二维层状铜配位聚合物[Cu2(3-PyOH)2(EDTA)]n的合成与结构研究

A 2D copper coordination polymer of [Cu₂(3-PyOH)₂(EDTA)]_n (EDTA^4-=ethylenediaminetetraacetate quadrivalent anion C₁₀H₁₂N₂O₈, 3-PyOH=3-hydroxypyridine) was synthesized and characterized by the element analysis, IR and single crystal X-ray diffraction. The title complex crystallizes in monoclinic system with space group P2₁/c, a=1.327 5(3) nm, b=0.930 39(19) nm, c=0.948 44(19) nm, β=108.21(3)°, and V=1.112 8(4) nm³, Z=2, R=0.025 2, wR=0.066 1. Each copper(Ⅱ) atom is five-coordinated by three O atoms and one N atom from two different EDTA^4- groups and one N atom from 3-PyOH ligand, forming a distorted square-pyramidal coordination geometry. Two adjacent copper(Ⅱ) atoms are bridged by the bis-tetradentate EDTA^4- groups, constructing a two-dimensional layer structure along bc plane. The adjacent Cu…Cu distances are 0.502 5(3) and 0.611 3(3) nm. CCDC: 618806.     

“风车状”双核镉配合物[Cd2(3-PyOH)4(FBA)4]的合成、晶体结构及热稳定性

A dinuclear cadmium complex, [Cd₂(3-PyOH)₄(FBA)₄] (FBA^-=4-formylbenzoate monoanion, C₈H₅O₃, 3-PyOH=3-hydroxypyridine), was synthesized and characterized by the element analysis, IR, TG and single crystal X-ray diffraction. Each cadmium(II) ion is six-coordinated by four O atoms from three different FBA^- groups and two N atoms from two different 3-PyOH ligands, giving a distorted octahedral geometry. The two cadmium(II) atoms are bridged by two FBA- groups, with the Cd…Cd distances being 0.392 8(6) nm. In addition, there are two kinds of π-π stacking interactions between the two adjacent parallel 3-PyOH ligands in the title complex, with the Cg…Cg (Cg is the centroid of the above rings) distances of 0.361 0(5) and 0.385 2(6) nm, respectively. A two-dimensional supramolecular layer structure is constructed by intermolecular hydrogen bonds between the carboxyl O atoms of the FBA^- groups and the 3-PyOH ligands in ab plane. CCDC: 619649.     

配合物[Cu(HPHAc)2(py)2](H2PHAc=苯羟乙酸，py=吡啶)的合成和晶体结构

The novel copper(Ⅱ) complex with α-hydroxyphenylacetic acid (H₂PHAc) and pyridine (py) ligands, [Cu(HPHAc)₂(py)₂], has been synthesized and characterized by elemental analysis and IR spectroscopy. Its crystal structure was determined by single crystal X-ray diffraction techniques. The crystal belongs to monoclinic with space group C2/c. The cell parameters are: a=1.712 5(3) nm, b=1.533 2(2) nm, c=0.963 42(14) nm, β=111.866(2)°, V=2.347 6(6) nm³, and D_c=1.483 Mg·m^-3, Z=4, F(000)=1 084. The structure was refined to final R₁=0.071 4, wR₂=0.166 1. The complex has a six-coordinated distorted octahedral geometry, in which copper(Ⅱ) ion coordinates with two carboxylic oxygen atoms and two hydroxyl oxygen atoms from the two α-hydroxyphenylacetic acid ligands, two nitrogen atoms from the two pyridine ligands. The analysis of the crystal structure indicates that the complex has a one-dimensional chain structure, which is formed by intermolecular hydrogen bonds. CCDC: 255346.     

[COH(NH2)2]2[Cu(pic)2(ClO4)2]的合成与晶体结构

The title compound was synthesized by reaction of Cu(ClO₄)₂， picolinic acid and carbamide in C₂H₅OH/CH₃CN solution， and characterized by single-crystal X-ray diffraction. It crystallizes in the orthorhombic system， space group Pbca with a=14.0481(8)， b=9.0130(5)， c=18.626(1)?， V=2358.3(2)?³， Z=4， D_x=1.771g·cm^-3， μ=1.235mm^-1 and F(000)=1276. The final R factor is 0.0440 for 1434 observed reflections. The X-ray analysis revealed that the copper(Ⅱ) atom is coordinated by two picolinic ligands in the equatorial plane， while the two oxygen atoms of perchlorate occupy the axial positions of octahedron with lengthened Cu-O distances， resulting in a 4+2 elongated octahedral environment. In the compound， there also exist two protonated carbamide cations for charge balance. CCDC： 195354.     

