Synthesis and Crystal Structure of a New Hexadentate Ligand N,N''''-Bis(di(2-pyridyl)methyl)ethylenediamine

1 INTRODUCTION The interest in the development of new poly- pyridine ligands derives from several respects. The formation of a stable complex that can be used as a model for the active sites presents in some metallo- proteins. The uncoordinated donor at…     

Synthesis and Crystal Structure of 1,4-Bis(2-hydroxymethylphenyl)-1,4-dioxabutane

1 INTRODUCTION Macrocyclic ligands and their metal complexes have received much attention due to their applications in ion transport, ion separation and as models in biomimic researches[1~7]. The synthetic methods of macrocyclic ligands and their metal complexes are mainly divided into three kinds[8]. The first one is synthesizing free ligand, then forming the metal complexes; the second is template synthesis; and the third is synthesizing the end-off or side-off precursor ligand, then c…     

(NO_2Ql)_2[Ni(mnt)_2]的合成和晶体结构((NO_2Ql)~ =1-(4-nitrobenzyl)-quilorinium;mnt~(2-)=maleonitriledithiolate)

合成了离子对配合物(NO2Ql)2犤Ni(mnt)2犦,并用元素分析和红外光谱进行了表征。单晶结构分析结果表明:三斜晶系,空间群P1珔。晶胞参数a=8.2240(16)?,b=10.777(2)?,c=12.137(2)?,α=72.58(3)°,β=72.82(3)°,γ=68.78(3)°,V=935.4(3)?3,Z=1。(NO2Ql) 和犤Ni(mnt)2犦2-分别形成了完全分立的柱状堆积结构。在阴离子堆积柱内,Ni?离子形成了一维均匀链。阳离子间,比邻的芳环间存在弱的π…π作用。     

新型三齿含膦配体的Ni(Ⅱ)配合物的合成和晶体结构

A new tridentate Ni(Ⅱ) complex {Ni(H₂O)₃[Ph₂(o-Ph-N-C₇H₇N)]PO}Cl₂ was synthesized by the reaction of a new ligand Ph₂(o-Ph-N-C₇H₇N)]PO with NiCl₂ in CH₃CH₂OH. The complex was characterized by X-ray single crystal diffraction. The crystal structure of the complex belongs to monoclinic space group P2₂/n, a=1.259 28(9) nm, b=1.201 24(8) nm, c=2.039 03(14) nm, V=3.016 8(4) nm^-3, Z=4, and R₂=0.047 1, wR₂=0.120 5. And a molecular CH₂Cl₂ is filled in the crystal structure. CCDC: 241832.     

Synthesis and Crystal Structure of a New Silver(I) Complex

The reaction of 4-amino-6-methyl-1,2,4-triazine-3(2 H)-thione-5-one (AMTTO) with silver(I) nitrate in methanol gives the complex [Ag(AMTTO)₂]NO₃ ( 1 ). 1 was characterized by IR and ¹³C NMR spectroscopy and by an X-ray structure analysis [space group C2/c, Z = 4, lattice dimensions at –80 °C: a = 1306.7(2), b = 1139.0(2), c = 1089.2(1) pm, β = 94.54(1)°, R₁ = 0.0294]. The cation possesses a highly distorted linear coordination sphere in the solid state.     

Synthesis and Crystal Structure of the Copper(II) Complex with N,N'-Cyclohexanebis(3- formyl- 5-tert-butyl-salicylaldimine)

INTRODUCTION Schiff-base complexes are some of the most important stereochemical models in transition metal coordination chemistry, with their ease of preparation and structural variation.[1~4] Metal derivatives of Schiff-base have been studied extensively, and copper(II) and nickel (II) complexes play major roles in both synthetic and structural research. The geometry of the coordination sphere is usually planar in the case of Ni, but of Cu, a tetrahedral distortion is often observed.[…     

Synthesis and Crystal Structure of a New Hexadentate Ligand N,N＇-Bis（di（2-pyridyl）methyl）ethylenediamine

The reaction of di(2-pyridyl)ketone with ethylenediamine produced hexadentate Schiff base 1 which can be reduced to form a new ligand N,N-bis(di(2-pyridyl)-methyl)ethylene- diamine (BDPM) in ethanol solution. The two compounds were characterized by elemental analyses and spectroscopic methods. Their structures were determined by X-ray diffraction study. Crystal data for 1: C24H20N6, Mr = 392.5, monoclinic, P21/c, a = 13.871(3), b = 13.510(2), c = 12.153(2) ? b = 112.97(2)? Z = 4, V = 2094.1(6) ?, Dc = 1.245 g/cm3, m(MoKa) = 0.078 mm-1, F(000) = 824, the final R = 0.0545 and wR = 0.0557 for 2048 observed reflections (I > 2s(I)); for BDPM: C24H24N6, Mr = 396.49, monoclinic, C2/c, a = 21.411(3), b = 8.053(1), c = 11.868(1) ? b = 92.63(1)? Z = 4, V = 2044.2(4) 3, Dc = 1.288 g/cm3, m(MoKa) = 0.080 mm-1, F(000) = 840, the final R = 0.0401 and wR = 0.0939 for 1673 observed reflections (I > 2s(I)).     

