The novel complex [K(18-C-6)]_2 [Cd(mnt)_2] [18-C-6 = 18-crown-6, mnt =1,2-dicyanoethene-1,2-dithiolate, C_2S_2-(CN)_2^(2-)] was synthesized and characterized by elementalanalysis, IR spectrum and X-ray diffraction an...The novel complex [K(18-C-6)]_2 [Cd(mnt)_2] [18-C-6 = 18-crown-6, mnt =1,2-dicyanoethene-1,2-dithiolate, C_2S_2-(CN)_2^(2-)] was synthesized and characterized by elementalanalysis, IR spectrum and X-ray diffraction analysis. The complex displays two-dimensional networkstructure of [K(18-C-6)] complex segments and [Cd(mnt)_2] complex segment bridged by S-K-S, S-K-Nand N-K-N interactions between adjacent [K(18-C-6)] and [Cd(mnt)_2] units.展开更多
A novel two-dimensional network manganese(Ⅱ) polymer complex [Mn(O2CCH2CI)2-(phen)]n has been synthesized and characterized by elemental analysis and IR spectrum. The crystal structure of title complex has also been ...A novel two-dimensional network manganese(Ⅱ) polymer complex [Mn(O2CCH2CI)2-(phen)]n has been synthesized and characterized by elemental analysis and IR spectrum. The crystal structure of title complex has also been determined, which is in monoclinic of a space group P21/c with the following unit cell parameters at 294K: a=1.9738(4) nm, b =1.1384(2) nm, c =0.74915(14) nm, V =1.6795(5) nm3, Z= 2.展开更多
The copper(Ⅱ) complex [Cu_3(nta)_2(azpy)_2(H_2O)_2]·6H_2O (nta =nitrilotriacetate, azpy = 4,4′-azobispyridine) has been synthesized and characterized. The X-rayanalysis reveals that there are two kinds of copp...The copper(Ⅱ) complex [Cu_3(nta)_2(azpy)_2(H_2O)_2]·6H_2O (nta =nitrilotriacetate, azpy = 4,4′-azobispyridine) has been synthesized and characterized. The X-rayanalysis reveals that there are two kinds of copper(Ⅱ) coordination environments. Cu(1) has adistorted square plane symmetry and Cu(2) has a distorted octahedral symmetry. Cu(1) is linked toCu(2) through nta and bound to Cu(1C) by azpy, and Cu(2) is linked to Cu(2A) through azpy, whichextends to two-dimensional network with large rhombus 1.2 nm x 1.7 nm.展开更多
Through two methods, we investigate the solitary and periodic wave solutions of the differential equation describing a nonlinear coupled two-dimensional discrete electrical lattice. The fixed points of our model equat...Through two methods, we investigate the solitary and periodic wave solutions of the differential equation describing a nonlinear coupled two-dimensional discrete electrical lattice. The fixed points of our model equation are examined and the bifurcations of phase portraits of this equation for various values of the front wave velocity are presented. Using the sineGordon expansion method and classic integration, we obtain exact transverse solutions including breathers, bright solitons,and periodic solutions.展开更多
A novel coordination polymer of ｛[Co(4,4′-bipy)(ambdc)(H2O)2](4,4′-bipy)(DMF)｝n has been synthesized using 5-aminoisophthalic acid (H2ambdc), 4,4′-bipyridine(4,4′-bipy) and metal salts. The ambdc ligand in title...A novel coordination polymer of ｛[Co(4,4′-bipy)(ambdc)(H2O)2](4,4′-bipy)(DMF)｝n has been synthesized using 5-aminoisophthalic acid (H2ambdc), 4,4′-bipyridine(4,4′-bipy) and metal salts. The ambdc ligand in title compound has a μ2-monodentate coordination mode and the structure of the title compound is a two-dimensional network. CCDC: 279054.展开更多
In an attempt to synthesize supra-molecular complex of copper(II) with mixed ligands in a solution reaction of Cu(ClO 4) 2·6H 2O with 4,5-diazafluorene-9-one (dafo) and o-phthalic acid, the bright blue col...In an attempt to synthesize supra-molecular complex of copper(II) with mixed ligands in a solution reaction of Cu(ClO 4) 2·6H 2O with 4,5-diazafluorene-9-one (dafo) and o-phthalic acid, the bright blue column-like crystal [Cu(dafo) 2(H 2O) 2]-(ClO 4) 2 was obtained. Its structure was determined by single-crystal X-ray diffraction study. The crystal belongs to monoclinic system, space group P2(1)/n with cell dimensions: a=0.7947(3) nm, b=1.2021(5) nm, c=1.3190(5) nm, α=90.000(5)°, β=90.000(5)°, γ= 90.000(5)°, V=1.2600(9) nm 3, Z=2, F(000)=670, M r=662.83, D c=1.747 g/cm 3, μ (Mo Kα)=1.154 mm -1, R 1=0.0455, wR 2=0.1041. The analysis of the crystal structure indicates that the complex has a two-dimensional network structure which is formed by hydrogen bonds.展开更多
