一维链状配位聚合物[Cd(phen)(α-Furacrylic radical)2]n的水热合成、晶体结构及荧光分析

羧酸配合物具有丰富的拓扑结构,在磁学、光学、催化、生物等诸多领域有广泛的应用前景,人们对羧酸配合物的研究一直保持着浓厚的兴趣[1,2].     

一维配合物{[Cd(BDC)(bpimb)_(0.5)(H_2O)]·H_2O}_n的水热合成、晶体结构和荧光性质研究(英文)

水热合成了一个新配合物{[Cd(BDC)(bpimb)0.5(H2O)]·H2O}n。通过元素分析、红外光谱、热重以及X-射线单晶洐射对其进行了表征.该晶体属单斜晶系,P21/c空间群。Cd髤原子通过BDC和bpimb两种配体连接成一维带状结构,带与带之间通过O-H…O和C-H…O连接成三维超分子结构。室温下配合物具有较强的荧光发射光谱。     

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     

一维链状配位聚合物[Pb_2(C_8H_7O_2)_4(H_2O)_2]_n的合成、晶体结构及荧光性质

<正>近年来,铅的配位聚合物以其丰富的结构与在离子交换和光学等领域中的应用前景[1-3]而引起了广泛关注。由于铅的原子半径较大,可以形成较高的配位数[4-6];另外,二价铅的6s轨道上有一对孤对     

2D氢键网络镍配合物｛[Ni(4,4′-bipy)(H_2O)_4]·(α-furacrylic acid)_2·(H_2O)｝_n的水热合成、晶体结构及电化学性质

配位聚合物由于在催化材料、磁性材料和光学材料等领域中具有广泛的应用价值,近年来已引起人们的极大关注。含氮、含氧桥联配体是合成具有     

配合物[Cd(C_9H_8O_3N)_2(2,2′-bipy)(H_2O)]_2·(H_2O)_3的合成、结构及荧光和电化学性质(英文)

以对乙酰氨基苯甲酸和2,2′-联吡啶为配体合成了一个新配合物[Cd(C9H8O3N)2(2,2′-bipy)(H2O)]2·(H2O)3。该配合物晶体属三斜晶系,空间群P1,晶胞参数:a=1.2559(3)nm,b=1.5068(3)nm,c=1.6507(3)nm,α=112.14(3)°,β=101.83(3)°,γ=93.84(3)°,V=2.7959(10)nm3,Dc=1.592g·cm-3,Z=4,μ(MoKα)=0.840mm-1,F(000)=1364,最终偏离因子R1=0.0276,wR2=0.0683。标题配合物的不对称单元由2个独立的单核结构Cd(C9H8O3N)2(2,2′-bipy)(H2O)和3个晶格水分子组成。中心镉髤离子处于六配位的变形八面体环境中。本工作测定了配合物的荧光和电化学性能。     

一维链状铜(Ⅱ)配合物的合成、晶体结构及热稳定性研究

通过一种新的肟类配体HL(HL=1-(4-{[(E)-3-乙氧基-2-羟苯亚甲基]氨基}苯乙酮肟)与一水合乙酸铜反应,合成了一种铜(Ⅱ)配合物[Cu(L)2].CH3OH。X射线单晶结构分析表明该配合物是一种单核配合物,其中铜(Ⅱ)原子以四配位的形式分别与2个单肟配体的酚氧原子和亚胺氮原子结合,形成稍微扭曲的平面四边形几何构型。O和N配位原子互为反式,所形成的Cu1N2O2平面和Cu1N4O5平面的二面角为23.33(3)°。在这个晶体结构中,每1个配合物分子分别与近邻的2个配合物分子通过O-H…O氢键连接,沿b轴形成了1个一维的无限延伸的链状结构。     

一维链状配合物[Cd(FA)(pyim)(H2O)]的合成、晶体结构和荧光性质

A one-dimensional zigzag chain complex of Cd(FA)(pyim)(H₂O) (1) (H₂FA=4,4′-(hexafluoroisopropylid-ene)bis(benzoic acid) and pyim=2-(2-pyridyl)imidazole) was hydrothermal synthesized from Cd(NO₃)₂·4H₂O, 4,4′-(hexafluoroisopropylidene)bis(benzoic acid) and 2-(2-pyridyl)imidazole. Single-crystal X-ray analysis revealed that the zigzag chains of 1 are linked into three-dimensional supramolecular networks by both O-H…O hydrogen-bonds and π…π stacking interactions. The crystal is of monoclinic, space group P2₁/n with a=0.856 34(10) nm, b=1.020 49(12) nm, c=2.809 0(3) nm, β=98.115(2)°, V=2.430 2(5) nm³, D_c=1.820 g·cm^-3, Z=4, F(000)=1 320, Goof=1.009, R₁=0.047 0, wR₂=0.115 5. In addition, complex 1 exhibits strong photoluminescent emission at room temperature. CCDC: 733837.     