Synthesis and Crystal Structure of the Copper Complex {[Cu（CH3COO）2（bbtz）]（H2O）2}n

1 INTRODUCTION The design and synthesis of metal-organic frame- work structures have been extensively studied due to their unexpected properties for potential applications as functional materials as well as the intriguing ar- chitectures and topologies[1～4]. When rigid bifunc- tional ligands are used to connect metal centers, to- pology of the network is usually determined by the coordination geometry of the central metal prefer- ence. Contrary to rigid ligands, the bifunctional fle- xib…     

Crystal Structure of Nickel (Ⅱ) Complex with 3Hydroxy1-1, 5-diazacycloheptane

1INTRODUCT1ONMesocyclicdiamines(e.g.1,5-diazacyclooctane,1.4-diazacycloheptane)asversatilechelatingagentsoftenprovideastericeffectalongwithastrongligandfieldeffectE'jTheyeasilyformstablecomplexesinunusualgeometrieswiththetransitionmetalion.[2j.Forexample,thecrystalstructureoftheNiCl,complex,Ni(dach),Cl,(dach=1.4-diazacyclohepane),showsthattheNi(I)isplanarwithNi-Nbonddis-tancesof1.917(5)and1.921(6)Aandthetwodachligandsinthetransboat-boatco.fo.mation[3j'Inordertoextendfurtherthecomplexat…     

N,N''''-双(4-甲基-2-苯并噻唑基)-2,6-吡啶二酰胺钴(Ⅱ) 配合物的合成和晶体结构

0IntroductionCobaltcomplexeswithnonmacrocyclicchelatingligandscontainingtheamidefunctionalityhavere鄄ceivedmuchattentioninpastyears[1~3].Somestudieshaverevealedthatdeprotonatednitrogensoforganicamides,beinganionicinnature,arecapableofstabi鄄lizingthetriva…     

双核铜(Ⅰ)配合物的合成、晶体结构与性质研究

本文合成了1个新的铜双核配合物[(CuI)(PMN)]2.2CH3CN(PMN=2、4-二氨基-5-氯苯基-6-乙基嘧啶),并且通过元素分析、红外、荧光、热重和单晶X-射线进行了表征。该配合物属三斜晶系,空间群P1,a=0.8100(16)nm,b=0.96950(19)nm,c=1.2049(2)nm,α=97.88(3)°,β=93.31(3)°,γ=94.14(3)°,V=0.933 8(3)nm3,Z=1,R=0.037 1。在配合物中,每个Cu(Ⅰ)离子与PMN配体的1个N原子和2个I原子配位,展示出三角几何构型。相邻的2个Cu(Ⅰ)离子通过碘原子相连形成双核铜配合物,并进一步通过氢键和I…I作用形成三维网状结构。     

Synthesis and Crystal Structure of a New Mononuclear Copper Complex

<正>A new kind of Cu (II) complex [Cu(tpmb)2Cl2]·CH3OH·H2O (tpmb = 1,3,5-tri(2-pyrimidinyl)sulfanylmethyl-2,4,6-trimethylbenzene) was synthesized, and its structure has been determined by X-ray single-crystal diffraction. It crystallizes in the triclinic, space group P 1 with a = 8.8397(2), b = 13.327(3), c = 13.926(3) A, α = 63.27(3), β = 86.96(3), r = 80.68(3)°, V = 1445.6(5) A3, C49H51Cl2CuN12O2S6, Mr= 1166.82,Z=1, F(000) = 604, Dc = 1.340 g/cm3, μ = 0.735 mm-1, R = 0.0545 and wR = 0.1575 for 4521 observed reflections (I > 2σ(I)). X-ray analysis reveals that the Cu (II) ion is coordinated by two Cl- anions and two nitrogen atoms from different pyrimidine groups, forming a square structure.     