Two novel one- and two-dimensional network structure bismuth(III) complexes with N,N-di(2-hydroxylethyl)- aminodithiocarboxylate, {Bi[S2CN(C2H4OH)2]2[1,10-Phen]2(NO3)}3H2O (1) and {Bi[S2CN(C2H4OH)2]3}2 (2) were synthe...Two novel one- and two-dimensional network structure bismuth(III) complexes with N,N-di(2-hydroxylethyl)- aminodithiocarboxylate, {Bi[S2CN(C2H4OH)2]2[1,10-Phen]2(NO3)}3H2O (1) and {Bi[S2CN(C2H4OH)2]3}2 (2) were synthesized. Their crystal and molecular structures were determined by X-ray single crystal diffraction analysis. The crystal 1 belongs to monoclinic system with space group C2/c, a=1.6431(7) nm, b=2.4323(10) nm, c=1.2646(5) nm, =126.237(5)o, Z=4, V=4.076(3) nm3, Dc=1.757 Mg/m3, =4.598 mm-1, F(000)=2156, R=0.0211, wR=0.0369. The structure shows a distorted square antiprism configuration with eight-coordination for the central Bi atom. The one-dimensional chain structure was formed by H-bonding interaction between hydroxyl group of N,N-di(2-hydroxylethyl)aminodithiocarboxylate ligands and crystal water. The crystal 2 belongs to monoclinic system with space group P2(1)/c, a=1.1149(4) nm, b=2.1274(8) nm, c=2.2107(8) nm, =98.325(8), Z=4, V=5.188(3) nm3, Dc=1.920 Mg/m3, =7.315 mm-1, F(000)=2944, R=0.0565, wR=0.0772. The structure shows a distorted square antiprism configuration with eight-coordination for the central Bi atoms. The two-dimensional network structure was formed by H-bonding interaction between adjacent molecules.展开更多
The novel copper(II) coordination polymer with 2-oxo-propionic acid be nzoyl hydrazone and hexamethylenetetramine ligands, {Cu( μ2-C10H8N2O3)( μ2-C6H 12N4)1/2}n (C10H8N2O32- is the dinegative ion of 2-oxo-propionica...The novel copper(II) coordination polymer with 2-oxo-propionic acid be nzoyl hydrazone and hexamethylenetetramine ligands, {Cu( μ2-C10H8N2O3)( μ2-C6H 12N4)1/2}n (C10H8N2O32- is the dinegative ion of 2-oxo-propionicacid benzoyl hyd razone), has been synthesized and characterized by elemental analysis and IR spe ctroscopy. The crystal structure was determined by single crystal X-ray diffrac tion analysis. The results show that the crystal of the title coordination polym er belongs to monoclinic space group C2/c, the cell parameters are as follows: a =1.787 5(2) nm, b=0.730 93(9) nm, c=2.038 2(2) nm, β=92.890(2)°, and V=2.659 6 (5) nm3, Z=8, Dc=1.687 Mg·m-3, μ(Mo Kα)=1.659 mm-1, F(000)=1 384, R=0.031 1, wR=0.079 0 for 2 454 observed reflections (I>2σ(I)) out of 2887 unique reflecti ons. In this copper(II) coordination polymer, each copper(II) ion is five-coordi nated with a geometry of distorted square-pyramid. Two oxygen atoms of the carbo xyl of each C10H8N2O32- acts as a bridge to bond two neighboring copper(II) ions , leading to an infinite one-dimensional chainlike coordination polymer. Each ch ain is linked by coordinated hexamethylenetetramines with its neighbors to form an infinite two-dimensional network structure. CCDC: 255347.展开更多
