Construction of a New ZnII Coordination Polymer for Selective Fluorescence Sensing of CCl4

2016 ◽  
Vol 69 (1) ◽  
pp. 56 ◽  
Author(s):  
Jiang-Tao Li ◽  
Yan-Li Dong ◽  
Jing Li
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Diffraction Analysis ◽  
Topological Analysis ◽  
X Ray Diffraction ◽  
Quenching Mechanism ◽  
Fluorescence Sensing ◽  
X Ray ◽  
Topological Network ◽  
Point Symbol

Solvothermal reactions of Zn(NO3)2·6H2O, H3tci, and biimpy generated a new ZnII coordination polymer namely [Zn3(tci)2(biimpy)]n·2n(DMF) (1 H3tci = tri(2-carboxyethyl)isocyanurate, biimpy = 2,6-bis(1-imdazoly)pyridine, DMF = N,N-dimethylformamide). Single-Crystal X-ray diffraction analysis reveals that compound 1 features a 2-fold interpenetrated 3D pillar-layered framework based on trinuclear [Zn3(COO)6] cluster subunits. Topological analysis reveals that compound 1 represents a 2-fold interpenetrated (3,8)-connected tfz-d topological network with the point symbol of {43}2{46.618.84}. The luminescence properties of compound 1 dispersed in different organic solvents were systematically investigated. The results indicated that compound 1 can be used as a candidate for selective sensing of CCl4 via a luminescence quenching mechanism.

Synthesis and Crystal Structure of the Flexible Ligand Coordination Polymer [Co3(bpd)5.5(NCS)6(NH3)]n⋅2H2O(bpd= 1,4-bis (4-pyridyl)-2,3-diaza-1,3-butadiene)

2013 ◽  
Vol 803 ◽  
pp. 80-84
Author(s):  
Yu Qi Liu ◽  
Yong Yang ◽  
Rui Yang ◽  
Xiao Jun Xu
Keyword(s):  
Crystal Structure ◽  
Infrared Spectroscopy ◽  
Coordination Polymer ◽  
Single Crystal ◽  
X Ray Diffraction ◽  
Synthesis And Crystal Structure ◽  
X Ray ◽  
Elemental Analyses ◽  
Ligand Coordination ◽  
Point Symbol

A novel metalorganic coordination polymer, namely [Co3(bpd)5.5(NCS)6(NH3)]n2H2O (1) (bpd=1,4-bis (4-pyridyl)-2,3-diaza-1,3-butadiene), has been synthesized and characterized by elemental analyses, infrared spectroscopy, and single-crystal X-ray diffraction. Compound 1 presents 2D[3,4,-connected 3-nodal net with the point symbol (4268210)(4462)(8210). In addition, four identical 2D single nets is interlocked with each other in parallel, thus directly leading to the formation of a polycatenated layer (2D2D).

A zinc(II) metal–organic framework with a novel topology formed from 4,4′,4′′-nitrilotribenzoate and 4,4′-bipyridine ligands

2015 ◽  
Vol 71 (9) ◽  
pp. 799-803 ◽  
Author(s):  
Meng Zhao ◽  
Jian Su ◽  
Jun Zhang ◽  
Jie-Ying Wu ◽  
Yu-Peng Tian
Keyword(s):  
Single Crystal ◽  
Diffraction Analysis ◽  
Solvothermal Method ◽  
Metal Organic Framework ◽  
Topological Analysis ◽  
X Ray Diffraction ◽  
X Ray ◽  
Paddle Wheel ◽  
Metal Organic ◽  
Organic Framework

A metal–organic framework with a novel topology, poly[sesqui(μ2-4,4′-bipyridine)bis(dimethylformamide)bis(μ4-4,4′,4′′-nitrilotribenzoato)trizinc(II)], [Zn3(C21H12NO6)2(C10H8N2)1.5(C3H7NO)2]n, was obtained by the solvothermal method using 4,4′,4′′-nitrilotribenzoic acid and 4,4′-bipyridine (bipy). The structure, determined by single-crystal X-ray diffraction analysis, possesses three kinds of crystallographically independent ZnIIcations, as well as binuclear Zn2(COO)4(bipy)2paddle-wheel clusters, and can be reduced to a novel topology of a (3,3,6)-connected 3-nodal net, with the Schläfli symbol {5.62}4{52.6}4{58.87} according to the topological analysis.

