四氯合钯(Ⅱ)酸双{[4-溴-2，6-二(N，N-二乙基氨基亚甲基)吡啶基]氯化钯(Ⅱ)}的合成及晶体结构

A palladium（Ⅱ） complex, [PdLCl]2· [PdCl4], [L=4-bromo-2,6-bis（N,N-diethylaminomethylene）pyridine], was synthesized and its crystal structure was determined by X-ray analysis. The complex crystallizes in monoclinic system with space group Cc, a=0.845 1（17） nm, b=1.836 5（4） nm, c=2.715 8（5） nm,β=93.99（3）°, V=4.204 8（15） nm^3, Z=4, R,=0.037 7 and wR2=0.076 9. The coordination geometry of the Pd atom in the cation is a slightly distorted square planar, with one pyridyl N and two N atoms of the diethylamine ligand, together with one Cl atom. The dihedral angle between the square planar （N3PdCl） and the pyridyl ring is 10.3（4）°. CCDC： 623421.     

以异烟酰胺吡啶基异酞酸为配体的二维铕配合物的合成、晶体结构和荧光性质

标题化合物{[Eu(L)(HL)]·2H₂O}_n是由Eu(NO₃)₃·6H₂O、5-异烟酰胺吡啶基异酞酸(H₂L)、经水热反应得到。采用元素分析、IR及X-射线衍射法对该配合物进行了表征。晶体结构测试表明：晶体属于单斜晶系,空间群P2₁/c,晶胞参数为：a=1.344 02(18) nm,b=1.377 50(18) nm,c=1.623 07(15) nm,β=115.820(8)°,V=2.704 9(6) nm³,Z=4,M_r=757.45,D_c=1.860 g·cm^-3,μ=2.396 mm^-1,F(000)=1 504,R_int=0.051 4,R₁=0.032 2,wR₂=0.089 1。配合物的中心铕离子是八配位稍变形的双帽三棱柱结构,5-异烟酰胺吡啶基异酞酸将配合物桥联成二维双层结构。     

二维网状Pd(Ⅱ)配合物的合成、晶体结构及电化学性质(英文)

A novel palladium(Ⅱ) complex [Pd(H2bpdc)Ala]Cl·3H2O (where H2bpdc is 2,2′-bipyridine-3,3′-dicar- boxylic acid and Ala is L-alanine) has been synthesized and characterized by IR spectra and elemental analysis. The crystal structure of the complex has been determined by single-crystal X-ray diffraction analysis. It crystallizes in triclinic system, space group P1 with a=0.685 5(2) nm, b=0.988 4(4) nm, c=1.349 6(4) nm, α=98.375(8)°, β= 97.900(15)°, γ=90.118(15)°, V=0.895 9(5) nm3, Z=2. In the molecule, Pd(Ⅱ) atom is four-coordinated and located at the centre of a planar quadrangle. The complex is assembled via intramolecular π-π stacking interactions and hydrogen bonds, which forms 2D network. The cyclic voltammetric behavior of the complex was also investigated.     

4，6-二甲基-2-巯基嘧啶乙酸·邻菲咯啉双核铜配合物的合成及晶体结构

合成了标题化合物[Cu2（phen）2（C8H9N2O2S）（H2O）（OH）]·（ClO4）2,用元素分析和X射线单晶衍射法对其进行了表征和结构分析．该化合物为单斜晶系,空间群：P2（1）．晶胞参数a=8．2295（7）nm,b=18．0274（15）nm,c=24．5459（19）nm,β=96．240（2）°,V=3620．0（5）nm^2,Z=4,Dc=1．686g／cm^3,Mr=918．64,F（000）=1864,μ（Mo—Kα）=1．452mm^-1,R1=0．1091,ωR2=0．1380．两个铜原子通过来自羟基的氧、水分子和4,6-二甲基-2-巯基嘧啶乙酸根桥连．2个铜原子的配位环境基本相同,都具有5配位扭曲的四方锥构型,Cu…Cu之间的距离为0．30189（8）nm．     

