Synthesis,Structure and Photoluminescent Property of a New 2D Zn（Ⅱ） Coordination Polymer Constructed by Biphenyl-3,3＇,5,5＇-tetracarboxylate

A new 2D Zn(II) coordination polymer,[Zn(btc)0.5(phen)]n(1,H4btc = biphenyl-3,3',5,5'-tetracarboxylic acid,phen = 1,10-phenanthroline),has been hydrothermally synthesized and characterized by single-crystal X-ray diffraction analysis,elemental analysis and IR spectro-scopy.Complex 1 crystallizes in the triclinic system,space group P1 with a = 7.6878(6),b = 10.3453(8),c = 10.9589(9) ,α = 113.3540(10),β = 90.5460(10),γ = 90.4280(10)°,V = 800.09(11) 3,Z = 2,Dc = 1.696 Mg.m-3,μ = 1.566 mm-1,F(000) = 414,the final R = 0.0359 and wR = 0.0778 for 2441 observed reflections with I > 2σ(I).Complex 1 has a 2D layered network containing dinuclear Zn(II) structural units.The 2D layers are further linked by the phen molecules through π-π stacking interactions into a 3D supramolecular framework.The photoluminescent property of 1 was also studied in the solid state at room temperature.     

Synthesis,Structure and Electrochemical Property of a New 3D Ag(I) Coordination Polymer Constructed by Biphenyl-2,2ˊ,4,4ˊ-tetracarboxylate

A new 3D Ag(I) coordination polymer, [Ag8(btc)2(bpp)2]n(1, H4btc = biphenyl- 2,2ˊ,4,4ˊ-tetracarboxylic acid, bpp = 1,2-bis(4-pyridyl)propane), has been hydrothermally synthesi- zed and characterized by single-crystal X-ray diffraction analysis, elemental analysis and IR spectroscopy. Complex 1 crystallizes in the triclinic system, space group P1 with a = 13.4899(8), b = 13.4928(8), c = 16.4575(10) , α = 102.7640(10), β = 108.8100(10), γ = 101.4940(10)°, V = 2644.1(3) 3, Z = 2, Dc = 2.401 Mg·m-3, μ = 2.978 mm-1, F(000) = 1840, the final R = 0.0481 and wR = 0.0955 for 6794 observed reflections with I 2σ(I). Complex 1 features a 3D framework formed by Ag(I)-carboxylate chains containing [Ag16(COO)16] secondary building block. Furthermore, thermal stability and electrochemical property of 1 are also investigated in detail.     

Hydrothermal Synthesis,Crystal Structure and Proton Conductivity of a Pr–Ca Heterometal-organic Framework Generated by 1,2,4,5-Benzenetetracarboxylic Acid

A heterometal-organic framework {[Pr_2Ca(betc)_2(H_2O)_7]·H_2O}_n(1) was prepared by the hydrothermal reaction of 1,2,4,5-benzenetetracarboxylic acid(H4betc) with Pr(NO_3)_3 and CaCO_3, and further characterized by single-crystal X-ray structural analysis, elemental analysis, IR, thermal gravimetric, and X-ray powder diffraction. Complex 1 crystallizes in triclinic, space group P1 with a = 7.3668(12), b = 10.1726(14), c = 11.2264(15) ?, a = 100.404(2), b = 106.113(3), g = 109.158(3)o, V = 728.48(19) ?~3, Mr = 966.26, Z = 1, F(000) = 470, Dc = 2.203 g/cm~3, m(Mo Kα) = 3.585 mm~(-1), the final R = 0.0195 and w R = 0.0470(I 2s(I)). Complex 1 is a 3D network with pcu topology with 1D porosity and rich hydrogen-bonding interactions. The proton conductivity of complex 1 was also studied under ~97% relative humidity and the different temperature conditions.     

