Two new Cu(II) coordination polymers, [Cu(FDA)(BPY)(H20)]n (1) and {[Cu(FDA)(BPY)(H2O)].2H2O}n (2) (H2FDA = 2,5-furandicarboxylic acid, BPY = 2,2'-bipyridine), have been synthesized and structural...Two new Cu(II) coordination polymers, [Cu(FDA)(BPY)(H20)]n (1) and {[Cu(FDA)(BPY)(H2O)].2H2O}n (2) (H2FDA = 2,5-furandicarboxylic acid, BPY = 2,2'-bipyridine), have been synthesized and structurally characterized by single-crystal X-ray diffraction as well as elemental analysis and IR. Compound 1 crystallizes in monoclinic, space group P21/c, with a = 7.5915(15), b = 8.4050(17), c = 24.204(6) A, β = 99.05(3)°, V= 1525.1(6) A3, Dc = 1.706 g/crn3, C16HI2CuN206, Mr = 391.82, F(000) = 796, μ(MoKa) = 1.470 mm-l, Z = 4, R = 0.0633 and wR = 0.1059 for 2389 observed reflections (1 〉 2a(I)), R = 0.0738, and wR = 0.1098 for all data. Complex 2 belongs to triclinic space group PI with a = 8.8660(18), b = 8.9112(18), c = 12.525(3) A, a = 88.41(3), β = 69.38(3), γ = 66.95(3)°, V = 845.2(3) A3, Dc = 1.681 g/cm3, CI6HI6CuN2Os, Mr. = 427.85, F(000) = 438, μ(MoKα) = 1.342 mm-1, Z = 2, R = 0.0290 and wR = 0.0690 for 2767 observed reflections (I 〉 2σ(I)), R = 0.0329 and wR = 0.0706 for all data. Complexes 1 and 2 are both coordination polymers with one-dimensional chain structures bridged by the protonated FDA ligands, which are assembled into three-dimensional supramolecular structures through hydrogen bonding interactions and π-π packing interactions between the chains.展开更多
The title compound {[Mn(H2BPTC)(tpy)(H2O)]·(H2O)3}, (1, H4BPTC = 1,1'- biphenyl-2,2',6,6'-tetracarboxylic acid, tby = 2,2':6,2'-terpyridine) has been synthesized by the hydrothermal reaction, and ...The title compound {[Mn(H2BPTC)(tpy)(H2O)]·(H2O)3}, (1, H4BPTC = 1,1'- biphenyl-2,2',6,6'-tetracarboxylic acid, tby = 2,2':6,2'-terpyridine) has been synthesized by the hydrothermal reaction, and its structure was determined by X-ray diffraction and characterized by elemental analysis, IR spectrum and thermogravimetric analysis. The crystal is of monoclinic, space group P21/c with a = 10.971(2), b = 20.776(4), c = 14.332(3) A, β = 109.25(3)°, MnC31H27N3O12, Mr = 688.50, V= 3084.1(10) A^3, Dc = 1.483 g/cm^3, F(000) = 1420, p = 0.498 mm^-1, S = 1.066 and Z = 4. The final refinement gave R = 0.0447 and wR = 0.1103 for 5107 observed reflections with I 〉 2σ(I). The title complex has a {[Mn(H2BPTC)(tpy)(H2O)]}, chain structure, and the hydrogen bonding interactions make it more stable. Each chain is further connected to the adjacent ones through π…π, C-H…π and rich hydrogen bonds to form a metal-organic coordination polymer.展开更多
A new 3D Cd(II) coordination polymer, [Cd2L(phen)(HzO)]n (1, HaL = terphenyl- 2,2',4,4'-tetracarboxylic acid, phen = 1,10-phenanthroline), has been hydrothermally synthesized and characterized by single-crys...A new 3D Cd(II) coordination polymer, [Cd2L(phen)(HzO)]n (1, HaL = terphenyl- 2,2',4,4'-tetracarboxylic acid, phen = 1,10-phenanthroline), has been hydrothermally synthesized and characterized by single-crystal X-ray diffraction analysis, elemental analysis, TGA and IR spectroscopy. Complex 1 crystallizes in the monoclinic system, space group P21/c with a = 8.196(2), b = 18.348(5), c = 19.036(5) A, β = 97.741(5)°, V= 2836.6(14) A3, Z = 4, Dc = 1.933 Mg.m-3, p = 1.565 mm1, F(000) = 1624, the final R = 0.0356 and wR = 0.0612 for 4990 observed reflections with 1 〉 2a(I). Complex 1 has a 1D chain containing Cd4 structural units, which are linked by 2- and 2'-carboxyl groups of L4- to result in a 3D framework. Additionally, the photoluminescent property of 1 was also studied in the solid state at room temperature.展开更多
