A novel coordination polymer [Cu(3-cpoa)(phen)(H2O)]n (3-cpoa2-=3-carboxyl phenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by e lemental analysis, IR spectra and single crystal X-ray diffra...A novel coordination polymer [Cu(3-cpoa)(phen)(H2O)]n (3-cpoa2-=3-carboxyl phenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by e lemental analysis, IR spectra and single crystal X-ray diffraction. Crystallogra phic facts are as follows: monoclinic crystal system, space group P21/n, a=0.688 96(14) nm, b=1.652 3(3) nm, c=1.651 1(3) nm, 穋m-3, F(000)=932, -ligands, two nitrogen atoms of 1,10-phen ligand and one coordinated water molecule. The copper atoms are bridged by 3-cp oa2-ligand, forming a one-dimensional chain along c axis. The distance of adjac ent Cu...Cu is 0.916 6(4) nm. A three-dimensional network structure is construct ed by the intermolecular hydrogen bond and stacking interactions. CCDC: 21972 4.展开更多
Three new CuⅡ coordination polymers,[Cu2(oba)2(H2O)(DMF)].3H2O(1),[Cu4(oba)4(DMF)4].4H2O.DMF(2) and [Cu2(oba)(hmp)2](3)(H2oba = 4,4'-oxybis(benzoic acid),Hhmp = 2-pyridine methanol,DMF = N,N'-dimethylformamid...Three new CuⅡ coordination polymers,[Cu2(oba)2(H2O)(DMF)].3H2O(1),[Cu4(oba)4(DMF)4].4H2O.DMF(2) and [Cu2(oba)(hmp)2](3)(H2oba = 4,4'-oxybis(benzoic acid),Hhmp = 2-pyridine methanol,DMF = N,N'-dimethylformamide) were synthesized by solvothermal reactions and characterized by single-crystal X-ray diffraction.Both complexes 1 and 2 take three-dimensional(3D) three-fold interpenetrating PtS topology with 1D channels.In complex 3,Cu4 clusters were formed by the chelating hmp ligands,and then the clusters were further linked by oba ligands to form a 3D three-fold interpenetrating dia topology network.For 2,N2 sorption shows type I isotherm with BET surface areas of 562 m2 g-1 and Langmuir surface area of 747 m2 g-1,respectively.At 77 and 87 K,the hydrogen uptakes of complex 2 are 0.89 wt% and 0.57 wt%,respectively.Magnetic investigation showed the ferromagnetic coupling between CuII ions and very weak antiferromagnetic interaction between Cu4 clusters in complex 3.展开更多
A novel coordination polymer of [Cu(4-OPA)2]n (4-OPA-=4-oxo-1(4H)-pyridineacetate anion) was synthesized and characterized by elemental analysis, IR, TG, fluorescence and X-ray single crystal diffraction. The title co...A novel coordination polymer of [Cu(4-OPA)2]n (4-OPA-=4-oxo-1(4H)-pyridineacetate anion) was synthesized and characterized by elemental analysis, IR, TG, fluorescence and X-ray single crystal diffraction. The title complex crystallizes in triclinic with space group P1, a=0.713 17(14) nm, b=0.739 81(15) nm, c=0.753 02(15) nm, α=91.46(3)°, β=109.14(3)°, γ=111.31(3)°. V=0.344 92(17) nm3, Z=1, R=0.028 6, wR=0.080 3. The Cu atom occupies an inversion site in an octahedral environment, defined by two carbonyl O atoms and four carboxyl O atoms from different 4-OPA- ligands. Adjacent Cu髤 atoms are bridged by the 4-OPA- ligands, forming a one-dimensional double chain structure. The closest Cu...Cu distance is 0.850 6(3) nm. The results of TG and fluorescent analysis show that the title coordination polymer is stable under 262.8 ℃ and has two emission peaks at 422 and 484 nm. CCDC: 287038.展开更多
文摘A novel coordination polymer [Cu(3-cpoa)(phen)(H2O)]n (3-cpoa2-=3-carboxyl phenoxyacetate, phen=1,10-phenanthroline) was synthesized and characterized by e lemental analysis, IR spectra and single crystal X-ray diffraction. Crystallogra phic facts are as follows: monoclinic crystal system, space group P21/n, a=0.688 96(14) nm, b=1.652 3(3) nm, c=1.651 1(3) nm, 穋m-3, F(000)=932, -ligands, two nitrogen atoms of 1,10-phen ligand and one coordinated water molecule. The copper atoms are bridged by 3-cp oa2-ligand, forming a one-dimensional chain along c axis. The distance of adjac ent Cu...Cu is 0.916 6(4) nm. A three-dimensional network structure is construct ed by the intermolecular hydrogen bond and stacking interactions. CCDC: 21972 4.
基金supported by the National Basic Research Program of China(2007CB815305)the National Natural Science Foundation of China(21031002,51073079 & 20801029)the Natural Science Foundation of Tianjin,China(10JCZDJC22100)
文摘Three new CuⅡ coordination polymers,[Cu2(oba)2(H2O)(DMF)].3H2O(1),[Cu4(oba)4(DMF)4].4H2O.DMF(2) and [Cu2(oba)(hmp)2](3)(H2oba = 4,4'-oxybis(benzoic acid),Hhmp = 2-pyridine methanol,DMF = N,N'-dimethylformamide) were synthesized by solvothermal reactions and characterized by single-crystal X-ray diffraction.Both complexes 1 and 2 take three-dimensional(3D) three-fold interpenetrating PtS topology with 1D channels.In complex 3,Cu4 clusters were formed by the chelating hmp ligands,and then the clusters were further linked by oba ligands to form a 3D three-fold interpenetrating dia topology network.For 2,N2 sorption shows type I isotherm with BET surface areas of 562 m2 g-1 and Langmuir surface area of 747 m2 g-1,respectively.At 77 and 87 K,the hydrogen uptakes of complex 2 are 0.89 wt% and 0.57 wt%,respectively.Magnetic investigation showed the ferromagnetic coupling between CuII ions and very weak antiferromagnetic interaction between Cu4 clusters in complex 3.
文摘A novel coordination polymer of [Cu(4-OPA)2]n (4-OPA-=4-oxo-1(4H)-pyridineacetate anion) was synthesized and characterized by elemental analysis, IR, TG, fluorescence and X-ray single crystal diffraction. The title complex crystallizes in triclinic with space group P1, a=0.713 17(14) nm, b=0.739 81(15) nm, c=0.753 02(15) nm, α=91.46(3)°, β=109.14(3)°, γ=111.31(3)°. V=0.344 92(17) nm3, Z=1, R=0.028 6, wR=0.080 3. The Cu atom occupies an inversion site in an octahedral environment, defined by two carbonyl O atoms and four carboxyl O atoms from different 4-OPA- ligands. Adjacent Cu髤 atoms are bridged by the 4-OPA- ligands, forming a one-dimensional double chain structure. The closest Cu...Cu distance is 0.850 6(3) nm. The results of TG and fluorescent analysis show that the title coordination polymer is stable under 262.8 ℃ and has two emission peaks at 422 and 484 nm. CCDC: 287038.
基金the Natural Science Foundation of China(21003020)the National Science Foundation for Fostering Talents in Basic Research of the National Natural Science Foundation of China(J1103303)+1 种基金the Natural Science Fund of Fujian Province(2013J01041)the Foundation of State Key Laboratory of Structural Chemistry(20130012)