配合物[Cd(bpndc)(phen)2(H2O)]·2H2O的水热合成、晶体结构及荧光性质

由二苯甲酮-4,4′-二甲酸和邻菲咯啉为配体合成了1个新的镉化合物[Cd(bpndc)(phen)2(H2O)].2H2O(1)(H2bpndc=二苯甲酮-4,4′-二甲酸),并对其进行了元素分析、IR及X-射线衍射法表征。晶体结构表明:配合物1属于四方晶系,I41/a空间群。配合物1中心镉原子是六配位的变形八面体构型,该单核化合物通过氢键拓展成一维链状结构。配合物1的荧光测试研究表明它具有蓝色荧光。     

新型夹心双核配和物[Zn_2(ABTC)(phen)_2(H_2O)_6·2H_2O]的合成及其荧光性能

以3,3',4,4'-偶氮苯四羧酸(ABTC)和1,10-菲罗啉(phen)为配体,金属Zn(Ⅱ)为配位中心,采用溶剂挥发法在乙醇水中合成了新型夹心双核配合物[Zn2(ABTC)(phen)2(H2O)6·2H2O(1)],其结构和荧光性能经元素分析,X-射线单晶衍射和FL表征。1属单斜晶系,空间群C12/c1(15),晶胞参数a=24.774(3),b=12.853 8(13),c=14.698 3(15),β=94.195(2)°,V=4 668.0(8)3,Dc=1.584 Mg·cm-3,Z=24,F(000)=2 232,μ=43.083 mm-1,Goo F=0.969,R1=0.164 2,ωR2=0.047 3。ABTC作为桥梁配体,夹在两个配位中心中间。通过两个游离的水分子及配位分子的氢键作用,堆积成三维超分子孔道结构。在280 nm激发波长激发下,1在415 nm处有强的荧光发射峰。     

Synthesis and Crystal Structure of a New Complex （H3IDC）（Prz）0.5（H2O）

The compound （H3IDC）（Prz）0.5（H2O） （H3IDC = imidazole-4,5-dicarboxylate, Prz = piperazine） has been prepared from a hydrothermal approach and was characterized by IR analysis and X-ray diffraction. Its crystal structure consists of discrete 4,5-imidazole-dicarboxylate, H2O and piperazine molecules. The whole structural motif was assembled by three different non-covalent interactions of O-H…O, N-H…O and π-π stacking, which play an important role in packing the molecules. Interestingly, the connections between imidazole-4,5-dicarboxylate molecule and water molecule result in a helical polymeric chain. Crystal data for compound 1： monoclinic system, space group P21/c, a = 6.4600（13）, b = 19.910（4）, c = 6.9123（14） A^°, β = 94.26（3）°, V= 886.6（3） A^°^3, Z= 4, C7H10O5N3, Mr = 216.18.     

Synthesis and Crystal Structure of [{Cd(hmbdc)(H_2O)_3}·2H_2O]_n

A novel coordination polymer [{Cd(hmbdc)(H2O)3}·2H2O]n (hmbdc = 5-hydroxy- isophthalic acid) has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P21/c, with a = 9.599(3), b = 18.699(5), c = 7.557(2) , β = 108.198(4)°, V = 1288.6(6) 3, Z = 4, Mr = 382.60, Dc = 1.972 g/cm3, F(000) = 760, μ = 1.740, the final R = 0.0555 and wR = 0.0995 for 1732 observed reflections with I > 2σ(I). The structural analysis shows that the intermolecular hydrogen bonds and π-π interactions result in a three-dimensional supramolecular framework.     

