A new metal-organic coordination complex [Zn（H2BPTC）（phen）2]n.3nH2O （BPTC = 3,3＇,4,4＇-benzophenone tetracarboxylate, phen = 1,10-phenanthroline） 1 has been obtained from hydrothermal reaction and characterized...A new metal-organic coordination complex [Zn（H2BPTC）（phen）2]n.3nH2O （BPTC = 3,3＇,4,4＇-benzophenone tetracarboxylate, phen = 1,10-phenanthroline） 1 has been obtained from hydrothermal reaction and characterized by elementaj analysis, IR, TG and single-crystal X-ray diffraction. In compound 1, the zinc cation is hexa-coordinated with two carboxylate oxygen atoms from one H2BPTC ligand and four nitrogen atoms from two different phen ligands, showing a slightly distorted octahedral geometry. Crystal data： C41H30N4O12Zn, Mr = 836.06, monoclinic, P21/c, a = 14.2714（9）, b = 16.9386（10）, c = 15.0151（9）A, β = 101.3420（10）^o, V= 3558.8（4）A3 Dc = 1.560 g/cm^3,μ（MoKa） = 0.766 mm^-1, F（000） = 1720, Z= 4, R = 0.0439 and wR = 0.1157 for 4123 observed reflections with I 〉 2 o（I）.展开更多
The complex with the molecular formula of Zn(Phen)(NAA)2 was synthesized by the reaction of ZnSO4, naphthylacetic acid and phenanthroline in ethanol-water solution at about pH≈7. It was characterized by elemental ana...The complex with the molecular formula of Zn(Phen)(NAA)2 was synthesized by the reaction of ZnSO4, naphthylacetic acid and phenanthroline in ethanol-water solution at about pH≈7. It was characterized by elemental analysis, IR spectrum and X-ray single crystal diffraction. The antibacterial activity on E. Coli, S. Aureus and B. Subtilis were also been studied. The crystal of the complex belongs to triclinic system with space group P1, a=1.300 2 nm, b=1.306 4 nm, c=1.714 4 nm, α=89.41°, β=77.06°, γ=86.70°, V=2.833 5(2) nm3, Z=4, Dc =1.444 g·cm-3, Mr=615.96, μ(Mo Kα)=0.912 mm-1, the final R=0.039 8 and wR=0.103 4 [I>2σ(I)], F(000)=1 272. An asymmetry unit is composed of two independent molecules of Zn(Phen)(NAA)2 with different bond length and bond angles. There exist two kinds of face to face π-π stacking interactions . The complex has a good effect against E. Coli. CCDC: 619222.展开更多
The title complex was synthesized by reaction of 2,2′-bipyridine(bipy) and zinc sulfate heptahrdrate in water-methanol solution.The crystal structure was determined by elemental analysis and X-ray diffraction.The res...The title complex was synthesized by reaction of 2,2′-bipyridine(bipy) and zinc sulfate heptahrdrate in water-methanol solution.The crystal structure was determined by elemental analysis and X-ray diffraction.The results show that the title complex belongs to monoclinic system with space group Cc and cell parameter: a = 1.5420(2) nm,b = 1.2696(2) nm,c = 0.6704(1) nm.β= 102.178(2)°.V = 1.2830(3) nm3,Z = 4,Dc = 1.831 g/cm3,μ= 2.104 mm-1,F(000) = 720.The Zn(Ⅱ) is coordinated by one bipy,two water molecules and one SO42-.At the same time,the Zn(Ⅱ) formed a distorted tetrasquare pyramid structure.The complex formed 1D straight chain by SO42-anion,and 1D chain assembled into double-stranded chain by π-π stacking interactions(ca:0.335(1) nm),furthmore,double-stranded chain extended to 2D network by O-H…O hrdrogen bonds,2D network constructed 3D supramolecular structure by C-H…O hrdrogen bonds.展开更多
