以3,5-二甲基-1H-1,2,4-三氮唑及对苯二甲酸根构筑的三维锌配位聚合物的合成、晶体结构及荧光性质(英文)

水热法合成了1个新颖的锌配位聚合物{[Zn3(Hdmtrz)2(1,4-bdc)3]·2H2O}n(1,Hdmtrz=3,5-二甲基-1-H-1,2,4-三氮唑,1,4-bdc=对苯二甲酸根),对其进行了红外光谱、元素分析、X射线粉末衍射和热重分析等表征,并用X-射线单晶衍射法测定了配合物的单晶结构。该配合物属三斜晶系,P1空间群,晶胞参数为a=0.917 97(18)nm,b=0.983 3(2)nm,c=1.071 7(2)nm,α=100.81(3)°,β=102.589(3)°,γ=106.90(3)°,V=0.8418(3)nm3,Z=1。该化合物为三维框架结构,拓扑类型为pcuα-Po简单立方格子,Schl覿fli符号记为{412·63}。室温固态荧光测试显示,配合物在471 nm(λmax)具有强的荧光吸收。     

由吡嗪二甲酸及双咪唑基配体构筑的锌配位聚合物的合成、晶体结构及荧光性质

通过水热法合成了一个新的金属-有机配位聚合物[Zn(pzdc)(bix)0.5(H2O)]n(1)(H2pzdc=吡嗪-2,3-二甲酸,bix=1,4-双(咪唑基1-甲基)-苯)。并对其进行了元素分析、红外光谱、紫外光谱和X-射线单晶衍射测定。该配合物属于三斜晶系,P1空间群。晶体学数据:a=0.737 27(8),b=1.004 45(12),c=1.079 10(13)nm,α=113.771(2),β=102.005(2),γ=93.586(2)°,V=0.705 71(14)nm3,C13H11N4O5Zn,Mr=368.63,Dc=1.735 g.cm-3,μ(Mo Kα)=1.773 mm-1,F(000)=374,Z=2,最终R=0.027 6,wR=0.067 7用于2 460个可观测点。在晶体结构中,锌离子通过吡嗪-2,3-二甲酸和1,4-双(咪唑基1-甲基)-苯)配体桥联成二维层状结构。而且该配合物通过氢键和π-π堆积作用扩展成三维超分子网状结构。此外还研究了它的荧光性质。     

以草酸及咪唑基配体构筑的二维网状锌(Ⅱ)配位聚合物的合成、晶体结构及荧光性质

通过水热法合成了一个新的配位聚合物[Zn(C2O4)(1,3-bix)]n(1,H2C2O4=草酸,1,3-bix=1,3-双(咪唑基-1-甲基)-苯)。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。该配合物属于三斜晶系,P1空间群。在晶体结构中,锌原子为六配位与来自2个不同的C2O42-配体上的4个羧基氧原子和来自2个不同的1,3-bix配体上的2个氮原子配位,呈现畸变的八面体几何构型。而且该配合物通过氢键和π-π堆积作用扩展成三维超分子网状结构。此外还研究了它的荧光性质。     

基于对苯二甲酸根及邻菲咯啉的铁(Ⅱ)配位聚合物的水热合成、晶体结构和荧光性质

以对苯二甲酸(H2bdc)、邻菲咯啉(phen)和硫酸亚铁为原料,在水热条件下合成了一个新的配位聚合物[Fe(phen)(bdc)(H2O)]n,并对其进行了元素分析、红外光谱、紫外-可见光谱、热重和X-射线单晶衍射表征。该聚合物属于三斜晶系,P1空间群。每个Fe髤与2个N原子和3个O原子配位形成高度畸变的三角双锥结构,2个Fe髤由配体对苯二甲酸离子桥联为一维链状结构,链与链之间通过O-H…O氢键作用形成三维结构。荧光测试表明配合物在368 nm处有荧光发射。     

