N—（β—羟乙基）乙二胺三乙酸锑的晶体结构

近年来锑配位化合物的晶体结构已有多篇报道,并探讨了这类化合物的结构在其抗肿瘤活性中的地位。本文报道N-(β-羟乙基)乙二胺三乙酸锑的晶体结构。 结果与讨论 N-(β-羟乙基)乙二胺三乙酸锑(C_(10)H_(15)O_7N_2Sb)为无色透明棱形片状晶体,20℃时密度ρο=1.82g/cm~3,实测值(理论值):Sb 30.2(30.7),C 30.0(30.3),H 3.9(3.8),N 6.8(7.1)。     

三维超分子化合物[H_2(C_4H_(10)N_2)](SO_4)(H_2O)的制备、晶体结构及差热-热重性质研究

用MnSO4H2O和哌嗪在水-甲醇混合溶剂中反应得到了1个超分子化合物[H2(C4H10N2)](SO4)(H2O) (C4H14N2O5S)。 该晶体属单斜晶系, 空间群为P21/n, 晶胞参数为: a = 6.386(1), b = 11.695(2), c = 11.680(2) ? = 101.06(3), V = 856.1(3) 3, Z = 4, Mr =202.23 , Dc = 1.569 g/cm3, F(000) = 432, ?= 0.368 mm-1。 该化合物是由[H2(C4H10N2)]2+、SO42-、H2O通过氢键自组装而形成的。 其中[H2(C4H10N2)]2+存在2种椅式构象:一种[H2(C4H10N2)]2+与4个SO42-、2个H2O通过氢键相连, 另一种[H2(C4H10N2)]2+则与6个SO42-相连。 它们分别沿着b、c方向交替排列展开, 通过SO42-桥联成二维的层状结构;层与层之间在NH…O、CH…O、OH…O氢键的作用下互相连接, 形成了具有网状结构的三维超分子化合物。 差热及热重测试表明:该化合物从92℃开始分解,首先失去1个H2O, 然后再失去[H2(C4H10N2)]2+和SO4 2-。     

2-氨基-5-硝基吡啶乙酸根桥联双核铜配合物的合成和晶体结构

2-氨基-5-硝基吡啶与Cu(CH3COO)2反应生成一个新的乙酸根桥联的双核铜配合物[Cu(CH3COO)2(C5H5N3O2)]2.2H2O.该配合物中,铜原子与一个吡啶环上N原子和四个乙酸根上O原子配位形成五配位的四方锥构型.其晶胞参数为:单斜晶系,空间群P21/c,a=0.834 5(8),b=2.001(2),c=0.808 1(8)nm,β=96.734(4)°,V=1.340(2)nm3,Z=2,Mr=657.37,Dc=1.629 g/cm3,F(000)=652,μ=1.663 mm-1,R1=0.060 4,wR2=0.126 4.电子吸收光谱在207 nm处有吸收;电子发射光谱在419 nm处有发射峰.并用IR和元素分析对配合物进行了表征.     

具有生物活性的金属配合物的研究 VI: 3,6-二(二甲氨基)-二苯并碘六环镧反式-1,2-环己烷二胺四乙酸配合物的合成, 性质及抗肿瘤活性

本文在完成了[C17H20N2I][RE(EDTA)]·nH2O, [C17H20N2I]3[RE(Cit)2].nH2O及[C17H20N2I]3[RE(NTA)2].nH2O等多种配合物的合成及性质研究的基础上, 合成了3,6-二(二甲氨基)-二苯并碘六环镧反式-1,2-环己烷二胺四乙酸配合物并对其结构, 性质及抗肿瘤活性进行了研究。     

[ZnN(CH2CH2NH2)2(CH2CH2N=CHC6H4O)]·Pic的合成与晶体结构

在不加任何碱的条件下,三[2-(亚水杨基胺)乙基]胺与苦味酸锌[Zn(Pic)26H2O]在乙醇中反应,得到了较为少见的多胺单缩合西夫碱配体的配合物[ZnN(CH2CH2NH2)2(CH2CH2N=CH-C6H4O)]Pic。化学式为C19H23N7O8Zn,Mr=542.81,晶体属三斜晶系,空间群为P,晶胞参数为a=0.7494(3),b=1.1917(5),c=1.3142(6)nm,a=78.111(7),b=79.093(7),g=78.577(7),V=1.1121(8)nm3,Dc=1.621g/cm3,m(MoKa)=1.167mm-1,Z=2,F(000)=560,在1.602s(I)的可观测点为2433个,最终偏离因子R=0.0555,wR=0.1139。配合物中Zn(II)与配体的4个N原子和1个O原子配位形成变形的三角双锥结构,桥头N和O为锥顶,4个配位N中桥头N与金属离子的配位作用最弱。晶体通过p-p堆积和分子内、分子间的氢键作用形成二维层状超分子结构。     

