Synthesis and Crystal Structure of a Dinuclear Cu(Ⅱ) Complex [Cu(C_(13)H_9N_2O)Cl]_2·(CH_3CN)_2 with Ligand 2-Benzimidazol

A new dinuclear copper complex, [Cu(C13H9N2O)Cl]2·(CH3CN)2 (C30H24Cl2Cu2N6O2), has been synthesized and characterized by X-ray structure determination. It crystallizes in the tricli- nic system, space group P1, with a = 7.6677(14), b = 9.2375(17), c = 11.227(2) , α = 81.338(3), β = 88.173(4), γ = 66.199(3)o, V = 718.9(2) 3, Z = 1, Mr = 698.53, F(000) = 354, Dc = 1.613 g/cm3, μ(MoKα) = 1.705 mm-1, the final R = 0.0645 and wR = 0.1364 for 2474 unique reflections with 1809 observed ones (I > 2σ(I)). In the title complex, each copper(II) atom is located at the center of a distorted tetrahedron consisting of four coordinate atoms (one nitrogen atom, two oxygen anions, and one chlorine atom). Two copper(II) atoms are bridged by two oxygen anions (O(1) and O(1a)) of two phenolates to form a Cu(II)–Cu(II) binuclear entity, and the distance between two copper(II) atoms is 3.0144(15) .     

Synthesis and Crystal Structure of Dinuclear Copper(Ⅱ)Complex Cu_2(μ-PhCOO)_4(amet)_2·2CH_3COCH_3

1INTRODUCT1ONFormode1ingcompoundsofcertaincopper-containingenzymes,theinvestigationofdinuclearcoppercomplexeshasattractedtheattentionofinorganicandbiologicchemistst1i.Actingasoxygentransportproteinsforinvertebrates,oxyhemocyanin(oxyHc)hasadinuclearcoppersitewithaCu-Cuseparationofca.3.6A[2'3i(Fig.1).In1984,Karlinetal-[4ireportedthesynthesisofadinuclearcopper(I)com-plexwithabidentateligand.Thecomplexreactswithdioxygenquasireversibly,whichproducesaperoxodinuclearcopper(I)complex(Nallo=8O3…     

Structure of 〔Pyridine(tris(2-aminothylamine〕copper(Ⅱ) Diperchlorate 〔Cu(C_6H_(18)N_4)(C_5H_5N)〕(ClO_4)_2

1INTRoDUCTIONInvestigationsofthecoordinationchemistryofcopper(I)continuebeingstimu-latedbyinterestindevelopingmodelsforcopperproteinandinunderstandingthefac-torswhichgivetotheseeminglyinfiniteverityofdistortionformregularstereo-chemistryobservedinCu(U)comp1exest"23.Duetotheuniquecoordinationpolyhe-dron,importanceinbiochemistryandtheireaseofpreparation,tripodalcopper(I)complexeshaveattractedmucha!tentioninadditiontotheirspecialchemicalphysicsandstructureproperties.Wereportherethesynthesis…     

Synthesis and Crystal Structure of Complex [Pb(qina)_2(DMSO)]·H_2O

A novel complex [Pb(qina)2(DMSO)]·H2O was synthesized,of which qina-is the quinaldic acid radical and DMSO the dimethyl sulfoxide. Elemental analysis,IR spectra,and X-ray single-crystal diffraction were carried out to determine the composition and crystal structure. This complex belongs to monoclinic system,space group P121/n1,with a=7.1553(17),b=17.543(2),c=17.306(2) ,β=91.671(4)°,C22H20N2O6PbS,Mr=647.65,Z=4,V=2171.5(6) 3,Dc=1.981 g/cm3,μ=7.908 mm-1,F(000)=1248,–9≤h≤6,–23≤k≤19,–22≤l≤22,R=0.0221 and wR= 0.0488. Weak coordinate bond is formed between oxygen atom in DMSO and Pb(Ⅱ ) . There are also weak interactions,such as π-π interaction,hydrogen bonds and so on,among the complex molecules.     