基于对苯二甲酸根及邻菲咯啉的铁(Ⅱ)配位聚合物的水热合成、晶体结构和荧光性质

以对苯二甲酸(H₂bdc)、邻菲咯啉(phen)和硫酸亚铁为原料, 在水热条件下合成了一个新的配位聚合物[Fe(phen)(bdc)(H₂O)]_n, 并对其进行了元素分析、红外光谱、紫外-可见光谱、热重和X-射线单晶衍射表征。该聚合物属于三斜晶系, P1空间群。每个Fe(Ⅱ)与2个N原子和3个O原子配位形成高度畸变的三角双锥结构, 2个Fe(Ⅱ)由配体对苯二甲酸离子桥联为一维链状结构, 链与链之间通过O-H…O氢键作用形成三维结构。荧光测试表明配合物在368 nm处有荧光发射。     

锌、镉配位聚合物的合成、晶体结构及荧光性质

通过水热法合成了2个金属-有机配位聚合物[Zn(boba)(bix)]n(1)和[Cd(L1)(L2)]2n·nH2O(2)(H2boba=4,4′-(丁烷-1,2-二氧基)-二苯甲酸,bix=1,4-双(咪唑基-1-基)苯,H2L1=4-(羧基甲氧基)苯甲酸,L2=2-(4-羟基)-1H-咪唑并[4,5-f][1,10]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为二维网状结构,配合物2为一维双链结构。此外,还研究了它们的荧光性质。     

锌、镉配位聚合物的合成、晶体结构及荧光性质

通过水热法合成了2个金属-有机配位聚合物[Zn（boba）（bix）]_n=（1）和[Cd（L1）（L2）]_2n=·nH₂O（2）（H₂boba=4,4’-（丁烷-1,2-二氧基）-二苯甲酸,bix=1,4-双（咪唑基-1-基）苯,H₂L1=4-（羧基甲氧基）苯甲酸,L2=2-（4-羟基）-1H-咪唑并[4,5-f][1,10]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为二维网状结构,配合物2为一维双链结构。此外,还研究了它们的荧光性质。     

以4,4′-二(苯并咪唑-1-甲基)联苯及邻苯二甲酸根构筑的锌配位聚合物的合成、晶体结构及荧光性质(英文)

水热法合成了1个新的锌配位聚合物[Zn(bbmb)(Pht)]n(bbmb=4,4′-二(苯并咪唑-1-甲基)联苯;H2Pht=邻苯二甲酸),对其进行了红外光谱、元素分析、PXRD和TGA等表征,并用X-射线单晶衍射法测定了配合物的单晶结构。该配合物属单斜晶系,P21/c空间群,为二维层状结构。晶胞参数为a=1.085 28(10)nm,b=2.286 7(2)nm,c=1.218 53(12)nm,β=102.589(3)°,V=2.951 3(5)nm3,Z=4。室温固态荧光测试显示,配合物在416 nm(λmax)具有强的荧光吸收。     

基于苯并咪唑-5-羧酸和对苯二甲酸配体构筑的二维镉配位聚合物的合成、晶体结构及荧光性质

水热条件下利用苯并咪唑-5-羧酸,1,4-对苯二甲酸和Cd（NO₃）₂·4H₂O为反应物合成出了一个配位聚合物{[Cd（Hbic）（bdc）_1/2]·H₂O}_n（1）,并分别用元素分析,红外谱图,热重分析,X-射线粉末衍射和X-射线单晶衍射对其结构进行表征。结构分析表明该化合物为二维层状结构,其中每个独立的层都是由两种芳环羧酸配体连接链状的[Cd（COO）]_n次级构筑单元所构成,有趣的是在二维层中还存在着笼状的空腔结构。邻近的二维层之间通过分子间氢键和π-π堆积作用进一步扩展为三维超分子结构。荧光谱图表明常温固态下配合物1发射绿色荧光,最大发射峰位于506 nm.     

