Two new metal-organic complexes,{[Co2(bptc)(DPPZ)2(H2O)2]·H2O}n 1 and {[Co2(ccm)2(DPPZ)2]·2H2O}n 2,were obtained by the hydrothermal reactions of Co(NO3)2·6H2O with chelating ligand dipyrido...Two new metal-organic complexes,{[Co2(bptc)(DPPZ)2(H2O)2]·H2O}n 1 and {[Co2(ccm)2(DPPZ)2]·2H2O}n 2,were obtained by the hydrothermal reactions of Co(NO3)2·6H2O with chelating ligand dipyrido[3,2-a:2',3'-c]phenazine(DPPZ) and the corresponding carboxylic acid,namely,3,3',4,4'-benzophenonetetracarboxylic acid(H4bptc) or 2-carboxycinnamic acid(H2ccm),respectively.The complexes were structurally characterized by single-crystal X-ray diffraction,elemental analyses,IR spectra,and thermal gravimetry.1 presents unique chiral chain structures,which are further consolidated into three-dimensional supramolecular frameworks via noncovalent bonds,such as hydrogen bonding and π-π interactions.2 features infinite double-chain structures,which are connected by strong π-π interactions to result in three-dimensional supramolecular architectures.展开更多
A binuclear zinc(Ⅱ) complex with 2-carboxycinnamic acid (2-ccm) and dipyrido- [3,2-a:2',3'-c]phenazine (DPPZ), {[Zn2(2-ccm)2(DPPZ)2]·2H2O}n, was synthesized and characterized by elemental analysis, ...A binuclear zinc(Ⅱ) complex with 2-carboxycinnamic acid (2-ccm) and dipyrido- [3,2-a:2',3'-c]phenazine (DPPZ), {[Zn2(2-ccm)2(DPPZ)2]·2H2O}n, was synthesized and characterized by elemental analysis, IR, single-crystal X-ray diffraction, thermal gravimetry and fluo- rescent emission. It crystallizes in monoclinic, space group P21/c with a = 13.409(4), b = 25.530(7), c = 13.952(4) A, β = 99.554(3)°, V= 4710(2) A3, Z= 4, C56H36N8O10Zn2, Mr= 1111.67, Dc = 1.568 g/cm3, μ(MoKα) = 1.093 mm^-1, F(000) = 2272, R = 0.0422 and wR = 0.0895. In the crystal, the basic unit of 1 is a binuclear Zn2 entity which is linked by 2-ccm ligand to form a 1D double chain along the a axis. The O-H...O hydrogen bonding and π-π interactions lead to a 3D supramolecular motif. In addition, thermal and luminescent properties of complex 1 have also been investigated.展开更多
ABSTRAC Two new complexes [Cd(2,4'-bpdc)(DPPZ)]2n·n H2O(1) and [Zn(2,4'-Hbpdc)2(DPPZ)]· H2O(DPPZ = dipyrido[3,2-a:2',3'-c]phenazine, 2,4'-H2bpdc = 2,4'-biphenyldicarboxylic acid) have been...ABSTRAC Two new complexes [Cd(2,4'-bpdc)(DPPZ)]2n·n H2O(1) and [Zn(2,4'-Hbpdc)2(DPPZ)]· H2O(DPPZ = dipyrido[3,2-a:2',3'-c]phenazine, 2,4'-H2bpdc = 2,4'-biphenyldicarboxylic acid) have been hydrothermally synthesized. The structure of complex 1 was determined by single-crystal X-ray diffraction diffraction and further characterized by elemental analysis, IR spectrum, powder X-ray diffraction(XRD) and single-crystal X-ray diffraction. Complex 1 has 1D chains, which are further connected by π-π stacking interactions of neighbouring chains, generating a steady 3D supramolecular structure. Complex 2 shows the isolated mononuclear units, which are further extended to a 2D supramolecular layered structure through π-π stacking interactions and hydrogen bonds. Furthermore, complexes 1 and 2 exhibit green photoluminescent properties at room temperature.展开更多
