A series of acridine-1,2,3-triazole derivatives were designed, synthesized and characterized by NMR. 1-(2-methylacridinyl)-4-(4-methyl phenyl)-1,2,3-triazole(4f), C_(23)H_(18)N_4, was structurally determined...A series of acridine-1,2,3-triazole derivatives were designed, synthesized and characterized by NMR. 1-(2-methylacridinyl)-4-(4-methyl phenyl)-1,2,3-triazole(4f), C_(23)H_(18)N_4, was structurally determined by single-crystal X-ray diffraction. It crystallizes in the triclinic system, space group P1 with a = 9.585(4), b = 9.684(4), c = 11.339(5) A, β = 88.250(7)o, V = 925.3(6), Z = 2, D_c = 1.258 g/cm^3, F(000) = 368, μ = 0.077 mm^(-1), the final R = 0.0808 and wR = 0.2218 for 3386 observed reflections(I 〉 2σ(I)). X-ray analysis indicates that the acridine ring is almost vertical to triazole ring with the dihedral angle nearly to be 75°. The crystal packing of the compound is stabilized mainly by π-π interaction. The preliminary biological tests display that some of the title compounds possess a good anti-tumour activity against MGC-803 and T24.展开更多
A metal-organic coordination polymer [ZnE.s(phen)(BDC)2(OH)]2 (phen = 1,10- phenanthroline, BDC = benzene-1,4-dicarboxylic acid) 1 has been hydrothermally synthesized and structurally characterized by single-c...A metal-organic coordination polymer [ZnE.s(phen)(BDC)2(OH)]2 (phen = 1,10- phenanthroline, BDC = benzene-1,4-dicarboxylic acid) 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses and IR spectroscopy. The complex crystallizes in the triclinic system, space group PI with a = 11.199(2), b = 11.593(2), c = 11.865(3)/A, α= 99.330(1), β = 111.506(1), γ = 104.804(1)^o, V= 1328.4(5)A^3, Dc= 1.722 g/cm^3, Z = 1, Mr = 1377.82, F(000) = 692,μ(MoKa) = 2.306 mm^-1, S = 1.093, R= 0.0281 and wR = 0.0756 for 4179 observed reflections (I 〉 2σ(/)). The coordination polyhedron around Zn(II) can be described as a tetrahedron, trigonal bipyramid and octahedron. It is worth noting that the crystal structure of 1 is composed of tetranuclear zinc clusters linked by {ZnO6} units.展开更多
A metal-organic coordination polymer {[Zn(Pht)(4,4'-bipy)(H2O)2]·2H2O}n (Pht = phthalate, 4,4'-bipy = 4,4'-bipyridine) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR,...A metal-organic coordination polymer {[Zn(Pht)(4,4'-bipy)(H2O)2]·2H2O}n (Pht = phthalate, 4,4'-bipy = 4,4'-bipyridine) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-ray diffraction. Yellow crystals crystallize in the monoclinic system, space group P2/n, a = 7.6346(14), b = 11.316(2), c = 10.8133(19) ,A, β = 92.A.A,A.(3)°, V = 933.3(3) A^3, C18H20N2O8Zn, Mr = 457.73, Dc = 1.629 g/cm^3, F(000) = 472, Z = 2,μ(MoKa) = 1.367 mm^-1, the final R = 0.0323 and wR = 0.0821 for 1859 observed reflections (Ⅰ〉 2σ(Ⅰ)). The structure of 1 exhibits a two-dimensional bilayer framework formed by hydrogen bonding interactions. Furthermore, 1 shows yellow photoluminescent property at room temperature.展开更多
A new metal-organic coordination polymer [Zn(ipt)(im)2]2n·3nH2O 1 has been obtained by using hydrothermal synthesis and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-...A new metal-organic coordination polymer [Zn(ipt)(im)2]2n·3nH2O 1 has been obtained by using hydrothermal synthesis and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group P2(1/n) with a = 10.653(3), b = 17.891(6), c = 10.743(4)A^°,β= 117.093(5)°, V= 1822.9(10) A^°3, Mr= 413.65, Dc = 1.507 g/cm^3,/t(MoKa) = 1.390 mm^-1, F(000) = 840, Z = 4, the final R = 0.0444 and wR = 0.1066 for 2434 observed reflections (I〉 2σ(I)). Furthermore, compound 1 shows blue photoluminescent property at room temperature.展开更多
One novel binuclear copper(Ⅱ) complex [Cu 2 (Hpt) 2 (CO 3) 2 (H 2 O) 2 ]·H 2 O with copper carbonate and 3-(pyridin-2-yl)-1,2,4-triazole (Hpt) was hydrothermally synthesized and characterized by IR a...One novel binuclear copper(Ⅱ) complex [Cu 2 (Hpt) 2 (CO 3) 2 (H 2 O) 2 ]·H 2 O with copper carbonate and 3-(pyridin-2-yl)-1,2,4-triazole (Hpt) was hydrothermally synthesized and characterized by IR and X-ray diffraction analysis.The complex crystallizes in triclinic,space group P2 1 /n with a=0.6862(1),b=0.7805(1),c=1.1983(2) nm,α=72.03(2),β=107.72(3),γ=75.28(2)o,V=0.5884 nm 3,D c=2.105 g/cm 3,Z=1,F(000)=357,GOOF=1.041,the final R=0.01859 and wR=0.04348.The whole molecule is composed of two cooper ions,two Hpt molecules,two carbonate and three water molecules,forming a binuclear structure.The crystal structure shows that the cooper ion is coordinated with three nitrogen atoms from two Hpt molecules,two oxygen atoms from one carbonic acid and one water molecule,forming a distorted square pyramidal geometry.The TG analysis result shows that the title complex is stable under 131.0 ℃.展开更多
