多核铜配合物[Cu(en)_2]·[Cu(pht)_2]_2(Hpht:苯妥英,即5,5-二苯基-2,2-咪唑烷酮;en:乙二胺)的溶剂热合成、晶体结构及其与DNA的相互作用.该晶体属三斜晶系,P_1~-空间群,晶胞参数:a=0.8453(2)nm,b=1.1878(3)nm,c=1.5674(4)nm,a=101.197(3)°,β=97.690(3)°,γ=103.283(3)°,V=1.476(6)nm~3,D_c=1.480 g/cm~3,Z=1,F(000)=679,μ=1.139nm~(-1),R_1=0.0402,wR_2=0.0962[I>2σ(Ⅰ)],GOF=1.035.XPS和X射线单晶衍射数据显示该配合物分子由混价铜组成,包括两个一价铜和一个二价铜,其中每个Cu(Ⅰ)分别与两个苯妥英配体提供的氮原子配位,N-Cu(Ⅰ)-N的夹角为177°,一个Cu(Ⅱ)与六个配位原子配位(CuN_4O_2),形成一个稍变形八面体结构.配合物与DNA相互作用研究表明,该配合物主要是以插入方式与小牛胸腺DNA结合.     

四核铜配合物 [CuBrP(p-OCH_3Ph) _3]_4 ·1.5CH_3OH的合成和晶体结构

CuXP(p OCH3Ph) 3]4·1 .5CH3OH (X =Br,I)的合成和Cu4Br4C85.5H90 O1 3.5P4的晶体结构。该晶体属于三方晶系 ,空间群为R3,晶胞参数为 :a =2 3.959(2 ) ,c =2 6.376(4) ,γ =1 2 0 .0 0°,V =1 31 1 2 (3) 3,μ(MoKα) =2 .92 1mm- 1 ,Z =6,Dc=1 .543g .cm- 3,F(0 0 0 ) =61 62 ,R =0 .0 4 1 9,wR =0 .0 792 .可观察衍射点 471 3个 (I 2σ(I) )。该分子中 4个Cu原子和 4个Br原子构成立方烷结构 ,每个Cu与 3个Br原子 ,1个P(p OCH3Ph) 3中的P原子形成畸变四面体配位。     

配合物[Cu(o-ABA)2(2，2′-bipy)]·(H2O)的水热合成、晶体结构及电化学性质

The title complex has been synthesized by o-acetamidobenzoic acid and 2,2′-bipyridine(bipy) in the mixture solvent of water and methanol. It crystallizes(C₂₈H₂₆CuN₄O₇, M_r=594.07) in Triclinic space group P1 with a=0.805 3(4) nm, b=0.845 5(4) nm, c=2.001 8(9) nm; α=100.797(8)°, β=93.054(7)°, γ=97.297(7)°, V=1.323 9(10) nm³, D_c=1.490 g·cm^-3, Z=2, F(000)=614. R₁=0.035 9, wR₂=0.080 5. The crystal structure shows that the copper atom is coordinated with four oxygen atoms from two o-acetamidobenzoic acid and two nitrogen atoms from the 2,2′-bipyridine, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 619084.     

大环金属铜(II)、镍(II)配合物的模板合成与晶体结构

用模板法合成了1个大环金属铜(II)配合物[CuLCl₂]·3H₂O (1)和3个大环金属镍(II)配合物[NiLCl₂] (2)，[NiL](ClO₄)₂ (3)和[NiLH₂](ClO₄)₄ (4)(L=3,10-二乙基-1，3，5，8，10，12-六氮杂十四烷)，通过X-射线衍射单晶结构分析测定了它们的晶体结构。晶体结构显示：配合物1和2的金属离子与大环配体的4个氮原子及大环平面轴向的2个氯离子以八面体配位方式配位；配合物3和4的金属离子与大环配体的4个氮原子以平面正方形配位方式配位，配合物4的侧链氮原子的质子化导致侧链结构翻转，使得其侧链与大环平面共面。     

配合物Cu(3，5-DMBA)2(phen)的合成、晶体结构及电化学性质

A copper(Ⅱ) complex Cu(3，5-DMBA)₂(phen) has been synthesized by self-assembly of 3，5-dimethylbenzoic acid， 1，10-phenanthroline and copper perchlorate. Crystal data for this complex: Monoclinic， space group C2/c with a=2.348 3(5) nm， b=0.984 4(2) nm， c=1.138 4(2) nm， β=103.02(3)°， V=2.563 9(9) nm³， D_c=1.404 g·cm^-3， Z=4， F(000)=1 124， final GooF=1.051， R₁=0.035 0， wR₂=0.099 8. The crystal structure shows that the copper atom is coordinated with two oxygen atoms from two 3，5-dimethylbenzoic acids and two nitrogen atoms from the 1，10-phenanthroline， forming a square-planar structure. The result of the cyclic voltametric behavior analysis shows that the electron transfer in electrode reaction is quasi-reversible. CCDC: 650387.     

