含乳清酸配体的两个单核配合物的合成与晶体结构

0IntroductionInthepastfewyears,themolecular-basedmag-neticpropertiesofheteronuclearcomplexessimultane-ouslycomprisinglanthanideandtransitionmetalionshaveattractedincreasinginterest犤1～6犦.Inourlaborato-ry,wehavesynthesizedsuchtypeofcomplexeswithdifferentcarboxylicbridgingligands犤7～10犦.Asanex-tensionofthisresearcharea,ourpresentworkaimstosynthesizenovelcomplexesofrareearthandtransi-tionmetalbyusingoroticacidasabridgingligand.Inthecourseofourinvestigationtwonewcomp-lexesof犤Cu(C5H2N2O4)(H…     

Syntheses and Structure Determination of Two Copper Compounds with 4,4--Sulfonyldibenzoilate Ligands

The two title compounds [Cu(sdba)(py)2(H2O)]n·2n(py) 1 and [Cu(sdba)(phen)(H2O)]n 2(H2sdba = 4,4'-sulfonyldibenzoic acid,py = pyridine,phen = 1,10-phenanthroline) have been synthesized and characterized by single-crystal structure determination,IR and TG analyses.Compound 1 crystallizes in orthorhombic,space group Pbcm with a = 5.9833(12),b = 22.333(5),c = 24.571(5),V = 3283.3(12) 3,Z = 4,C34H30N4O7SCu,Mr = 702.22,Dc = 1.388 g/cm3,F(000) = 1396,μ(MoKα) = 0.780 mm-1,the final R = 0.0599 and wR = 0.1767 for 3416 observed reflections with I > 2σ(I).Compound 2 crystallizes in monoclinic,space group C2/c with a = 22.9549(4),b = 12.2443(3),c = 17.8687(4) ,β = 110.873(1)°,V = 4692.69(18) 3,Z = 8,C26H18N2O7SCu,Mr = 566.02,Dc = 1.602 g/cm3,F(000) = 2312,μ(MoKα) = 1.078 mm-1,the final R = 0.0697 and wR = 0.1330 for 3452 observed reflections with I > 2σ(I).In both structures,the CuII metal centers adopt five-coordination in slightly distorted tetragonal pyramidal geometries,while the second N-donor ligands bond or chelate to CuII ions as the terminal moiety.The weak interactions extend the two structures into high-dimensional supramolecular coordination-polymers.     

Syntheses and Crystal Structures of Two New Macrocyclic Compounds

Two new macrocyclic compounds, [Cu2(L)2](ClO4)4·2CH3OH (1) and [Cu(L)](ClO4)2·2H2O (2) (L = 1,3,10,12,15,18-hexaazatetracyclodocosane) were synthesized by condensation reactions involving amines and formaldehyde in the presence of copper anion. Compound 1 crystallizes in triclinic, space group Pí with a = 10.442(2), b = 14.197(3), c = 17.388(4), α = 91.218(4), β = 90.69(3), γ = 93.756(4)o, V = 2520.4(9)3, Z = 2, F(000) = 1260, Dc = 1.589 Mg/m3, Mr = 1205.92, μ = 1.137 mm-1, λ = 0.71073, the final R = 0.0668 and wR = 0.1573 for 9703 observed reflections with I > 2σ(I). Compound 2 crystallizes in monoclinic, space group C2/c with a = 16.911(2), b = 11.4172(15), c = 27.059(4), β = 107.787(2)o, V = 4974.7(12)3, Z = 8, F(000) = 2504, Dc = 1.610 Mg/m3, Mr = 602.92, μ = 1.155 mm-1, λ = 0.71073 , the final R = 0.0419 and wR = 0.1131 for 4374 observed reflections with I > 2σ(I).     