一维链状镉(Ⅱ)配位聚合物{[Cd(PAc)2(4，4′-bipy)(H2O)]·4H2O}n的合成、晶体结构及热稳定性研究

A novel one-dimensional coordination polymer, {[Cd(PAc)₂(4,4-bipy)(H₂O)]·4H₂O}_n (HPAc=phenyl acetic acid, 4,4′-bipy=4,4′-bipyridine) was synthesized and characterized by element analysis, IR, TG and X-ray single diffraction crystal structure determination. It crystallizes in the monoclinic space group C2/c with a=2.088 5(4) nm, b=0.839 05(17) nm, c=1.683 5(3) nm, β=105.45(3)° and V=2.843 5(10) nm³, Z=4, M_r=628.94, F(000)=1 288, μ=0.820 mm^-1, R=0.019 9, wR=0.056 5. Each cadmium(Ⅱ) atom is seven-coordinated by four oxygen atoms from two different phenyl acetate groups and two nitrogen atoms from two 4,4′-pyridine ligands and one water molecule, forming a distorted pentagonal bipyramid coordination geometry. Adjacent cadmium(Ⅱ) atoms are bridged by 4,4′-pyridine ligand, constructing a infinite chain along the diagonal direction of ac plane. The Cd…Cd separation within the polymer is 1.164 6(4) nm. The three-dimensional supramolecular structures of the title complexes are constructed by hydrogen bonding interactions and π-π stacking interactions between the benzene rings of HPAc and 4,4′-bipy. CCDC: 616697.     

氢键构筑具有三维结构的配合物[Cu(N-phthgly)2(H2O)2]·C2H5OH的合成及晶体结构

A copper(Ⅱ) complex [Cu(N-phthgly)₂(H₂O)₂]·C₂H₅OH(N-Hphthgly=N-phthaloylglycine) has been synthesized and characterized by elemental analysis, infrared spectroscopy and X-ray crystallography. The complex crystallizes in triclinic space group P1 with a=0.472 90(7) nm, b=1.080 01(13) nm, c=1.154 02(15) nm, α=74.360 0(10)°, β=79.151 0(10)°, γ=87.918(2)°, V=0.557 37(13) nm³, Z=1. The central copper atom allows the formation coordination environment with two O(5) atoms of two water ligands and two O(1) atoms of two N-phthgly ligands. The complex forms a step-like 3D structure through the three types of O-H…O hydrogen bonds and the Cu…O weak interaction. CCDC: 712945.     

配合物[Cu(NPA)2(Im)2(H2O)]·H2O的合成、晶体结构及电化学性质

A novel copper(II) complex [Cu(NPA)₂(Im)₂(H₂O)]·H₂O has been synthesized (NPA=N-phenylanthranilic acid and Im=imidazole) and characterized by IR, elemental analysis and X-ray single crystal diffraction methods. It Crystallizes in Triclinic system, space group P1 with a=0.987 9(2) nm, b=1.075 7(3) nm, c=1.559 7(5) nm, α=104.18(10)°, β=108.14(10)°, γ=92.69(10)°, V=1.513 39(7) nm³, Z=2, D_c=1.447 g·cm^-3, F(000)=684, R₁=0.028 0, wR=0.083 1. The Cu(II) ion in the title complex is coordinated with two oxygen atoms from two N-phenylanthranilic acid in monodenate mode, two nitrogen atoms form two imidazole, and one oxygen atom from water, forming a distorted square-pyramid coordination geometry. CCDC: 638653.     