Synthesis, Crystal Structure and Luminescent Properties of a Novel 2D Sheet Cd(Ⅱ) Coordination Polymer [Cd(Cpna)(Py)]n

A coordination polymer, [Cd(cpna)(py)]n(H2cpna = 5-(2-carboxylphenyl) nicotic acid, py = pyridine) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR, TG, fluorescence spectra and single-crystal X-ray diffraction. Colorless crystals crystallize in the monoclinic system, space group P21/c with a = 8.589(2), b = 13.047(3), c = 14.940(4) , β = 96.001(2)°, V = 1664.9(7) 3 , C18H12CdN2O4 , Mr = 432.70, Dc = 1.726 g/cm 3 , F(000) = 856, Z = 4, μ(MoKα) = 1.337 mm -1 , the final R = 0.0396 and wR = 0.0891 for 2422 observed reflections (I > 2σ(I)). Complex 1 exhibits a two-dimensional (2D) sheet structure, which further builds a three-dimensional (3D) supramolecular architecture via C-H···O hydrogen-bonding interactions.     

A Novel Zn(Ⅱ) Complex with 4-Connected umc Topology:Synthesis,Crystal Structure and Luminescent Property

A novel complex, [Zn(L)]2·H2O(1, H2 L = 4-aminophthalic acid), has been hydrothermally prepared and characterized by single-crystal X-ray diffraction, IR spectroscopy, elemental analysis and PXRD. Complex 1 crystallizes in monoclinic, space group C2/c with a = 12.4267(6), b = 7.7482(3), c = 18.6983(8) ?, β = 110.437(3)o, V = 1687.04(13) ?3, Z = 4, C16H12N2O9Zn2, Mr = 507.06, Dc = 1.996 g/cm3, μ = 2.903 mm-1, S = 0.989, F(000) = 1016, the final R = 0.0304 and w R = 0.0720 for 12618 observed reflections(I 2σ(I)). Single-crystal X-ray structural analysis reveals that compound 1 features a three-dimensional(3D) framework with 4-connected umc topology. Moreover, the thermogravimetric(TG) analysis and photoluminescent property of 1 were also discussed.     

Synthesis and Crystal Structure of a Ca~Ⅱ Coordination Polymer of H_2Adefovir (H_2Adefovir={[2-(6-Amino-9H-purin-9-yl)ethoxy]methyl}phosphonic Acid)

A Ca II coordination polymer of H 2 Adefovir (H 2 Adefovir={[2-(6-amino-9H-purin-9-yl)ethoxy]methyl}phosphonic acid),[Ca(H 2 O)(Adefovir)] n (1),has been synthesized via the reaction of Ca(OH) 2 and H 2 Adefovir under hydrothermal conditions.Complex 1 crystallizes in the monoclinic system,space group P2 1 /c with a=22.344(5),b=6.8505(14),c=8.0101(17),β=90.356(4)o,V=1226.0(4)3,M r=329.28,D c=1.784 g/cm 3,μ=0.672 mm-1,F(000)=680,Z=4,the final R=0.0296 and wR=0.0916 for 2295 observed reflections with I > 2σ(I).In the structure,the Ca II center is coordinated to the phosphate group of Adefovir anion,forming a 2D coordination layer,and such layers are linked into a 3D framework by hydrogen-bonding interactions between the adenine groups of Adefovir anion.     

Synthesis and Crystal Structure of a New 2D O-bridged Copper(Ⅱ) Coordination Polymer Constructed from Sulfonate-derived Schiff Base

A new chain-like coordination polymer, namely, [CuL ]n(1, Na2 L = 2-[(2-hydroxybenzylidene)-amino]-benzenesulfonic acid sodium salt), has been synthesized and characterized by single-crystal X-ray diffraction, IR spectroscopy and elemental analysis. Complex 1 crystallizes in monoclinic system, space group P21/c with a = 9.2296(16), b = 10.4754(18), c = 12.200(2) A, β =102.392(2)°, V = 1152.0(3) A3, C13H9 CuN O4S, Mr = 338.83, Dc = 1.953 g/cm3, Z = 4, F(000) = 684,μ = 2.089 mm-1, the final R = 0.0376 and w R = 0.0956. X-ray diffraction analyses indicate that 1displays a square-pyramidal metal center with NO4 donor sets. The sulfonate-derived Schiff base serves as a common N,O,O′-tridentate and a unique O-bridged ligand connecting the metals.Dinuclear copper complexes serve as secondary building blocks(SBUs) to construct an unusual2 D coordination network. In the crystal, the components form a stable 3D supramolecular architecture by C–H···O interactions and π-stacking.     