Synthesis and Crystal Structure of a New Tetracopper Complex [Cu(H_2O)_3Cu(HCDTA)]_2(ClO_4)_2·H_2O

A new tetracopper complex [Cu(H2O)3Cu(HCDTA)]2(ClO4)2·H2O (CDTA = transcyclohexane-1,2-diamine-N,N,N′,N′-tetraacetate) has been prepared and characterized by singlecrystal X-ray diffraction analysis. The crystal adopts space group C2/c with a = 16.990(10), b = 9.150(5), c = 29.318(17) , β = 104.289(9)°, V = 4417(4) 3, Z = 4, C28H52Cl2Cu4N4O31, Mr = 1265.80, Dc = 1.904 g/cm3, μ = 2.130 mm-1, F(000) = 2584, T = 293(2) K, the final R = 0.0328 and wR = 0.0809 for 4938 observed reflections (I 2σ(I)). The tetracopper units are interconnected by weak covalent bonds into a layered structure.     

新型层状磷酸铝[Al6P8O32][(C2H5)2NHCH2CH2NH3]2·[C2H5NH2CH2CH2NH2C2H5] 的合成、表征及其共模板作用

在溶剂热体系中,以N,N-二乙基乙二胺为结构导向剂,合成了Al/P为3/4的层状磷酸铝[Al6P8O32][(C2H5)2NHCH2CH2NH3]2·[C2H5NH2CH2CH2NH2C2H5]单晶,并通过X射线单晶衍射结构分析.XRD,ICP,元素分析,差热-热重分析等手段进行了表征.该化合物属单斜晶系,P2(1)/c空间群,晶胞参数:a=0.90945(2)nm,b=1.46424(4)nm,c=1.87572(5)nm,β=102.672(2)°,Z=4.其阴离子层由AlO4四面体和PO3(=O)四面体单元交替连接构成,形成四、六、八元环拓扑结构,无机层以ABAB方式堆积,两种质子化的有机胺分子N,N-二乙基乙二胺及其重排产物N,N′-二乙基乙二胺填充在层间.用分子动力学模拟方法,考察了标题化合物中有机胺与无机层间的相互作用,讨论了这两种有机胺的共模板作用.     

Mn(Ⅲ)Schiff碱配合物的合成、结构及性能

合成Schiff碱配体C20H14N2(OH)2(N,N' 双水杨醛缩邻苯二胺)及相应的两个新Mn(Ⅲ)C20H14N2(OH)2 配合物[Mn(C20H14N2O2)(H2O)(CH3OH)]ClO4(1)和[Mn(C20H14N2O2)(C7H5O2)]·CH3CN(2)(C7H5O2 为水杨醛),并测定了它们的晶体结构。结果表明,配合物1属单斜晶系 ,晶胞参数为 :a=1.1748(7)nm,b=1.3985(7)nm,c=1.3538(4)nm,β=92.63°,V=2.222(2)nm3,空间群为P21/n,Z=4;配合物2也属单斜晶系 ,空间群P21/n ,晶胞参数 :a=1.0252(2)nm ,b=2.0146(3)nm,c=1.2494(4)nm,β=111.12(2)°,V=2.407(2)nm3,Z=4。紫外 可见光谱表明,配合物1和2分别在584nm和592nm处有一吸收,属于MnⅢ的d d跃迁光谱。     

HEDTA-H_3Cit体系阳离子交换色层法分离镱和镥的研究

用N-羟乙基乙二胺-N,N′,N′-三乙酸(HEDTA)-柠檬酸(H3Cit)体系作淋洗剂,阳离子交换色层法分离Yb,Lu。通过红外光谱分析和电位滴定法确定Yb-HEDTA-H3Cit三元配合物的形成;研究室温条件下HEDTA-H3Cit体系淋洗剂对Yb,Lu分离的效果,通过ICP-AES测定洗脱液中稀土离子的浓度,绘制淋洗曲线,根据曲线中交叉区洗脱液体积占含稀土离子总洗脱液体积的比例衡量分离效果。结果表明,用HEDTA-H3Cit体系淋洗剂分离Yb,Lu,当HEDTA与H3Cit摩尔比为1∶1时,比HEDTA淋洗剂具有更好的分离效果和更短的淋洗周期。     