异双桥二维镍(Ⅱ)配位聚合物 ∞2[Ni(μ-4，4′-bpy)2/2(μ-L)4/2](HL=2-indolyl-formic acid)的水热合成和晶体结构

The allo-bisbridge 2D coordination polymer _∞²[Ni(μ-4，4′-bpy)_2/2(μ-L)_4/2](HL=2-indolyl-formic acid) has been obtained by using hydrothermal synthesis, and the results of X-ray single crystal diffraction analysis show that the compound crystallizes in monoclinic system, space group C2/c (No.15) with a=2.300 2(5) nm, b=1.129 1(2) nm, c=0.974 0(2) nm, β=109.85(3)°, V=2.379 2(8) nm³, D_c=1.494 g·cm^-3, Z=4, F(000)=1 104, μ=0.860 mm^-1, R=0.032 2, wR=0.088 8. The crystal structure consists of the [Ni(μ-4,4′-bpy)_2/2(μ-L)_4/2] complex molecules, in which the Ni atom is octahedrally coordinated by two N atoms from two different 4,4′-bpy molecule ligands and four O atoms from four different L- anion ligands. TG analysis indicate that title coordination polymer possesses relatively high thermal stability. CCDC: 252833.     

一个新的双核锌配合物Zn2(dhaash)2(py)4的合成及晶体结构

The crystal of binuclear zinc complex Zn₂(dhaash)₂(py)₄ was obtained in DMF and pyridine, where H₂dhaash is 2,4-dihydroxy-5-acetylacetophenone-N-salicylhydrazone. It has been characterized by IR, UV, element analysis and X-ray single crystal diffraction. The crystallographic data were as follows: monoclinic system, space group P2₁/c, a=1.108 98(11) nm, b=1.640 84(16) nm, c=1.445 14(14) nm, β=108.617(2)°, Z=2, V=2.492 1(4) nm³, D_c=1.466 g·cm^-3, M_r=1 099.74, μ=1.031 mm^-1, F(000)=1 136 and the final R=0.044 8 and wR=0.105 8 for 4 143 observed reflections with I≥2σ(I), respectively. The X-ray crystal structure analysis revealed that, in the centrosymmetric binuclear complex molecule, two zinc(Ⅱ) centers are linked by two oxygen atoms (O(3) and O(3A)), respectively. Zn(1)…Zn(1A) distance is 0.314 81(6) nm, O(3)…O(3A) distance is 0.270 4(2) nm. Every zinc(Ⅱ) ion has an elongated octahedral coordination. For example, the two pyridine nitrogen atoms, one oxygen atom and one nitrogen atom from salicylhydrazone, one oxygen atom from 2,4-dihydroxy-5-acetylacetophenone in one dhaash^2- ligand and one oxygen atom from 2,4-dihydroxy-5-acetylacetophenone in another dhaash^2- ligand coordinated to zinc(Ⅱ) ion, respectively. Two zinc(Ⅱ) ions and all the 72 non-hydrogen atoms in the two dhaash^2- ligands are in the same plane. CCDC: 261929.     

一种新颖1D链状聚合物[Ni(acac)2(dadpm)]∞的合成与晶体结构

The title compound [Ni(acac)₂(dadpm)]_∞ (acac=acetylacetonate, dadpm=4,4′-diaminodiphenylmethane) was synthesized from Ni(acac)₂·2H₂O with dadpm in DMF. The structure was characterized by elemental analysis, IR spectroscopy, thermal analysis and single-crystal X-ray diffraction. X-ray analysis revealed that the central Ni atom is at a center of symmetry, and is octahedrally coordinated by four O atoms from two acac anions and two N atoms from two dadpm ligands. Each dadpm ligand, which has a two-fold axis passing through its methylene C atom, bridges two Ni atoms to form a 1D polymeric chain. Neighboring chains connect via H bonding interactions to generate a 2D network. It crystallizes in the monoclinic system, space group P2/c with a=0.556 79(7), b=0.896 06(12), c=2.187 3(3) nm, β=94.942(3)°, V=1.087 2(3) nm³, Z=2, D_c=1.390 g·cm^-3, F(000)=480, M_r=455.17, μ(Mo Kα)=0.924 mm^-1, R(F)=0.036 0, wR(F²)=0.101 0, S=1.013. CCDC: 254565.     

