N,N'-亚水杨基皮考林酰肼合铜的晶体结构及荧光性质

N;N'-亚水杨基皮考林酰肼合铜的晶体结构及荧光性质     

一个双螺旋配合物[Cd2L2(2,2'-bipy)2]n的合成、晶体结构与荧光性质

A flexible carboxylic ligand, l,4-benzenebis(thioacetic acid) (H2L), has been employed to assemble with Cd(Ⅱ) ions under hydrothermal conditions, generating a new complex [Cd2L2(2,2'-bipy)2]n (1). X-ray diffraction reveals the complex 1 possesses a self-assembly double helix structure deriving from [Cd2L2(2,2'-bipy)2] units linked by L2-ligands. A 3D infinite framework is constructed via π-π stacking of 2,2'-bipy. The photoluminescent properties in solid state were investigated.     

配合物[CdCl(HL)(dpp)(H_2O)]_n.nH_2O的合成、晶体结构与荧光性能研究

Under hydrothermal condition, the reaction of 3-hydroxy-1-adamantaneacetic acid (H_2L) with CdCl_2 and 1,3-di-4-pyridylpropane (dpp) has afforded a new Cd(Ⅱ) compound, [CdCl(HL)(dpp)(H_2O)]_n·nH_2O (1), which was structurally characterized by single-crystal X-ray diffraction analysis. The crystal is triclinic, space group P1 with α= 1.091 0(1) nm, b=1.131 8(1) nm, c=1.246 4(1) nm, α=88.52(1)°,β=71.34(1)°, γ=68.11(1)°, V=1.345 2(1) nm~3, Z=2, M_r=591.40, F(000)=608, D_c= 1.460 g·cm~(-3), μ=0.947 mm~(-1), the final R=0.040 1 and wR=0.104 0 for 4 950 observed reflections (I>2σ(I)). Complex 1 consists of one-dimensional chains deriving from CdCl(HL)(H_2O) units linked by dpp ligands, and lattice water molecules decorate between the chains. The O-H……O and O-H……Cl hydrogen bonds lead to the formation of a 2D layer structure.     

一维链状萘氧乙酸镉(Ⅱ)配位聚合物[Cd_2(2-naph)_4(H_2O)_2]_n的水热合成、晶体结构及荧光性质

<正>羧酸配位聚合物是金属离子与有机羧酸构造块通过配位键和其他分子间弱作用力经自组装而成的一维、二维、三维的配位聚合物。由于这些配位聚合物具有新颖的拓扑结构和在功能材料方面的潜在应用,又由于羧酸配合物比较稳定,所以设计和调控特殊配位聚合物成了当前的研究热点[1-2]。相     

基于3,5-二(氧乙酸基)苯甲酸构建的多核锰(Ⅱ)配位聚合物的合成、晶体结构和氧化-还原性质

采用1,3-二（4-吡啶基）丙烷为模板剂,水热法合成了3个以3,5-二（氧乙酸基）苯甲酸（H₃BOABA）为配体的多核Mn（Ⅱ）配位聚合物：{（H₃O）[Mn₄（BOABA）₂（OH）₃（H₂O）]·H₂O}_n（1）,{（H₃O）₄[Mn₇（BOABA）₄（OH）₆（H₂O）₂]}_n（2）,{（H₃O）₄[Mn₇（BOABA）₄（OH）₄（Cl）₂（H₂O）₂]·2H₂O}_n（3）。通过X射线衍射,元素分析、红外光谱和热重分析进行了结构表征。结构分析表明,1为正交Pbcm空间群,由四核锰簇单元[Mn₄（μ₃-OH）₃（COO）₁₀]构成具有（5,12）-连接的3D网络结构,拓扑符号为（3².4⁷.5）₂（3⁸.4²³.5¹⁴.6²¹）。配位聚合物2与3为异质同构化合物,属正交Ccma空间群,分别由七核锰簇单元[Mn₇（OH）₆（COO）₁₆]和[Mn₇（OH）₄Cl₂（COO）₁₆]构成的具有（3,12）-连接的2D网络结构,拓扑符号为（4³）₄（4³⁰.6²⁴.8¹²）。测定了聚合物的氧化-还原电位。     