One novel complex Zn(phen)(pimelic acid)2 with pimelic acid, 1,10-phenanthroline (phen) and zinc perch-lorate has been synthesized and characterized. The crystal of the complex belongs to monoclinic, space group C2/c....One novel complex Zn(phen)(pimelic acid)2 with pimelic acid, 1,10-phenanthroline (phen) and zinc perch-lorate has been synthesized and characterized. The crystal of the complex belongs to monoclinic, space group C2/c. The crystal structure shows that the zinc ion is coordinated with two nitrogen atoms of one 1,10-phenanthroline molecule and two oxygen atoms from two pimelic acid molecules, respectively, forming a distorted tetrahedron coordination geometry. The cyclic voltametric behavior of the complex was also investigated.展开更多
A novel asymmetric dinuclear carboxylate-bridged Zn(Ⅱ) complex, \[Zn 2 (ad am) 4 (phen)\]·H 2 O(adam -=adamantanecarboxylato group, phen=1,10-phenanthroline), has been synthesized by reaction of adamantanecarbo ...A novel asymmetric dinuclear carboxylate-bridged Zn(Ⅱ) complex, \[Zn 2 (ad am) 4 (phen)\]·H 2 O(adam -=adamantanecarboxylato group, phen=1,10-phenanthroline), has been synthesized by reaction of adamantanecarbo xylic acid with Zn(CH 3 COO) 2 ·2H 2 O in 1,10-phenanthroline. The crystal structu re results as elucidated by XRD indicates that it is an adamantanecarboxylat o Zn(Ⅱ) complex, in which the two Zn(Ⅱ) ions are t riply-bridged by three adamantanecarboxylato groups, with a distance of 0 325 9(1) nm between each other. In the dinuclear zinc complex, one Zn(Ⅱ) ion ha s a distorted tetrahedral geometry and the other has a distorted octahedral geom etry.展开更多
A transition metal complex Zn(mpc)2(H2O)2(Hmpc=3-methylpyrazole-5-carboxylic acid) has been synth-esized by the reaction of Hmpc with Zn(NO3) 2·6H2O using hydrothermal method,which was characterized by IR spe-ctr...A transition metal complex Zn(mpc)2(H2O)2(Hmpc=3-methylpyrazole-5-carboxylic acid) has been synth-esized by the reaction of Hmpc with Zn(NO3) 2·6H2O using hydrothermal method,which was characterized by IR spe-ctra,elemental analysis and single-crystal X-ray structure analysis.The structure reveals that the complex crystallizes in the trigonal space group R3c with the ZnⅡ atom on a threefold axis,composed of one ZnⅡ atom,two independent mpc-ligands and two coordinated water.Hydrogen bonds link the molecules into a three-dimensional supramolecular architecture.Fluorescent analysis in the dilute EtOH solution shows that the title complex exhibits a broad fluorescent band at 471 nm upon photoexcitation at 280 nm and has a bathochromic shift of the emission energy compared with the free ligand,possibly due to metal-to-ligand charge transfer(MLCT) .CCDC:682402.展开更多
基金The project was supported by the Education Office of Jilin Province (No. 0047)
文摘A new metal-organic coordination complex [Zn（H2BPTC）（phen）2]n.3nH2O （BPTC = 3,3＇,4,4＇-benzophenone tetracarboxylate, phen = 1,10-phenanthroline） 1 has been obtained from hydrothermal reaction and characterized by elementaj analysis, IR, TG and single-crystal X-ray diffraction. In compound 1, the zinc cation is hexa-coordinated with two carboxylate oxygen atoms from one H2BPTC ligand and four nitrogen atoms from two different phen ligands, showing a slightly distorted octahedral geometry. Crystal data： C41H30N4O12Zn, Mr = 836.06, monoclinic, P21/c, a = 14.2714（9）, b = 16.9386（10）, c = 15.0151（9）A, β = 101.3420（10）^o, V= 3558.8（4）A3 Dc = 1.560 g/cm^3,μ（MoKa） = 0.766 mm^-1, F（000） = 1720, Z= 4, R = 0.0439 and wR = 0.1157 for 4123 observed reflections with I 〉 2 o（I）.