4-羧基苯氧乙酸铜配合物[Cu(CBOAH)2(H2O)2]的合成与晶体结构

合成了4-羧基苯氧乙酸铜配合物[Cu(CBOAH)2(H2O)2](CBOAH-为4-羧基苯氧乙酸根阴离子), 对其进行了IR、TG和单晶X-射线衍射等表征。晶体C18H18CuO12 属单斜晶系, 空间群C2/c, 晶胞参数a = 12.298(3), b = 7.380(1), c = 21.413(4) ? ?= 94.00(3), V = 1938.8(7) , Mr = 489.88, Z = 4, Dc = 1.678 g/cm3, ?= 1.194 mm-1, F(000) = 1004, 最终R = 0.0279, wR = 0.0535。2个不同配体的氧乙酸上的羧基氧原子和醚氧原子与铜原子配位, 并形成赤道平面, 2个轴向位置分别被2个水分子所占据, Cu(Ⅱ)离子具有八面体配位构型。热分析结果表明在220℃前配合物是稳定的。     

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.     

基于2,3-二羟基丁二酸新配位方式构建的新颖双U形四核铜配合物[Cu4(dhbd)2(dpphen)4•2H2O]•8H2O

利用水热法合成了标题配合物Cu₄(dhbd)₂(dpphen)₄•2H₂O]•8H₂O(H4dhbd＝2,3-二羟基丁二酸, dpphen＝4,7-二苯基-1,10-邻菲咯啉), 通过元素分析、红外光谱、热分析、X射线单晶衍射等技术对其进行了表征. 晶体结构分析表明, 由于水的配位阻断, 2,3-二羟基丁二酸根仅通过单羟基氧桥联两个U形双核亚单元形成具有一个对称中心的双U形四核结构, 其中U型亚单元包含晶体学上不对称的2个Cu(II)原子、1个2,3-二羟基丁二酸根(dhbd)、2个4,7-二苯基-1,10-邻菲咯啉(dpphen)和1个配位H₂O分子. 毗邻的四核单元通过配位H2O分子和配位羟基O原子形成的R₂²(8)型环形氢键桥的连接, 沿a轴方向构建了四核单元交替相连的一维超分子链; 链间籍苯环的π-π堆积作用和晶格水分子氢键链的连接进一步扩展为具有隧道的三维结构. 配合物中呈现了一种2,3-二羟基丁二酸与过渡金属配位的新方式. 变温磁化率研究表明标题配合物具有弱的反铁磁耦合作用.     

配合物[Cu(H2biim)2]Br2的合成和晶体结构

The complex [Cu(H₂biim)₂]Br₂ (H₂biim=2,2′-biimdazole) has been synthesized and structurally charac-terized. It crystallizes in the Monoclinic system, space group C2/c with a=1.422 5(4) nm, b=0.931 2(2) nm, c=1.343 1(3) nm, β=116.227(4)°, V=1.595 9(7) nm^-3, R₁=0.060 2, wR₂=0.152 8 and Z=4. The copper ion has a sligh-tly distorted square planar coordination configuration with four nitrogen atoms from two H₂biim ligands. The complex has a one-dimensional chain structure, which is formed by hydrogen bonds and semi-coordinate bonds. CCDC: 624679.     

配合物[Cd(NIT4Py)2][Au(CN)2]2的合成与晶体结构

A Cd(II)-nitronyl nitroxide radical complex with dicyanoaurate(I) bridges [Cd(NIT4Py)₂][Au(CN)₂]₂, was synthesized and characterized by elemental analyses, IR spectrum and X-ray diffraction single-crystal structure analysis. Crystal data for the complex: triclinic, space group P1, a=0.720 9(11) nm, b=0.960 3(15) nm, c=1.284(2) nm, α=75.38(2)°, β=85.46(2)°, γ=68.38(2)°, V=0.800(2) nm³, Z=1, and R₁ [I>2σ(I)]=0.055 8. The title complex consists of infinite one-dimensional chains of [Cd(NIT4Py)₂][Au(CN)₂]₂, in which [Cd(NIT4Py)₂] moieties are conne-cted by [Au(CN)₂]^- μ₂-bridging ligands. Each cadmium(II) ion is six-coordinated in a distorted and centrosymmetric octahedral environment. CCDC: 258357.     

