Three new coordination polymers {[Ag2（2,4-DCPA）（4,4＂-bipy）2（NO3）].（H20）}, （1）, [Ag（2,4-DCPA）（bpp）], （2） and {[Ag（4-DCPA）（bpp）]＇（H20）}, （3）, were synthesized by evaporation methods using 2,4-d...Three new coordination polymers {[Ag2（2,4-DCPA）（4,4＂-bipy）2（NO3）].（H20）}, （1）, [Ag（2,4-DCPA）（bpp）], （2） and {[Ag（4-DCPA）（bpp）]＇（H20）}, （3）, were synthesized by evaporation methods using 2,4-dichlorophenylacetic acid （2,4-DCPA）, 4-chlorophenylacetic acid （4-DCPA）, 4,4＂-dipyridyl （4,4＂-bipy）, 1,3-bis（4-pyridyl）propane（bpp） and AgNO3. Compound 1 crystallizes in monoclinic, space group P21/c with a = 10.035（2）, b = 17.796（3）, c = 16.448（2） A, fl = 104.086（2）°, V= 2705.9（2） A3, Dc = 1.893 g/cm-3, C28H23C12NsO6Ag2, Mr = 812.15, F（000） = 1608,μ（MoKot） = 1.615 mm-1, Z = 4, R = 0.0310, wR = 0.0832 for 4357 observed reflections （I 〉 20（/））, and R = 0.0362, wR = 0.0873 for all data. Compound 2 crystallizes in monoclinic, space group P21/c with a = 9.840（2）, b = 24.971（5）, c = 9.3301（2）°, fl = 117.504（2）°, V= 2033.5（7） A3, Dc = 1.666 g/cm3, C2tH19C12N202Ag, Mr = 510.15, F（000） = 1024,/I（MoKa） = 1.273 mml, Z= 4, R = 0.0315 and wR = 0.0680 for 2853 observed reflections （1 〉 20（/）） and R = 0.0454, wR = 0.0736 for all data. Compound 3 crystallizes in monoclinic, space group P21/n with a = 15.472（4）, b = 9.000（2）, c = 16.262（4） A, fl = 112.049（4）°, V = 2099.0（8） A3, Dc = 1.562 g/cm-3, C2H22C1N203Ag, Mr = 493.73, F（000） = 1000, μ（MoKa） = 1.111 mm-1, Z = 4, R = 0.0296, wR = 0.0821 for 3059 observed reflections （I 〉 2δ-（I））, and R = 0.0398, wR = 0.0986 for all data. The complexes were characterized by elemental analysis, FT-IR, thermogravimetrie analysis （TGA） and X-ray single-crystal structure analysis. Fluorescence properties of complex 3 and PXRD of 1 and 2 have been studied. As a result, in complex 1, the Ag（I） ion is surrounded by two nitrogen atoms from two bipy ligands to form an infinite chain, and adjacent Ag-bipy chains produce ＂＇rungs＂ of a ladder by silver ions contact. And in complexes 2 and 3, the two-dimensiona展开更多
1-Picolyl-3-propylbenzimidazolium bromide （LBr） was prepared from benzimida- zole by alkylation with 2-chloromethyl-pyridine in the presence of NaH, followed by quaternization with 1-bromopropane. Ligand LBr was tre...1-Picolyl-3-propylbenzimidazolium bromide （LBr） was prepared from benzimida- zole by alkylation with 2-chloromethyl-pyridine in the presence of NaH, followed by quaternization with 1-bromopropane. Ligand LBr was treated with AgBr in CH2Cl2 to afford a dinuclear silver（I） complex L2Ag2Br4 （1）. In complex 1, a 2-D supramolecular layer is formed through two types of π-π stacking interactions. Fluorescent emission spectra of ligand LBr and complex 1 are described.展开更多
A new supermolecule coordination compound of perchlorate di(4- amino- 1,2,4- tri azole- 5- one)silver(I) was synthesized. It was characterized by element analysis, FT- IR, X- ray crystallogram and single crystal diffr...A new supermolecule coordination compound of perchlorate di(4- amino- 1,2,4- tri azole- 5- one)silver(I) was synthesized. It was characterized by element analysis, FT- IR, X- ray crystallogram and single crystal diffraction. The titled complex was also studied by means of TG- DTG and DSC under conditions of linear temperature increase. The thermal decomposition remainders were determined by infrared spectroscopic analysis. Thermal decomposition mechanism of the title coordination compound was suggested.展开更多