Synthesis and Crystal Structure of a New Copper(II) Complex with 4-Cyanobenzoic Acid

1 INTRODUCTION Exploration on the syntheses and properties of car- boxylate complexes, especially aromatic carboxylate complexes, has always been a fascinating and chal- lenging research field for decades either in coor- dination chemistry or in functional materials[1, 2]. Cy- anobenzoic acid (Hcba) possessing two functional coordination groups should display structural diver- sities on the formation of complexes[3～15]. In particu- lar, the copper(II) carboxylate complexes bearing spe- …     

Synthesis and Crystal Structure of a Cyano-bridged Bimetallic Complex:[NdFe(CN)_6(DMF)_4(H_2O)_3]H_2O

1 INTRODUCTION In recent years, cyano-bridged heterometallic coordination compounds have inspired remarkable attention due to their rich and interesting structures and magnetic behaviors. However, these studies were mainly focused on the transition metals. Although several unusual cyanide bridging lanthanide-transition metal complexes have been re- ported[1～6], this field continuously possesses tre- mendous researching potentialities. As regardsPrussian Blue lanthanide complex, divers…     

Synthesis and Crystal Structure of a New Praseodymium(Ⅲ)-Copper(Ⅱ) Polymeric Complex:〔Pr_2Cu_3(L~1)_6〕_n(H_2L~1=NH｛CH_2COOH｝_2)

ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｓｙｎｔｈｅｓｉｓｏｆｐｏｌｙｎｕｃｌｅａｒｃｏｐｐｅｒ ｌａｎｔｈａｎｏｉｄｃｏｍｐｌｅｘｅｓｉｓｏｆｓｐｅｃｉａｌｉｎｔｅｒｅｓｔｆｏｒｓｅｖ ｅｒａｌｒｅａｓｏｎｓ〔１－４〕．Ｔｈｅｓｅｃｏｍｐｌｅｘｅｓａｒｅｉｍ...     

Synthesis and Crystal Structure of Bis（barbiturato） triwater Complex of Copper（Ⅱ）

1 INTRODUCTION A variety of transition metal complexes with barbiturates have been prepared owing to their important roles in clinical detection and identi- fication of drug[1～5]. They have the general formula of M(Ⅱ)(barb)2L2, where M is a transition metal (Co, Cr, Zn, Cu etc), barb the anion of a substituted barbituratic acid and L an organic base, usually pyridine. In these complexes, the donor atom in the barbiturate anion is a deprotonated nitrogen atom and, the coordination …     

Synthesis and Crystal Structure of Copper(Ⅱ) Compound with Didentate Schiff-base Ligand

1INTRODUCTIONTransitionmetalcomplexesofSchiff-baseligandswhichbindtwoormoremetalcentersincloseproximityareimportantaspotentialcatalysts[1]andasmodelsforanumberofmetalloproteins[2]duetotheopportunitytheyprovidefortheinvesti-gationofmagneticinteractions.The…     

Synthesis and Crystal Structure of [{Cd(hmbdc)(H_2O)_3}·2H_2O]_n

A novel coordination polymer [{Cd(hmbdc)(H2O)3}·2H2O]n (hmbdc = 5-hydroxy- isophthalic acid) has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P21/c, with a = 9.599(3), b = 18.699(5), c = 7.557(2) , β = 108.198(4)°, V = 1288.6(6) 3, Z = 4, Mr = 382.60, Dc = 1.972 g/cm3, F(000) = 760, μ = 1.740, the final R = 0.0555 and wR = 0.0995 for 1732 observed reflections with I > 2σ(I). The structural analysis shows that the intermolecular hydrogen bonds and π-π interactions result in a three-dimensional supramolecular framework.     

Hydrothermal Synthesis and Structure of a Copper(II) Complex, [Cu(4,4''''bpy)(H_2O)_3]SO_42H_2O

1 INTRODUCTION Recently, there has been increasing interest in crystal engineering of supramolecular architectures by means of covalent bonding, hydrogen bonding or other weak intermolecular interactions[1, 2], which reflect their potential applications in host-guest che- mistry, catalysis and function materials[3～5]. The construction of such materials is mainly provided by geometry of transition metal extending through rigid ligands. The oxidation state and coordination predisposition …     

