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以对苯二胺为原料合成了二硫代氨基甲酸盐过渡金属[Ni(Ⅱ),Pd(Ⅱ),Pr(Ⅱ)]配合物及其它相应脱质子产物卡宾二硫代胺基甲酸盐配合物.通过元素分析,IR,UV测试表征.对该系列配合物用四波混频方法,研究了它们的三阶非线性光学性质.结果表明,平面型二硫代甲酸盐配合物有较强的三阶非线性光学效应.并且它们脱去质子形成的配合物共轭体系更大,其三阶非线性光学效应明显提高. 相似文献
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4,4'-联吡啶与二苄基二硫代氨基甲酸镉配合物[Cd(DBTC)2]2 (1)反应得到加合物[Cd(DBTC)2(4,4'-bipy)] (2) (DBTC=N,N-二苄基二硫代氨基甲酸), 通过晶体结构分析及红外光谱等研究其结构与性质. 结果表明: 引入小分子配体会破坏[Cd(DBTC)2]2 (1)的二聚结构, 加入吡啶则得到单核的吡啶加合物[Cd(DBTC)2py] (3), 而引入4,4'-联吡啶后其结构变为新型的一维链状结构的配位聚合物2, 这种结构在二硫代氨基甲酸金属配合物中少见报道. 也比较了不同配体如吡啶及4,4'-联吡啶对Cd(II)及Zn(II)配合物结构的影响. 相似文献
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小分子配体诱导合成N,N-二苄基二硫代氨基甲酸镉(Ⅱ)配合物及晶体结构 总被引:2,自引:0,他引:2
4,4'-联吡啶与二苄基二硫代氨基甲酸镉配合物[Cd(DBTC)2]2(1)反应得到加合物[Cd(DBTC)2(4,4'-bipy)](2)(DBTC=N,N-二苄基二硫代氨基甲酸),通过晶体结构分析及红外光谱等研究其结构与性质.结果表明:引入小分子配体会破坏[Cd(DBTC)2]2(1)的二聚结构,加入吡啶则得到单核的吡啶加合物[Cd(DBTC)2py](3),而引入4,4'-联吡啶后其结构变为新型的一维链状结构的配位聚合物2,这种结构在二硫代氨基甲酸金属配合物中少见报道.也比较了不同配体如吡啶及4,4'-联吡啶对Cd(Ⅱ)及Zn(Ⅱ)配合物结构的影响. 相似文献
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本文综述了1.2-二硫代草酸根(dtO)的配位性质及其多核配合物的合成及结构特征,并讨论了dtO配合物的光,电,磁性及应用。 相似文献
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多原子桥联配体的多核配合物中,顺磁离子间磁偶合作用的研究对阐明磁性和结构的关系以及设计新型分子基磁性材料具有重要的理论意义。草酸根及草酰胺根桥联的多核配合物得到了较为广泛和深入的研究。硫原子取代两个氧原子后,形成二硫代草酸根及二硫代草酰胺根,由于硫属于第三周期的元素,其半径较大,电负性较小。 相似文献
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合成了二丁基二硫代氨基甲酸砷[(C9H18NS2)3As(Ⅲ)](1)和二甲基二硫代氨基甲酸铋[(C3H6NS2)3Bi(Ⅲ)](2)两种配合物。通过元素分析、红外光谱、1H NMR、热重对其进行表征,并用X-射线单晶衍射测定了晶体结构。配合物1属于三斜晶系,P 1-空间群,晶胞参数为:a=1.075 0(15)nm,b=1.2143(16)nm,c=1.621(3)nm,α=69.15(2)°,β=75.36(3)°,γ=88.17(2)°,Z=2,V=1.910(5)nm3,Dc=1.197 g.cm-3;配合物2也属于三斜晶系,P 1-空间群,晶胞参数为:a=0.992 9(3)nm,b=0.993 0(3)nm,c=1.142 7(3)nm,α=64.495(4)°,β=80.400(4)°,γ=64.772(4)°,Z=2,V=0.914 7(4)nm3,Dc=2.068 g.cm-3。配合物1中的As(Ⅲ)与来自3个配体中的6个硫原子配位,形成6配位畸变八面体构型;配合物2则形成6配位畸变五角锥构型,其分子之间又通过Bi···S弱相互作用构成二聚体结构。利用琼脂扩散法测试了配合物的抑菌活性,结果表明配合物1对5种受试菌株具有较强的抑菌活性,配合物2则仅有弱的抑菌性。 相似文献
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Shashi Lata Bharati Pankaj Kumar Chaurasia Sudha Yadava 《Russian Journal of Inorganic Chemistry》2016,61(2):232-238
A novel series of MnIII complexes with 5,10,15,20-tetra(p-tolylporphine) and 1,6-diaminohexane has been synthesized. These complexes have been characterized by UV/Vis, IR, ESI-mass spectra, elemental analysis, conductivity and magnetic susceptibility measurements. These MnIII porphyrins exhibited a blue shift in soret band in comparison to non-metallated porphyrins. The molar conductance values of these complexes show their non-electrolytic nature in ethanol. The tentative structures have also been proposed. All the complexes have good level of water solubility due to which they may have medicinal as well as other valuable biological applications. 相似文献
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Bojidarka Ivanova Michael Spiteller 《Journal of inclusion phenomena and macrocyclic chemistry》2013,76(1-2):87-98
A series ten novel analogs based on a novel template pyrrolo-quinazolino-quinolines, containing Luotonin-A (Luot-A) and 14-aza-camptothecin (14-aza-CPT) molecular core as well as their inclusion complexes in the native α- (α-CD), β- (β-CD) and γ- (β-CD) cyclodextrins were obtained. The physical properties of the alkaloids and corresponding molecular complexes with cyclodextrins are elucidated experimentally by the electronic absorption and CD-spectroscopy, electrospray ionization and matrix-assisted laser desorption/ionization mass spectrometry and nuclear magnetic resonance method. The experimental data are supported by the theoretical quantum chemical calculations of the molecular and electronic structures as well as physical properties in condense phase. 相似文献
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Piga F Moro F Krivokapic I Blake AJ Edge R McInnes EJ Evans DJ McMaster J van Slageren J 《Chemical communications (Cambridge, England)》2012,48(18):2430-2432
A novel family of paramagnetic tetranuclear ferrous cubanes is reported. Two complexes from this family are described and their magnetic properties are discussed in relation to their structures. 相似文献
