Solvent dependent assembly obtained two novel Ni coordination polymers with H_2 tbtpa and flexible 1,2-bix ligand（H_2tbtpa = tetrabromoterephthalic acid and 1,2-bix = 1,2-bis（imidazol-1-ylmethyl）benzene）,formulate...Solvent dependent assembly obtained two novel Ni coordination polymers with H_2 tbtpa and flexible 1,2-bix ligand（H_2tbtpa = tetrabromoterephthalic acid and 1,2-bix = 1,2-bis（imidazol-1-ylmethyl）benzene）,formulated as [Ni_（0.5）（tbtpa）_（0.5）（1,2-bix）·（H_2O）]_n（1） and [Ni（tbtpa）（1,2-bix）（H_2O）_2]_n（2）.They have been structurally characterized by single-crystal and powder X-ray diffraction,elemental analysis,FT-IR spectra and TGA.Compound 1 crystalizes in triclinic,space group P1 with a = 9.0276（4）,b = 10.0012（6）,c = 11.4955（5） A,α = 69.121（5）,β = 76.398（4）,γ = 89.668（4）o,C_（36）H_（32）Br_4 Ni N_8O_6,Mr = 1051.04,V = 939.05（8） A^3,Z = 1,Dc = 1.859 g·cm^-3,μ = 6.222 mm^-1,F（000） = 520,8.502≤2θ≤134.16°,λ（Cu Kα） = 1.54184 A,T = 294（6） K,the final R = 0.0750,w R = 0.1988 and S = 1.033.Compound 2 crystalizes in triclinic,space group P1 with a = 11.1257（7）,b = 11.5062（6）,c = 12.3529（4） A,α = 88.861（3）,β = 84.572（4）,γ = 64.235（6）o,C_（22）H_（18）Br_4 Ni N_4O_6,Mr = 812.75,V = 1417.36（1） A^3,Z = 2,Dc = 1.904 g·cm^-3,μ = 7.968 mm^-1,F（000） = 788,7.2≤2θ≤134.1°,λ（Cu Kα） = 1.54184 A,T = 294（6） K,the final R = 0.0414,w R = 0.0865 and S = 1.025.1 shows a two-dimensional（4,4）-sql topology and 2 manifests a three-dimensional 6~58 Cd SO_4 topology coordination polymer network.展开更多
A new Cd（Ⅱ） coordination polymer, namely {Cd_2（L）（biimpy）（H_2O）}_n（1, H4 L = 3-（3？,5？-dicarboxylphenoxy）phthalic acid, biimpy = 2,6-bis（1-imdazoly）pyridine）, has been successfully synthesized via the ...A new Cd（Ⅱ） coordination polymer, namely {Cd_2（L）（biimpy）（H_2O）}_n（1, H4 L = 3-（3？,5？-dicarboxylphenoxy）phthalic acid, biimpy = 2,6-bis（1-imdazoly）pyridine）, has been successfully synthesized via the hydrothermal reactions of Cd（Ⅱ） ions, H_4L and biimpy. The crystal structure is of triclinic, space group P1 with a = 7.7874（5）, b = 9.9716（5）, c = 18.5278（6） ？, α = 91.327（4）, β = 96.689（4）, γ = 111.896（5）o, V = 1322.39（12） ？~3, C_（27）H_（17）Cd_2N_5O_（10）, M_r = 796.26, Z = 2,D_c = 2.000 g/cm^3, F（000） = 780, μ = 1.679 mm^（-1）, R = 0.0345 and wR = 0.0767 for 3890 observed reflections（I 〉 2s（I））. Single-crystal X-ray structural analysis reveals that compound 1 features a three-dimensional（3D） framework based on two different dinuclear [Cd_2（COO）_2] building subunits, and topological analysis shows that it can be simplified into a binodal（4,6）-connected topological network with the point symbol of {3.4~2.5~2.6}{3~2.4~2.5~2.6~4.7~4.8}. Moreover, the thermal stability and luminescent property of compound 1 were also studied.展开更多
