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
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 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
Hydrothermal reactions of three aromatic polycarboxylic acids and the transitional metal cations in the presence of phen and 1,4-bib afford three new coordination polymers： [Cd2（bpp）1.5（Hbpp）（phen）2]n （1）, [...Hydrothermal reactions of three aromatic polycarboxylic acids and the transitional metal cations in the presence of phen and 1,4-bib afford three new coordination polymers： [Cd2（bpp）1.5（Hbpp）（phen）2]n （1）, [Mn3（Htptc）2（phen）2（H2O）2]n （2）, and {[Cu（btc）0.5（1,4- bib）]·2H2O}n（3） （H2bpp = 2,6-bis（4＇-carboxyphenyl）-4-phenylpyridine, H4tptc = terphenyl-2,5,2＇,5＇-tetracar- boxylic acid, H4btc =biphenyl-2,2＇,4,4＇-tetracarboxylic acid, phen =1,10-phenanthroline, and 1,4-bib = 1,4-bis（1H-imidazol-1-yl）benzene）. Their structures have been determined by single- crystal X-ray diffraction analyses, elemental analyses, IR spectra, and powder X-ray diffraction （PXRD） analyses. In compound 1, the CdII cations are linked by bpp2- to form one ladder structure, based on which a 3D network is constructed with the help of non-covalent interactions. The topology of 2 is a 3D （3,4,5）-connected framework with the Point Schl？fli symbol of （42.6）2（43.62.8）（45.64.8）2. Compound 3 shows an unprecedented 3D （4,4）-connected framework with the Point Schl？fli symbol of （64.82）2（65.8）. Moreover, the luminescent property of 1 has been investigated.展开更多
The crystal structure of Mn(BDA)(bpy)2(H2O)(H2O)2 (1)(BDA=6,6′-dibromo-2,2′-dimethoxy-1,1′-bi- naphthylene-4,4′-disulfonate, bpy=2,2′-bipyridine) composes of a manganese center which is surrounded by two nitrogen...The crystal structure of Mn(BDA)(bpy)2(H2O)(H2O)2 (1)(BDA=6,6′-dibromo-2,2′-dimethoxy-1,1′-bi- naphthylene-4,4′-disulfonate, bpy=2,2′-bipyridine) composes of a manganese center which is surrounded by two nitrogen atoms from 2,2′-bipyridine and four oxygen atoms from three water and sulfonate group of BDA that also participate in H-bonding interactions to form 3D network as well as some uncoordinated water. CCDC: 277922.展开更多
The crystal structure of Cd(BDA)(phen)2(H2O)(H2O)2 (1) (BDA=6,6′-dibromo-2,2′-dimethoxy-1,1′-bi- naphthylene-4,4′-disulfonate, phen=1,10-phenanthroline)consists of a cadmium center whose coordination envi- ronment...The crystal structure of Cd(BDA)(phen)2(H2O)(H2O)2 (1) (BDA=6,6′-dibromo-2,2′-dimethoxy-1,1′-bi- naphthylene-4,4′-disulfonate, phen=1,10-phenanthroline)consists of a cadmium center whose coordination envi- ronment can be best described as a slightly distorted octahedron defined four nitrogen atoms from two phen lig- ands and two oxygen atoms differently from BDA ligand and water. There are strong hydrogen-bonding interac- tions between water and sulfonate group of BDA ligands to construct the 3D network. CCDC: 277921.展开更多
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.
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 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）.
基金supported by the National Natural Science Foundation of China(20873150)the Natural Science Foundation of Shandong Province(ZR2010BL012,ZR2010BQ023)
文摘Hydrothermal reactions of three aromatic polycarboxylic acids and the transitional metal cations in the presence of phen and 1,4-bib afford three new coordination polymers： [Cd2（bpp）1.5（Hbpp）（phen）2]n （1）, [Mn3（Htptc）2（phen）2（H2O）2]n （2）, and {[Cu（btc）0.5（1,4- bib）]·2H2O}n（3） （H2bpp = 2,6-bis（4＇-carboxyphenyl）-4-phenylpyridine, H4tptc = terphenyl-2,5,2＇,5＇-tetracar- boxylic acid, H4btc =biphenyl-2,2＇,4,4＇-tetracarboxylic acid, phen =1,10-phenanthroline, and 1,4-bib = 1,4-bis（1H-imidazol-1-yl）benzene）. Their structures have been determined by single- crystal X-ray diffraction analyses, elemental analyses, IR spectra, and powder X-ray diffraction （PXRD） analyses. In compound 1, the CdII cations are linked by bpp2- to form one ladder structure, based on which a 3D network is constructed with the help of non-covalent interactions. The topology of 2 is a 3D （3,4,5）-connected framework with the Point Schl？fli symbol of （42.6）2（43.62.8）（45.64.8）2. Compound 3 shows an unprecedented 3D （4,4）-connected framework with the Point Schl？fli symbol of （64.82）2（65.8）. Moreover, the luminescent property of 1 has been investigated.
文摘The crystal structure of Mn(BDA)(bpy)2(H2O)(H2O)2 (1)(BDA=6,6′-dibromo-2,2′-dimethoxy-1,1′-bi- naphthylene-4,4′-disulfonate, bpy=2,2′-bipyridine) composes of a manganese center which is surrounded by two nitrogen atoms from 2,2′-bipyridine and four oxygen atoms from three water and sulfonate group of BDA that also participate in H-bonding interactions to form 3D network as well as some uncoordinated water. CCDC: 277922.
文摘The crystal structure of Cd(BDA)(phen)2(H2O)(H2O)2 (1) (BDA=6,6′-dibromo-2,2′-dimethoxy-1,1′-bi- naphthylene-4,4′-disulfonate, phen=1,10-phenanthroline)consists of a cadmium center whose coordination envi- ronment can be best described as a slightly distorted octahedron defined four nitrogen atoms from two phen lig- ands and two oxygen atoms differently from BDA ligand and water. There are strong hydrogen-bonding interac- tions between water and sulfonate group of BDA ligands to construct the 3D network. CCDC: 277921.