A new hexanuclear copper(Ⅱ) complex,[Cu 6 (DPPZ) 4 (btc) 4 (H 2 O) 8 ]·5H 2 O (1,DPPZ=dipyrido[3,2-a:2,3-c]phenazine,H 3 btc=1,3,5-benzenetricarboxylic acid),has been hydrothermally synthesized and st...A new hexanuclear copper(Ⅱ) complex,[Cu 6 (DPPZ) 4 (btc) 4 (H 2 O) 8 ]·5H 2 O (1,DPPZ=dipyrido[3,2-a:2,3-c]phenazine,H 3 btc=1,3,5-benzenetricarboxylic acid),has been hydrothermally synthesized and structurally characterized by X-ray single-crystal diffraction,elemental analyses,IR,and thermogravimetric analysis.Its crystal structure is of triclinic system,space group P1 with a=12.489(4),b=14.234(5),c=14.484(5),α=82.848(4),β=79.399(4),γ=73.646(4)°,V=2421.2(13) 3,Z=1,Cu 6 C 108 H 78 N 16 O 37,M r=2573.17,D c=1.752 g/cm 3,μ=1.398 mm-1,F(000)=1308,GOOF=1.011,the final R=0.0495 and wR=0.1030 for 5420 observed reflections with I 2σ(Ⅰ).In 1,four btc 3ligands act as bridges between six neighboring Cu atoms to form an unusual hexanuclear copper cluster.The clusters are further connected by two types of O-H···O and O-H···N hydrogen bonds,generating a three-dimensional supramolecular structure.In addition,intermolecular and intramolecular π-π stacking interactions further consolidate the three-dimensional supramolecular framework of 1.展开更多
A new two-dimensional Pb(Ⅱ) coordination polymer, [Pb2(L)(tpphz)1.5(NO3)2]·H2O(1), has been obtained by the hydrothermal reaction of tetrapyrido[3,2-a:2′,3′-c:3′′,2′′-h:2′′′,3′′′-j]-phen...A new two-dimensional Pb(Ⅱ) coordination polymer, [Pb2(L)(tpphz)1.5(NO3)2]·H2O(1), has been obtained by the hydrothermal reaction of tetrapyrido[3,2-a:2′,3′-c:3′′,2′′-h:2′′′,3′′′-j]-phenazine(tpphz) and 2,2′-bipyridyl-3,3′-dicarboxylic acid(H2L). It crystallizes in monoclinic, space group P21/c with a = 15.344(3), b = 14.111(3), c = 21.963(4) ?, β = 106.89(3)o, V = 4550.1(16) ?3, Z = 4, C48H26N13O11Pb2, Mr = 1375.20, Dc = 2.007 g/cm^3, F(000) = 2628, μ(Mo Ka) = 7.471 mm-1, R = 0.0339 and w R = 0.0808. In 1, the two crystallographically independent tpphz ligands adopt the same bis-chelating coordination mode, but they play different roles in the structure of 1. One type of tpphz ligands bridge the Pb(Ⅱ) cations to generate a zigzig chain, where the L anions are located on one side of the chain. Further, adjacent chains are linked by the other type of tpphz ligands into a two-dimensional layer structure. Additionally, the solid state luminescent property of 1 was also studied at room temperature.展开更多
In this work,a new two-dimensional Cd(Ⅱ) coordination polymer,[Cd3(L)2(cis-1,4-chdc)2(trans-1,4-chdc)](1,L = 11-fluoro-dipyrido[3,2-a:2’,3‘-c]phenazine and 1,4-H2 chdc = 1,4-cyclohexanedicarboxylatic acid...In this work,a new two-dimensional Cd(Ⅱ) coordination polymer,[Cd3(L)2(cis-1,4-chdc)2(trans-1,4-chdc)](1,L = 11-fluoro-dipyrido[3,2-a:2’,3‘-c]phenazine and 1,4-H2 chdc = 1,4-cyclohexanedicarboxylatic acid),has been prepared under hydrothermal conditions.It crystallizes