A new 3d-4fheterometallic polymer {[Sm2Cu(PDC)2(SO4)2(H20)6]·2H2O}n 1 has been synthesized by Sm2O3, Cu(SO4)2·5H2O and pyridine-3,5-dicarboxylic acid under hydrothermal conditions. The compound cryst...A new 3d-4fheterometallic polymer {[Sm2Cu(PDC)2(SO4)2(H20)6]·2H2O}n 1 has been synthesized by Sm2O3, Cu(SO4)2·5H2O and pyridine-3,5-dicarboxylic acid under hydrothermal conditions. The compound crystallizes in triclinic system, space group Pi, with a = 6.352(7), b = 10.040(10), c = 10.315(11) A, α = 94.958(14), β = 95.556(7), γ = 99.747(14)°, V = 641.7(12)A3, Z = 1, M, = 1030.63, Dc= 2.651 Mg/m3,μ = 5.615 mm-1, F(000) = 491, the final R = 0.0491 and wR = 0.1345 for 2098 observed reflections with I 〉 2σ(I). The compound is a three-dimensional network structure in which infinite lanthanide-carboxylate chains are linked by [Cu($04)2]2- metalloligands to form a mixed-metal coordination network.展开更多
A new two-dimensional cobalt coordination polymer has been prepared and fully characterized by elemental analysis, IR, TG and single-crystal X-ray diffraction. The compound [Co(C2O4)(bix)]n 1 crystallizes in the m...A new two-dimensional cobalt coordination polymer has been prepared and fully characterized by elemental analysis, IR, TG and single-crystal X-ray diffraction. The compound [Co(C2O4)(bix)]n 1 crystallizes in the monoclinic system, space group C2/c, with a = 11.549(3), b = 15.700(3), c = 9.260(2) A, β = 102.984(3)°, V = 1636.0(6) A^3, C16HIaCON4O4, Mr= 383.23, Dc = 1.556 g/cm^3, μ(MoKa) = 1.078 mm^-1, F(000) = 780, Z = 4, the final R = 0.0455 and wR = 0.1286 for 1483 observed reflections (I 〉 2σ(I)). Of the compound, the Co center is octahedrally coordinated with oxalate acting as a tetra-dentate ligand coordinated to the cobalt atom and each bix serving as a bridging ligand by employing two N-donors to coordinate with the Co center. An infinite {Co2(C2O4)2}∞ chain is formed along the α axis. Furthermore, the 1D chains are held together via bix ligands to generate a two-dimensional network structure with 1D coronal-like channels (ca. 5.691A × 15.700A).展开更多
A metal-organic coordination polymer [Ni(PDB)(bix)(H20)]n (H2PDB = 3,4-pyri- dinedicarboxylic acid, bix = 1,4-bis(imidazol-l-ylmethyl)-benzene) 1 has been hydrothermally synthesized and characterized by elem...A metal-organic coordination polymer [Ni(PDB)(bix)(H20)]n (H2PDB = 3,4-pyri- dinedicarboxylic acid, bix = 1,4-bis(imidazol-l-ylmethyl)-benzene) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR, TG and single-crystal X-ray diffraction. Blue crystals crystallize in the triclinic system, space group PI with a = 9.1849(8), b = 9.2065(9), c = 12.9308(12) °, a = 103.3070(10), β = 104.7160(10), y = 90.5900(10)°, V = 1026.42(16)/k3, C21H19NsNiOs, Mr = 480.12, Dc = 1.553 g/cm3, F(000) = 496, Z = 2,/l(MoKa) = 0.991 mm-1, the final R = 0.0325 and wR = 0.0799 for 3561 observed reflections (I 〉 2σ(I)). The structure of 1 exhibits a two-dimensional network structure.展开更多
A novel metal-organic coordination polymer [Cu2(phen)(ipt)2]2n-nH2O 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction. The complex crystallizes in monoclinic,...A novel metal-organic coordination polymer [Cu2(phen)(ipt)2]2n-nH2O 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group P21/c with a = 12.338(3), b = 12.167(3), c = 18.167(4)A, β= 111.686(14)°, V = 2534.1(10)A^3, C28H18Cu2N2O9, Mr = 653.52, Dc = 1.713 g/cm^3,μ(MoKα) = 1.740 mm^-1, F(000) = 1320, Z = 4, the final R = 0.0443 and wR = 0.0853 for 3543 observed reflections (1 〉 2σ(I)). It exhibits a novel two-dimensional network with tetra-Cu-ipt-as building units.展开更多
A new supramolecular compound, { [2-(2-pyridyl)benzimidazoleH2]2+.[SBC15]2-}2, was synthesized by the hydrothermal reaction of o-diaminobenzene, 2-pyridinecarboxylie acid and SbCl3 in 1:1 HC1 solution, and charact...A new supramolecular compound, { [2-(2-pyridyl)benzimidazoleH2]2+.[SBC15]2-}2, was synthesized by the hydrothermal reaction of o-diaminobenzene, 2-pyridinecarboxylie acid and SbCl3 in 1:1 HC1 solution, and characterized by chemical analysis, elemental analysis, IR spectra, thermogravimetfic analysis and fluorescence spectra. The crystal structure was deter- mined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system, space group P211c, with a = 16.0397(13), b = 14.3189(12), c = 15.6370(13) A, β = 105.8980(10)°, V = 3454.0(5) A3, Z = 4, C24H22Cl10N6Sb2, Mr = 992.48, Dc = 1.909 g/cm3,/z = 2.366 mm-1, S = 1.010, F(000) = 1920, R = 0.0254 and wR = 0.0555. The coordination anion, [SbCl5]2- which is a distorted tetragonal pyramid, is composed by coordinating action with Sb3+ ion and five adjacent chloride ions. Every four coordination anions of [SbCl5]2- form a biquaternion ring structure through the secondary bonding of Sb...Cl. Moreover, the compound adopts a three-dimensional network supramolecular structure because of the hydrogen bonds and π-π stacking between the rings and the 2-(2-pyridyl)benzimidazole divalent cations. The title compound also shows good fluorescent behaviors.展开更多