[Cu(Phen)_3][DTB]·6H_2O的合成与晶体结构

利用螯合配体1,10-邻菲咯啉(Phen)与2,2′-二硫代二苯甲酸(H2DTB)的钠盐及氢氧化铜反应合成了一种新型配合物[Cu(Phen)3][DTB].6H2O,通过元素分析、红外光谱和X射线单晶衍射等技术对其进行了表征.配合物属单斜晶系,空间群P2(1)/c,晶胞参数:a=1.822(2)nm,b=3.053(4)nm,c=2.016(3)nm,α=90°,β=106.28(4)°,γ=90°,Z=8,V=10.762(25)nm3,Dc=1.255 g/cm3,Mr=1016.57.该配合物晶体结构由配阳离子[Cu(Phen)3]2+和未配位的反荷阴离子[DTB]2-和晶格水分子组成.每个Cu(Ⅱ)原子与来自三个Phen的6个N原子配位,形成畸变的八面体结构单元.     

[Ni(C_5H_5N)_2(C_7·H_6O_2N)_2]H_2O三元配合物的合成及晶体结构

合成了标题化合物。该化合物的分子式[Ni(C5H5N)2(C7H6O2N)2]H2O(C24H24N4NiO3),分子量475.18,采用单色的MoKα (λ = 0.71073 )射线测定,共收集7408个数据,其中独立衍射点2567个(Rint = 0.0272),I > 2s(I)可观测点数1926个,结果表明该化合物属单斜晶系, 空间群C2/c其晶胞参数为: a = 14.466(2),b = 12.193(2),c = 14.072(2) ;β = 116.229(2)°,V = 2226.6(5) 3,Z = 4,Dc = 1.418 g/cm3 ,μ = 0.905 mm-1,F(000) = 992. 2个水杨醛亚胺各提供2个配位原子参与配位,2个吡啶各提供1个配位原子参与配位,该配合物是六配位的八面体构型,同时讨论了该体系中不同配位原子的配位能力的差异。     

Synthesis and Crystal Structure of Dinuclear Copper Complex[Cu（CH2O（C6H4）N=C（C6H4）O）（Py]2

1 INTRODUCTION Synthesis of transition metal complexes with Schiff-base has been a subject of considerable importance [1,2]. They are not only good complexing agents for Schiff-base, but also good bactericide and antitumour agent [3,4]. At present, there is a spectacular growth in this field. Recently, some bridged binuclear complexes have received much attention on account of their biological relevance and condensed-phase magnetic properties[5,6]. Especially, the complexes containin…     

4-羟基吡啶-2,6-二甲酸铽配合物的制备及其晶体结构

以丙酮和草酸二乙酯为原料 ,经过 3步反应合成了 4 羟基吡啶 2 ,6 二甲酸 (HDPA)。HDPA与硝酸铽在水溶液中反应 ,得到标题配合物 ;用X射线衍射法确定其晶体结构 ,分子式为Na3Tb(HDPA) 3·9H2 O ,属三斜晶系P 1空间群 ;晶胞参数 :a =1.10 3 9(5 )nm ,b =1.2 3 83(3 )nm ,c =1.42 5 3 (8)nm ,α =96.10° ,β =10 9.14°,γ =92 .810 (10 )° ,V =1.82 2 9(14 )nm3;Z =2 ;Dc=1.64 4g·cm- 3;μ =2 0 2 1mm- 1 ,R =0 .0 3 74,wR =0 .0 994。配合物较相应配位体吸收带变宽 (2 10～ 3 40nm) ,吸收峰位置出现明显红移 ,而且摩尔吸光系数都有所增加。 4 羟基吡啶 2 ,6 二甲酸铽配合物有很强的黄绿色特征荧光 ,荧光峰 491,5 43 ,5 82 ,62 0nm分别属于 5D4 →7F6 ,5D4 →7F5,5D4 →7F4 ,5D4 →7F3,发射带中最强的是 5D4 →7F5。     

Synthesis and Crystal Structure of [VO2（C17H11N3O2） ] [VO （C4H13N3）（C6H5N3O） ]（C2H5OH）