Syntheses,Structure and Thermal Analysis of a Cobalt Coordination Polymer with Multiform Helical Features Based on Flexible Iodo-dicarboxylate Ligand and N-donor Ancillary Ligand

A new 3D complex,[Co(L)(bpe)0.5(H2O)2]n(1,H2 L = 5-iodo-benzene-1,3-dioxyacetic acid,bpe = 1,2-bis(4-pyridyl)ethylene),has been hydrothermally synthesized and structurally characterized by elemental analysis,IR and X-ray diffraction.It is formulated as C16H16 Co INO8,crystallizes in monoclinic,space group P21/c,with a = 9.806(2),b = 6.5492(13),c = 28.187(8) ?,β = 100.12(3)°,V = 1782.0(7) ?3,Z = 4,Dc = 1.998 g/m3,F(000) = 1052,Μr = 536.13,the final R = 0.0393 and w R = 0.0858 for 3134 observed reflections with I 2σ(I).Complex 1 displays a 3D framework with multiform helical features,left-and right-handed triple helical braids and single helical chains,which can be simplified as a new type of(3,4)-connected lattice with a(6·102)(62·104) Schl?fli symbol.Moreover,the thermal analysis of complex 1 has also been investigated.     

A New 3d-4f Heterobimetallic Complex Based on 4,4?-Dicarboxybiphenyl Sulfone: Synthesis,Crystal Structure and Antifungal Activity

A new 3 d-4 f heterobimetallic complex [PrCu(sba)_2(Hsba)(H_2 O)_3]·H_2 O(1) based on a versatile ligand H_2 sba(H_2 sba = 4,4?-dicarboxybiphenyl sulfone) was prepared and characterized by single-crystal X-ray diffraction, elemental analysis, IR spectroscopy and thermogravimetric analysis. Single-crystal X-ray diffraction indicates that complex 1 belongs to the monoclinic system, space group P2_1/n with a = 12.4642(11), b = 16.0586(16), c = 21.9678(19) ?, β = 92.888(1)o, V = 4391.4(7) ?~3, Z = 4, D_c = 1.800 g·cm~(-3), μ = 1.812 mm-1, M_r = 1190.31, F(000) = 2388, the final R = 0.0663 and wR = 0.1539 for 7737 observed reflections with I 2s(I). Complex 1 exhibits 2D network skeletons which are linked by hydrogen-bonding interactions to give a 3D supramolecular architecture. In addition, the antifungal effects of H_2 sba, metal salts and the title complex have also been studied by disc diffusion method against Colletotrichum gloeosporioides Penz. Complex 1 has better antifungal activity than H_2 sba and the corresponding metal salts. Complex 1 has potential applications in the antifungal activity.     

A Novel 3D Cobalt（II） Complex Constructed by 2,2＇-（1,4-Butanediyl）bis（1H-benzimidazole） Ligand

A novel 3D polymer 1 (C26H22CoN4O4, Mr = 513.41) constructed from H2C4BIm (2,2'-(1,4-butanediyl)bis(1H-benzimidazole)], 1,3-bdc (1,3-benzenedicarboxylate) and Co(II) has been successfully synthesized under hydrothermal conditions and characterized by single-crystal X-ray diffraction analysis. The crystal belongs to the tetragonal system, space group I-42d with a = 24.315(5), b = 24.315(5), c = 8.343(2), V = 4933(2)3, Z = 8, Dc = 1.383 g/cm3, μ(MoKα) = 0.735 mm-1, F(000) = 2120, S = 1.156, the final R = 0.0596 and wR = 0.1346 for 1529 reflections with I > 2σ(I). Complex 1 contains 1D chains which are connected by extensive hydrogen-bonding interactions to form the 2D folded layer and 3D framework, which also stabilize the structure.     