一维链状吡啶酮钙配位聚合物[Ca(μ-p-HPO)2(NO3)2]n的合成、晶体结构及热稳定性研究

A novel one-dimensional coordination polymer, [Ca(μ-p-HPO)₂(NO₃)₂]_n, (p-HPO=p-pyridone) was synthesized and characterized by the element analysis, IR, TG and X-ray single crystal diffraction. It crystallizes in the monoclinic space group C2/c with unit cell parameters: a=1.992 1(4) nm, b=0.374 96(7) nm, c=1.930 3(4) nm, β=109.21(3)°. V=1.361 6(5) nm³, Z=4, R=0.034 9, wR=0.084 4. The Ca atom is eight-coordinated by four O atoms from different p-pyridone ligands and four O atoms from two chelating nitrate anions, and displays a distorted square pyramidal coordination geometry. Each p-pyridone ligand bridges two adjacent Ca atoms, forming a infinite chain along the b direction. The Ca…Ca distance is 0.374 96(7) nm. A layer structure is further constructed by intermolecular hydrogen bonds and π-π interactions. The result of TG analysis shows that the title complex is stable under 185 ℃. CCDC: 241576.     

[Mn(H2O)(phen)2(PAc)](ClO4)的合成、红外光谱及晶体结构

The complex [Mn(H₂O)(phen)₂(PAc)](ClO₄) was synthesized and investigated by elemental analysis, molar conductivity, IR spectrum and X-ray diffraction methods, where phen=1,10-phenanthroline and PAc=phenylac-etate group. The complex crystallizes in the triclinic space group,P1 , with a=0.9289(2)nm,b=1.2425(2)nm,c=1.4791(3)nm,α=114.34(3)°,β=91.25(3)°,γ=104.65(1)°,V=1.4893(4)nm³,Z=2,F(000)=686,D_c=1.489g·cm^-3,μ=0.589mm^-1. The Mn(Ⅱ) ion has a six-coordinate distorted-octahedral geometry with the four nitrogen atoms of two phen ligands,a coordinated-water oxygen atom, and a carboxylate oxygen atom of PAc^-. There is π-π stacking interaction between two phen rings from two neighbor molecules.     

配合物[Co(phen)2(m-chlorobenzoic acid)2·(H2O)]·(H2O)2的水热合成、晶体结构电化学分析

The title complex has been synthesized with m-chlorobenzoic acid, 1,10-phenanthroline and cobalt perchlorate anhydrous in the solvent mixture of water and methanol. Crystal data for this complex: triclinic, space group P1, a=0.870 7(3) nm, b=1.284 4(4) nm, c=1.692 9(5) nm; α=75.430(5)°, β=77.562(5)°, γ=86.346(5)°, V=1.789 4(9) nm³, D_c=1.456 g·cm^-3, Z=2, F(000)=806. Final GooF=1.065, R₁=0.068 4, wR₂=0.127 5. The crystal stru-cture shows that the Cobaly ion is coordinated with four nitrogen atoms from two 1,10-phenanthroline molecules and two oxygen atoms from one m-chlorobenzoic acid molecule and one water molecule respectively, forming a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also reported. CCDC: 619087.     

甲酸桥联四核锰配合物[Mn4(O2CH)4(phen)8](ClO4)4·6H2O的水热合成和晶体结构

The title compound, [Mn₄(O₂CH)₄(phen)₈](ClO₄)₄·6H₂O(1), where phen=1,10-phenanthroline, was synthes-ized and its crystal structure was determined by X-ray diffraction structure analysis. The crystal is of monoclinic, space group P2/c with a=1.928 0(16) nm, b=1.297 0(11) nm, c=2.126 4(18) nm, V=5.242 2(8) nm³, Z=2, M_r=2 347.36, D_c=1.487 g·cm^-3, μ=0.659 mm^-1, F(000)=2 400, R_int=0.043 7, R=0.052 3, wR=0.118 6. The Mn atoms are octahed-rally coordinated by two O atoms of two ligands and four N atoms of two 1,10-phenanthroline molecules. The carboxyl group coordinates to Mn(Ⅱ) in the bridging bidentate mode. CCDC: 675520.     