一个由咪唑衍生物构筑的二重穿插的锌配位聚合物的合成、结构及荧光性质

以ZnCl2、H3IDC(咪唑-4,5-二羧酸)和bix(1,4-双(咪唑基-1-甲基)-苯)为原料,在水热条件下得到了1个新的二重穿插的三维层-柱状金属-有机框架结构的配位聚合物{[Zn3(IDC)(bix)1.5Cl3].0.25H2O}n(1),并通过元素分析、红外光谱、热重分析以及单晶X-射线结构分析对其组成和结构进行了表征。单晶X-射线结构分析表明,配合物1的晶体属于单斜晶系,P21/c空间群,a=1.158 44(17)nm,b=1.088 75(16)nm,c=2.391 7(3)nm,β=96.835(2)°,V=2.995 1(8)nm3,Z=4,Dc=1.813 g.cm-3,F(000)=1 638,对于4 772个可观测点(I>2σ(I)),最终残差因子R1=0.037 9,wR2=0.089 6。在配合物1中,每个IDC3-分别桥联4个锌(Ⅱ)离子形成一维锯齿形链状结构,一维链通过cis-μ2-bix的2个氮原子连接形成二维网状结构,相邻的二维层之间再通过trans-μ2-bix的2个氮原子进一步连接形成了二重穿插的三维层-柱状金属-有机框架结构。固体室温荧光测试结果表明,配合物1在波长为400 nm的光激发下于468 nm处出现强烈的荧光发射。     

Synthesis and Structure of a New Coordination Polymer Based on Indium and 1,4-Benzenedicarboxylate

A new coordination polymer {[In(bdc)(OH)]·4H2O}n(H2bdc=1,4-benzenedi-carboxylic acid) has been synthesized through hydrothermal conditions,and was characterized by X-ray single-crystal diffraction and other measurements.The complex crystallizes in the orthorhombic system,space group Imma with a=18.3621(13),b=7.1932(5),c=11.8278(8),V=1562.24(19)3,Z=4.Dc=1.565g/cm3,Mr=368.00,F(000)=728,μ(MoKα)=1.542 mm-1,S=1.019,R=0.0468 and wR=0.1326 for 884 observed reflections(2σ(Ⅰ)).The title compound represents a 3-D framework containing four kinds of tunnels in different shapes and sizes.     

Synthesis,Structure and Photoelectric Property of a 3D Supramolecular Zinc Coordination Polymer

Using a rigid azo ligand 4-[(8-hydroxy-5-quinolinyl)azo]-benzoic acid(H2 L),a new supramolecular compound [Zn(L)(H_2O)_2]_n(1) has been solvothermally synthesized and structurally characterized by X-ray single-crystal diffraction,infrared spectrum,elemental analysis,power X-ray diffraction and thermal analysis.Compound 1 crystallizes in monoclinic,space group C2/c with a = 30.372(8),b = 11.415(3),c = 9.248(3) ?,β = 106.94(3)o,V = 3067.20(15) ?3,C_(16)H_(13)N_3O_5Zn,M_r = 392.66,Z = 8,D_c = 1.701 Mg/m~3; F(000) = 1600,μ = 1.636 mm~(-1),reflections collected:7290,reflections unique:2735,R_(int)= 0.0282,R = 0.0351,wR(all data) = 0.0919,GOOF on F~2 = 1.036.Compound 1 exhibits a one-dimensional(1 D) zig-zag chain structure connected into a three-dimensional(3D) supramolecular network through hydrogen bonding interactions.Fluorescent property and electrochemical property were detected on compound 1.     

Synthesis, Crystal Structure and Luminescence Property of a 2D Mn（II） Coordination Polymer Based on Isoniazid

A novel 2D Mn(Ⅱ) coordination polymer [Mn(CH3COO)2(INH)]n(INH=isoniazid) has been synthesized in DMF solution with isoniazid and Mn(CH3COO)2 . The polymer was characterized by single-crystal X-ray diffraction analysis, FTIR and X-ray powder diffraction (XRPD). The crystal belongs to the monoclinic system, space group P2 1 /c with a=9.3251(18), b=16.340(3), c=8.8096(17) , β=94.747(3)°, V=1337.7(4) 3 , Z=4, μ(MoKα)=1.006 mm -1 , F(000)=636, R=0.0754 and wR=0.1375 (I > 2σ(I)). In the complex, each Mn(Ⅱ) atom is coordinated to three CH3COO- groups and two INH ligands. The Mn(Ⅱ) atoms locate in a distorted coordination octahedron and are bridged by CH3COO- ions to form a 1D S shaped chain extending along the c direction. The INH molecules act as bridges to link the Mn(Ⅱ) atoms of adjacent chains and further construct a lamellar polymer. The remaining coordination site is occupied by an O atom of the other CH3COO-. The experimental results show that the title complex has good luminescence property and could be used as potential optical materials.     