A New Tetranuclear Cobalt Cluster with （1H-Benzimidazol-2-yl）-methanol Synthesis and Crystal Structure

A new tetranuclear cluster [Co4(bm)6Cl2]·(H2O)2·(CH3OH)(1, Hbm is(1H-benzimidazol-2-yl)-methanol) has been synthesized by solvothermal method and structurally determined by IR, elemental analysis, and single-crystal X-ray diffraction. Complex 1 belongs to monoclinic space group P21/n with a = 21.1713(5), b = 12.7948(3), c = 24.0195(9) , β = 95.309(3)°, V = 6478.6(3) 3, Z = 4, F(000) = 2568, Dc = 1.289 g·cm–3, Mr = 1257.63, μ = 9.096 mm–1, S = 1.000, the final R = 0.0861 and wR = 0.2552 for 4956 observed reflections with I 2σ(I). Two connected face-sharing cubes are observed in the framework of 1, each with one vertex missing. Complex 1 forms a 2-D network through N–H···O hydrogen bonds. The apparent holes can be observed.     

Hydrothermal Synthesis and Crystal Structure of One 3D Coordination Polymer of Nickel(Ⅱ) Achieved from 5-Iodo-isophthalic Acid Ligand

A new coordination polymer [Ni(L)(m-bix)(H2O)]n(1, H2L = 5-iodo-isophthalic acid, m-bix = 1,3-bis(imidazol-1-ylmethyl)-benzene) has been synthesized by the hydrothermal method and characterized by IR, elemental analysis, powder XRD and single-crystal X-ray analysis. The crystal is of triclinic, space group P1 with a = 9.1638(3), b = 10.2319(3), c = 13.2463(4) ?, α = 80.1710(10), β = 83.671(2), γ = 70.3790(10)o, C22H19NiIN4O5, Mr = 605.02, V = 1150.85(6) ?3, Dc = 1.746 g/cm3, F(000) = 600, μ = 2.225 mm-1, S = 1.045 and Z = 2. The final R = 0.0388 and wR = 0.1257 for 5089 observed reflections with I 2σ(I). In the title complex, the M and P layers are arranged alternately to give a double-layer structure by the symmetry related hydrogen bonds, and these double-layers are further joined together to achieve a 2D supramolecular architecture through I···π interaction involving iodine atoms and imidazole rings. The thermal stability of the title complex was studied by thermal gravimetric(TG) and differential thermal analysis(DTA).     

Synthesis,Crystal Structure and Luminescent Properties of a Novel 1D Zigzag Chain Barium(Ⅱ) Coordination Polymer

A new coordination polymer {[Ba(L)(H2O)5]·H2O}n(1, H2 L = 3,3'-((((ethane-1,2-diylbis(oxy))-bis(2,1-phenylene))bis(methylene))bis(oxy))dibenzoic acid) has been synthesized under evaporation process and characterized by elemental analysis, IR spectra, TG analysis,fluorescence spectrum, powder X-ray diffraction analysis and single-crystal X-ray diffraction.Complex 1 crystallizes in the monoclinic system, space group P21/c, with a = 20.918(5), b =7.4539(2), c = 20.168(5) A, β = 95.486(2)o, V = 3130.1(1) A3, Z = 4, C30H34 Ba O14, Mr = 755.91, Dc =1.604 g/cm3, F(000) = 1528, μ = 1.34 mm-1, the final R = 0.0404 and w R = 0.0676 for all data.Single-crystal X-ray structural reveals that the Ba(II) ion adopts a nine-coordinated distorted tricapped trigonal prism coordination geometry. Adjacent Ba(II) ions are linked by one μ2-L2- anion and two(μ2-H2O) water molecules to generate an infinite 1D zigzag chain structure. Then these chains are further linked into a 2D layer supramolecular architecture through O–H···O hydrogen bonds. Luminescent property and thermal stability of complex 1 were investigated.     