3,5-二(吡啶-4-甲氧基)苯甲酸和芳香二羧酸配体构建的具有3,4-连接四重和三重穿插的d10金属配位聚合物

以3,5-二(吡啶-4-甲氧基)苯甲酸(HL)与芳香二羧酸为配体,在水热条件下与Zn(Ⅱ)或Cd(Ⅱ)盐反应得到4个具有3,4-连接多重穿插结构的配位聚合物:[Zn₂L₂(tdc)]n (1),{[Zn₄L₄(Hhdc)₂]·H₂O}n (2),{[Zn₂L₂(Hhdc)]·H₂O}n (3),{[Cd₂L₂(bdtc)(H₂O)]·0.5H₂O}n (4)(H₂tdc=2,5-噻吩二甲酸,H₃hdc=5-羟基间苯二甲酸,H₂bdtc=1,4-苯二硫乙酸).晶体结构分析表明,聚合物1~3具有3,4-连接四重穿插的三维网络结构,拓扑符号分别为(4.8²)(4.8⁵) (1)、(6³)(6⁵.8) (2)和(6³)(6⁵.8) (3).4为3,4-连接三重穿插的二维平面结构,拓扑符号为(6³)(6⁶).测定了配位聚合物1、3和4的热稳定性和荧光性质.     

以5-(6-羧酸-2-萘基)-间苯二羧酸为配体构筑的两个镉的金属-有机骨架化合物的合成、晶体结构及荧光性质

在溶剂热条件下,以不对称三羧酸5-(6-羧酸-2-萘基)-间苯二羧酸(H₃L)为配体合成了2个镉的金属-有机骨架化合物:{[Cd₃L₂(H₂O)₃]·6DMF}_n(1)和{[Cd₃L₂(H₂O)₄]·3DMA}_n(2)。通过X射线单晶衍射,粉末衍射,热重和红外光谱进行了结构表征。结构分析表明,1和2形成3,6-连接的三维结构,其拓扑符号分别为:(4⁵.6⁴.8⁶)(4³)₂和(6¹².8³)(6³)₂。此外,还对2个化合物进行了荧光分析。     

Syntheses,Crystal Structures and Thermal Properties of Two Dicadmiun(II) Complexes Cd_2L_2X_2(HL=N-(3-Methoxylsalicylidene)-3-dimethylaminopropylamine,X = Cl(1),NCS(2))

Two Cd(II) complexes, Cd2L2Cl2(1) and Cd2L2(NCS)2(2)(HL = N-(3-methoxyl-salicylidene)-3-dimethylaminopropylamine) were synthesized and determined by EA, IR, TG and single-crystal X-ray diffraction.The crystallographic data are as follows:monoclinic, space group P21/n, a = 9.2710(9), b = 18.0069(18), c = 18.5562(19) , β = 99.741(4)o, V = 3053.1(5), Z = 4, μ = 1.605, F(000) = 1536, R = 0.0264 and wR = 0.0699 for 1;orthorhombic, space group Pca21, a = 16.196(3), b = 11.506(2), c = 36.126(7), V = 6732(2), Z = 8, μ = 1.428, F(000) = 3264, R = 0.0376 and wR = 0.0877 for 2.There are two geometrically different octahedral Cd(II) atoms, with N4O2 and O4Cl2 donor sets for 1 while N4O2 and N2O4 for 2.In the dinuclear Cd(II) centers, the Cd(II) atoms are held together by two deprotonted phenolate oxygen atoms from tetradentate L-ligands.The thermal gravity data show two step decompositions with the residues of CdO for two complexes.     

两个N,N′-亚乙基双(1-苯基-3-亚氨基-1-丁酮)锰(Ⅲ)配合物的合成、表征和晶体结构

合成了两个N,N′－亚乙基双（1－苯基－3－亚氨基－1－丁酮）（简写为H2bzacen)的锰配合物Mn(bzacen).(NO2)EtOH)(1)和Mn(bzacen)(NO2)MeOH)(2)。晶体结构分析表明：配合物1晶体属正交晶系,空间群Pbca,晶胞参数a=2.8173(6)nm,b=2.1946(4)nm,c=0.7683(6)nm,V=4.750(5)nm^3,Z=8, μ=5.71cm^-1,R=0.0540.配合物2晶体属正交晶系,空间君Pbca晶胞参数a=27641(6)nm,b=2,1832(4)jnm,c=0.7705(2)nm,V=4.650(3)nm^3,Z-8, μ=5.81cm^-1,R=0.0564。在这两个配合物中,Mn( Ⅲ）原子均具有畸变的N2O4八面体配位构型,整个晶体通过分子间氢键作用形成一维的无限链, 红外光谱表明,配体在形成配合物后,VC=N和VC＝O和VC－＝C谱带移向低频,NO^-2以一个O原子与Mn（Ⅲ）配位,电子光谱表明存在d-d^*,π－π^*和d－π的跃迁。