A novel 1,2-diaminocyclohexane（1,2-DACH） decorated manganese thiostannate,namely MnSnS_3（1,2-DACH）（1）,has been solvothermally synthesized by the reaction of Mn（CH_3COO）_2·4H_2O,Sn and S in the stoichiomet...A novel 1,2-diaminocyclohexane（1,2-DACH） decorated manganese thiostannate,namely MnSnS_3（1,2-DACH）（1）,has been solvothermally synthesized by the reaction of Mn（CH_3COO）_2·4H_2O,Sn and S in the stoichiometric ratio in 1,2-DACH,which acted as an efficient structure-directing agent（SDA） and reactive solvent in the formation of the title compound. Single-crystal X-ray diffraction studies revealed that the title compound crystallizes in the monoclinic space group P2_1/c with a = 12.2458（7）,b = 13.8588（7）,c = 7.2292（4） ？,β = 99.460（6）°,V = 1210.20（12） ？~3,Z = 4,Dc = 2.108 g·cm^（-3）,F（000） = 748,μ = 3.584 mm^（-1）,R = 0.0348 and wR = 0.0823（I 〉 2σ（I））. The structure features a neutral two-dimensional（2D） network constructed by the unsaturated [Mn（1,2-DACH）] complexes interconnecting [SnS_3]_n^（2n-） chains via sharing S. Thermal stability and optical property of compound 1 were characterized.展开更多
文摘The novel complex [K(18-C-6)]_2 [Cd(mnt)_2] [18-C-6 = 18-crown-6, mnt =1,2-dicyanoethene-1,2-dithiolate, C_2S_2-(CN)_2^(2-)] was synthesized and characterized by elementalanalysis, IR spectrum and X-ray diffraction analysis. The complex displays two-dimensional networkstructure of [K(18-C-6)] complex segments and [Cd(mnt)_2] complex segment bridged by S-K-S, S-K-Nand N-K-N interactions between adjacent [K(18-C-6)] and [Cd(mnt)_2] units.
基金supported by the National Natural Science Foundation of China(Grant No.20271041)Shaanxi Province Natural Science Foundation(Grant No.2002B04).
文摘A novel two-dimensional network manganese(Ⅱ) polymer complex [Mn(O2CCH2CI)2-(phen)]n has been synthesized and characterized by elemental analysis and IR spectrum. The crystal structure of title complex has also been determined, which is in monoclinic of a space group P21/c with the following unit cell parameters at 294K: a=1.9738(4) nm, b =1.1384(2) nm, c =0.74915(14) nm, V =1.6795(5) nm3, Z= 2.
文摘The copper(Ⅱ) complex [Cu_3(nta)_2(azpy)_2(H_2O)_2]·6H_2O (nta =nitrilotriacetate, azpy = 4,4′-azobispyridine) has been synthesized and characterized. The X-rayanalysis reveals that there are two kinds of copper(Ⅱ) coordination environments. Cu(1) has adistorted square plane symmetry and Cu(2) has a distorted octahedral symmetry. Cu(1) is linked toCu(2) through nta and bound to Cu(1C) by azpy, and Cu(2) is linked to Cu(2A) through azpy, whichextends to two-dimensional network with large rhombus 1.2 nm x 1.7 nm.
文摘Through two methods, we investigate the solitary and periodic wave solutions of the differential equation describing a nonlinear coupled two-dimensional discrete electrical lattice. The fixed points of our model equation are examined and the bifurcations of phase portraits of this equation for various values of the front wave velocity are presented. Using the sineGordon expansion method and classic integration, we obtain exact transverse solutions including breathers, bright solitons,and periodic solutions.
文摘A novel coordination polymer of ｛[Co(4,4′-bipy)(ambdc)(H2O)2](4,4′-bipy)(DMF)｝n has been synthesized using 5-aminoisophthalic acid (H2ambdc), 4,4′-bipyridine(4,4′-bipy) and metal salts. The ambdc ligand in title compound has a μ2-monodentate coordination mode and the structure of the title compound is a two-dimensional network. CCDC: 279054.
文摘In an attempt to synthesize supra-molecular complex of copper(II) with mixed ligands in a solution reaction of Cu(ClO 4) 2·6H 2O with 4,5-diazafluorene-9-one (dafo) and o-phthalic acid, the bright blue column-like crystal [Cu(dafo) 2(H 2O) 2]-(ClO 4) 2 was obtained. Its structure was determined by single-crystal X-ray diffraction study. The crystal belongs to monoclinic system, space group P2(1)/n with cell dimensions: a=0.7947(3) nm, b=1.2021(5) nm, c=1.3190(5) nm, α=90.000(5)°, β=90.000(5)°, γ= 90.000(5)°, V=1.2600(9) nm 3, Z=2, F(000)=670, M r=662.83, D c=1.747 g/cm 3, μ (Mo Kα)=1.154 mm -1, R 1=0.0455, wR 2=0.1041. The analysis of the crystal structure indicates that the complex has a two-dimensional network structure which is formed by hydrogen bonds.