A new metal-organic coordination polymer [Zn(hfipbb)(e-urea)]n(1,H2hfipbb = 4,4'-(hexafluoroisopropylidene)bis(benzoic acid),e-urea = ethylene urea) has been urothermally synthesized and characterized by el...A new metal-organic coordination polymer [Zn(hfipbb)(e-urea)]n(1,H2hfipbb = 4,4'-(hexafluoroisopropylidene)bis(benzoic acid),e-urea = ethylene urea) has been urothermally synthesized and characterized by elemental analysis and single-crystal X-ray diffraction.The title complex crystallizes in monoclinic,space group P21/c with a = 13.302(4),b = 10.981(3),c = 13.804(4) ,β = 93.587(5)°,V = 2012.3(10) 3,C20H14N2O5F6Zn,Mr = 541.72,Z = 4,Dc = 0.447 g/cm3, = 0.328 mm-1,F(000) = 272,R = 0.0340 and wR = 0.1107 for 4528 observed reflections(I 〉2σ(I)).In the structure of compound 1,two Zn(Ⅱ) ions are bridged by two carboxylate groups from two hfipbb ligands to form a dinuclear unit,and each dinuclear Zn(Ⅱ) unit is linked with its two adjacent dinuclear units through four hfipbb ligands into an infinite one-dimensional double-chain.The interesting structural feature of compound 1 is that the one-D double-chains are self-interconnected into a three-D supramolecular structure through hydrogen bonds between the coordinated e-urea molecules and carboxylate oxygen atoms(N1 and O2,N2 and O4).展开更多
A metal-organic coordination compound formulated as [Zn(pzdc)(phen)]n·nH2O 1 (H2pzdc = pyrazine-2,3-dicarboxylic acid, phen = 1,10-phenanthroline) has been hydrothermally synthesized and structurally charac...A metal-organic coordination compound formulated as [Zn(pzdc)(phen)]n·nH2O 1 (H2pzdc = pyrazine-2,3-dicarboxylic acid, phen = 1,10-phenanthroline) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence spectrum and single-crystal X-ray diffraction. The title compound crystallizes in the monoclinic system, space group P21/n with a = 11.607(2), b = 11.719(2), c = 13.140(3)A^°, β = 110.707(3)°, V= 1671.9(6)A^°3, C18H12ZnN4O5, Mr= 429.69, De = 1.707 g/cm^3,μ(MoKa) = 1.511 mm^-1, F(000) = 872, Z = 4, the final R = 0.0356 and wR = 0.0853 for 2713 observed reflections (I 〉 2σ(I)). It exhibits an interesting two-dimensional layer structure and shows yellow photoluminescent property at room temperature.展开更多
A metal-organic coordination polymer [Cd(bpy)(BDC)]n·nbpy (bpy = 2,2-bipyri-dine, H2BDC = terephthalic acid) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR spec...A metal-organic coordination polymer [Cd(bpy)(BDC)]n·nbpy (bpy = 2,2-bipyri-dine, H2BDC = terephthalic acid) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR spectrum, TG and single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group C2/c with a = 15.723(5), b = 21.695(5), c = 7.576(5) A, β = 116.171(7)°, V = 2319.3(18)A^3, C28H20CdN4O4, Mr = 588.88, Dc = 1.686 g/cm^3, μ(MoKα) = 0.987 mm^-1, F(000) = 1184, Z = 4, the final R = 0.0464 and wR = 0.0831 for 1882 observed reflections (Ⅰ〉 2σ(Ⅰ)). It exhibits a three-dimensional network with channels constructed from one-dimensional coordination chains via C–H…O hydrogen bonds and significant aromatic π-π stacking interactions.展开更多
A new metal-organic complex [Pb2(PDB)2(phen)]n·nH2O (H2PDB=pyridine-3,4-dicarboxylic acid,phen=1,10-phenanthroline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis...A new metal-organic complex [Pb2(PDB)2(phen)]n·nH2O (H2PDB=pyridine-3,4-dicarboxylic acid,phen=1,10-phenanthroline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.The compound crystallizes in triclinic,space group P1 with a=7.2472(5),b=10.6966(8),c=16.2376(12),α=98.2960(10),β=91.6430(10),γ=97.4810(10)o,V=1233.53(16)3,C26H16O9N4Pb2,Mr=942.81,Dc=2.538 g/cm3,μ(MoKα)=13.697 mm-1,F(000)=872,Z=2,the final R=0.0247 and wR=0.0654 for 3886 observed reflections (I 〉 2σ(I)).In the crystal structure,the Pb(1) atom is six-coordinated with four carboxylate oxygen atoms from three different PDB ligands and two nitrogen atoms from phen ligand,showing a distorted octahedral geometry;the Pb(2) atom is four-coordinated with four carboxylate oxygen atoms from four different PDB ligands,showing a distorted tetrahedral geometry.It exhibits a three-dimensional supramolecular network structure formed by hydrogen bonds and π-π interactions.展开更多