A new three-dimensional coordination polymer {[Co(BPTC)0.5(bix)]′(H2O)}n (1, H4BPTC = 1,1′-biphenyl-2,2′,6,6′-tetracarboxylic acid, bix = 1,3-bis(imidazol-l-ylmethyl)-benzene) has been synthesized by the...A new three-dimensional coordination polymer {[Co(BPTC)0.5(bix)]′(H2O)}n (1, H4BPTC = 1,1′-biphenyl-2,2′,6,6′-tetracarboxylic acid, bix = 1,3-bis(imidazol-l-ylmethyl)-benzene) has been synthesized by the hydrothermal method and characterized by IR, elemental analysis, and single-crystal X-ray analysis. The crystal is of orthorhombic, space group Pbcn with a = 13.2975(10), b = 13.8424(12), c = 22.6367(17) A, CoC22H19N4Os, Mr = 478.34, V = 4166.7(6) A3, Dc = 1.525 g/cm^3, F(000) = 1968,μ = 0.867 mm^-1, S = 1.023 and Z = 8. The final R = 0.0683 and wR = 0.1529 for 3655 observed reflections with I 〉 20(I). In the title complex, the 2D Co-BPTC layer is formed through self-assembly of Co(II) ions and bridging BPTC4-ligands in a molar ratio of 2:1. The metal-organic lattice layers are further united together through the second bridging ligand bix to form a 3D metal-organic framework. The thermal stability of the title complex was studied by thermal gravimetric (TG) and differential thermal analysis (DTA).展开更多
Terbium perchlorate reacted with isonicotinic acid (Hpya) and biphenyl-2,2'-dicarboxylic acid (H2dpa) under hydrothermal condition, a new ternary terbium complex [ Tb (pya) (dpa) (H2O) n ( 1 ) was synthes...Terbium perchlorate reacted with isonicotinic acid (Hpya) and biphenyl-2,2'-dicarboxylic acid (H2dpa) under hydrothermal condition, a new ternary terbium complex [ Tb (pya) (dpa) (H2O) n ( 1 ) was synthesized. The structure of the ternary complex was determined by X-ray single crystal diffraction and characterized by elemental analysis, fluorescence measurement. The fluorescence spectrum shows the title complex emits strong green light. The crystal data for the com- plex: monoclinic, P21/n space group, a =0.8908(5)nm, b = 1.0569(6)nm, c =2.0969(11)nm, β = 98.446(8)°, V = 1.9528(18) nm^3, Z = 4, R = 0.0241, wR2 = 0.0534. The center Tb3+ ion is eight coordinated. The coordination polyhedron around Tb3 + ion can be described as a distorted square antiprism. The complex forms an infinite one-dimenand sional alternating chain polymer by bridging carboxyl groups of pyadpa.展开更多
The title complex Pd(H2BDA)Cl2·2DMSO (C16H14Cl2N2O6PdS2, H2BDA = 2,2'- bipyridine-3,3'-dicarboxylic acid) has been synthesized and characterized by IR spectra, elemental analysis and ^1H NMR spectra. Its st...The title complex Pd(H2BDA)Cl2·2DMSO (C16H14Cl2N2O6PdS2, H2BDA = 2,2'- bipyridine-3,3'-dicarboxylic acid) has been synthesized and characterized by IR spectra, elemental analysis and ^1H NMR spectra. Its structure was determined by single-crystal X-ray diffraction analysis. The complex crystallizes in the monoclinic system, space group P2(1/c) with a = 1.3604(6), b = 1.2606(6), c = 1.3521 (6) nm, β = 103.677(7)°, V = 2.2530(17) nm^3, Mr = 571.75, Z = 4, Dc = 1.686 g/cm^3,μ = 1.280 mm^-1, F(000) = 1136, R= 0.0405 and wR= 0.0908. The complex presents a planar quadrangle arrangement and is assembled via hydrogen bonds.展开更多
A new 3D Cd(II) coordination polymer, [Cd2L(dpe)]n (1, HaL = 6,6"-dinitro-2,2",4, 4"-biphenyltetracarboxylic acid, dpe = 1,2-di(4-pyridyl)ethylene), has been synthesized using the hydrothermal method and ch...A new 3D Cd(II) coordination polymer, [Cd2L(dpe)]n (1, HaL = 6,6"-dinitro-2,2",4, 4"-biphenyltetracarboxylic acid, dpe = 1,2-di(4-pyridyl)ethylene), has been synthesized using the hydrothermal method and characterized by single-crystal X-ray diffraction, elemental analysis, IR, thermogravimetric analysis, and photoluminescent analysis. Complex 1 crystallizes in the monoclinic system, space group C2/c with a = 8.0006(15), b = 23.900(5), c = 14.836(3) A, fl = 95.723(3)°, V = 2822.7(10) A3, Z = 8, Dc = 1.937 Mg.m3, p = 1.581 mm-1, F(000) = 1608, the final R = 0.0231 and wR = 0.0629 for 2239 observed reflections with I 〉 2a(/). Complex 1 is a 3D pillared bilayer (4,5,7)-connected net with the Schlfli symbol of (4^14·6^7) (4^2·6^5·8^3) (4^4·6^2) topology. The photoluminescent property of 1 is also investigated.展开更多
