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11.
The title complex [Cu(tssb)2]·2[(H3O)Cl]·4H2O (C18H34Cl2CuN2O14S2) (tssb = taurine salicylaldehyde Schiff base) has been synthesized by the reaction of taurine salicylaldehyde Schiff base (tssb) and copper acetate in water-ethanol. Its single-crystal structure was determined by X-ray diffraction method. The crystal structure belongs to triclinic, space group P with a = 0.7407(1), b = 1.3329(3), c = 1.5736(3)nm, α = 103.800(4), β = 95.030(4), γ = 104.416(4)°, Mr = 701.06, V = 1.4433(5) nm3, Z = 2, Dc = 1.613 g/cm3, μ = 1.153 mm-1 and F(000) = 726. The compound is an infinitely expanding three-dimensional network connected with hydrogen bonds. The Cu(Ⅱ) atom is coordinated by two nitrogen and two oxygen atoms to form a distorted planar coordination compound which adopts anti-configuration because two sulfonic acid groups are positioned diagonally on a plane. 相似文献
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0IntroductionItiswellknownthatcobalt?candisplayvariouscoordinationpolyhedron,theusualcoordinationnum-bervaryingfromfourtosix,whilemanyreportsonthecrystalandmolecularstructureareofsimplecobalt?complex,relativelyfewcasesconcernheteronuclearcomplexes.Recently,somestructuresofheteronuclearcompoundscontainingpyridine-2,6-dicarboxylicacidhavebeendetermined犤1~4犦,becauseoftheirimportantroleincoordinationchemistry,catalyticreactions,magneticmaterialandbiologicalsystem.Wereporthereanovelstructureofco… 相似文献
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本文讨论了微商共同作用在半素环的某个Lie理想上的问题。给出了如下结果:设R是带有中心Z(R)的半素环,Qmr是R的极大右商环,L是R的非交换Lie理想,d和δ是R的微商,假设rR(「L,L」)=0且d(x)x-xδ(x)∈Z(R)对任意x∈L成立,则在R的扩张形心C中存在一个幂等元e使得d(1-e)Qmr=0和δ(1-e)Qmr)=0并且eQmr满足S4。另外给出微商共同作用在半素环上多项式的结 相似文献
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新型一维配位聚合物{[Cu(4,4′-bipy)Cl]_n}的溶剂热合成及其晶体结构 总被引:1,自引:0,他引:1
以4,4′-联吡啶(4,4′-bipy)和CuCl2·2H2O为原料,用溶剂热法合成了新型一维配位聚合物——[Cu(4,4′-bipy)Cl]n(1),其结构经IR,元素分析和X-射线单晶衍射表征。1属于四方晶系,I41/acd空间群,晶胞参数:a=1.418 25(8)nm,b=1.418 25(8)nm,c=3.855 60(4)nm,V=7.755 2(10)nm3,Z=32,Mr=255.18g.mol-1,Dc=1.748 g.cm-3,μ=2.48 mm-1,F(000)=4 096,R1=0.030 6,wR2=0.085 5,S=1.04。1中Cu+分别与两个4,4′-bipy上的一个N原子配位以及两个端基氯原子配位,形成了四面体配位几何构型。分子内Cu┈Cu间的距离为0.274 7(1)nm。在a+c轴方向,通过4,4′-bipy桥联作用形成二维层状网格,层与层通过互穿插形成三维结构。二维层可以简化为一个4.82拓扑。 相似文献
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双核铜(Ⅱ)-β-丙氨酸缩水杨醛席夫碱配合物的合成及其晶体结构 总被引:1,自引:0,他引:1
合成了标题化合物(1),其结构经IR和元素分析表征。1的分子式[Cu2(β-ala-sala)2.H2O].H2O(C20H22Cu2N2O8),分子量545.48。经X-射线衍射仪测定1的晶体结构属三斜晶系,空间群P-1,晶胞参数为:a=8.149 6(4)nm,b=10.3389(5)nm,c=12.6107(6)nm,α=77.4110(10)°,β=85.0010(10)°,γ=87.9770(10)°,V=1032.92(9)nm3,Z=2,Dc=1.754 g.cm-3,μ=2.111 mm-1,F(000)=556,Gof=2.359,Δρ=(0.438~0.295)e.nm-3。两个铜原子配位数各为四或五,处于变形平面四方形或变形四方锥的配位环境中。 相似文献