Synthesis, Structure and Properties of a Novel Metal-Organic Coordination Polymer, [Zn (NH3)2(BDC)]n

2013 ◽  
Vol 575-576 ◽  
pp. 30-36 ◽  
Author(s):  
Ning Ning Wu ◽  
Can Xiong Guo ◽  
Gui An Wu ◽  
Zhao Cai ◽  
Wan Hong He
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Diffraction Analysis ◽  
Self Assembly ◽  
Terephthalic Acid ◽  
Differential Scanning Calorimetric ◽  
X Ray Diffraction ◽  
X Ray ◽  
Acid Ligand ◽  
Metal Organic

A novel one-dimensional metal-organic coordination polymer, [Zn (NH3)2(BDC)]n (BDC=1,4-benzenedicaboxylate), has been synthesized by solvent evaporation method through self-assembly of Zn (II) salts with terephthalic acid ligand in ammonia aqueous solution. Single crystal X-ray diffraction analysis indicated that each Zn (II) was coordinated by two nitrogen donors from two NH3 and two oxygen counter donors from terephthalic acid ligand. The adjacent zigzag chains are arranged in a parallel fashion and linked by interchain hydrogen bonding interaction and π-π stacking interactions into higher-dimensional framework. The compound has also been characterized by CHN elemental analyses, Single crystal X-ray diffraction analysis, powder X-ray diffraction (PXRD) analysis, Fourier transform infrared (FT-IR) spectra, Thermalgravimetric-differential scanning calorimetric (TG-DSC) and Solid-state nuclear magnetic resonance (NMR), etc. Results showed that the framework of compound was stable at the temperature up to 246°C. The desolvated product [Zn (BDC)]n, which was obtained by removal of molecular NH3 from [Zn (NH3)2(BDC)]n, can be transferred to the different skeleton structures through coordinating different small hydrogen-bond-forming molecules.

scholarly journals Synthesis, Crystal Structure, and Luminescence of Cadmium(II) and Silver(I) Coordination Polymers Based on 1,3-Bis(1,2,4-triazol-1-yl)adamantane

Molecules ◽  
2021 ◽  
Vol 26 (17) ◽  
pp. 5400
Author(s):  
Roman D. Marchenko ◽  
Taisiya S. Sukhikh ◽  
Alexey A. Ryadun ◽  
Andrei S. Potapov
Keyword(s):  
Crystal Structure ◽  
Coordination Polymer ◽  
Metal Ions ◽  
Single Crystal ◽  
Diffraction Analysis ◽  
Coordination Polymers ◽  
Two Dimensional ◽  
X Ray Diffraction ◽  
One Dimensional ◽  
X Ray

Coordination polymers with a new rigid ligand 1,3-bis(1,2,4-triazol-1-yl)adamantane (L) were prepared by its reaction with cadmium(II) or silver(I) nitrates. Crystal structure of the coordination polymers was determined using single-crystal X-ray diffraction analysis. Silver formed two-dimensional coordination polymer [Ag(L)NO3]n, in which metal ions are linked by 1,3-bis(1,2,4-triazol-1-yl)adamantane ligands, coordinated by nitrogen atoms at positions 2 and 4 of 1,2,4-triazole rings. Layers of the coordination polymer consist of rare 18- and 30-membered {Ag2L2} and {Ag4L4} metallocycles. Cadmium(II) nitrate formed two kinds of one-dimensional coordination polymers depending on the metal-to-ligand ratio used in the synthesis. Coordination polymer [Cd(L)2(NO3)2]n was obtained in case of a 1:2 M:L ratio, while for M:L = 2:1 product {[Cd(L)(NO3)2(CH3OH)]·0.5CH3OH}n was isolated. All coordination polymers demonstrated ligand-centered emission near 450 nm upon excitation at 370 nm.