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A new Mannich base, N-(1-morpholinobenzyl) semicarbazide (MBS), formed by the condensation of morpholine, semicarbazide and
benzaldehyde, and its Cu(II), Ni(II), Co(II) and Zn(II) complexes have been synthesized. Their structures have been elucidated
on the basis of analytical, magnetic, electrical conductivity and spectral study as well as elemental analyses. The complexes
exhibit square-planar geometry. The monomeric and non-electrolytic nature of the complexes is evidenced by their magnetic
susceptibility and low conductance data. The electrochemical property of the ligand and its complexes in acetonitrile solution
was studied by cyclic voltammetry. The X-band ESR spectra of the Cu(II) complex in DMSO at 300 and 77 K were recorded and
their salient features are reported 相似文献
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Andruh M 《Chemical communications (Cambridge, England)》2007,(25):2565-2577
This article focuses on the employment of bi- and trinuclear complexes as building blocks in designing novel heterometallic systems. A large variety of polynuclear complexes, ranging from high-nuclearity clusters to high-dimensionality coordination polymers, can be constructed by taking advantage of the high flexibility of the multimetallic nodes. The following oligonuclear complexes are currently used as tectons in our laboratory: (a) bis(alkoxo)-bridged copper(ii) species; (b) homobinuclear species with metal ions held together by end-off, or macrocyclic compartmental ligands; (c) heterometallic complexes with dissymmetric compartmental ligands. The 3d-4f nodes are particularly interesting since the metal ions interact selectively with various spacers. The intra-node exchange interactions, as well as those between the resulting spins, generate interesting magnetic properties. 相似文献
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A novel linear polymer (PFABT) containing bithiazole rings was synthesized by polycondensation of 2,2′‐diamino‐4,4′‐bithiazole (DABT) and formaldehyde. The complexes of PFABT with two transition metal ions (Fe2+, Cu2+) were prepared for the first time. The polymer was determined through FT‐IR, 1H‐NMR and elemental analysis (EA), and the complexes were characterized by FT‐IR. The magnetic behaviors of these complexes were measured as a function of magnetic field strength (0–50 kOe) at 4 K and as a function of temperature (4–300 K) under an applied magnetic field of 30 kOe. The results show that PFABT‐Cu2+ is a ferromagnet while PFABT‐Fe2+ is an anti‐ferromagnet. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
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Askari MS Girard B Murugesu M Ottenwaelder X 《Chemical communications (Cambridge, England)》2011,47(28):8055-8057
The reaction of nitrosobenzene with copper(I) complexes of a tetradentate ligand led to two novel species that are best described as copper(II) complexes of an O-bonded nitrosobenzyl radical anion, in either the singlet or the triplet spin-state. Both states were characterized by crystal structures, magnetic measurements and DFT calculations. 相似文献
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Lianbin Wu Qiu Chen Zhiqing Lv Weilin Sun Limin Chen Jirong Wu 《Journal of Sol-Gel Science and Technology》2011,60(2):214-220
A novel alkoxysilylated derivative based on 2,2′-diamino-4,4′-bithiazole (DABTH) was firstly synthesized. The corresponding
polysilsesquioxane (PBSIBTH) and its metal complexes (PBSIBTH-Eu3+, PBSIBTH-Tb3+ and PBSIBTH-Ni2+) were also obtained via sol–gel method, respectively. The morphology of their xerogels was investigated by scanning electron
microscopy means. The magnetic measurements of these polymer complexes show all obtained solid materials feature soft ferromagnet
properties at low temperature. The metal ions in polymer complexes have a significant influence on both microstructure and
magnetic properties. 相似文献