八极分子2,4,6-三[4-[4-[N-乙基-N-(2-羟乙基)]氨基苯偶氮基]苯乙烯基]均三嗪的合成

以乙睛和乙醇为原料经2步反应合成了2,4,6-三甲基均三嗪(1);以对硝基甲苯和N-乙基苯胺为原料经3步反应合成了4-[4-[N-乙基-N-(2-羟乙基)]氨基苯偶氮基]苯甲醛(4);1与4在氢氧化钾的作用下经羟醛缩合合成了偶氮型八极分子2,4,6-三[4-[4-[N-乙基-N-(2-羟乙基)]氨基苯偶氮基]苯乙烯基]...     

Syntheses and Structural Researches of Nine-coordinate K_3[Tb~Ⅲ(nta)_2(H_2O)]·5.5H_2O and Eight-coordinate K_3[Yb~Ⅲ(nta)_2]·5H_2O

1 INTRODUCTION Because the rare earth metal complexes have promoting function to the growth of animals and plants[1] and many other biological activities[2～5], such as antiinflammation, antibacterium, anticoagu- lantion and anticaner, the investigation …     

3-硝基-1, 2, 4-三唑-5-酮钾配合物的制备、晶体结构和量子化学研究

通过3-硝基-1, 2, 4-三唑-5-酮(NTO)与氢氧化钾水溶液反应,制备了标题配合物, 并用TG, 元素分析, 红外光谱分析对它进行了表征。其结构用单晶分析法测定, 所得晶体学参数为a=0.6408(1),b=0.8218(1), c=1.2626(1)nm, β=100.63ⅲ(1), V=0.6535(1)nm^3,Z=4, Dc=1.892g.cm^-^3, μ=0.785mm^-^1, F(000)=376; 晶体属单斜晶系, 空间群为P21/n, 最终偏离因子R为0.0246。用EHMO计算表明, 标题化合物主要是靠静电引力形成的配合物, 中心原子K与H2O的配位较K与NTO环的结合弱, 预示热解优先脱水。     

Syntheses and Structural Researches of Nine-coordinate K3[TbIII(nta)2(H2O)]·5.5H2O and Eight-coordinate K3[YbIII(nta)2]·5H2O

The crystal and molecular structures of K3[TbIII(nta)2(H2O)](5.5H2O (nta = nitrilotriacetic acid) and K3[YbIII(nta)2](5H2O complexes have been determined by single-crystal Xray structural analyses. Because TbIII and YbIII have different ionic radii and electronic configura- tions, they take nine- and eight-coordinate structures with two nta ligands, respectively. The crystal of K3[TbIII(nta)2(H2O)](5.5H2O belongs to orthorhombic, space group Pccn with a = 1.6374(7), b = 1.9913(8), c = 1.5068(6) nm, V = 4.913(3) nm3, Z = 8, Mr = 769.54, Dc = 2.081 g/cm3, μ= 3.476 mm-1 and F(000) = 3048. The final R and wR are 0.0432 and 0.0916 for 4961 observed reflections (I > 2.0(σI)), and 0.0814 and 0.1042 for all 21921 reflections, respectively. The [TbIII(nta)2(H2O)]3- complex anion has a nine-coordinate pseudo-monocapped square anti-prismatic structure, in which two N and six O coordinated atoms are from two nta ligands and the left ninth O atom from one water molecule. The crystal of K3[YbIII(nta)2]·5H2O is of monoclinic, space group P21/c with a = 1.5579(5), b = 0.9981(3), c = 1.5956(5) nm, β = 109.776(5), V = 2.3348(13) nm3, Z = 4, Mr = 756.62, Dc = 2.153 g/cm3, μ= 4.624 mm-1 and F(000) = 1484. The final R and wR are 0.0253 and 0.0657 for 4123 observed reflections (I > 2.0(σI)), and 0.0320 and 0.0731 for all 9414 reflections, respectively. The [YbIII(nta)2]3- complex anion has an eight-coordination structure with a distorted square antiprismatic prism, in which each nta acts as a tetradentate ligand with one N atom from the amino group and three O atoms from the carboxylic groups.     