Synthesis and Crystal Structure of 1D Coordination Polymer of N,N''''-Bis(3-pyridylmethyl)-1,4-benzenedicarboxamide and Cobalt(II) Nitrate

IntroductionTheresearchonarchitectureofcoordinationpoly-mershasbeenmushroomingrecentlyfortheirinterest-ingstructuralpropertiesandpotentialapplicationstomagnetism,NLOmaterial,electricalconductivity,ionexchange,etc.1-5Coordinationpolymerisafamilywhichiscomposedof1Dchains,2Dsheets,and3Dframeworkofbuildingblocksconnectedviametal-ligandcoordination.Hydrogenbondingand-stack-inginteractionareoftenfurtherutilizedtogeneratethosecoordinationpolymersintomultidimensionalsu-pramolecularnetworks.6-11Inth…     

酰胺型三足体铜配合物[CuL][CuCl2(NO3)2]的合成及晶体结构

The title complex， [CuL][CuCl₂(NO₃)₂] [L=N，N，N′，N′，N″，N″-Hexaisopropyl-2， 2′， 2″-Nitrilotris(2，1-ethoxy)triacetamide]， has been synthesized by using an amide-type tripodal ligand with Cu(NO₃)₂ and then characterized by X-ray single crystal structure analysis. It belongs to monoclinic，space group P2₁/c with a=1.522 7(2) nm，b=1.277 8(2) nm， c=2.184 5(4) nm， β=93.680(10)°， V=4.241 6(12) nm³， Z=4， D_c=1.401 Mg·m^-3， μ=1.189 mm^-1， F(000)=1 880， and final R₁=0.050 9， wR₂=0.125 3. The results show a Cu(Ⅱ) ion was encapsulated by the three chains of the cup-like heptadentate ligand and four-coordinated by the central nitrogen atom and three oxygen atoms from the ligand. CCDC: 648900.     

三核锌配合物的合成及结构表征

A trinuclear Zn(Ⅱ) complex [Zn₃(L)₂(Cl)₂(OSO₃)₂(H₂O)₂]·2H₂O (1) (L=N¹-(2-aminoethyl)-N¹-(2-imidazolethyl)-ethane-1,2-diamine) was synthesized by reaction of ligand L with ZnSO₄·7H₂O at pH=9 in air. The complex has been characterized by elemental analysis, FTIR and X-ray single crystal diffraction. It reveals that the crystal of complex 1 belongs to monoclinic C2/c space group, a=3.516 9(7) nm, b=0.676 57(14) nm, c=1.502 2(3) nm, β=110.955(4)°, V=3.337 9(12) nm³, Z=4. In complex 1, two ligands L bridge three Zn(Ⅱ) centers to form trinuclear structure which was further connected by hydrogen bonding to form two-dimensional structure. CCDC: 609515.     

Synthesis and Crystal Structure of [Cu（bbtz）（HCOO）2（H2O）2]n

1 INTRODUCTION Crystal engineering principles have been employ- yed in recent years to produce a variety of coordi- nation networks[1], which are of great current interest not only for their potential properties as functional solid materials[2] in host-guest chemistry, ion ex- change and catalysis, but also for their often com- plicated intriguing architectures and topologies. Ra- tional control the construction of polymeric net- works remains a great challenge in crystal engineer- ing. Mu…     

Synthesis and Crystal Structure of a N,N,N′-tri(2-hydroxy-5-methylbenzyl)-1,2-ethanediamine

An aminophenol ligand, N,N,N′-tri(2-hydroxy-5-methylbenzyl)-1,2-ethanediamine, was prepared through the Mannich reaction, and structurally characterized by NMR, IR, MS and single-crystal X-ray diffraction. The title compound (C26H32N2O3, Mr = 420.54) belongs to the monoclinic system, space group P21/n with a = 8.6233(14), b = 10.2655(16), c = 26.017(4) ′, β = 95.797(2)o, V = 2291.3(6) ′3, Z = 4, the final R = 0.0461 and wR = 0.1139 for 4267 unique reflections (Rint = 0.028) with 11691 observed ones (I > 2σ(I)).     

Synthesis and Crystal Structure of a New 2D Honeycomb-like Cadmium(II) Complex with Tripodal Ligand

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Synthesis and Crystal Structure of1,4-Bis（1H-1,2,4-triazol-1-methyl）benzene

1 INTRODUCTION 1,2,4-Triazole derivatives are used as ingradients in several antiallergic, antivirial, antibacterial drugs, etc.[1～4]. 1,2,4-Triazole and its derivatives are also very interesting ligands because they combine the coordination geometry of…     

N，N′-双(4-甲基-2-苯并噻唑基)-2，6-吡啶二酰胺钴(Ⅱ)配合物的合成和晶体结构(英)

Treatment of deprotonated N，N′-bis(4-methyl-2-benzothiazolyl)-2, 6-pyridicarboxamide (L^2-) with CoCl2·6H2O yields the mononuclear complex, (Et₄N)₂[CoL₂]·0.5H₂O. Single crystal X-ray structural determination has been carried out for the complex, crystal system: Monoclinic, space group: P2₁/c, a=1.444(1) nm, b=1.969(1) nm, c=2.448(1) nm, β=118.02(1)°, V=6.143 0(15) nm³, Z=4. In this complex, the central Co(Ⅱ) atom is in an octahedron environment, with four deprotonated amide-N atoms in the equatorial plane and two pyridine-N atoms in the axial positions. CCDC: 252558.