A new complex [Cd(H2biim)2(H2O)2]·(ino)2·4H2O (H2biim = 2,2'-biimidazole, ino = isonicotinate-N-oxide) has been prepared and characterized by single-crystal X-ray diffraction analysis, IR and fluore...A new complex [Cd(H2biim)2(H2O)2]·(ino)2·4H2O (H2biim = 2,2'-biimidazole, ino = isonicotinate-N-oxide) has been prepared and characterized by single-crystal X-ray diffraction analysis, IR and fluorescence spectra analysis. The crystal is of triclinic system, space group P1 with a = 7.5380(6), b = 8.0402(7), c = 13.5094(11) , α = 104.269(1), β = 93.604(1), γ = 98.349(1)°, V = 780.93(11) 3, Mr = 765.00, Dc = 1.627 g/cm3, F(000) = 390, μ = 0.776 mm-1 and Z = 1. The final R = 0.0322 and wR = 0.0825 for 7038 observed reflections with I 2σ(I) and R = 0.0341 and wR = 0.0832 for all data. The title complex exhibits an infinite chain-like structure through bridging isonicotinate-N-oxide. Strong interchain hydrogen bonds between isonicotinate-N-oxide and H2biim result in the robust 3-D supramolecular architecture. Moreover, the complex shows strong photoluminescence with emission maximum at λ = 401 nm upon λex = 330 nm.展开更多
A metal-organic coordination polymer [Cd2(PDC)2(bix)(H2O)2]n·nH2O (H2PDC = 2,4-pyridinedicarboxylic acid, bix = 1,4-bis(imidazol-l-ylmethyl)-benzene) 1 has been hydrother- mally synthesized and characte...A metal-organic coordination polymer [Cd2(PDC)2(bix)(H2O)2]n·nH2O (H2PDC = 2,4-pyridinedicarboxylic acid, bix = 1,4-bis(imidazol-l-ylmethyl)-benzene) 1 has been hydrother- mally synthesized and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-ray diffraction. Brown crystals crystallize in the orthorhombic system, space group P212121 with a = 11.741(3), b = 14.190(4), c = 18.963(5) A, V= 3159.4(14) A3, C28H26Cd2N6O11, Mr= 847.35, Dc = 1.781 g/cm3, F(000) = 1680, Z = 4,μ(MoKa) = 1.415 mm-1, the final R = 0.0381 and wR = 0.0882 for 5472 observed reflections (1 〉 2σ(I)). The structure of 1 exhibits a threedimensional network structure.展开更多
A dinuclear complex Cd2(dnba)4(pyridine)4 (dnba = 3,5-dinitrobenzoate) has been synthesized by hydrothermal method and characterized by X-ray single-crystal diffraction, elemental analysis, FT-IR spectroscopy, D...A dinuclear complex Cd2(dnba)4(pyridine)4 (dnba = 3,5-dinitrobenzoate) has been synthesized by hydrothermal method and characterized by X-ray single-crystal diffraction, elemental analysis, FT-IR spectroscopy, DSC and TG-DTG techniques. The complex with empirical formula C48H32Cd2NI2024 (Mr = 692.83) crystallizes in monoclinic, space group P21/n with a - 12.0344(14), b = 10.5752(13), c = 21.578(3) A, β = 104.150(2)°, V = 2662.8(6) A^3, Z = 2, D, = 1.728 g/cm^3,μ(MoKa) = 0.897 mm^-1, F(000) = 1384, S = 1.016 and (△/σ)max = 0.001. R = 0.0638 and wR = 0.0737 for all data; the final R = 0.0337 and wR = 0.0644. In this complex, four carboxylates are bidentate-or chelate-coordinated with the Cd(Ⅱ) centers to give the dinuclear structure. The other coordination positions of Cd(Ⅱ) are occupied by the lone pair electrons from N of four pyridines. Thermal analyses DSC and TG-DTG have been used to determine the thermal decomposition mechanism of the title complex.展开更多
An inorganic-organic hybrid thioantimonate(Ⅲ) [CH3(CH2)3NH3]2Sb4S7 1 with layered structure was synthesized by solvothermal method. 1 crystallizes in the triclinic system, space group P1 with a = 7.0124(11), b ...An inorganic-organic hybrid thioantimonate(Ⅲ) [CH3(CH2)3NH3]2Sb4S7 1 with layered structure was synthesized by solvothermal method. 1 crystallizes in the triclinic system, space group P1 with a = 7.0124(11), b = 11.919(2), c =14.879(3)A, α = 108.791(3), β= 102.441(3), γ = 92.846(2)°, V= 1140.1(3)A3, Mr = 859.71, Z= 2, Do = 2.504 g/cm^3 ,μ = 5.324 mm^-1, F(000) = 804, S = 1.013, the Final R = 0.0297 and wR = 0.0618 for 3534 observed reflections with Ⅰ 〉 2 σ(Ⅰ). 1 consists of [C4HgNH3]+ cations and two-dimensional [Sb4ST]n^2n- anion which is composed of three SbS3 trigonal pyranaids and one SbS4 unit joined by sharing common comers. The anionic layers are stacked perpendicularly to the c axis of the unit cell forming two-dimensional channels between the layers. The [C4H9NH3]^+ cations interdigitate in a bilayer and reside in the 2D channels leading to a sandwich-like arrangement of the anion and cations.展开更多
A new dinuclear complex [Zn(dpa)(bipy)(H2O)]2 (dpa = 2,2'-diphenic acid, bipy = 2,2'-bipyridine) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence s...A new dinuclear complex [Zn(dpa)(bipy)(H2O)]2 (dpa = 2,2'-diphenic acid, bipy = 2,2'-bipyridine) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence spectrum and single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group P21/c with a = 10.960(2), b = 9.4841(18), c = 20.599(4), β = 104.452(3)o, V = 2073.4(7)3, C48H36N4O10Zn2, Mr = 959.55, Dc = 1.537 g/cm3, μ(MoKα) = 1.225 mm-1, F(000) = 984, Z = 2, the final R = 0.0364 and wR = 0.0843 for 2788 observed reflections (I 〉 2σ(I)). In the crystal structure, the zinc atom is five-coordinated with two carboxylate oxygen atoms from different dpas, one coordinated water molecule and two nitrogen atoms from bipy ligands, showing a slightly distorted triangular bipyramidal geometry. Furthermore, it exhibits a zero-dimensional network structure with a sixteen-membered ring and shows yellow photoluminescent property at room temperature.展开更多