基金supported by the Guangdong Science and Technology Department(No.S2012020011054 and 2011B090400415)the Zhanjiang Municipality(No.2011C3108001)projects
文摘Three new coordination polymers {[Ag2（2,4-DCPA）（4,4＂-bipy）2（NO3）].（H20）}, （1）, [Ag（2,4-DCPA）（bpp）], （2） and {[Ag（4-DCPA）（bpp）]＇（H20）}, （3）, were synthesized by evaporation methods using 2,4-dichlorophenylacetic acid （2,4-DCPA）, 4-chlorophenylacetic acid （4-DCPA）, 4,4＂-dipyridyl （4,4＂-bipy）, 1,3-bis（4-pyridyl）propane（bpp） and AgNO3. Compound 1 crystallizes in monoclinic, space group P21/c with a = 10.035（2）, b = 17.796（3）, c = 16.448（2） A, fl = 104.086（2）°, V= 2705.9（2） A3, Dc = 1.893 g/cm-3, C28H23C12NsO6Ag2, Mr = 812.15, F（000） = 1608,μ（MoKot） = 1.615 mm-1, Z = 4, R = 0.0310, wR = 0.0832 for 4357 observed reflections （I 〉 20（/））, and R = 0.0362, wR = 0.0873 for all data. Compound 2 crystallizes in monoclinic, space group P21/c with a = 9.840（2）, b = 24.971（5）, c = 9.3301（2）°, fl = 117.504（2）°, V= 2033.5（7） A3, Dc = 1.666 g/cm3, C2tH19C12N202Ag, Mr = 510.15, F（000） = 1024,/I（MoKa） = 1.273 mml, Z= 4, R = 0.0315 and wR = 0.0680 for 2853 observed reflections （1 〉 20（/）） and R = 0.0454, wR = 0.0736 for all data. Compound 3 crystallizes in monoclinic, space group P21/n with a = 15.472（4）, b = 9.000（2）, c = 16.262（4） A, fl = 112.049（4）°, V = 2099.0（8） A3, Dc = 1.562 g/cm-3, C2H22C1N203Ag, Mr = 493.73, F（000） = 1000, μ（MoKa） = 1.111 mm-1, Z = 4, R = 0.0296, wR = 0.0821 for 3059 observed reflections （I 〉 2δ-（I））, and R = 0.0398, wR = 0.0986 for all data. The complexes were characterized by elemental analysis, FT-IR, thermogravimetrie analysis （TGA） and X-ray single-crystal structure analysis. Fluorescence properties of complex 3 and PXRD of 1 and 2 have been studied. As a result, in complex 1, the Ag（I） ion is surrounded by two nitrogen atoms from two bipy ligands to form an infinite chain, and adjacent Ag-bipy chains produce ＂＇rungs＂ of a ladder by silver ions contact. And in complexes 2 and 3, the two-dimensiona
基金supported by the National Natural Science Foundation of China (No. 20872111)the Natural Science Foundation of Tianjin (No.11JCZDJC22000)
文摘1-Picolyl-3-propylbenzimidazolium bromide （LBr） was prepared from benzimida- zole by alkylation with 2-chloromethyl-pyridine in the presence of NaH, followed by quaternization with 1-bromopropane. Ligand LBr was treated with AgBr in CH2Cl2 to afford a dinuclear silver（I） complex L2Ag2Br4 （1）. In complex 1, a 2-D supramolecular layer is formed through two types of π-π stacking interactions. Fluorescent emission spectra of ligand LBr and complex 1 are described.
文摘A new supermolecule coordination compound of perchlorate di(4- amino- 1,2,4- tri azole- 5- one)silver(I) was synthesized. It was characterized by element analysis, FT- IR, X- ray crystallogram and single crystal diffraction. The titled complex was also studied by means of TG- DTG and DSC under conditions of linear temperature increase. The thermal decomposition remainders were determined by infrared spectroscopic analysis. Thermal decomposition mechanism of the title coordination compound was suggested.