文摘The complex with the molecular formula of Zn(Phen)(NAA)2 was synthesized by the reaction of ZnSO4, naphthylacetic acid and phenanthroline in ethanol-water solution at about pH≈7. It was characterized by elemental analysis, IR spectrum and X-ray single crystal diffraction. The antibacterial activity on E. Coli, S. Aureus and B. Subtilis were also been studied. The crystal of the complex belongs to triclinic system with space group P1, a=1.300 2 nm, b=1.306 4 nm, c=1.714 4 nm, α=89.41°, β=77.06°, γ=86.70°, V=2.833 5(2) nm3, Z=4, Dc =1.444 g·cm-3, Mr=615.96, μ(Mo Kα)=0.912 mm-1, the final R=0.039 8 and wR=0.103 4 [I>2σ(I)], F(000)=1 272. An asymmetry unit is composed of two independent molecules of Zn(Phen)(NAA)2 with different bond length and bond angles. There exist two kinds of face to face π-π stacking interactions . The complex has a good effect against E. Coli. CCDC: 619222.
文摘The title complex was synthesized by reaction of 2,2′-bipyridine(bipy) and zinc sulfate heptahrdrate in water-methanol solution.The crystal structure was determined by elemental analysis and X-ray diffraction.The results show that the title complex belongs to monoclinic system with space group Cc and cell parameter: a = 1.5420(2) nm,b = 1.2696(2) nm,c = 0.6704(1) nm.β= 102.178(2)°.V = 1.2830(3) nm3,Z = 4,Dc = 1.831 g/cm3,μ= 2.104 mm-1,F(000) = 720.The Zn(Ⅱ) is coordinated by one bipy,two water molecules and one SO42-.At the same time,the Zn(Ⅱ) formed a distorted tetrasquare pyramid structure.The complex formed 1D straight chain by SO42-anion,and 1D chain assembled into double-stranded chain by π-π stacking interactions(ca:0.335(1) nm),furthmore,double-stranded chain extended to 2D network by O-H…O hrdrogen bonds,2D network constructed 3D supramolecular structure by C-H…O hrdrogen bonds.
文摘One novel complex Zn(phen)(pimelic acid)2 with pimelic acid, 1,10-phenanthroline (phen) and zinc perch-lorate has been synthesized and characterized. The crystal of the complex belongs to monoclinic, space group C2/c. The crystal structure shows that the zinc ion is coordinated with two nitrogen atoms of one 1,10-phenanthroline molecule and two oxygen atoms from two pimelic acid molecules, respectively, forming a distorted tetrahedron coordination geometry. The cyclic voltametric behavior of the complex was also investigated.
文摘A novel asymmetric dinuclear carboxylate-bridged Zn(Ⅱ) complex, \[Zn 2 (ad am) 4 (phen)\]·H 2 O(adam -=adamantanecarboxylato group, phen=1,10-phenanthroline), has been synthesized by reaction of adamantanecarbo xylic acid with Zn(CH 3 COO) 2 ·2H 2 O in 1,10-phenanthroline. The crystal structu re results as elucidated by XRD indicates that it is an adamantanecarboxylat o Zn(Ⅱ) complex, in which the two Zn(Ⅱ) ions are t riply-bridged by three adamantanecarboxylato groups, with a distance of 0 325 9(1) nm between each other. In the dinuclear zinc complex, one Zn(Ⅱ) ion ha s a distorted tetrahedral geometry and the other has a distorted octahedral geom etry.
文摘A transition metal complex Zn(mpc)2(H2O)2(Hmpc=3-methylpyrazole-5-carboxylic acid) has been synth-esized by the reaction of Hmpc with Zn(NO3) 2·6H2O using hydrothermal method,which was characterized by IR spe-ctra,elemental analysis and single-crystal X-ray structure analysis.The structure reveals that the complex crystallizes in the trigonal space group R3c with the ZnⅡ atom on a threefold axis,composed of one ZnⅡ atom,two independent mpc-ligands and two coordinated water.Hydrogen bonds link the molecules into a three-dimensional supramolecular architecture.Fluorescent analysis in the dilute EtOH solution shows that the title complex exhibits a broad fluorescent band at 471 nm upon photoexcitation at 280 nm and has a bathochromic shift of the emission energy compared with the free ligand,possibly due to metal-to-ligand charge transfer(MLCT) .CCDC:682402.