铜配合物[CuL_2Cl_2]·4H_2O的合成和晶体结构(L=3-乙基-4-对甲氧苯基-5-(2-吡啶基)-1,2,4-三氮唑)

A new copper(Ⅱ)complex,[CuL_2Cl_2]·4H_2O,[L=3-ethyl-4-(p-methoxyphenyl)-5-(2-pyridyl)-1,2,4-triazole],was synthesized and characterized by X-ray crystallography and infrared spectroscopy.The complex crystallizes in triclinic system with space group P(1),α=0.843 9(7)nm,b=0.965 5(8)nm,c=1.093 6(8)nm,α=84.026(19)°,β=82.33(2)°,γ=89.167(19)°,V=0.878 3(12)nm~3,Z=1 with final R=0.033 8.The copper atom lies in a distorted octahedral environment with two bidentate chelating ligands(L)in the equatorial plane and two Cl~- ions in the axial positions.The ligand L coordinates via one triazole nitrogen and one pyridine nitrogen atom.The molecules are stabilized by intermolecular hydrogen bonds in the crystal lattice.CCDC:705817.     

Synthesis of novel acyclonucleosides. Reactions of 1-(2-oxopropyl)pyridazin-6-ones

Multi-substituted-1-(1-bromo-2-oxopropyl)pyridazin-6-ones 3, 4 , multi-substituted-1-(1,1-dibromo-2-oxopropyl)pyridazin-6-ones 7, 8 , and multi-substituted-1-(3-bromo-2-oxopropyl)pyridazin-6-ones 5, 6 were synthesized from the corresponding 1-(2-oxopropyl)pyridazin-6-ones 1, 2 by the selective bromination in acidic or neutral medium. And treatment of 1,1-dibromo-2-oxopropyl derivatives 7, 8 with aqueous potassium carbonate gave the corresponding pyridazin-6-ones 9, 10 by the dealkylation. Reaction of 1 with methanolic potassium cyanide afforded only the corresponding 4-methoxy derivative 11 , whereas reaction of 2 with methanolic potassium cyanide gave 4-methoxy derivative 12 and 2-cyano-2-hydroxypropyl derivative 13 . Reaction of 1 and 2 with hydroxylamine in methanol afforded the corresponding syn-2-hydroxyiminopropyl derivatives 14 and 15 .     

Characterization and Crystal Structure of Bis(N''-ethyl-N-piperazinly-carbodithioato-S ,S '') Nickel(Ⅱ) Complex: Ni(S2CNC4H8NC2H5)2

The title compound has been prepared and characterized by elemental analysis,infrared and FT-Raman spectra, and thermal analysis. The crystal and molecular structures of bis(N'-ethyl-N-piperazinly-carbodithioato-S,S') nickel(Ⅱ) complex (Ni(S2CNC4H8NC2H5)2) were determined by X-ray diffraction methods. The crystal crystallizes in the triclinic system, space group P1 with a = 0.66770(15), b = 0.85066(12), c = 0.8973(2) nm, α = 84.97(2), β =78.71 (2), γ =80.12(2)°, Mr = 437.34, V = 0.49160(17) nm3, Z = 1, Dc = 1.477 g/cm3, F(000) = 230, R = 0.0422and wR = 0.1290. In the structure, the central Ni atom is coordinated in a slightly distorted square plane by four S atoms from two bidentate S2CNC4H8NC2H5 ligands with the four Ni-S bond distances in the range of 0.22065(10)～0.22076(9) nm. The IR and FT-Raman spectral data are in agreement with the structural data. Thermal analysis indicates that the title compound decomposes completely at the temperature of 799.88 ℃, leaving NiS.     