基金Supported by the National Natural Science Foundation of China(21031002 and 51073079)the Fundamental Research Funds for the Central Universitiesthe Application and Research in Cutting-edge Technologies in Tianjin Technology Projects in General(K11JCYBJC11100)
文摘Two new Cu(II) coordination polymers, [Cu(FDA)(BPY)(H20)]n (1) and {[Cu(FDA)(BPY)(H2O)].2H2O}n (2) (H2FDA = 2,5-furandicarboxylic acid, BPY = 2,2'-bipyridine), have been synthesized and structurally characterized by single-crystal X-ray diffraction as well as elemental analysis and IR. Compound 1 crystallizes in monoclinic, space group P21/c, with a = 7.5915(15), b = 8.4050(17), c = 24.204(6) A, β = 99.05(3)°, V= 1525.1(6) A3, Dc = 1.706 g/crn3, C16HI2CuN206, Mr = 391.82, F(000) = 796, μ(MoKa) = 1.470 mm-l, Z = 4, R = 0.0633 and wR = 0.1059 for 2389 observed reflections (1 〉 2a(I)), R = 0.0738, and wR = 0.1098 for all data. Complex 2 belongs to triclinic space group PI with a = 8.8660(18), b = 8.9112(18), c = 12.525(3) A, a = 88.41(3), β = 69.38(3), γ = 66.95(3)°, V = 845.2(3) A3, Dc = 1.681 g/cm3, CI6HI6CuN2Os, Mr. = 427.85, F(000) = 438, μ(MoKα) = 1.342 mm-1, Z = 2, R = 0.0290 and wR = 0.0690 for 2767 observed reflections (I 〉 2σ(I)), R = 0.0329 and wR = 0.0706 for all data. Complexes 1 and 2 are both coordination polymers with one-dimensional chain structures bridged by the protonated FDA ligands, which are assembled into three-dimensional supramolecular structures through hydrogen bonding interactions and π-π packing interactions between the chains.
基金supported by the Natural Science Foundation of Henan Province (No. 2010A140009) the International Technology Cooperation Project of Science and Technology Department of Henan Province (No. 104300510044)
文摘The title compound {[Mn(H2BPTC)(tpy)(H2O)]·(H2O)3}, (1, H4BPTC = 1,1'- biphenyl-2,2',6,6'-tetracarboxylic acid, tby = 2,2':6,2'-terpyridine) has been synthesized by the hydrothermal reaction, and its structure was determined by X-ray diffraction and characterized by elemental analysis, IR spectrum and thermogravimetric analysis. The crystal is of monoclinic, space group P21/c with a = 10.971(2), b = 20.776(4), c = 14.332(3) A, β = 109.25(3)°, MnC31H27N3O12, Mr = 688.50, V= 3084.1(10) A^3, Dc = 1.483 g/cm^3, F(000) = 1420, p = 0.498 mm^-1, S = 1.066 and Z = 4. The final refinement gave R = 0.0447 and wR = 0.1103 for 5107 observed reflections with I 〉 2σ(I). The title complex has a {[Mn(H2BPTC)(tpy)(H2O)]}, chain structure, and the hydrogen bonding interactions make it more stable. Each chain is further connected to the adjacent ones through π…π, C-H…π and rich hydrogen bonds to form a metal-organic coordination polymer.
基金supported by the National Natural Science Foundation of China (21103146)the Natural Scientific Foundation of Shaanxi Province (2012JM2015)the Natural Scientific Research Foundation of Shaanxi Provincial Education Office (11JK0567)
文摘A new 3D Cd(II) coordination polymer, [Cd2L(phen)(HzO)]n (1, HaL = terphenyl- 2,2',4,4'-tetracarboxylic acid, phen = 1,10-phenanthroline), has been hydrothermally synthesized and characterized by single-crystal X-ray diffraction analysis, elemental analysis, TGA and IR spectroscopy. Complex 1 crystallizes in the monoclinic system, space group P21/c with a = 8.196(2), b = 18.348(5), c = 19.036(5) A, β = 97.741(5)°, V= 2836.6(14) A3, Z = 4, Dc = 1.933 Mg.m-3, p = 1.565 mm1, F(000) = 1624, the final R = 0.0356 and wR = 0.0612 for 4990 observed reflections with 1 〉 2a(I). Complex 1 has a 1D chain containing Cd4 structural units, which are linked by 2- and 2'-carboxyl groups of L4- to result in a 3D framework. Additionally, the photoluminescent property of 1 was also studied in the solid state at room temperature.