Syntheses and Crystal Structures of Mono- and Binuclear Copper( Ⅱ ) Mixed-ligand Complexes Involving Schiff Base

The mononuclear copper(Ⅱ) complex [Cu(L)(2-AP)] 1 and binuclear copper(Ⅱ)complex [Cu(L)(py)]2 2 (L = C1oH1 1O5NS, taurine o-vanillin, py = prydine, 2-AP = 2-aminopyridine)with mixed ligand have been synthesized and characterized by X-ray diffraction method. Crystal data for 1: orthorhombic, space group Pbca with a = 11.921(4), b = 15.816(6), c = 17.076(6) (A), V=3219.7(19) (A)3, C15H17CuN3O5S, Z = 8, Mr = 414.92, Dc = 1.712 g/cm3,μ(MoKα) = 1.520 mm-1,F(000) = 1704, the final R = 0.0300 and wR = 0.0705 for 2840 observed reflections with I ＞ 2σ(I);and crystal data for 2: monoclinic, space group P21/c with a = 7.929(3), b = 17.038(5), c = 11.734(4)(A), β = 98.162(6)°, V = 1569.1 (9) (A)3, C15H16CuN2O5S, Z = 4, Mr = 399.90, Dc = 1.693 g/cm3, F(000)= 820,μ(MoKα) = 1.554 mm-1, the final R = 0.0351 and wR = 0.0848 for 2767 observed reflections (I ＞ 2o(I)). The molecular structure of complex 1 consists of one tetra-coordinated Cu(Ⅱ) atom generating a slightly distorted square plane, and a one-dimensional chain structure is formed by intermolecular hydrogen bonds. Complex 2 consists of a diphenolic hydroxyl O-bridged binuclear copper(Ⅱ) structure. The crystal structures of complexes 1 and 2 reveal that the coordinate copper centers are bound to both nitrogen and oxygen atom donors. The usual N,O-trans arrangement of ligands is observed in both cases.     

Syntheses and Crystal Structures of Mono-and Binuclear Copper(Ⅱ) Mixed-ligand Complexes Involving Schiff Base

1 INTRODUCTION The chemistry of copper compounds has been extensively investigated and the relationship be- tween structure and reactivity, ranging from indus- trial catalysis to biochemistry activity, is of major importance. For binuclear copper(II) complexes equa- torially bridged by pair of hydroxide[1] or alkoxide[2, 3] groups, satisfactory linear correlation is found be- tween the Cu–O–Cu bridging angle and spin coupling between the metal centers. However, for binuclear copper(I…     

Syntheses and Characterizations of Two Copper Coordination Polymers Constructed by 4,4''''-Bipyridine

1 INTRODUCTION Self-assembly of coordination polymers fromthe basic building blocks is of considerable interestdue to their intriguing diverse architectures and po-tential applications in catalysis and advanced mater-ials, such as magnetic, optical a…     

噻吩和吡啶取代三芳基三唑的两个铜配合物的合成与晶体结构

分别以3-(2-吡啶基)-4-苯基-5-(2-噻吩基)-1,2,4-三氮唑(L1)和3-(2-吡啶基)-4-(4-氯苯基)-5-(2-噻吩基)-1,2,4-三氮唑(L2)作为配体,合成了2个新的单核铜配合物:trans-[Cu(L1)2(MeOH)2](ClO4)2(1)和trans-[Cu(L2)2(ClO4)2]·...     

基于6-羟基-2-吡啶基膦酸配体的铜配合物的合成、结构及磁性

在水热条件下, 以6-羟基-2-吡啶基膦酸为主配体, 4, 4′-联吡啶(bpy)及1, 2-二(4-吡啶基)乙烯(bpe)为桥联配体, 合成了2个铜膦酸配位聚合物[Cu₃(L)₂(bpy)₂(H₂O)₂]· 2H₂O (1), [Cu₃(L)₂(bpy)₂(H₂O)₃]· 2H₂O (2)。配合物1中, Cu²⁺离子由膦酸配体连接成一条链, 该链由bpy桥联成二维层, 层与层之间通过氢键作用构成三维结构。配合物2与配合物1是同构的, 桥联配体是bpe。磁性研究表明, 配合物1与2中铜离子之间存在反铁磁性耦合。     