A Three-dimensional Cd(Ⅱ) Coordination Polymer with Unique 8-Connected LOMFOI Topology Based on Mixed Flexible N/O Ligands

A new metal-organic framework,{[Cd(DPA)(OBA)]·(H2O)}n(1,DPA = 4,4-dipyridylamine,H2OBA = 4,4-oxybisbenzoic acid),has been synthesized and characterized by elemental analysis,IR and single-crystal X-ray diffraction.Single-crystal X-ray analysis shows that it is a 3-D framework.Complex 1 crystallizes in monoclinic,space group C2/c with a = 21.699(7),b = 12.192(4),c = 17.566(5) ,β = 105.254(5)°,V = 4483.43 3,Z = 8,Dc = 1.653 g/cm3,μ = 1.021 mm-1,F(000) = 2240,the final R = 0.0307,wR = 0.0867(I 2σ(I)).Complex 1 exhibits a rare three-dimensional highly 8-connected LOMFOI topology with a point symbol of {424·64}.Thermogravimetric analysis shows that the decomposition temperature of the host framework of the complex is above 400 ℃.     

A New Three-dimensional Supramolecular Polymer Built from Non-covalent Bonding Interactions

A new complex, [Ni2(L)4(H2O)8](1, L1 = 4-(1H-imidazol-4-yl)benzoic acid), has been hydrothermally prepared and characterized by single-crystal X-ray diffraction, IR spectroscopy, elemental analysis and PXRD. Complex 1 crystallizes in monoclinic, space group P21/c with a = 22.281(2), b = 7.3959(7), c = 24.978(3) ?, β = 90.876(10), V = 4115.6(7) ?3, Z = 8, C20H22N4O8Ni, Mr = 505.13, Dc = 1.630 g/cm3, μ = 1.001 mm-1, S = 1.080, F(000) = 2096, the final R = 0.452 and wR = 0.1152 for 9380 observed reflections(I 2σ(I)). The result of X-ray diffraction analysis revealed three different kinds of Ni(II) centre mononuclear molecules in the asymmetric unit. The independent mononuclear units are bridged to form a three-dimensional supramolecular polymer by extensive hydrogen bonds and C–H···π non-covalent bonding interactions.     

A Novel 3D Cu(Ⅱ) Coordination Polymer Containing Mixed Ligands: Synthesis,Crystal Structure and Properties

A novel compound, {[Cu2(nbdc)2(4,4'-bpy)2(H2O)2]·2H2O}n(H2nbdc = 4-nitrobenzene-1,2-dicarboxylic acid, 4,4'-bpy = 4,4'-bipyridine), was hydrothermally synthesized and characterized by elemental analysis, IR spectroscopy, thermogravimetric analysis(TGA), and single-crystal X-ray diffraction. The complex is of orthorhombic system, space group Pbcn with a = 32.222(7), b = 7.8503(16), c = 28.389(6), V = 7181(3)3, Dc = 1.720 g/cm3, Mr = 929.74, Z = 8, F(000) = 3792, μ = 1.273 mm-1, the final R = 0.0591 and wR = 0.1378 for 4548 observed reflections with I 2σ(I). The compound exhibits a 3D self-penetrating framework with bcu net topology, in which the(46·48)-networks are joined by the H2nbdc and 4,4'-bpy linkers.     

一个新颖的(5,6)-连接三维超分子网络拓扑结构(英文)

A new complex,[Co(HL)2(H2O)4]·H2O(1)(H2L =5-carboxy-1-carboxymethyl-2-oxidopyridinium),was synthesized and characterized by X-ray single-crystal diffraction,elemental analysis,and IR spectra.The crystal is monoclinic,space group P21/c with a=0.512 69(2) nm,b=2.275 31(1) nm,c=1.003 95(6) nm,β=98.015(3)°,V= 1.159 7(1) nm3,Z=2,Mr=541.29,F(000)=558,Dc=1.550 g·cm-3,μ=0.816 mm-1,the final R=0.044 5 and wR=0.142 1 for 2 015 observed reflections(I2σ(I)).Complex 1 can be considered constructed from 2D layers,which consist of left-and right-handed helical chains and further linked into a 3D supramolecular architecture by hydrogen bonds.Topology analysis reveals that complex 1 shows an unprecedented 3D binodal(5,6)-connected topology.     