基金Supported by the National Natural Science Foundation of China(No.51263002)Natural Science Foundation of Guangxi Province(No.2014GXNSFBA118182)+3 种基金the Scientific Research Fund of Guangxi Provincial Education Department(No.YB2014181)the Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources(Guangxi Normal University)Ministry of Education of China(CMEMR2015-B04)the Scientific Research Fund of Guangxi University of Chinese Medicine(No.QN14017,2015MS003)
文摘A series of acridine-1,2,3-triazole derivatives were designed, synthesized and characterized by NMR. 1-(2-methylacridinyl)-4-(4-methyl phenyl)-1,2,3-triazole(4f), C_(23)H_(18)N_4, was structurally determined by single-crystal X-ray diffraction. It crystallizes in the triclinic system, space group P1 with a = 9.585(4), b = 9.684(4), c = 11.339(5) A, β = 88.250(7)o, V = 925.3(6), Z = 2, D_c = 1.258 g/cm^3, F(000) = 368, μ = 0.077 mm^(-1), the final R = 0.0808 and wR = 0.2218 for 3386 observed reflections(I 〉 2σ(I)). X-ray analysis indicates that the acridine ring is almost vertical to triazole ring with the dihedral angle nearly to be 75°. The crystal packing of the compound is stabilized mainly by π-π interaction. The preliminary biological tests display that some of the title compounds possess a good anti-tumour activity against MGC-803 and T24.
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A metal-organic coordination polymer [ZnE.s(phen)(BDC)2(OH)]2 (phen = 1,10- phenanthroline, BDC = benzene-1,4-dicarboxylic acid) 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction, elemental analyses and IR spectroscopy. The complex crystallizes in the triclinic system, space group PI with a = 11.199(2), b = 11.593(2), c = 11.865(3)/A, α= 99.330(1), β = 111.506(1), γ = 104.804(1)^o, V= 1328.4(5)A^3, Dc= 1.722 g/cm^3, Z = 1, Mr = 1377.82, F(000) = 692,μ(MoKa) = 2.306 mm^-1, S = 1.093, R= 0.0281 and wR = 0.0756 for 4179 observed reflections (I 〉 2σ(/)). The coordination polyhedron around Zn(II) can be described as a tetrahedron, trigonal bipyramid and octahedron. It is worth noting that the crystal structure of 1 is composed of tetranuclear zinc clusters linked by {ZnO6} units.
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A metal-organic coordination polymer {[Zn(Pht)(4,4'-bipy)(H2O)2]·2H2O}n (Pht = phthalate, 4,4'-bipy = 4,4'-bipyridine) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-ray diffraction. Yellow crystals crystallize in the monoclinic system, space group P2/n, a = 7.6346(14), b = 11.316(2), c = 10.8133(19) ,A, β = 92.A.A,A.(3)°, V = 933.3(3) A^3, C18H20N2O8Zn, Mr = 457.73, Dc = 1.629 g/cm^3, F(000) = 472, Z = 2,μ(MoKa) = 1.367 mm^-1, the final R = 0.0323 and wR = 0.0821 for 1859 observed reflections (Ⅰ〉 2σ(Ⅰ)). The structure of 1 exhibits a two-dimensional bilayer framework formed by hydrogen bonding interactions. Furthermore, 1 shows yellow photoluminescent property at room temperature.
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A new metal-organic coordination polymer [Zn(ipt)(im)2]2n·3nH2O 1 has been obtained by using hydrothermal synthesis and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group P2(1/n) with a = 10.653(3), b = 17.891(6), c = 10.743(4)A^°,β= 117.093(5)°, V= 1822.9(10) A^°3, Mr= 413.65, Dc = 1.507 g/cm^3,/t(MoKa) = 1.390 mm^-1, F(000) = 840, Z = 4, the final R = 0.0444 and wR = 0.1066 for 2434 observed reflections (I〉 2σ(I)). Furthermore, compound 1 shows blue photoluminescent property at room temperature.
基金Supported by the Hunan Provincial Department of Science and Technology Project (2009FJ3101)
文摘One novel binuclear copper(Ⅱ) complex [Cu 2 (Hpt) 2 (CO 3) 2 (H 2 O) 2 ]·H 2 O with copper carbonate and 3-(pyridin-2-yl)-1,2,4-triazole (Hpt) was hydrothermally synthesized and characterized by IR and X-ray diffraction analysis.The complex crystallizes in triclinic,space group P2 1 /n with a=0.6862(1),b=0.7805(1),c=1.1983(2) nm,α=72.03(2),β=107.72(3),γ=75.28(2)o,V=0.5884 nm 3,D c=2.105 g/cm 3,Z=1,F(000)=357,GOOF=1.041,the final R=0.01859 and wR=0.04348.The whole molecule is composed of two cooper ions,two Hpt molecules,two carbonate and three water molecules,forming a binuclear structure.The crystal structure shows that the cooper ion is coordinated with three nitrogen atoms from two Hpt molecules,two oxygen atoms from one carbonic acid and one water molecule,forming a distorted square pyramidal geometry.The TG analysis result shows that the title complex is stable under 131.0 ℃.