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A coordination polymer of [Zn(BBP)(p-CPOA)]n(where BBP is 2,6-bis(benzimidazolyl)pyridine and p-CPOA is p-carboxylato-phenoxyacetate dianion) has been synthesized and characterized by elemental analysis, IR, TG, and the single crystal structure was determined by X-ray diffraction. The crystal crystallizes in the monoclinic system, space group of P21/n with a=1.397 3(4) nm, b=1.138 4(3) nm, c=1.575 9(5) nm, β=91.805(1)°, V=2.505 4(13) nm3, Z=4, Dc=1.513 g·cm-3, μ=1.030 mm-1 and F(000)=1 168. Zn(Ⅱ) ion is penta-coordinated and surrounded by two carboxylate O atoms from two different p-CPOA groups in a bis-monodentate mode, three N atoms from the 2,6-bis(benzimidazolyl)pyridine ligand, completing a distorted trigonal bipyramidal coordination configuration. The structure is a helix with a long pitch of 1.138 4 nm. Under direction of supramolecular recognition and attraction, the adjacent chains are formed the double-stranded chain through π-π stacking between the 2,6-bis(benzimidazolyl)pyridine ligands and hydrogen-bonding interactions. A three-dimensional supramolecular network is further constructed through these interactions between the helices. The TG shows that its chain skeleton is thermally stable up to 382 ℃. CCDC: 626650. 相似文献
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双核Cu(II)-牛磺酸缩水杨醛席夫碱配合物的合成、晶体结构及生物活性 总被引:2,自引:0,他引:2
合成了双核铜配合物 [Cu(TSSB) (H2 O) ] 2 ·2H2 O (TSSB =牛磺酸缩水杨醛席夫碱 ) ,通过元素分析、红外光谱对配合物进行了表征 ,并利用X射线法测定其结构 .晶体属三斜晶系 ,空间群P1- ,其晶胞参数为 :a =0 .69613 ( 19)nm ,b =0 .93 0 7( 3 )nm ,c=1.0 43 9( 3 )nm ;α =10 8.796( 5 )° ,β =10 1.2 71( 5 )° ,γ =10 5 .617( 5 )° ,V =0 .5 869( 3 )nm3 ,Z =1,Dcald=1.849g/cm3 ,μ =2 .0 5 8mm-1,F( 0 0 0 ) =3 3 4,Gof =1.0 79,Δρ =3 79~ -4 0 6e·nm-3 .两个铜原子配位数各为五 ,处于变形四方锥的配位环境中 .并对配合物进行了的生物活性试验 ,结果表明 ,配合物抗菌活性与青霉素接近 ,肿瘤抑制率达 63 .5 % .半数致死量为 10 0 0mg/kg .有可能成为一种新的抗菌、抗肿瘤药物 相似文献
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以2-氯-6肼基吡啶、丁炔二酸二甲酯和乙酸酐为原料,设计合成了5-乙酸-1-(6-氯吡啶)-1-氢-吡唑-3-甲酸甲酯(化合物1)和1-(6-氯吡啶)-5-羟基-1-氢-吡唑-3-甲酸甲酯(化合物2).其结构通过单晶X-射线衍射、1 H NMR、13 C NMR、IR和元素分析等进行表征.采用MTT法测试了所合成的化合物对人肝癌细胞HepG2、人肺癌细胞NCI-H460、人肝癌细胞BEL-7404、人结肠癌细胞HCT-116 4组细胞株的增殖抑制活性.结果表明,它们对所测试的部分人体癌细胞株表现出了较好的抗肿瘤活性.其中化合物1对NCI-460癌细胞表现出较好的抑制作用,而化合物2对HepG2,BEL-7404癌细胞具有一定的抑制效果. 相似文献
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Introduction The complexes of amino acid Schiff base have re-ceived considerable attention because of the interests in the biogical field.1-4 Taurine is a special amino acid in human beings. Recently, the complexes of taurine con-densation salicylaldelyde Schiff base have been re-ported,3-7 but the complexes of taurine condensation derived salicylaldelyde Schiff base have not been re-ported yet. In order to examine its anticancer and antibiosis ac-tivity of the complexes of taurine condensa… 相似文献