Two Zn(Ⅱ)/Cd(Ⅱ) Metal-organic Frameworks Constructed from 1,3,5-Benzenetricarboxylic Acid and1,4-Bis(1-imidazolyl)benzene:Syntheses,Structures and Photoluminescent Properties

Two new d~(10 )metal-based metal-organic frameworks,{[Zn_3(btc)_2(bib)_2(H_2O)_2]·2H_2O}_n(1)and{[Cd_3(btc)_2(bib)_(1.5)(H_2O)_6]·6H_2O}_n(2)(btc=1,3,5-benzenetricarboxylate anion,bib=1,4-bis(1-imidazolyl)benzene)have been prepared under hydrothermal conditions by the reactions of d~(10 )metal oxides of ZnO and CdO with the aromatic polycarboxylic H_3btc and the N-heterocyclic bib.The two products were characterized by single-crystal X-ray diffraction analysis,elemental analysis,thermogravimetric analysis(TGA),and IR spectroscopy.Complexes 1 and 2 crystallize in monoclinic C2/c and triclinic P 1 space groups,respectively.1 shows a 3D framework,and the potential large voids of the 3D network lead to a 3-fold interpenetrating architecture.2 displays a 2D framework,and the adjacent 2D layers expand into a 3D supramulecular network via rich hydrogen bonds.Moreover,the luminescent properties of the two complexes are investigated in solid state.     

A New Cd(Ⅱ) Coordination Compound Based on 4-(1,2,4-Triazol-4-yl)phenylacetic Acid:Synthesis,Structure and Photoluminescence Property

A new complex [Cd_2(L)_2(Cl)_2(H_2O)]_n(1) was synthesized by reacting CdCl_2·2.5 H_2O with 4-(1,2,4-triazol-4-yl)phenylacetic acid(HL) ligand.The structure of the complex was characterized by single-crystal X-ray diffraction,IR spectroscopy,elemental analysis and PXRD.Complex 1 crystallizes in triclinic,space group P21/c with a = 11.4303(8),b = 14.1792(10),c = 14.6857(10) ?,β = 96.3780(10)o,V = 2365.4(3) ?~3,Z = 4,C_(20)H_(16)Cl_2N_6O_5Cd_2,M_r = 716.09,D_c = 2.011 g/cm3,μ = 2.069 mm~(-1),S = 1.051,F(000) = 1392,the final R = 0.0458 and wR = 0.0949 for 5402 observed reflections(I 2σ(I)).Complex 1 is a two-dimensional(2D) layer structure and non-covalent bonding interactions such as C–H···π and π···π extend the 2D to form a three-dimensional supramolecular polymer.     

Synthesis and Crystal Structure of μ1,1,3 Formic Bridging 3D Microporous Ni(Ⅱ) Complex

A μ1,1,3 formic bridging Ni2 complex [Ni3(HCOO)6·H2O]]n 1 has been synthesi-zed under hydrothermal conditions. The single-crystal X-ray diffraction analysis shows that 1 exhibits a 3D open microporous tube formed by covalent and coordination bonds. Complex 1 crystallizes in the monoclinic system, space group P21/c with a = 11.1487(13), b = 9.7763(11), c =17.9685(17) A, β= 126.948(6)°, C6H6Ni3O13, Mr = 462.02, V = 1565.2(3) A3 Z = 4, Dc= 1.961 g/cm3, μ = 3.630 mm-1, F(000) = 917.7, Rint = 0.0234, the final R = 0.0234 and wR = 0.0734 for 3469 observed reflections (Ⅰ>2σ(Ⅰ)).