基于6-羟基-2-吡啶基膦酸配体的铜配合物的合成、结构及磁性

在水热条件下, 以6-羟基-2-吡啶基膦酸为主配体, 4, 4'-联吡啶(bpy)及1, 2-二(4-吡啶基)乙烯(bpe)为桥联配体, 合成了2个铜膦酸配位聚合物[Cu₃(L)₂(bpy)₂(H₂O)₂]·2H₂O (1), [Cu₃(L)₂(bpy)₂(H₂O)₃]·2H₂O (2)。配合物1中, Cu²⁺离子由膦酸配体连接成一条链, 该链由bpy桥联成二维层, 层与层之间通过氢键作用构成三维结构。配合物2与配合物1是同构的, 桥联配体是bpe。磁性研究表明, 配合物1与2中铜离子之间存在反铁磁性耦合。     

Syntheses, Crystal Structures and Properties of Two Lanthanide Selenite-carboxylate Compounds

Two lanthanide selenite-carboxylate （LSC） compounds, namely, [Ln8（SeO3）4（2,6- pdc）8（H2O）10]·2H2O （Ln = Pr 1, Sm 2; 2,6-pdcH2 = pyridine-2,6-dicarboxylic acid） have been hydrothermally synthesized and structurally characterized. Both compounds possess two-dimensional layer structures constructed by Ln8（SeO3）4（2,6-pdc）8（H2O）10 clusters connected to each other via bridging carboxylate groups. The structures are further extended into three-dimensional architectures through extensive inter-layer H-bonding between coordinated water molecules and carboxylate groups. The luminescent properties and thermal stability of both compounds have been investigated.     

烯唑醇铜和银配合物的水热合成与晶体结构(英文)

合成了2个新的烯唑醇铜和银配合物:[CuL4Cl2](1),[AgL2]NO3(2)(L=diniconazole)。通过元素分析、红外光谱和X-ray单晶衍射对其结构进行了表征。结构分析表明,1属三斜晶系,P1空间群,晶胞参数为a=0.882 3(7)nm,b=1.370 5(10)nm,c=1.516 4(11)nm,α=91.507(11)°,β=97.356(9)°,γ=107.683(9)°。2属单斜晶系,P21/c空间群,晶胞参数为a=1.229 2(3)nm,b=1.272 1(3)nm,c=2.431 7(5)nm,β=98.694(3)°。1和2都由分子间氢键连接成一维链结构。     

Syntheses and Crystal Structures of Two New Compounds Containing Triarylamine and Benzoic Hydrazide Units

1 INTRODUCTION The design and fabrication of efficient light emitting devices based on organic materials has been an active research area due to their possible application in display technology[1～5]. One of the most fascinating advantages in using th…     

Syntheses and Structures of Two Cadmium Complexes with Isophthaloylbisglycine Acid and 4,4'-Bipyridine

The two title complexes [{Cd（IBG-CH3）（4,4＇-bipy）（H2O）2}·NO3]n 1 and [{Cd（IBG）- （4,4＇-bipy）（H2O）2}·2H2O]n 2 （H2IBG = isophthaloylbisglycine and 4,4＇-bipy = 4,4＇-bipyridine） have been synthesized and characterized by single-crystal structure determination,IR and TG analyses. Complex 1 crystallizes in monoclinic,space group C2/c with a = 27.221（2）,b = 11.6093（7）,c = 16.3571（9）A,V = 5149.2（6） A^3,Z = 8,C23H23N5O11Cd,Mr = 657.86,Dc = 1.697 g/cm^3,F（000） = 2656.00,μ（MoKα） = 0.919 mm^-1,the final R = 0.0478 and wR = 0.0882 for 3728 observed reflections with I 〉 2σ（I）. Complex 2 crystallizes in triclinic,space group Pī with a = 9.0940（4）,b = 11.6852（5）,c = 13.1119（6）A,V = 1230.26 A^3,Z = 2,C22H26N4O10Cd,Mr = 618.87,Dc = 1.671 g/cm^3,F（000） = 628.0,μ（MoKα） = 0.951 mm^-1,the final R = 0.0567 and wR = 0.1124 for 3713 observed reflections with I 〉 2σ（I）. In both structures,the CdII metal centers are coordinated by seven atoms to form a distorted pentagonal bipyramidal geometry.     