基金supported by the Youth Foundation of Luoyang Normal University(No.10000875)the Foundation of Education Department of Henan Province(No.2011A150021)
文摘A new 3d-4fheterometallic polymer {[Sm2Cu(PDC)2(SO4)2(H20)6]·2H2O}n 1 has been synthesized by Sm2O3, Cu(SO4)2·5H2O and pyridine-3,5-dicarboxylic acid under hydrothermal conditions. The compound crystallizes in triclinic system, space group Pi, with a = 6.352(7), b = 10.040(10), c = 10.315(11) A, α = 94.958(14), β = 95.556(7), γ = 99.747(14)°, V = 641.7(12)A3, Z = 1, M, = 1030.63, Dc= 2.651 Mg/m3,μ = 5.615 mm-1, F(000) = 491, the final R = 0.0491 and wR = 0.1345 for 2098 observed reflections with I 〉 2σ(I). The compound is a three-dimensional network structure in which infinite lanthanide-carboxylate chains are linked by [Cu($04)2]2- metalloligands to form a mixed-metal coordination network.
基金supported by the Science and Technology Development Project of Jilin Provincial Science & Technology Department(201205080)the Science and Technology Research Projects of the Education Office of Jilin Province (No. 2012. 358)
文摘A new two-dimensional cobalt coordination polymer has been prepared and fully characterized by elemental analysis, IR, TG and single-crystal X-ray diffraction. The compound [Co(C2O4)(bix)]n 1 crystallizes in the monoclinic system, space group C2/c, with a = 11.549(3), b = 15.700(3), c = 9.260(2) A, β = 102.984(3)°, V = 1636.0(6) A^3, C16HIaCON4O4, Mr= 383.23, Dc = 1.556 g/cm^3, μ(MoKa) = 1.078 mm^-1, F(000) = 780, Z = 4, the final R = 0.0455 and wR = 0.1286 for 1483 observed reflections (I 〉 2σ(I)). Of the compound, the Co center is octahedrally coordinated with oxalate acting as a tetra-dentate ligand coordinated to the cobalt atom and each bix serving as a bridging ligand by employing two N-donors to coordinate with the Co center. An infinite {Co2(C2O4)2}∞ chain is formed along the α axis. Furthermore, the 1D chains are held together via bix ligands to generate a two-dimensional network structure with 1D coronal-like channels (ca. 5.691A × 15.700A).
基金supported by the Science and Technology Development Project of Jilin Provincial Science & Technology Department(201205080)
文摘A metal-organic coordination polymer [Ni(PDB)(bix)(H20)]n (H2PDB = 3,4-pyri- dinedicarboxylic acid, bix = 1,4-bis(imidazol-l-ylmethyl)-benzene) 1 has been hydrothermally synthesized and characterized by elemental analysis, IR, TG and single-crystal X-ray diffraction. Blue crystals crystallize in the triclinic system, space group PI with a = 9.1849(8), b = 9.2065(9), c = 12.9308(12) °, a = 103.3070(10), β = 104.7160(10), y = 90.5900(10)°, V = 1026.42(16)/k3, C21H19NsNiOs, Mr = 480.12, Dc = 1.553 g/cm3, F(000) = 496, Z = 2,/l(MoKa) = 0.991 mm-1, the final R = 0.0325 and wR = 0.0799 for 3561 observed reflections (I 〉 2σ(I)). The structure of 1 exhibits a two-dimensional network structure.
文摘A novel metal-organic coordination polymer [Cu2(phen)(ipt)2]2n-nH2O 1 has been hydrothermally synthesized and structurally characterized by single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group P21/c with a = 12.338(3), b = 12.167(3), c = 18.167(4)A, β= 111.686(14)°, V = 2534.1(10)A^3, C28H18Cu2N2O9, Mr = 653.52, Dc = 1.713 g/cm^3,μ(MoKα) = 1.740 mm^-1, F(000) = 1320, Z = 4, the final R = 0.0443 and wR = 0.0853 for 3543 observed reflections (1 〉 2σ(I)). It exhibits a novel two-dimensional network with tetra-Cu-ipt-as building units.
基金Supported by the Natural Science Foundation of Henan Province (No. 0611023700)Natural Science Foundation of Education Department of Henan Province (No. 2006150019)
文摘A new supramolecular compound, { [2-(2-pyridyl)benzimidazoleH2]2+.[SBC15]2-}2, was synthesized by the hydrothermal reaction of o-diaminobenzene, 2-pyridinecarboxylie acid and SbCl3 in 1:1 HC1 solution, and characterized by chemical analysis, elemental analysis, IR spectra, thermogravimetfic analysis and fluorescence spectra. The crystal structure was deter- mined by X-ray single-crystal diffraction. The crystal belongs to the monoclinic system, space group P211c, with a = 16.0397(13), b = 14.3189(12), c = 15.6370(13) A, β = 105.8980(10)°, V = 3454.0(5) A3, Z = 4, C24H22Cl10N6Sb2, Mr = 992.48, Dc = 1.909 g/cm3,/z = 2.366 mm-1, S = 1.010, F(000) = 1920, R = 0.0254 and wR = 0.0555. The coordination anion, [SbCl5]2- which is a distorted tetragonal pyramid, is composed by coordinating action with Sb3+ ion and five adjacent chloride ions. Every four coordination anions of [SbCl5]2- form a biquaternion ring structure through the secondary bonding of Sb...Cl. Moreover, the compound adopts a three-dimensional network supramolecular structure because of the hydrogen bonds and π-π stacking between the rings and the 2-(2-pyridyl)benzimidazole divalent cations. The title compound also shows good fluorescent behaviors.