Synthesis and Crystal Structure of [Zn(FcCOO)_2(2,2'-bipy)(H_2O)]_2·H_2O

A novel complex [Zn(FcCOO)2(2,2'-bipy)(H2O)]2·H2O (Fc = (η5-C5H5)Fe(η5-C5H4), 2,2'-bipy = 2,2'-bipyridine) has been synthesized and characterized by elemental analysis, IR and X-ray diffraction. It crystallizes in monoclinic system, space group P21/c with a = 6.8187(4), b = 21.7155(13), c = 19.7411(12) A, α = 90, β = 97.7420(10), γ = 90o, C64H58Fe4Zn2N4O11, Mr = 1413.28, V = 2896.4(3) A3, Dc = 1.620 g/cm3, Z = 2, F(000) = 1444, μ(MoKα) = 1.857 mm-1, R = 0.0523 and wR = 0.0982 for 3219 observed reflections (I > 2σ(I)). Structural analysis shows that the zinc atom is coordinated with three oxygen atoms from two ferrocenemonocarboxylates and one water molecule together with two nitrogen atoms from 2,2'-bipyridine, giving a distorted square-pyramidal coordination geometry. The complex molecules are linked to form an infinite one-dimensional chain by both intermolecular hydrogen bonds and π-π stacking interactions of the bipyridine rings.     

一维链状[Mn(9-AC)_2(4,4′-bpy)(H_2O)_2]_n配位聚合物的合成及晶体结构

在水热条件下(120℃),将醋酸锰、4,4′-联吡啶(4,4′-bpy)与9-蒽酸(9-HAC)反应,得到了配位聚合物[Mn(9-AC)2(4,4′-bpy)(H2O)2]n,通过元素分析、红外光谱、X射线单晶衍射对其进行了表征,并用TGA研究了该配位聚合物的热稳定性.结构解析结果表明,该晶体属于正交晶系,Fdd2空间群,a=1.66772(12)nm,b=3.36471(16)nm,c=1.1687(4)nm,V=6.558(2)nm3,Z=8,Mr=689.60,Dc=1.397Mg/m3,R=0.0356,wR2=0.0604.在该配位聚合物中,中心锰原子采取略微变形的八面体构型,与两种配体共同构筑了一维直线形链结构,链与链之间通过氢键相互作用构筑成三维超分子网络.     

Cu（sahm）_2·4H_2O的合成及晶体结构

标题化合物Ｃｕ（ｓａｈｍ）_２·４Ｈ_２Ｏ，Ｃ_（２２）Ｈ_（３０）Ｎ_８Ｏ_（１０），Ｍ_ｒ＝６２９．５（ｓａｈｍ＝４－（邻羟基苯基亚甲基）－亚胺－３．５－二羟甲基－１，２，４－三唑）被合成并得到单晶。Ｘ－衍射结构分析表明，晶体属单斜晶系，空间群Ｐ２_１／ｃ，晶体学数据：ａ＝８．３１８９（８）Ａ，ｂ＝９．８２７（１）Ａ，ｃ＝１６．１２６（２）Ａ，β＝１０２．５８５（９）°，Ｖ＝１２８６．６（３）Ａ~３，Ｚ＝２，Ｄ_ｘ＝１．４８ｇ／ｃｍ~３，μ＝０．９０７ｍｍ（－１），Ｆ（０００）＝５９８。最终偏离因子Ｒ＝０．０４２，Ｒ_ｗ＝０．０５７。结构分析表明，分子中两个偶氮甲碱的Ｎ原子及两个酚氧原子与中心Ｃｕ原子配位，形成规则的菱形平面结构。     

4－氨基－3，5－二甲基－1，2，4－三唑水杨亚胺合铜〔Ⅱ〕配合物合成及其单晶结构

４－氨基－３，５－二甲基－１，２，４－三唑（ＴＺ）与水杨醛缩合形成４－（邻羟苯基亚甲基）－亚胺－３，５－二甲基－１，２，４－三唑Ｓｃｈｉｆｆ碱（ＳＡＴＺ），该Ｓｃｈｉｆｆ碱与Ｃｕ（ＣｌＯ＿４）＿２·６Ｈ＿２Ｏ形成配合物Ｃｕ（ｓａｔｚ）＿２·６Ｈ＿２Ｏ，分子式为Ｃ＿（２２）Ｈ＿（２２）ＣｕＮ＿８Ｏ＿２·６Ｈ＿２Ｏ。经Ｘ射线晶体结构分析表明，晶体属于单斜晶系，空间群Ｐ２＿１／ｃ，Ｚ＝２，α＝８．２０２（１），ｂ＝１９．５６９（４），ｃ＝８．９７２（８）Ａ，β＝１０７．７２°（２），Ｖ＝１３７１．８（５）Ａ３，Ｄｃ＝１．４６ｇ／ｃｍ￣３，μ＝０．８５３ｍｍ￣（－１），Ｆ（０００）＝６３０，Ｒ＝０．０５１，Ｒ＿ｗ＝０．０６２。分子中２个偶氮甲碱（－Ｃ＝Ｎ－）中　　　的Ｎ原子及２个酚氧原子与中心Ｃｕ原子形成规则的菱形平面结构。     