Hydrothermal Synthesis and Structure of a Novel Binuclear Molybdenum Complex with Oxalate Ligand,(enH2){NH4[Co(en)3][Mo2O7(C2O4)]}2·2H2O

The title complex (enH2){NH4[Co(en)3][Mo2O7(C2O4)]}2·2H2O (C18H70Co2Mo4- N16O24, Mr = 1396.52) was obtained under hydrothermal conditions and its crystal structure has been determined by single-crystal X-ray diffraction. It crystallizes in the monoclinic system, space group P21/c with a = 17.8023(8), b = 7.7527(4), c = 16.9781(4)A,β= 103.878(7)°, V = 2274.8(2) A3, Dc = 2.039 g/cm3, Z = 2,μ(MoKα) = 1.878 mm-1 and F(000) = 1408. The final R = 0.0410 and Wr = 0.1070 for 4065 observed reflections with I≥2σ(I). The crystal structure is composed of bi- nuclear [Mo2O7(C2O4)]4- anions, complex [Co(en)3]2+ cations, protonated ethylenediamine cations, ammonium cations and crystal water molecules, which are held together into a three-dimensional network via hydrogen-bonding interactions. The binuclear structure of [Mo2O7(C2O4)]4- consist of one MoO4 and one MoO6 octahedra through sharing a bridging oxygen atom, where the oxalate ligand acts as a bidentate ligand coordinating to the octahedral molybdenum atom though two deprotonated corboxylate groups.     

Synthesis and Crystal Structure of an Ion-pair Compound: [H_2(teta)]~(2+)·[Ni(CN)_4]~(2-)·2H_2O (teta = Meso-5,7,7,12,14,14-hexamethyl- 1,4,8,11-tetraazacyclotetradecane)

1INTRODUCTION The macrocyclic compounds play an important ro-le in life science and materials science[1].In recent years,teta has gained extensive attention as a raw material of crystal engineering,and its coordination behavior with metallic ion has been …     

Synthesis and Crystal Structure of an Ion-pair Compound:[H2(teta)]2+·[Ni(CN)4]2-·2H2O(teta=Meso-5,7,7,12,14,14-hexamethyl- 1,4,8,11-tetraazacyclotetradecane)

The ion-pair compound [H2(teta)]2+·[Ni(CN)4] 2-·2H2O (C20H42N8NiO2, teta = meso- 5,7,7,12,14,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane) was synthesized and characterized by single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P21/n with a = 10.0784(10), b = 9.5411(7), c = 14.1010(14)(A), β= 106.752(2)o, V = 1298.4(2) (A)3, Mr = 485.33, Z = 2, Dc = 1.241 g/cm3,μ(MoKα) = 0.778 mm-1 and F(000) = 524. The structure was refined to R = 0.0391 and wR = 0.0870 for 2614 observed reflections with I > 2σ(I). The title compound contains one [Ni(CN)4]2- anion, one protonated macrocyclic tetraamine cation [H2(teta)]2+ and two water molecules. There are multiform hydrogen bonds in the compound to link the different components and stabilize the crystal structure.     

丙酰皮考林酰肼(C_9H_(11)N_3O_2 )的合成和晶体结构

合成了标题化合物(C9H11N3O2,Mr=193.21),晶体属于单斜晶系,空间群为C2/c, a=13.703(1),b = 9.142(1), c = 16.437(2)?, ( = 105.547(3)(,V = 1983.8(4)?,Z = 8, Dc=1.294g/cm3, F(000)= 816,(??o?α)=0.094 mm-1,R=0.0527, wR=0.1517,I(2((I)的可观察衍射点1596个。有机分子间以氢键相联并形成网状结构,N(2)-H...N(1a)(a: -x+1, y, -z+1/2)和N(3)-H…O(2b)(b: -x+1/2, y-1/2, -z+1/2)键键长分别为3.007(2)和2.786(2)?。     

[Cu(en)_2]~(2+)修饰的二维仲钨酸化合物:[{Na_3(H_2O)_(10)}_2H_2{Cu(en)_2(H_2W_(12)O_(42))}]·16H_2O(英文)