基金supported by the Natural Science Foundation of Fujian Province (No.2010J01029)the Foundation of Education Committee of Fujian Province (No.JB11002)
文摘A new metal-organic coordination polymer [Zn(hfipbb)(e-urea)]n(1,H2hfipbb = 4,4'-(hexafluoroisopropylidene)bis(benzoic acid),e-urea = ethylene urea) has been urothermally synthesized and characterized by elemental analysis and single-crystal X-ray diffraction.The title complex crystallizes in monoclinic,space group P21/c with a = 13.302(4),b = 10.981(3),c = 13.804(4) ,β = 93.587(5)°,V = 2012.3(10) 3,C20H14N2O5F6Zn,Mr = 541.72,Z = 4,Dc = 0.447 g/cm3, = 0.328 mm-1,F(000) = 272,R = 0.0340 and wR = 0.1107 for 4528 observed reflections(I 〉2σ(I)).In the structure of compound 1,two Zn(Ⅱ) ions are bridged by two carboxylate groups from two hfipbb ligands to form a dinuclear unit,and each dinuclear Zn(Ⅱ) unit is linked with its two adjacent dinuclear units through four hfipbb ligands into an infinite one-dimensional double-chain.The interesting structural feature of compound 1 is that the one-D double-chains are self-interconnected into a three-D supramolecular structure through hydrogen bonds between the coordinated e-urea molecules and carboxylate oxygen atoms(N1 and O2,N2 and O4).
基金Supported by the Science and Technology Research Projects of the Education Office of Jilin Province (No. 2007. 213)
文摘A metal-organic coordination compound formulated as [Zn(pzdc)(phen)]n·nH2O 1 (H2pzdc = pyrazine-2,3-dicarboxylic acid, phen = 1,10-phenanthroline) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence spectrum and single-crystal X-ray diffraction. The title compound crystallizes in the monoclinic system, space group P21/n with a = 11.607(2), b = 11.719(2), c = 13.140(3)A^°, β = 110.707(3)°, V= 1671.9(6)A^°3, C18H12ZnN4O5, Mr= 429.69, De = 1.707 g/cm^3,μ(MoKa) = 1.511 mm^-1, F(000) = 872, Z = 4, the final R = 0.0356 and wR = 0.0853 for 2713 observed reflections (I 〉 2σ(I)). It exhibits an interesting two-dimensional layer structure and shows yellow photoluminescent property at room temperature.
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A metal-organic coordination polymer [Cd(bpy)(BDC)]n·nbpy (bpy = 2,2-bipyri-dine, H2BDC = terephthalic acid) has been hydrothermally synthesized and structurally characterized by elemental analysis, IR spectrum, TG and single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group C2/c with a = 15.723(5), b = 21.695(5), c = 7.576(5) A, β = 116.171(7)°, V = 2319.3(18)A^3, C28H20CdN4O4, Mr = 588.88, Dc = 1.686 g/cm^3, μ(MoKα) = 0.987 mm^-1, F(000) = 1184, Z = 4, the final R = 0.0464 and wR = 0.0831 for 1882 observed reflections (Ⅰ〉 2σ(Ⅰ)). It exhibits a three-dimensional network with channels constructed from one-dimensional coordination chains via C–H…O hydrogen bonds and significant aromatic π-π stacking interactions.
基金Supported by the Science and Technology Research Projects of the Education Office of Jilin Province (No. 2007. 213)
文摘A new metal-organic complex [Pb2(PDB)2(phen)]n·nH2O (H2PDB=pyridine-3,4-dicarboxylic acid,phen=1,10-phenanthroline) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis,IR spectrum,TG and single-crystal X-ray diffraction.The compound crystallizes in triclinic,space group P1 with a=7.2472(5),b=10.6966(8),c=16.2376(12),α=98.2960(10),β=91.6430(10),γ=97.4810(10)o,V=1233.53(16)3,C26H16O9N4Pb2,Mr=942.81,Dc=2.538 g/cm3,μ(MoKα)=13.697 mm-1,F(000)=872,Z=2,the final R=0.0247 and wR=0.0654 for 3886 observed reflections (I 〉 2σ(I)).In the crystal structure,the Pb(1) atom is six-coordinated with four carboxylate oxygen atoms from three different PDB ligands and two nitrogen atoms from phen ligand,showing a distorted octahedral geometry;the Pb(2) atom is four-coordinated with four carboxylate oxygen atoms from four different PDB ligands,showing a distorted tetrahedral geometry.It exhibits a three-dimensional supramolecular network structure formed by hydrogen bonds and π-π interactions.