in triclinic,space group P1 with a = 8.6951(8),b = 10.8362(9),c = 14.9445(13) A,α = 76.443(2),β = 81.8670(10),γ = 82.0640(10)°,V = 1347.0(2) A^3,Z = 1,C60H48Cd3F2N8O12,Mr = 1448.26,Dc = 1.785 g/cm^3,F(000) = 722,μ(Mo Ka) = 1.255 mm^-1,R = 0.0333 and w R = 0.0790.The 1,4-chdc^2-carboxylates bridge the Cd(Ⅱ) cations to form a tri-nuclear Cd(Ⅱ) cluster,which are held together by the cis-1,4-chdc^2-ligands to generate a double-stranded chain.Further,the trans-1,4-chdc^2-ligands bridge adjacent double-stranded chains to yield an interesting two-dimensional network.The π-π interactions among L ligands of neighboring networks result in an interesting three-dimensional supramolecular architecture.In addition,the thermal behavior and luminescent property of 1 have been studied.展开更多
A new porous Cd(Ⅱ) coordination compound, namely, [Cd(bpdc)(L)2]·3H2O(1, L = 11-fluoro-dipyrido[3,2-a:2,3-c]phenazine and bpdc = 1,1-biphenyl-2,2-dicarboxylate) was synthesized under hydrothermal condit...A new porous Cd(Ⅱ) coordination compound, namely, [Cd(bpdc)(L)2]·3H2O(1, L = 11-fluoro-dipyrido[3,2-a:2,3-c]phenazine and bpdc = 1,1-biphenyl-2,2-dicarboxylate) was synthesized under hydrothermal conditions, and characterized by single-crystal X-ray diffraction. It crystallizes in tetragonal, space group P4122 with a = 9.8486(4), b = 9.8486(4), c = 45.925(4)A, V = 4454.5(5) 3, Z = 4, C50H29 Cd F2N8O7, Mr = 1004.21, Dc = 1.497 g/cm^3, F(000) = 2028, μ(Mo Ka) = 0.562 mm^-1, R = 0.0566 and w R = 0.1585. Each Cd(Ⅱ) atom is coordinated by one bpdc anion and two L ligands to give a discrete molecule. Neighboring discrete molecules are stacked by π-π interactions among L ligands, resulting in an interesting 1D supramolecular chain. Moreover, the 1D supramolecular chains are packed with each other to give a porous structure, in which an infinite channel is filled with water molecules. In addition, the thermal behavior and luminescent property of 1 have also been studied.展开更多
基金Supported by the National Natural Science Foundation of China (No. 60978059)Program for New Century Excellent Talents in University (NCET-10-0176)the Natural Science Foundation of Jilin Province (No. 20090527)
文摘Two new metal-organic complexes,{[Co2(bptc)(DPPZ)2(H2O)2]·H2O}n 1 and {[Co2(ccm)2(DPPZ)2]·2H2O}n 2,were obtained by the hydrothermal reactions of Co(NO3)2·6H2O with chelating ligand dipyrido[3,2-a:2',3'-c]phenazine(DPPZ) and the corresponding carboxylic acid,namely,3,3',4,4'-benzophenonetetracarboxylic acid(H4bptc) or 2-carboxycinnamic acid(H2ccm),respectively.The complexes were structurally characterized by single-crystal X-ray diffraction,elemental analyses,IR spectra,and thermal gravimetry.1 presents unique chiral chain structures,which are further consolidated into three-dimensional supramolecular frameworks via noncovalent bonds,such as hydrogen bonding and π-π interactions.2 features infinite double-chain structures,which are connected by strong π-π interactions to result in three-dimensional supramolecular architectures.