The reaction of VO（acac）2 with 2-hydroxyl-1-naphthaldehyde isonicotinyl hydrazone and amines （ethylenediamine or diethylenetriamine） in CH3OH yields crystals of novel vanadium compounds characterized by IR, NMR spectroscopic methods and X-ray single-crystal structure determination. Two different vanadium units exist in the crystal cell of [VO2（C17H11N3O2）][VO- （C4H13N3）（C6H5N3O）]（C2H5OH） which crystallizes in the triclinic system, space group P1 with a = 8.0104（17）, b = 13.898（3）, c = 14.955（3）A, α = 89.103（4）, β = 79.551（4）, γ = 78.352（4）°, V = 1603.3（6）A^3, Mr = 723.54, Dc = 1.499 g/cm^3, Z = 2, λ（MoKα） = 0.71073 ]A,μ= 0.644 mm^-1, F（000） = 748, the final R = 0.0547 and wR = 0.0997 for 8920 observed reflections with I 〉 2σ（I）. According to structure analysis, two different molecules are arranged in the lattice and the two vanadium atoms adopt octahedral and square pyramidal coordination geometries, respectively. The interactions between DNA and vanadium complexes have been investigated by UV-Vis absorption spectro- photometry.     

4－氨基－3，5－二甲基－1，2，4－三唑水杨亚胺合铜〔Ⅱ〕配合物合成及其单晶结构

４－氨基－３，５－二甲基－１，２，４－三唑（ＴＺ）与水杨醛缩合形成４－（邻羟苯基亚甲基）－亚胺－３，５－二甲基－１，２，４－三唑Ｓｃｈｉｆｆ碱（ＳＡＴＺ），该Ｓｃｈｉｆｆ碱与Ｃｕ（ＣｌＯ＿４）＿２·６Ｈ＿２Ｏ形成配合物Ｃｕ（ｓａｔｚ）＿２·６Ｈ＿２Ｏ，分子式为Ｃ＿（２２）Ｈ＿（２２）ＣｕＮ＿８Ｏ＿２·６Ｈ＿２Ｏ。经Ｘ射线晶体结构分析表明，晶体属于单斜晶系，空间群Ｐ２＿１／ｃ，Ｚ＝２，α＝８．２０２（１），ｂ＝１９．５６９（４），ｃ＝８．９７２（８）Ａ，β＝１０７．７２°（２），Ｖ＝１３７１．８（５）Ａ３，Ｄｃ＝１．４６ｇ／ｃｍ￣３，μ＝０．８５３ｍｍ￣（－１），Ｆ（０００）＝６３０，Ｒ＝０．０５１，Ｒ＿ｗ＝０．０６２。分子中２个偶氮甲碱（－Ｃ＝Ｎ－）中　　　的Ｎ原子及２个酚氧原子与中心Ｃｕ原子形成规则的菱形平面结构。     

配合物Nd(C7H7N2O2)3(H2O)3的合成及其晶体结构

用水热法合成了3,5-二氨基苯甲酸与Nd(Ⅲ)的配合物Nd(C7H7N2O2)3(H2O)3(1),其结构经IR,元素分析和X-射线单晶衍射仪表征。1为单核结构,属六方晶系,R3空间群,晶胞参数:a=1.887 29(18)nm,b=1.887 29(18)nm,c=0.603 53(12)nm,β=90,°γ=120°,V=1.861 7(4)nm3,Z=3,μ=2.154 mm-1,Dc=1.744 g.cm-3,R1=0.014 3,wR2=0.033 2。1中Nd(Ⅲ)与来自3个3,5-二氨基苯甲酸的6个氧原子及3个配位水的氧原子进行配位,形成9配位化合物。     

新型电荷转移复合物(BEDT-TTF)4·H2O·Fe(C2O3)3·C6H5NO2的合成、结构与物理性质

导电性的电荷转移复合物（盐）由于其特殊的物理性质和潜在的应用前景，近年来得到广泛研究［１，２］．导电电荷转移复合物主要包括基于Ｍ（ｄｍｉｔ）２（ｄｍｉｔ＝１，３－二硫－２－硫酮－４，５－二硫醇盐）阴离子自由基［３～５］和ＢＥＤＴ－ＴＴＦ（乙二硫撑四硫...     

一个新的钴磷酸盐配合物Co(μ3-O3P)·H2O的合成与晶体结构

0引言 众所周知,天然硅铝酸盐沸石在选择性催化和气体分离方面具有重要的商业用途,具有类似结构的金属磷酸化合物作为潜在的吸附与离子交换材料、选择性催化剂和传感器等方面的应用性能正在引起人们的重视,因此模拟天然沸石结构、定向合成具有某种特定用途的金属磷酸化合物已引起人们的浓厚研究兴趣[1].