基金supported by the International Technology Cooperation Project of Science and Technology Department of Henan Province (No. 124300510050)
文摘A new three-dimensional coordination polymer {[Co(BPTC)0.5(bix)]′(H2O)}n (1, H4BPTC = 1,1′-biphenyl-2,2′,6,6′-tetracarboxylic acid, bix = 1,3-bis(imidazol-l-ylmethyl)-benzene) has been synthesized by the hydrothermal method and characterized by IR, elemental analysis, and single-crystal X-ray analysis. The crystal is of orthorhombic, space group Pbcn with a = 13.2975(10), b = 13.8424(12), c = 22.6367(17) A, CoC22H19N4Os, Mr = 478.34, V = 4166.7(6) A3, Dc = 1.525 g/cm^3, F(000) = 1968,μ = 0.867 mm^-1, S = 1.023 and Z = 8. The final R = 0.0683 and wR = 0.1529 for 3655 observed reflections with I 〉 20(I). In the title complex, the 2D Co-BPTC layer is formed through self-assembly of Co(II) ions and bridging BPTC4-ligands in a molar ratio of 2:1. The metal-organic lattice layers are further united together through the second bridging ligand bix to form a 3D metal-organic framework. The thermal stability of the title complex was studied by thermal gravimetric (TG) and differential thermal analysis (DTA).
文摘Terbium perchlorate reacted with isonicotinic acid (Hpya) and biphenyl-2,2'-dicarboxylic acid (H2dpa) under hydrothermal condition, a new ternary terbium complex [ Tb (pya) (dpa) (H2O) n ( 1 ) was synthesized. The structure of the ternary complex was determined by X-ray single crystal diffraction and characterized by elemental analysis, fluorescence measurement. The fluorescence spectrum shows the title complex emits strong green light. The crystal data for the com- plex: monoclinic, P21/n space group, a =0.8908(5)nm, b = 1.0569(6)nm, c =2.0969(11)nm, β = 98.446(8)°, V = 1.9528(18) nm^3, Z = 4, R = 0.0241, wR2 = 0.0534. The center Tb3+ ion is eight coordinated. The coordination polyhedron around Tb3 + ion can be described as a distorted square antiprism. The complex forms an infinite one-dimenand sional alternating chain polymer by bridging carboxyl groups of pyadpa.
基金This project was supported by the Science Foundation of Shenyang Institute of Chemical Technology, National Science Foundation for Post-doctoral and Corporation Post-doctoral Foundation of Liaoning Province
文摘The title complex Pd(H2BDA)Cl2·2DMSO (C16H14Cl2N2O6PdS2, H2BDA = 2,2'- bipyridine-3,3'-dicarboxylic acid) has been synthesized and characterized by IR spectra, elemental analysis and ^1H NMR spectra. Its structure was determined by single-crystal X-ray diffraction analysis. The complex crystallizes in the monoclinic system, space group P2(1/c) with a = 1.3604(6), b = 1.2606(6), c = 1.3521 (6) nm, β = 103.677(7)°, V = 2.2530(17) nm^3, Mr = 571.75, Z = 4, Dc = 1.686 g/cm^3,μ = 1.280 mm^-1, F(000) = 1136, R= 0.0405 and wR= 0.0908. The complex presents a planar quadrangle arrangement and is assembled via hydrogen bonds.
基金supported by the National Natural Science Foundation of China(No.21373178)the Open Foundation of Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education(338080043)
文摘A new 3D Cd(II) coordination polymer, [Cd2L(dpe)]n (1, HaL = 6,6"-dinitro-2,2",4, 4"-biphenyltetracarboxylic acid, dpe = 1,2-di(4-pyridyl)ethylene), has been synthesized using the hydrothermal method and characterized by single-crystal X-ray diffraction, elemental analysis, IR, thermogravimetric analysis, and photoluminescent analysis. Complex 1 crystallizes in the monoclinic system, space group C2/c with a = 8.0006(15), b = 23.900(5), c = 14.836(3) A, fl = 95.723(3)°, V = 2822.7(10) A3, Z = 8, Dc = 1.937 Mg.m3, p = 1.581 mm-1, F(000) = 1608, the final R = 0.0231 and wR = 0.0629 for 2239 observed reflections with I 〉 2a(/). Complex 1 is a 3D pillared bilayer (4,5,7)-connected net with the Schlfli symbol of (4^14·6^7) (4^2·6^5·8^3) (4^4·6^2) topology. The photoluminescent property of 1 is also investigated.