混合价四核锰配合物[Mn4O2(ClCH2COO)7(bipy)2]•H2O的合成、晶体结构及性质研究

在乙腈溶液中, 由混合价三核锰配合物[Mn₃O(ClCH₂COO)₆(py)₂]•(H₂O) (py为吡啶)与2,2′-联吡啶(bipy)反应合成了混合价(Mn₃^IIIMn^II)四核锰配合物[Mn₄O₂(ClCH₂COO)₇(bipy)₂]•H₂O. 采用元素分析、红外光谱、热分析和X射线单晶衍射法确定了其组成和结构. 标题化合物晶体属于三斜晶系, 空间群P-1, 晶胞参数: a＝0.89854(13) nm, b＝1.4027(2) nm, c＝1.9037(3) nm, α＝93.518(3)°, β＝96.736(3)°, γ＝94.875(3)°, V＝2.3680(6) nm³, Z＝2, D_c＝1.734 g/cm³, F(000)＝1238, GOF＝1.036, R₁＝0.0592, wR₂＝0.1162 [I＞2σ(I)]. 在标题化合物中, 配位结构单元中心为一蝶型[Mn₄(μ₃-O)₂]^7＋多核簇, 含有2个Mn₃(μ₃-O)单元, 具有近似C₂对称轴. 4个Mn离子均为六配位, 外围配体为7个氯乙酸根和2个2,2′-联吡啶, 处于变形的八面体环境. 变温磁化率研究表明标题化合物在整体上表现为反铁磁性耦合作用, 但在低温下的磁相互作用较为复杂.     

配合物[Cu(CAM)(H2O)2]的水热合成与结构表征

A copper(II) complex [Cu(CAM)(H₂O)₂], (CAM=4-hydroxypyridine-2,6-dicarboxylic acid), has been hydr-othermally synthesized and characterized by elemental analysis, IR, and X-ray diffraction single crystal structure analysis. It belongs to triclinic system, with space group P1, a=0.783 3(3) nm, b=0.796 5(3) nm, c=0.798 6(3) nm, α=100.340(6)°, β=93.768(6)°, γ=109.348(5)°, V=0.458 3(3) nm³, Z=2. The copper(II) ion is 5-coordinated and exhi bits a distorted square pyramidal coordination environment. The two coordinated aqueous molecules and the oxygen atoms from the ligand generate the intermolecular hydrogen bonds, which result in the 2D supramolecular network. CCDC: 227156.     

Synthesis,Structure and Fluorescence of a Copper(II) Complex [Cu_2(bipy)_2(Hpht)_2Cl](Hpht)(bipy=2,2'-Bipyridine,H_2pht=o-Phthalic Acid)

1 INTRODUCTION o-Phthalic acid (H2pht) is a versatile ligand for co-ordinating to metal ions in various modes, such asmonodentate bonding through a carboxylic O atom[1],bidentate fashion via two carboxylic O atoms[2] andtriple coordination through its three carboxylic Oatoms[3], and bridging mode with two or four Oatoms of its carboxylate groups[4]. The coordinationproperties thus allow for the preparation of complex-es with a large variety of architectures, forming iso-lated mono-, di…     

[Ni(phen)2(3,5-DMBA)](m-MBA)2(H2O)2配合物的合成、晶体结构及电化学分析

The title complex of nickel (II) with 3,5-dimethylbenzoic acid, m-methylbenzoic acid and 1,10- phenanthroline was synthesized and characterized. Crystal data for this complex: triclinic, space group P1, a=1.198 5(2) nm, b=1.315 3(2) nm, c=1.531 8(3) nm, α=92.602(3)°, β=103.292(3)°, γ=114.849(3)°, V=2.104 7(6) nm³, D_c=1.361 g·cm^-3, Z=2, F(000)=902, final GooF=1.071, R₁=0.067 2, wR₂=0.155 5. The crystal structure shows that the nickel ion is coordinated with four nitrogen atoms of two 1,10-phenanthroline molecules and two oxygen atoms of one 3,5-dimethyl benzoic acid molecule, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex was also investigated. CCDC: 286966.     

[Cu(HDPC)2]·(HOx)2·6H2O的合成及晶体结构

The new complex formulated [CU(HDPC)₂]·(HOx)₂·6H₂O(HDPC^- is pyridine-2,6-dicarb-oxylate,Hoxis 8-Hydroxyquindine) 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 C2/c. a=18.423(3)Å, b=10.384(2)Å,c=19.139(2)Å, α=γ=90°, β=111.050(10)°, V=3417.0(9)ų, Z=4, D_c=1.544Mg·m^-3, μ=0.722mm^-1. In the crystal Cu(Ⅱ) ion is six coordinated to form a distorted octahedron.