基金Project supported by the National Natural Science Foundation of China (No. 20271025) and the Natural Science Foundation of Shandong Province (No. L2003B01).
文摘Two novel one- and two-dimensional network structure bismuth(III) complexes with N,N-di(2-hydroxylethyl)- aminodithiocarboxylate, {Bi[S2CN(C2H4OH)2]2[1,10-Phen]2(NO3)}3H2O (1) and {Bi[S2CN(C2H4OH)2]3}2 (2) were synthesized. Their crystal and molecular structures were determined by X-ray single crystal diffraction analysis. The crystal 1 belongs to monoclinic system with space group C2/c, a=1.6431(7) nm, b=2.4323(10) nm, c=1.2646(5) nm, =126.237(5)o, Z=4, V=4.076(3) nm3, Dc=1.757 Mg/m3, =4.598 mm-1, F(000)=2156, R=0.0211, wR=0.0369. The structure shows a distorted square antiprism configuration with eight-coordination for the central Bi atom. The one-dimensional chain structure was formed by H-bonding interaction between hydroxyl group of N,N-di(2-hydroxylethyl)aminodithiocarboxylate ligands and crystal water. The crystal 2 belongs to monoclinic system with space group P2(1)/c, a=1.1149(4) nm, b=2.1274(8) nm, c=2.2107(8) nm, =98.325(8), Z=4, V=5.188(3) nm3, Dc=1.920 Mg/m3, =7.315 mm-1, F(000)=2944, R=0.0565, wR=0.0772. The structure shows a distorted square antiprism configuration with eight-coordination for the central Bi atoms. The two-dimensional network structure was formed by H-bonding interaction between adjacent molecules.
文摘The novel copper(II) coordination polymer with 2-oxo-propionic acid be nzoyl hydrazone and hexamethylenetetramine ligands, {Cu( μ2-C10H8N2O3)( μ2-C6H 12N4)1/2}n (C10H8N2O32- is the dinegative ion of 2-oxo-propionicacid benzoyl hyd razone), has been synthesized and characterized by elemental analysis and IR spe ctroscopy. The crystal structure was determined by single crystal X-ray diffrac tion analysis. The results show that the crystal of the title coordination polym er belongs to monoclinic space group C2/c, the cell parameters are as follows: a =1.787 5(2) nm, b=0.730 93(9) nm, c=2.038 2(2) nm, β=92.890(2)°, and V=2.659 6 (5) nm3, Z=8, Dc=1.687 Mg·m-3, μ(Mo Kα)=1.659 mm-1, F(000)=1 384, R=0.031 1, wR=0.079 0 for 2 454 observed reflections (I>2σ(I)) out of 2887 unique reflecti ons. In this copper(II) coordination polymer, each copper(II) ion is five-coordi nated with a geometry of distorted square-pyramid. Two oxygen atoms of the carbo xyl of each C10H8N2O32- acts as a bridge to bond two neighboring copper(II) ions , leading to an infinite one-dimensional chainlike coordination polymer. Each ch ain is linked by coordinated hexamethylenetetramines with its neighbors to form an infinite two-dimensional network structure. CCDC: 255347.
基金Financial support from the NNSFC(No.21373223)Chunmiao project of Haixi Institute of Chinese Academy of Sciences(CMZX-2014-001)
文摘A novel 1,2-diaminocyclohexane（1,2-DACH） decorated manganese thiostannate,namely MnSnS_3（1,2-DACH）（1）,has been solvothermally synthesized by the reaction of Mn（CH_3COO）_2·4H_2O,Sn and S in the stoichiometric ratio in 1,2-DACH,which acted as an efficient structure-directing agent（SDA） and reactive solvent in the formation of the title compound. Single-crystal X-ray diffraction studies revealed that the title compound crystallizes in the monoclinic space group P2_1/c with a = 12.2458（7）,b = 13.8588（7）,c = 7.2292（4） ？,β = 99.460（6）°,V = 1210.20（12） ？~3,Z = 4,Dc = 2.108 g·cm^（-3）,F（000） = 748,μ = 3.584 mm^（-1）,R = 0.0348 and wR = 0.0823（I 〉 2σ（I））. The structure features a neutral two-dimensional（2D） network constructed by the unsaturated [Mn（1,2-DACH）] complexes interconnecting [SnS_3]_n^（2n-） chains via sharing S. Thermal stability and optical property of compound 1 were characterized.