利用水热合成法制备了一种基于[Cu(en)2]2+修饰的仲钨酸化合物:[{Na3(H2O)10}2H2{Cu(en)2(H2W12O42)}].16H2O(en=乙二胺)(1),借助元素分析、X射线单晶衍射分析I、R、UV、热分析和X射线光电子能谱对这种化合物进行了结构和性质研究.化合物(1)属于三斜晶系,P-1空间群.晶胞参数为:a=1.183 2(5)nm,b=1.296 0(6)nm,c=1.416 9(6)nm,α=63.348 0(10)°,β=82.844 0(10)°,γ=68.907 0(10)°,V=1.810 0(14)nm3,Z=1,R1[I2σ(I)]=0.024 7,wR2[I2σ(I)]=0.058 2.化合物(1)通过仲钨酸阴离子,铜离子和[Na3(H2O)10]3+三核簇形成了新型的二维层状结构.     

Hydrothermal Synthesis, Structural Characterization and Properties of Mixed Valent Decavanadium Oxide [Co_2Cl_8V_(10) O_(18)(H_2O)]Cl_2·6H_2O with Novel Three-dimensional Framework

IntroductionPolyoxometalates constitute an enormous classof compounds whose unusual versatility and reac-tivity afford practical applications to many fields,such as catalysis,biology,medicine,and materialsciences[1— 4] .In recent years,hydrothermal tech-nique has become a vital tool in self- assemblychemistry.This technique,in combination with or-ganic templates,has been demonstrated to be wellsuited for the synthesis and the crystal growth ofpolyoxometalates with novel structures[5— 9] .Amo…     

Synthesis, characterization, and chiral properties of CoIII2AgI3 pentanuclear, CoIII4ZnII4 octanuclear, and CoIII mononuclear complexes with aza-capped hexadentate-N3S3 thiolate ligands: crystal structures of

The reaction of an S-bridged Co2(III)Ag3(I) pentanuclear complex, [Ag3[Co(aet)3]2][BF4]3 (aet = NH2CH2CH2S-), with paraformaldehyde in basic acetonitrile, followed by adding aqueous ammonia, produced an aza-capped Co2(III)-Ag3(I) complex, [Ag3[Co(L)]2]3+ ([1]3+) (L = N(CH2NHCH2CH2S-)3). The crystal structure of [1]3+ was determined by X-ray crystallography. [1][PF6]3 x H2O, empirical formula C18H44Ag3Co2F18N8OP3S6, crystallizes in the tetragonal space group 142m with a = 13.012(1) A, c = 24.707(2) A, and Z = 4. In [1]3+ the two aza-capped [Co(L)] units are linked by three Ag(I) atoms, such that the two Co(III) atoms are encapsulated in a macrobicyclic metallocage, [Ag3(I)(L)2]3-. [1]3+ was converted to an aza-capped Co4(III)Zn4(II) octanuclear complex, [Zn4O[Co(L)]4]6+ ([2]6+), by reaction with I- in the presence of Zn2+ and ZnO in water. The crystal structure of [2]6+ was also determined by X-ray crystallography. [2][PF6]6 x 8H2O, empirical formula C36H100Co4F36N16O9P6S12Zn4, crystallizes in the monoclinic space group P2(1/n) with a = 14.33(7) A, b = 25.67(10) A, c = 24.83(6) A, beta = 101.3(3) degrees , and Z = 4. In [2]6+ each of four [Co(L)] units is bound to each trigonal Zn3(II) face of the tetrahedral [Zn4(II)O]6+ core, such that each Co(III) atom is encapsulated in a macrobicyclic [Zn4(II)O(L)] fragment. Treatment of [2]6+ with a basic aqueous solution resulted in a cleavage of the Zn-S bonds to produce an aza-capped Co(III) mononuclear complex, [Co(L)] ([3]), from which [1]3+ is readily reproduced by the reaction with Ag+ in water. All the reactions were found to proceed with retention of the absolute configuration (delta or lambda) of the Co(III) chiral centers; deltadelta-[1]3+, deltadeltadeltadelta-[2]6+, and A-[3] were derived from deltadelta-[Ag3[Co(aet)3]2]3+. The contributions to circular dichroism (CD) from the triple helicity in [1]3+, besides from the asymmetric N and S donor atoms and the Co(III) chiral centers in [1]3+ and [2]6+, were estimated by comparing the CD spectra of deltadelta-[1]3+, deltadeltadeltadelta-[2]6+, and delta-[3].