基金Supported by the National Natural Science Foundation of China(NSFC)(No.21271117)National Students'Innovation and Entrepreneurship Training Program(201410425060)
文摘Solvent dependent assembly obtained two novel Ni coordination polymers with H_2 tbtpa and flexible 1,2-bix ligand（H_2tbtpa = tetrabromoterephthalic acid and 1,2-bix = 1,2-bis（imidazol-1-ylmethyl）benzene）,formulated as [Ni_（0.5）（tbtpa）_（0.5）（1,2-bix）·（H_2O）]_n（1） and [Ni（tbtpa）（1,2-bix）（H_2O）_2]_n（2）.They have been structurally characterized by single-crystal and powder X-ray diffraction,elemental analysis,FT-IR spectra and TGA.Compound 1 crystalizes in triclinic,space group P1 with a = 9.0276（4）,b = 10.0012（6）,c = 11.4955（5） A,α = 69.121（5）,β = 76.398（4）,γ = 89.668（4）o,C_（36）H_（32）Br_4 Ni N_8O_6,Mr = 1051.04,V = 939.05（8） A^3,Z = 1,Dc = 1.859 g·cm^-3,μ = 6.222 mm^-1,F（000） = 520,8.502≤2θ≤134.16°,λ（Cu Kα） = 1.54184 A,T = 294（6） K,the final R = 0.0750,w R = 0.1988 and S = 1.033.Compound 2 crystalizes in triclinic,space group P1 with a = 11.1257（7）,b = 11.5062（6）,c = 12.3529（4） A,α = 88.861（3）,β = 84.572（4）,γ = 64.235（6）o,C_（22）H_（18）Br_4 Ni N_4O_6,Mr = 812.75,V = 1417.36（1） A^3,Z = 2,Dc = 1.904 g·cm^-3,μ = 7.968 mm^-1,F（000） = 788,7.2≤2θ≤134.1°,λ（Cu Kα） = 1.54184 A,T = 294（6） K,the final R = 0.0414,w R = 0.0865 and S = 1.025.1 shows a two-dimensional（4,4）-sql topology and 2 manifests a three-dimensional 6~58 Cd SO_4 topology coordination polymer network.
基金Supported by the 973 Program of China(2011CBA00505)the"Strategic Priority Research Program"of the Chinese Academy of Sciences(XDA07070200,XDA09030102)the Science Foundation of Fujian Province(2006L2005)
文摘A new Cd（Ⅱ） coordination polymer, namely {Cd_2（L）（biimpy）（H_2O）}_n（1, H4 L = 3-（3？,5？-dicarboxylphenoxy）phthalic acid, biimpy = 2,6-bis（1-imdazoly）pyridine）, has been successfully synthesized via the hydrothermal reactions of Cd（Ⅱ） ions, H_4L and biimpy. The crystal structure is of triclinic, space group P1 with a = 7.7874（5）, b = 9.9716（5）, c = 18.5278（6） ？, α = 91.327（4）, β = 96.689（4）, γ = 111.896（5）o, V = 1322.39（12） ？~3, C_（27）H_（17）Cd_2N_5O_（10）, M_r = 796.26, Z = 2,D_c = 2.000 g/cm^3, F（000） = 780, μ = 1.679 mm^（-1）, R = 0.0345 and wR = 0.0767 for 3890 observed reflections（I 〉 2s（I））. Single-crystal X-ray structural analysis reveals that compound 1 features a three-dimensional（3D） framework based on two different dinuclear [Cd_2（COO）_2] building subunits, and topological analysis shows that it can be simplified into a binodal（4,6）-connected topological network with the point symbol of {3.4~2.5~2.6}{3~2.4~2.5~2.6~4.7~4.8}. Moreover, the thermal stability and luminescent property of compound 1 were also studied.