scholarly journals A new 2D dibutyltin coordination polymer with 3,5-dinitrosalicylate and 4,4’-bipyridine ligands

2020 ◽  
Vol 43 (1) ◽  
pp. 200-204
Author(s):  
Laijin Tian ◽  
Ruili Wang ◽  
Jiawei Zhang ◽  
Qingtao Liu
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Diffraction Analysis ◽  
Network Structure ◽  
Distorted Octahedron ◽  
Coordination Geometry ◽  
X Ray Diffraction ◽  
X Ray ◽  
Doubly Charged

AbstractA new 2D dibutyltin coordination polymer with 3,5-dinitrosalicylate and 4,4’-bipyridine ligands, [{Bu2Sn(3,5–(NO2)2–2–OC6H2COO)}2(4,4’-bpy)]n (1), has been synthesized and characterized both spectroscopically (IR, 1H, 13C, and 119Sn NMR) and a single-crystal X-ray diffraction analysis. The coordination geometry of tin atom in 1 is a distorted octahedron. 3,5-Dinitrosalicylate as doubly charged anion ligand adopts chelating-bridging mode to coordinate to tin atoms, and 4,4’-bipyridine further bridges the tin atoms to form a 2D herringbone-like network structure containing the 34-membered hexa-nuclear macrocycles.

A new CdII coordination polymer with a self-penetrating architecture induced by the molecular conformation of a rigid bithiophene ligand

2018 ◽  
Vol 74 (2) ◽  
pp. 218-223 ◽  
Author(s):  
Ning-Ning Ji ◽  
Zhi-Qiang Shi ◽  
Hai-Liang Hu
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Coordination Polymers ◽  
Molecular Conformation ◽  
Topological Analysis ◽  
Three Dimensional ◽  
X Ray Diffraction ◽  
X Ray ◽  
Design And Synthesis ◽  
Mixed Ligands

The design and synthesis of coordination polymers with a self-penetrating architecture has attracted much interest not only due to their interesting structures but also due to their potential applications. 5,5′-Bis(pyridin-4-yl)-2,2′-bithiophene (bpbp), as a conjugated bithiophene ligand, can exhibit trans and cis conformations and this can lead to the construction of a self-penetrating architecture. In addition, the semi-rigid ancillary ligand 4,4′-oxybis(benzoic acid) (H2oba) can adopt different coordination modes, resulting in coordination polymers with high-dimensional skeletons. A new CdII coordination polymer based on mixed ligands, namely poly[diaquapentakis[μ-5,5′-bis(pyridin-4-yl)-2,2′-bithiophene-κ2 N:N′]bis(nitrato-κ2 O,O′)tetrakis(μ3-4,4′-oxydibenzoato)-κ10 O:O,O′:O′′,O′′′;κ6 O:O′:O′′-pentacadmium(II)], [Cd5(C14H14O5)4(NO3)2(C18H12N2S2)5(H2O)2] n , (I), has been synthesized under solvothermal conditions and characterized by single-crystal X-ray diffraction, IR spectroscopy and elemental analysis. Single-crystal X-ray diffraction indicates that there are three crystallographically independent CdII cations, three bpbp ligands, two deprotonated oba2− ligands, one nitrate ligand and one coordinated water molecule in the asymmetric unit. One CdII centre is seven-coordinated, exhibiting a distorted {CdN2O5} pentagonal bipyramidal geometry, while the other two Cd centres are both six-coordinated, showing slightly distorted {CdN2O4} octahedral geometries. The most interesting feature is the co-existence of trans and cis conformations in a single net, allowing structural interpenetration via self-threading and yet the expected self-penetrating structure was obtained. Topological analysis shows that the whole three-dimensional framework can be classified as a 3-nodal (4,6,6)-c net with Schläfli symbol {613.82}2{66}, which is a new topology. Furthermore, the luminescence properties of (I) were examined in the solid state at room temperature.