两个镧系配合物的合成, 晶体结构及荧光性质

合成了两个新配合物, [Eu2(Pht)2(HPht)2(Phen)2(H2O)4] (1) and [Gd(3-CNC6H4COO)3(H2O)2]n (2) (Pht2―=dianion of o-phthalic acid; HPht―=mono-anion of o-phthalic acid; Phen=1, 10-phenanthroline; 3-CNC6H4COO=3-cyanobenzoate), 并通过X-射线单晶衍射表征其结构。结果表明,在水热反应条件下1,3-苯二腈水解为3-氰基苯甲酸。配合物2形成了一维链状配合物,而配合物1形成了二聚体。配合物1属三斜晶系,空间群 ,晶胞参数为a = 1.01048(6) nm, b = 1.06755(7) nm, c = 1.19266(8) nm, α = 90.188(3)º, β = 99.526(2)º, γ = 100.981(2)º, V = 1.24479(14) nm3, Z = 1, Dc = 1.861 Mg/m3;配合物2也属三斜晶系,空间群 ,晶胞参数为a = 0.93749(9) nm, b = 1.14943(10) nm, c = 1.27024(11) nm, α = 90.188(3)º, β = 73.788(5)º, γ = 86.757(5)º, V = 1.19389(19) nm3, Z = 2, Dc = 1.757 Mg/m3。用激发和发射光谱研究了配合物1的荧光性质,该化合物能发射很强的红色荧光。     

二个含水杨酰腙配体的钒配合物的合成与晶体结构研究

2种水杨酰腙配体H2L1(H2L1=邻羟基苯乙酮缩水杨酰腙)和H2L2(H2L2=水杨醛缩水杨酰腙)分别与VO(acac)2反应,合成了2个钒配合物[VOL1(C2H5O)]2(1)和[VOL2(i-C3H7O)](2),利用元素分析、红外光谱、紫外光谱和单晶衍射等手段进行表征。配合物1是由酚氧原子桥联2个金属中心形成的具有晶体学中心对称性的双核钒(V)配合物结构,每个V(V)原子具有扭曲的八面体配位构型。配合物2为单核结构,每个V(V)原子具有扭曲的四角锥配位构型,相邻的配合物分子通过分子间氢键作用形成一维超分子链状结构。采用循环伏安法研究了化合物2的电化学性质。     

Syntheses,Characterization,and Crystal Structures of Three New Divalent Metal Sulfonates

Reactions of M（Ⅱ） acetate （M = Cu, Ni） with disodium 4,4＇-biphenyldisulfonate （BPDS） and 2,2＇-bipyridine （2,2＇-bipy） yielded three new metal sulfonates formulated as {[Cu2（2,2＇-bipy）2（H2O）（C2O4）（BPDS）]·2H2O}n 1, [Cu（2,2＇-Bipy）（H2O）3]（BPDS）＇2H2O 2 and [Ni（2,2＇-Bipy）（H2O）4]（BPDS）·2.5H2O 3. These three compounds were characterized by elemental analyses, FT-IR spectra, TG-DTA analyses and single-crystal X-ray diffraction analyses. Compound 1 belongs to the monoclinic system, space group P21/c with a = 17.7942（2）, b = 10.1369（10）, c = 19.8681（3） A, β = 104.323（10）°, V = 3472.20（7）A3, Mr = 893.82, Z = 4, F（000） = 1824,μ（CuKa） = 3.295 mm-1, R = 0.0427 and wR = 0.1278. Compound 2 is of orthorhombic system, space group Pca21 with a = 20.1016（7）, b = 7.2460（2）, c = 17.4802（6）A, V= 2546.10（14）A3, Mr = 622.11, Z= 4, F（000） = 1284,μ （CuKα） = 3.314 mm-1, R = 0.0415 and wR = 0.1291. Compound 3 belongs to the monoclinic system, space group C2/c with a = 15.9204（5）, b = 11.7511（4）, c = 15.2559（4）A, β = 98.886（3）°, V = 2819.85（15）A3, Mr = 1288.60, Z = 2, F（000） = 1340,μ（CuKa） = 2.957 mm^-1, R = 0.0515 and wR = 0.1454. Compound 1 is composed of one-dimensional helical chains of [Cu2（2,2＇-bipy）2（H2O）（C2O4）]2＋ fragments bridged alternately by 4,4＇-biphenyldisulfonate ligands, along the c axis of the unit cell. In compound 2, 4,4＇-biphenyldisulfonate anions are arranged in a zigzag mode and interact with the lattice waters via hydrogen bonds resulting in the formation of infinite chains. Adjacent chains are linked by lattice waters to form 2D extended sheets. The complex cations are located in the interlayer regions and interact with the sheets through hydrogen bonds. In compound 3, the Ni center resides at a crystallographic inversion center and adopts a distorted octahedral coordination sphere. The complex cations interact with 4,4＇-biphenyldisulfonate     