基金Supported by the Doctoral Foundation of Jilin Normal University (Nos.2006006 and 2007009)Graduate Students' Innovation Foundation of Jilin Normal University (No.2006066)
文摘A binuclear zinc(Ⅱ) complex with 2-carboxycinnamic acid (2-ccm) and dipyrido- [3,2-a:2',3'-c]phenazine (DPPZ), {[Zn2(2-ccm)2(DPPZ)2]·2H2O}n, was synthesized and characterized by elemental analysis, IR, single-crystal X-ray diffraction, thermal gravimetry and fluo- rescent emission. It crystallizes in monoclinic, space group P21/c with a = 13.409(4), b = 25.530(7), c = 13.952(4) A, β = 99.554(3)°, V= 4710(2) A3, Z= 4, C56H36N8O10Zn2, Mr= 1111.67, Dc = 1.568 g/cm3, μ(MoKα) = 1.093 mm^-1, F(000) = 2272, R = 0.0422 and wR = 0.0895. In the crystal, the basic unit of 1 is a binuclear Zn2 entity which is linked by 2-ccm ligand to form a 1D double chain along the a axis. The O-H...O hydrogen bonding and π-π interactions lead to a 3D supramolecular motif. In addition, thermal and luminescent properties of complex 1 have also been investigated.
基金Supported by the Program for NNSFC(21407064,21576112)NSF of Jilin Province(20130521019JH)the Science and Technology Development Plan of Siping City(2014052,2015049)
文摘ABSTRAC Two new complexes [Cd(2,4'-bpdc)(DPPZ)]2n·n H2O(1) and [Zn(2,4'-Hbpdc)2(DPPZ)]· H2O(DPPZ = dipyrido[3,2-a:2',3'-c]phenazine, 2,4'-H2bpdc = 2,4'-biphenyldicarboxylic acid) have been hydrothermally synthesized. The structure of complex 1 was determined by single-crystal X-ray diffraction diffraction and further characterized by elemental analysis, IR spectrum, powder X-ray diffraction(XRD) and single-crystal X-ray diffraction. Complex 1 has 1D chains, which are further connected by π-π stacking interactions of neighbouring chains, generating a steady 3D supramolecular structure. Complex 2 shows the isolated mononuclear units, which are further extended to a 2D supramolecular layered structure through π-π stacking interactions and hydrogen bonds. Furthermore, complexes 1 and 2 exhibit green photoluminescent properties at room temperature.
基金Supported by the National Natural Science Foundation of China (No. 60978059)the Key Project of Chinese Ministry of Education (No. 210053)the Natural Science Foundation of Jilin Province (No. 20090527)
文摘A new hexanuclear copper(Ⅱ) complex,[Cu 6 (DPPZ) 4 (btc) 4 (H 2 O) 8 ]·5H 2 O (1,DPPZ=dipyrido[3,2-a:2,3-c]phenazine,H 3 btc=1,3,5-benzenetricarboxylic acid),has been hydrothermally synthesized and structurally characterized by X-ray single-crystal diffraction,elemental analyses,IR,and thermogravimetric analysis.Its crystal structure is of triclinic system,space group P1 with a=12.489(4),b=14.234(5),c=14.484(5),α=82.848(4),β=79.399(4),γ=73.646(4)°,V=2421.2(13) 3,Z=1,Cu 6 C 108 H 78 N 16 O 37,M r=2573.17,D c=1.752 g/cm 3,μ=1.398 mm-1,F(000)=1308,GOOF=1.011,the final R=0.0495 and wR=0.1030 for 5420 observed reflections with I 2σ(Ⅰ).In 1,four btc 3ligands act as bridges between six neighboring Cu atoms to form an unusual hexanuclear copper cluster.The clusters are further connected by two types of O-H···O and O-H···N hydrogen bonds,generating a three-dimensional supramolecular structure.In addition,intermolecular and intramolecular π-π stacking interactions further consolidate the three-dimensional supramolecular framework of 1.