Growth and characterization studies of a novel luminescent acetate-bridged barium(II) complex: poly[(μ-diacetato)(tetraphthalato)pentabarium(II)]

2016 ◽  
Vol 39 (5-6) ◽  
Author(s):  
Ushakumari S. Soumya Mol ◽  
Remya M. Nair ◽  
Ravikumar Drisya ◽  
Prasanna R. Satheesh Chandran ◽  
Malieyeckal R. Sudarsanakumar ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Diffraction Analysis ◽  
X Ray Diffraction ◽  
Triclinic Space Group ◽  
Space Group ◽  
X Ray ◽  
Diffusion Technique ◽  
Characterization Studies ◽  
Gel Diffusion

AbstractA novel coordination polymer, poly[(μ-diacetato)(tetraphthalato)pentabarium(II)], with acetate bridged moiety has been successfully grown by gel diffusion technique. Single crystal X-ray diffraction analysis showed that the compound crystallizes in triclinic space group

scholarly journals Pyrene Carboxylate Ligand Based Coordination Polymers for Microwave-Assisted Solvent-Free Cyanosilylation of Aldehydes

Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 1101
Author(s):  
Anirban Karmakar ◽  
Anup Paul ◽  
Elia Pantanetti Sabatini ◽  
M. Fátima C. Guedes da Silva ◽  
Armando J. L. Pombeiro
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Coordination Polymers ◽  
Metal Ion ◽  
Solvent Free ◽  
Lewis Acidity ◽  
Carboxylate Ligand ◽  
X Ray Diffraction ◽  
X Ray ◽  
Microwave Assisted

The new coordination polymers (CPs) [Zn(μ-1κO1:1κO2-L)(H2O)2]n·n(H2O) (1) and [Cd(μ4-1κO1O2:2κN:3,4κO3-L)(H2O)]n·n(H2O) (2) are reported, being prepared by the solvothermal reactions of 5-{(pyren-4-ylmethyl)amino}isophthalic acid (H2L) with Zn(NO3)2.6H2O or Cd(NO3)2.4H2O, respectively. They were synthesized in a basic ethanolic medium or a DMF:H2O mixture, respectively. These compounds were characterized by single-crystal X-ray diffraction, FTIR spectroscopy, thermogravimetric and elemental analysis. The single-crystal X-ray diffraction analysis revealed that compound 1 is a one dimensional linear coordination polymer, whereas 2 presents a two dimensional network. In both compounds, the coordinating ligand (L2−) is twisted due to the rotation of the pyrene ring around the CH2-NH bond. In compound 1, the Zn(II) metal ion has a tetrahedral geometry, whereas, in 2, the dinuclear [Cd2(COO)2] moiety acts as a secondary building unit and the Cd(II) ion possesses a distorted octahedral geometry. Recently, several CPs have been explored for the cyanosilylation reaction under conventional conditions, but microwave-assisted cyanosilylation of aldehydes catalyzed by CPs has not yet been well studied. Thus, we have tested the solvent-free microwave-assisted cyanosilylation reactions of different aldehydes, with trimethylsilyl cyanide, using our synthesized compounds, which behave as highly active heterogeneous catalysts. The coordination polymer 1 is more effective than 2, conceivably due to the higher Lewis acidity of the Zn(II) than the Cd(II) center and to a higher accessibility of the metal centers in the former framework. We have also checked the heterogeneity and recyclability of these coordination polymers, showing that they remain active at least after four recyclings.

Synthesis of 4-(3-coumarinyl)-3-benzyl-4-thiazolin-2-one 4-methylbenzylidenehydrazone and determination of the isomeric structure by X-ray analysis

2003 ◽  
Vol 218 (12) ◽  
Author(s):  
Süheyla Özbey ◽  
Nilgün Karalı ◽  
Aysel Gürsoy
Keyword(s):  
Single Crystal ◽  
Diffraction Analysis ◽  
Spectral Data ◽  
X Ray Diffraction ◽  
X Ray ◽  
Isomeric Structure ◽  
Elemental Analyses

AbstractIn this study 4-(3-coumarinyl)-3-benzyl-4-thi azolin-2-one 4-methylbenzylidenehydrazone 3 was synthesised. An independent proof of the thiazolylhydrazone structure of 3 was achieved by single crystal X-ray diffraction analysis. Elemental analyses and spectral data (IR,

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