基金supported by the National Natural Science Foundation of China (No. 20772042)
文摘A new complex [Cd(H2biim)2(H2O)2]·(ino)2·4H2O (H2biim = 2,2'-biimidazole, ino = isonicotinate-N-oxide) has been prepared and characterized by single-crystal X-ray diffraction analysis, IR and fluorescence spectra analysis. The crystal is of triclinic system, space group P1 with a = 7.5380(6), b = 8.0402(7), c = 13.5094(11) , α = 104.269(1), β = 93.604(1), γ = 98.349(1)°, V = 780.93(11) 3, Mr = 765.00, Dc = 1.627 g/cm3, F(000) = 390, μ = 0.776 mm-1 and Z = 1. The final R = 0.0322 and wR = 0.0825 for 7038 observed reflections with I 2σ(I) and R = 0.0341 and wR = 0.0832 for all data. The title complex exhibits an infinite chain-like structure through bridging isonicotinate-N-oxide. Strong interchain hydrogen bonds between isonicotinate-N-oxide and H2biim result in the robust 3-D supramolecular architecture. Moreover, the complex shows strong photoluminescence with emission maximum at λ = 401 nm upon λex = 330 nm.
基金supported by the Science and Technology Development Project of Jilin Provincial Science & Technology Department(201205080)
文摘A metal-organic coordination polymer [Cd2(PDC)2(bix)(H2O)2]n·nH2O (H2PDC = 2,4-pyridinedicarboxylic acid, bix = 1,4-bis(imidazol-l-ylmethyl)-benzene) 1 has been hydrother- mally synthesized and characterized by elemental analysis, IR, TG, fluorescence spectrum and single-crystal X-ray diffraction. Brown crystals crystallize in the orthorhombic system, space group P212121 with a = 11.741(3), b = 14.190(4), c = 18.963(5) A, V= 3159.4(14) A3, C28H26Cd2N6O11, Mr= 847.35, Dc = 1.781 g/cm3, F(000) = 1680, Z = 4,μ(MoKa) = 1.415 mm-1, the final R = 0.0381 and wR = 0.0882 for 5472 observed reflections (1 〉 2σ(I)). The structure of 1 exhibits a threedimensional network structure.
基金The project was supported by the National Natural Science Foundation of China (20471008) and the Fundamental Research Foundation of Beijing Institute of Technology (BIT-UBF-200302B01&BIT-UBF-200502B4221)
文摘A dinuclear complex Cd2(dnba)4(pyridine)4 (dnba = 3,5-dinitrobenzoate) has been synthesized by hydrothermal method and characterized by X-ray single-crystal diffraction, elemental analysis, FT-IR spectroscopy, DSC and TG-DTG techniques. The complex with empirical formula C48H32Cd2NI2024 (Mr = 692.83) crystallizes in monoclinic, space group P21/n with a - 12.0344(14), b = 10.5752(13), c = 21.578(3) A, β = 104.150(2)°, V = 2662.8(6) A^3, Z = 2, D, = 1.728 g/cm^3,μ(MoKa) = 0.897 mm^-1, F(000) = 1384, S = 1.016 and (△/σ)max = 0.001. R = 0.0638 and wR = 0.0737 for all data; the final R = 0.0337 and wR = 0.0644. In this complex, four carboxylates are bidentate-or chelate-coordinated with the Cd(Ⅱ) centers to give the dinuclear structure. The other coordination positions of Cd(Ⅱ) are occupied by the lone pair electrons from N of four pyridines. Thermal analyses DSC and TG-DTG have been used to determine the thermal decomposition mechanism of the title complex.
基金the Natural Science Foundation of Universities of Jiangsu Province (No. 05KJB150110)
文摘An inorganic-organic hybrid thioantimonate(Ⅲ) [CH3(CH2)3NH3]2Sb4S7 1 with layered structure was synthesized by solvothermal method. 1 crystallizes in the triclinic system, space group P1 with a = 7.0124(11), b = 11.919(2), c =14.879(3)A, α = 108.791(3), β= 102.441(3), γ = 92.846(2)°, V= 1140.1(3)A3, Mr = 859.71, Z= 2, Do = 2.504 g/cm^3 ,μ = 5.324 mm^-1, F(000) = 804, S = 1.013, the Final R = 0.0297 and wR = 0.0618 for 3534 observed reflections with Ⅰ 〉 2 σ(Ⅰ). 1 consists of [C4HgNH3]+ cations and two-dimensional [Sb4ST]n^2n- anion which is composed of three SbS3 trigonal pyranaids and one SbS4 unit joined by sharing common comers. The anionic layers are stacked perpendicularly to the c axis of the unit cell forming two-dimensional channels between the layers. The [C4H9NH3]^+ cations interdigitate in a bilayer and reside in the 2D channels leading to a sandwich-like arrangement of the anion and cations.
基金Supported by the Science and Technology Research Projects of the Education Office of Jilin Province (No. 2009. 272)
文摘A new dinuclear complex [Zn(dpa)(bipy)(H2O)]2 (dpa = 2,2'-diphenic acid, bipy = 2,2'-bipyridine) 1 has been hydrothermally synthesized and structurally characterized by elemental analysis, IR, fluorescence spectrum and single-crystal X-ray diffraction. The complex crystallizes in monoclinic, space group P21/c with a = 10.960(2), b = 9.4841(18), c = 20.599(4), β = 104.452(3)o, V = 2073.4(7)3, C48H36N4O10Zn2, Mr = 959.55, Dc = 1.537 g/cm3, μ(MoKα) = 1.225 mm-1, F(000) = 984, Z = 2, the final R = 0.0364 and wR = 0.0843 for 2788 observed reflections (I 〉 2σ(I)). In the crystal structure, the zinc atom is five-coordinated with two carboxylate oxygen atoms from different dpas, one coordinated water molecule and two nitrogen atoms from bipy ligands, showing a slightly distorted triangular bipyramidal geometry. Furthermore, it exhibits a zero-dimensional network structure with a sixteen-membered ring and shows yellow photoluminescent property at room temperature.