基金Supported by the Institute Foundation of Siping city(No.2013036)
文摘A new two-dimensional Pb(Ⅱ) coordination polymer, [Pb2(L)(tpphz)1.5(NO3)2]·H2O(1), has been obtained by the hydrothermal reaction of tetrapyrido[3,2-a:2′,3′-c:3′′,2′′-h:2′′′,3′′′-j]-phenazine(tpphz) and 2,2′-bipyridyl-3,3′-dicarboxylic acid(H2L). It crystallizes in monoclinic, space group P21/c with a = 15.344(3), b = 14.111(3), c = 21.963(4) ?, β = 106.89(3)o, V = 4550.1(16) ?3, Z = 4, C48H26N13O11Pb2, Mr = 1375.20, Dc = 2.007 g/cm^3, F(000) = 2628, μ(Mo Ka) = 7.471 mm-1, R = 0.0339 and w R = 0.0808. In 1, the two crystallographically independent tpphz ligands adopt the same bis-chelating coordination mode, but they play different roles in the structure of 1. One type of tpphz ligands bridge the Pb(Ⅱ) cations to generate a zigzig chain, where the L anions are located on one side of the chain. Further, adjacent chains are linked by the other type of tpphz ligands into a two-dimensional layer structure. Additionally, the solid state luminescent property of 1 was also studied at room temperature.
基金Supported by the Institute Foundation of Siping City(No.2013036)
文摘In this work,a new two-dimensional Cd(Ⅱ) coordination polymer,[Cd3(L)2(cis-1,4-chdc)2(trans-1,4-chdc)](1,L = 11-fluoro-dipyrido[3,2-a:2’,3‘-c]phenazine and 1,4-H2 chdc = 1,4-cyclohexanedicarboxylatic acid),has been prepared under hydrothermal conditions.It crystallizes in triclinic,space group P1 with a = 8.6951(8),b = 10.8362(9),c = 14.9445(13) A,α = 76.443(2),β = 81.8670(10),γ = 82.0640(10)°,V = 1347.0(2) A^3,Z = 1,C60H48Cd3F2N8O12,Mr = 1448.26,Dc = 1.785 g/cm^3,F(000) = 722,μ(Mo Ka) = 1.255 mm^-1,R = 0.0333 and w R = 0.0790.The 1,4-chdc^2-carboxylates bridge the Cd(Ⅱ) cations to form a tri-nuclear Cd(Ⅱ) cluster,which are held together by the cis-1,4-chdc^2-ligands to generate a double-stranded chain.Further,the trans-1,4-chdc^2-ligands bridge adjacent double-stranded chains to yield an interesting two-dimensional network.The π-π interactions among L ligands of neighboring networks result in an interesting three-dimensional supramolecular architecture.In addition,the thermal behavior and luminescent property of 1 have been studied.
基金Supported by the Science and Technology Research Projects of the Education Committee of Jilin Province(No.2013206)
文摘A new porous Cd(Ⅱ) coordination compound, namely, [Cd(bpdc)(L)2]·3H2O(1, L = 11-fluoro-dipyrido[3,2-a:2,3-c]phenazine and bpdc = 1,1-biphenyl-2,2-dicarboxylate) was synthesized under hydrothermal conditions, and characterized by single-crystal X-ray diffraction. It crystallizes in tetragonal, space group P4122 with a = 9.8486(4), b = 9.8486(4), c = 45.925(4)A, V = 4454.5(5) 3, Z = 4, C50H29 Cd F2N8O7, Mr = 1004.21, Dc = 1.497 g/cm^3, F(000) = 2028, μ(Mo Ka) = 0.562 mm^-1, R = 0.0566 and w R = 0.1585. Each Cd(Ⅱ) atom is coordinated by one bpdc anion and two L ligands to give a discrete molecule. Neighboring discrete molecules are stacked by π-π interactions among L ligands, resulting in an interesting 1D supramolecular chain. Moreover, the 1D supramolecular chains are packed with each other to give a porous structure, in which an infinite channel is filled with water molecules. In addition, the thermal behavior and luminescent property of 1 have also been studied.