苯甲酸与含氮配体构筑的两种铅配合物的水热合成、结构与性质研究

用水热合成方法得到了2个二价铅配合物[Pb(BA)2(phen)].(HBA)(1)及[Pb(2,2′-bipy)(BA)(NO3)]n(2)(HBA=benzoic acid;phen=1,10-phenanthroline;2,2′-bipy=2,2′-bipyridine),对它们进行了元素分析、红外光谱、荧光光谱、粉晶衍射及热分析表征,并通过X-射线单晶衍射测定了配合物的单晶结构。X-射线单晶结构解析表明,配合物1与2均属三斜晶系,P1空间群。化合物1中,弱Pb…O相互作用、分子间氢键及π…π堆积作用共同构筑了配合物1的三维框架结构。铅的6s孤电子具有立体化学活性,使配位键分布于半球型区域。化合物2中,相邻的PbⅡ离子通过螯合-桥联的硝酸根联结成一维链状结构,广泛存在的π…π堆积作用将邻近的一维链堆积成三维超分子结构。化合物2中的6s孤对电子未显示出立体化学活性,其配位键近似分布于全球型区域。     

两个镉/锌超分子配合物的合成、晶体结构及理论计算

通过水热法合成了2个新的金属-有机超分子配合物[Cd(cba)2(bix)]_2(1)和[Zn(cba)2(bix)]_2(2)(Hcba=2-氯苯甲酸,bix=1,4-双(咪唑基-1-基)苯),并对其进行了元素分析、红外光谱、热重、荧光光谱、单晶和粉末X射线衍射测定。配合物1和2同构,均为零维结构,并且通过π-π堆积形成了三维超分子结构。此外,还用高斯09程序PBE0/LANL2DZ方法对配合物1进行了自然键轨道(NBO)分析,计算结果表明配位原子与Cd(Ⅱ)离子之间存在着共价作用。     

镉/铅超分子配合物的合成、晶体结构及理论计算

通过水热法合成了2个新的金属-有机超分子配合物[Cd Cl2(L1)]n(1)和[Pb(BDC)0.5(HBDC)(L2)]·2H2O(2)(H2BDC=对苯二甲酸,L1=2-(4-氨基苯酚)-1H-咪唑并[4,5-f]菲咯啉,L2=2-(4-N,N′-二甲基苯)-1H-咪唑并[4,5-f]菲咯啉)。并对其进行了元素分析、红外光谱、热重、荧光光谱和X射线单晶衍射测定。配合物1是一维链状结构,配合物2为零维结构,它们均通过氢键和π-π堆积形成了三维超分子结构。此外,还用高斯09程序PBE0/LANL2DZ方法对配合物1和2进行了自然键轨道(NBO)分析,计算结果表明配位原子与Cd(Ⅱ)、Pb(Ⅱ)离子之间存在着共价作用。     

镍、钴超分子配合物的合成、晶体结构及理论计算

通过水热法合成了2个新的金属-有机超分子配合物[Ni(eoba)(phen)(H₂O)₂]·0.58H₂O(1)和[Co(eoba)(phen)]2·H₂O(2)(H₂boba=4,4''-(乙烷-1,2-二氧基)-二苯甲酸,phen=菲咯啉),并对其进行了元素分析、红外光谱、热重和X射线单晶衍射测定。配合物1和2是同构的,每个配合物都是六配位的,菲咯啉分子上的2个氮原子、4,4''-(乙烷-1,2-二氧基)-二苯甲酸配体上的2个氧原子和2个配位水分子与金属配位。此外,还用高斯09程序PBE0/LANL2DZ方法对配合物1进行了自然键轨道(NBO)分析,计算结果表明配位原子与Ni原子之间存在着共价作用。