含硫镍金属镍配合物[Ni(C13H7Br2NOS)2(DMF)]·(C3H7O)的合成与晶体结构

The complex, Ni[(C₁₃H₇Br₂NOS)₂(DMF)]·(C₃H₇O) (DMF=N,N′-dimethylformamide), was synthesized and characterized by the element analysis, IR and X-ray diffraction single crystal structure determination. The title complex crystallizes in monoclinic system, space group P2₁/n, with a=8.297 6(15) nm, b=12.866(2) nm, c=31.889(3) nm, β=95.024(2)°, and V=3 391.3(9) nm³, Z=4, R=0.075 2, wR=0.176 8. The nickel iron is six-coordinated by three O atoms, two N atoms, one S from the Schiff base and one O atom from DMF ligand, forming a octahedron coordination geometry. Schiff bases are bridged by the two S atoms. The molecules in the crystal are linked through intermolecular Br…Br, C-H…O, S…Br interactions. Its electrochemical property is reported. CCDC: 675768.     

基于2,4,6-吡啶三羧酸配体桥连的铁(Ⅱ)/镍(Ⅱ)配位聚合物的水热合成及结构表征

在水热反应条件下FeCl₂·6H₂O、2,4,6-吡啶三羧酸(H₃pyta)和NaOH反应合成了1种一维链状铁配位聚合物[Fe₃(pyta)₂(H₂O)₈] (1);同样条件下Ni(OAc)₂·4H₂O、2,4,6-吡啶三羧酸(H₃pyta)、NaOH和4-氨基-3,5-二(4-吡啶基)-1,2,4-三氮唑(abpt)反应合成了1种二维网状镍配合物[Ni₃(pyta)₂(abpt)₂(H₂O)₃]·2H₂O (2)。通过元素分析和红外光谱对这2个配位聚合物进行了表征。单晶结构表明：配合物1的晶体属于单斜晶系,Cc空间群;配合物2的晶体属于单斜晶系,P2₁/c空间群。在配合物1中,pyta^3-配体采取μ₂-和μ₄-pyta^3- 2种桥连模式将Fe原子连成了沿c轴方向延伸的Fe-pyta链。而在配合物2中,pyta^3-配体仅采取μ₂-桥连模式将Ni原子连成线型三核[Ni₃(pyta)₂]单元,这些三核单元进一步通过abpt辅助配体桥连成二维 (4,4)层状结构。     

2-(1H-1,2,4-三氮唑)乙酸Cu(Ⅱ)配合物的水热合成、晶体结构及性质

A copper(Ⅱ) complex [CuL2] [L=2-(1H-1,2,4-triazol-1-yl)acetic acid] has been synthesized by means of hydrothermal method, and characterized by elemental analysis, IR spectra and X-ray diffraction. Crystal data for this complex: monoclinic, space group P21/n, a=0.481 3(2) nm, b=1.151 1(6) nm, c=0.993 9(5) nm, β=100.528(8)°, V=0.541 4(5) nm3, Z=2, F(000)=318, Dc=1.937 g·cm-3, Final GooF=1.109, R1=0.027 6, wR2=0.075 6. The crystal structure shows the copper(Ⅱ) atom is six-coordinated by two triazole nitrogen atom and four carboxylate group oxygen atom from four distinct L- ligand, thereby forming a 2D network structure. The cyclic voltammetric behavior of the complex was described.     

Characterization and Crystal Structure of Bis(N'-ethyl-N-piperazinly-carbodithioato-S,S') Nickel(II) Complex:Ni(S_2CNC_4H_8NC_2H_5)_2

1 INTRODUCTION The ability of dialkyldithiocarbamate anion, -S2- CNR2 (dtc) ligand, to bind metal has been known for many years[1, 2]. It forms a chelate with virtually all transition elements and is proven to be a versatile chelating agent for the separation and extract of metals in analytical chemistry and mineral floa- ting[3～5]. Water soluble dialkyldithiocarbamate com- plexes have been tested in various medical appli- cations[6]. Some of substituted dithiocarbamate salts also show …     

含有微孔结构的吡啶二羧酸金属锰配位聚合物(英文)

<正>0 Introduction The realm of crystal engineering has provided a sound junction between aesthetics of crystalline architectures[1-2]and their potential functions[3-4],of which the ultimate destination is to successfully achieve     