Hydrothermal Synthesis and Crystal Structure of Complex Mn2（phen）2（p-MBA）4（H2O）

A novel Mn（Ⅱ） complex Mn2（phen）2（p-MBA）4（H2O） has been hydrothermally synthesized by the reaction of p-methyl benzoic acid （p-MBA） with 1,10-phenanthroline （phen）. Crystal data for this complex： monoclinic, space group C2/c, a= 2.3328（3）, b =1.5549（2）, c = 1.5557（2） nm, β = 121.726（2）°, V= 4.7997（11） nm^3, Mr = 1028.85, Dc = 1.424 g/cm^3, Z = 4, F（000） = 2128, μ（MoKa） = 0.590mm^-1, GOOF = 1.060, R = 0.0333 and wR = 0.0767. In the crystal, each Mn（Ⅱ） ion is coordinated by two nitrogen atoms from one o-phenanthroline molecule, three oxygen atoms from three p-methyl benzoic acids and one oxygen atom from one water molecule, giving a six-coordinate distorted octahedral coordination geometry. Two neighboring Mn（Ⅱ） ions are bridged by two p-methyl benzoic acid groups and one water molecule, and their end positions are respectively coordinated by one 1,10-phenanthroline and one p-methyl benzoic acid molecule, giving a binuclear cage structure, of which the Mn（Ⅱ）…Mn（Ⅱ） distance is 0.3502 nm.     

Synthesis,Crystal Structure,Fluorescence Property and Antibacterial Activity of Two Unprecedented One-dimensional Chain Metal-organic Coordination Polymers: Zn(H-SSA)(Phen)(H_2O)_2and Cu(H-SSA)(Phen)(H_2O)_2

IntroductionSalicylicacid (2 oxybenzoicacid ,H2 Sal)anditsderivativeshavebeenknownforalongtimetopossessan ti inflammatoryactivity ,1whileithasbeenfoundthatthebiologicalactivityofawidevarietyoforganicdrugsisen hancedupontheirmetalcomplexation .2 ,3Forexample ,bis(salicylato)copper(II)isastrongeranalgesicandanti inflammatoryagentforanimalsthansalicylicaciditself,4andthecopper(II)complexofaspirin ,Cu2 (aspirin) 4,isamoreeffectiveanti inflammatoryandanti rheumatoida gentthanaspirinitself.5,6 I…     

一维链状超分子化合物[Cu(dafo)_2(H_2O)_2](OPA)_2的合成和晶体结构

用4,5-二氮芴-9-酮(dafo)、邻苯二甲酸和硝酸铜合成了二价铜的一维链状超 分子化合物[Cu(dafo)_2(H_2O)_2]-(OPA)_2(OPA=邻苯二甲酸一价阴离子),其结构 通过单晶X射线衍射法确定。该化合物是单斜晶系,空间群为P2(1)/c。晶胞参数： a = 0.71093(16)nm, b = 1.5724(4)nm, c = 1.5357(3)nm, α=90.000(5) °, β =102.220(4) °,γ=90.000(5) °, V = 1.6778(6)nm~3, Z = 2, F(000) = 814, M_r = 794.17, D_c = 1.527 g/cm~3, μ = 0.727 mm~(-1), R_1 = 0.0406, wR_2 = 0.0930.单晶结构分析表明该化合物具有一维链状结构,该结构是通过氢 键这种弱相互作用形成的。     

Crystal Structure of Dimer Complex of 〔K (dndb)(H_2O)(NCS)〕_2

1INtrODUCTIONThecrownethercomPOundsandtheirderivativeshavecontinuouslyattractedconsiderableattentioneversincetheywerefirstreportedin1967illbecauseoftheirexcellentcapacitytoattachmetalatomstoformcomplexes.Nowadaystheyareappliedextensivelyinchemistry,biology,medicine,agriculture,metallurgyandmanyotherfields.Manypapersonsynthesesofnewcrownethers,theirstructuredeterminationandcharactersareoftenpublished.Inthestudiesthenitrifiedreactionofcrownetherisknownasasignificantwaybywhichfunctionalgroup…