Hydrothermal Synthesis,Crystal Structure and Luminescence Property of a 2D Manganese(Ⅱ) Coordination Polymer

Solvothermal reactions of MnCl_2·4H_2O with(pyridin-2-yl)methyl 4-(2-(4-((pyridin-2-yl)methoxy)phenyl)diazenyl)benzoate(L1) via an in situ ligand transformation reaction produced a new coordination polymer, {[Mn_(2.5)Cl_3L_2(H_2O)]·H_2O}_n(1, where HL = 4-(2-(4-((pyridin-2-yl)methoxy)phenyl)diazenyl)benzoic acid). The L1 ligand was decomposed in situ to L~- which was coordinated with Mn(Ⅱ) to form compound 1 in the solvothermal synthesis process. Complex 1 was characterized by IR spectroscopy, powder X-ray diffraction and single-crystal X-ray diffraction.Compound 1 possesses a 2D network. In addition, stability and photoluminescent property of 1 were also investigated.     

Synthesis,Structure and Properties of an Unusual 2D Network Zinc Coordination Polymer Based on Pentanuclear Zinc Cluster

An unusual zinc(II) coordination polymer [Zn₅(OH)₂(bbtz)₂(bdc)₄]_n ( 1 ) [bbtz?1,4‐bis(1,2,4‐triazol‐1‐ylmethyl)benzene, bdc?1,2‐benzenedicarboxylate] was synthesized and characterized. 1 contains an unusual 2D network based on pentanuclear zinc(II) cluster [Zn₅(OH)₂]. Two adjacent pentanuclear Zn(II) clusters are bridged by four bdc ligands and extend to form the one‐dimensional chain. The bbtz ligands further link the one‐dimensional chains, resulting in a two‐dimensional coordination network. The luminescence and thermal stability were investigated.     

基于半刚性V型3,5-吡啶二甲酰腙类配体构筑的锌螺旋配位聚合物的合成、晶体结构和荧光性质

合成了配体N,N＇-二（吡啶-2＇-甲亚基）-3,5-吡啶二甲酰肼（bpmphz,1）及其锌的螺旋配位聚合物({[Zn₂(bpmphz)(Ac)₂]·CH₃OH·H₂O}n,2),利用元素分析、红外光谱、荧光光谱、热重和X射线粉末衍射等手段进行了表征。1和2晶体都属于正交晶系,1为Pcca空间群,晶胞参数：a=2.0163(1) nm,b=1.00234(6) nm,c=1.99586（8） nm,V=4.0336(4) nm³,Z=8,分子间通过氢键形成一维超分子链状结构;2为P2₁2₁2₁空间群,晶胞参数：a=1.09488(6) nm,b=1.17312(6) nm,c=2.1686(1) nm,V=2.7855(3) nm³,Z=4,配合物通过配位键形成三维超分子网状结构,结构中包含一种单股右手螺旋。1和2均能发射荧光,最大发射波长分别为470和510 nm。     

基于半刚性V型3,5-吡啶二甲酰腙类配体构筑的锌螺旋配位聚合物的合成、晶体结构和荧光性质

合成了配体N,N′-二(吡啶-2′-甲亚基)-3,5-吡啶二甲酰肼(bpmphz,1)及其锌的螺旋配位聚合物({[Zn2(bpmphz)(Ac)2]·CH3OH·H_2O}n,2),利用元素分析、红外光谱、荧光光谱、热重和X射线粉末衍射等手段进行了表征。1和2晶体都属于正交晶系,1为Pcca空间群,晶胞参数:a=2.016 3(1)nm,b=1.002 34(6)nm,c=1.995 86(8)nm,V=4.033 6(4)nm3,Z=8,分子间通过氢键形成一维超分子链状结构;2为P212121空间群,晶胞参数:a=1.094 88(6)nm,b=1.173 12(6)nm,c=2.168 6(1)nm,V=2.785 5(3)nm3,Z=4,配合物通过配位键形成三维超分子网状结构,结构中包含一种单股右手螺旋。1和2均能发射荧光,最大发射波长分别为470和510 nm。