镓的席夫碱配合物的合成及晶体结构

在无水无氧条件下,合成了3个镓的席夫碱配合物GaCl3(C13H11NO)(1)、GaCl3(C14H13NO2)(2)和GaCl3(C13H9ClNO)(3),对它们进行了元素分析、核磁共振、红外光谱等表征,并用X射线衍射测定了配合物的单晶结构。各配合物配位方式均为配体中酚羟基氧原子与中心镓原子配位,在空间上形成畸变的四面体结构。配合物1属于正交晶系,Pnma空间群,晶胞参数:a=1.3295(3)nm,b=0.70115(16)nm,c=1.6164(4)nm,V=1.5068(6)nm3,Z=4,F(000)=744,R1=0.0295,wR2=0.0651。配合物依靠分子间的氢键作用进一步联结成二维网状结构。配合物2属于单斜晶系,P21/n空间群,晶胞参数:a=0.71303(18)nm,b=1.7153(4)nm,c=1.3503(4)nm,β=91.891(5)°,V=1.6507(7)nm3,Z=4,F(000)=808,R1=0.0443,wR2=0.0988。配合物依靠分子间的氢键作用进一步联结成二维网状结构。配合物3属于三斜晶系,P1空间群,晶胞参数:a=0.6986(2)nm,b=1.0449(4)nm,c=1.1369(3)nm,α=78.58(3)°,β=81.06(2)°,γ=87.87(3)°,V=0.8036(5)nm3,Z=2,F(000)=402,R1=0.0515,wR2=0.1244。配合物依靠分子间的氢键作用进一步联结成二维网状结构。     

氢键构筑的二维网状结构镍配合物[Ni(en)2(dpas)2]的合成、晶体结构及电化学性质

A new 2D Hydrogen-bonded network complex [Ni(en)2(dpas)2] (Nadpas=sodium diphenylamine sulphonic acid salt,en=ethanediamine) has been synthesized in aqueous solution,and characterized by elemental analysis,IR. The crystal structure was determined by single-crystal X-ray diffraction. The complex crystallizes in space group P21/c,with cell parameters a=0.605 6(5)nm,b=1.448 1(5) nm,c=1.711 9(5)nm,β=93.257(5)°,and V=1.498 9(14) nm3,Dc=1.497 g·cm-3,Z=2,F (000)=708,R=0.027 7,wR=0.072 5. The crystal structure shows that the nickel atom is coordinated with four nitrogen atoms from the two en and two oxygen atoms from two dpas to form a mononuclear complex. Furthermore,the adjacent complex units are extended into a 2D supramolecular network through hydrogen bonds.     

含Br…π及Br…Br相互作用的1-溴-3，5-二(1-咪唑基-亚甲基)苯-镉(Ⅱ)配合物的合成和晶体结构

利用双齿含氮有机配体1-溴-3,5-二(1-咪唑基-亚甲基)苯(bib)与不同的镉盐反应合成了2个配合物[Cd(bib)₂(NO₃)₂] (1)和[Cd(bib)Br₂] (2)。利用元素分析及X-射线衍射单晶结构分析对其进行了表征。晶体结构表明标题化合物1晶体属于三斜晶系,P1 空间群。化合物2晶体属于单斜晶系,P2₁/c空间群。在化合物1中,一维链状结构通过Br…π相互作用连接成为二维网状结构;而化合物2的二维结构通过卤素…卤素相互作用形成一个三维结构。     

异烟酸与Ag(Ⅰ)及硅钨酸配位聚合物的合成与晶体结构

水热条件下,合成得到了异烟酸与Ag(Ⅰ)及硅钨酸所形成的配位聚合物[Ag12(L)8(H2O)5](SiW12O40).6H2O(1)(L=isonicotinate,异烟酸)。通过元素分析和红外光谱、紫外光谱、X-射线单晶衍射对其组成和结构进行了表征。晶体结构分析结果表明:该配合物属于单斜晶系,C2/m空间群;晶胞参数分别为a=1.259 5(2)nm,b=2.429 7(3)nm,c=1.825 7(3)nm,β=103.794(2)°,V=5.425 9(13)nm3,Z=2;异烟酸与Ag髣及硅钨酸形成具有微孔的三维结构配位聚合物,即硅钨酸离子通过静电作用连接异烟酸离子与Ag髣所形成的二维波浪式网格而形成三维结构。     

异亮氨酸铜的合成、表征及其对超氧化物的歧化活性

合成了配合物Cu(L-ile)2(H2O)(L-ile=异亮氨酸根),并通过元素分析、红外光谱和X射线单晶衍射对该配合物进行了表征.配合物晶体属正交晶系,空间群为P212121;晶胞参数:a=0.763 45(9)nm,b=0.944 36(11)nm,c=2.168 1(3)nm;V=1.563 1(3)nm3,Z=4,F(000)=724,Dc=1.453 Mg.m-3,μ=1.417 mm-1,R=0.025 5,wR=0.058 5.中心Cu(Ⅱ)离子与两个L-ile(N,O)配体和一个H2O(O)配体形成五配位的变形四方锥构型,分子间存在强烈的氢键作用,使配合物具有较高的稳定性.另外,实验结果表明该配合物在水溶液中具有显著的超氧化物歧化活性.     

The Novel Benzo-15-Crown-5 with Palladium(II) Complex:[Na(B15C5)]2[Pd(SCN)4]

A novel Pd(II) Benzo-15-crown-5 complex [Na(B15C5)]2[Pd(SCN)4] has been isolated and characterized by IR and X-ray diffraction analysis.The crystal structure belongs to monoclinic,space group P21/n with cell dimensions,a=1.0164(6),b=1.3743(3),c=1.4987(7) nm,b=95.248(6)o ,V=2.0847nm3,Z=2,F(000)=944,R=0.053,Rw=0.072.The compound consists of two [Na(B15C5)]+ complex cations and a [Pd(SCN)4]2- complex anion.Each sodium ion is coordinated by five crown ether oxygen atoms and one N atom from the SCN group of [Pd(SCN)4]2- to form stable neutral complex.     

Schiff碱(C_7H_7NO)钯(Ⅱ)配合物的合成与晶体结构

合成了N—H水杨醛Sch iff碱的钯(Ⅱ)配合物.X射线单晶衍射表明,配合物晶体属于单斜晶系,Pī空间群,分子式为C48H50N8O8Pd3,晶体学参数:a=0.945 8(19)nm,b=1.059 9(2)nm,c=1.396 5(3)nm,α=74.61(3),°β=75.18(3)°,γ=68.49(3)°,V=1.236(4)nm3,Dc=1.594 Mg/m3,Mr=1 186.16,Z=1,F(000)=596,R1=0.029 9,wR2=0.073 4.晶体结构表明,钯原子为四配位,位于配合物的中心与配体的氮原子和氧原子结合形成六元环.     

CRYSTAL STRUCTURE OF CYCLOOCTADIENYL POTASSIUM TE- TRAHYDROFURANATE ,C_8H_(11)K(OC_4H_8)_2

<正> The title compound, cyclooctadienyl potassium tetrahydrofuranate was prepared by the reaction of cycloocta-1,5-diene with metallic potassium in tetrahydrof u-ran(THF) in the presence of triethylamine. Its crystal structure was determined by a low temperature X-ray diffraction analysis method. The crystal is monoclinic with space group Pc,a=6. 192(3),b=9. 444(8),c=14. 543(1) A ,β=94. 92(5)°,V = 847. 24 A3,Z = 2,DC= 1. 14 g/cm3 and μ(MoKa) = 5. 58cm-1. The structure was solved by heavy-atom methods and refined by least-squares to a final R value of 0. 049. The potassium cations, each with two complex THF molecules attached,are linked by bridging cyclooctadienyl an-ions,while the anions are connected to the bridging cations to form a puckered chain.