一维双链4-氧-1(4H)-吡啶氮乙酸桥联铜配位聚合物[Cu(4-OPA)2]n的合成、结构及性能研究

A novel coordination polymer of [Cu(4-OPA)₂]_n (4-OPA^-=4-oxo-1(4H)-pyridineacetate anion) was synthesized and characterized by elemental analysis, IR, TG, fluorescence and X-ray single crystal diffraction. The title complex crystallizes in triclinic with space group P1, a=0.713 17(14) nm, b=0.739 81(15) nm, c=0.753 02(15) nm, α=91.46(3)°, β=109.14(3)°, γ=111.31(3)°. V=0.344 92(17) nm³, Z=1, R=0.028 6, wR=0.080 3. The Cu atom occupies an inversion site in an octahedral environment, defined by two carbonyl O atoms and four carboxyl O atoms from different 4-OPA^- ligands. Adjacent Cu(Ⅱ) atoms are bridged by the 4-OPA^- ligands, forming a one-dimensional double chain structure. The closest Cu…Cu distance is 0.850 6(3) nm. The results of TG and fluorescent analysis show that the title coordination polymer is stable under 262.8 ℃ and has two emission peaks at 422 and 484 nm. CCDC: 287038.     

一维链状铜配位聚合物[Cu(bpb)(PPh3)2]n·nClO4·nCH2Cl2·nH2O的合成、晶体结构与荧光性质研究

A coordination polymer of [Cu(bpb)(PPh₃)₂]_n·nClO₄·nCH₂Cl₂·nH₂O(bpb=1,4-bis(pyridine-3-aminome-thyl)benzene) has been synthesized and characterized by elemental analysis, IR, TG, PL and X-ray single crystal diffraction. The title complex crystallized in triclinic with space group P1, a=1.065 8(4) nm, b=1.542 4(6) nm, c=1.690 8(6) nm, α=80.11(10)°, β=76.00(10)°, γ=82.72(10)°, and V=2.646 5(17) nm³, Z=2, R=0.068 4. In the title complex, each Cu(Ⅰ) ion displays a distorted tetrahedron coordination configuration, defined by two N atoms from two different bpb groups, and two P atoms from PPh₃. Two adjacent Cu(Ⅰ) tetrahedron units are linked into a one-dimensional chain by the bpb ligands, which are further connected by hydrogen bonds to form a two-dimensional layer structure. Furthermore, the solid-state fluorescent property of the title complex was studied at room temperature. CCDC: 743417.     

配位聚合物[Mn(2，4，6-TMBA)2(H2O)3]n·2nH2O的水热合成和晶体结构

The title compound, [Mn(2,4,6-TMBA)₂(H₂O)₃]_n·2nH₂O(1), where 2,4,6-TMBA=2,4,6-trimethylbenzoic acid, was synthesized and its crystal structure was determined by X-ray diffraction analysis. The crystal is of monoclinic, space group C2/c with a=2.929 9(6) nm, b=1.036 4(2) nm, c=8.222 04(17) nm, V=2.494 7(9) nm³, Z=4, M=471.40, D_c=1.255 g·cm^-3, μ=0.571 mm^-1, F(000)=996, R_int=0.029 4, R=0.037 6 and wR=0.094 9. The Mn atoms are octahedrally coordinated by two O atoms of two ligands and four O atoms of water. The carboxyl group coordinates to Mn(Ⅱ) in the mode of monodentate, while the O atoms of water molecules coordinates in bridging mode. The complex shows a one-dimensional chain structure bridged by water molecules. CCDC: 297750.     

配合物[Cu2(m-MBA)4(2，2′-bipy)2(H2O)]·H2O的水热合成、晶体结构及电化学分析

A copper(Ⅱ) complex [Cu₂(m-MBA)₄(2，2′-bipy)₂(H₂O)]·H₂O with m-methylbenzoic acid (m-MBA), 2,2′-bipyridine (2,2′-bipy) and water molecule has been synthesized by means of hydrothermal way and characterized. Crystal data for this complex: monoclinic, space group C2/c, a=2.591 8(5) nm, b=1.414 2(3) nm, c=1.790 8(4) nm, β=131.80(3)°, V=4.893 3(17) nm³, D_c=1.379 g·cm^-3, Z=4, F(000)=2 104 , Final GooF=1.034, R₁=0.065 6, wR₂=0.197 6. The crystal structure shows that two neighboring copper(Ⅱ) ions are linked together by two bridging-chelating m-methylbenzoic acid groups, one bridging water molecule, forming a cage structure and the Cu(Ⅱ)-Cu(Ⅱ) bond distance is 0.366 7 nm. Each copper(Ⅱ) ion is coordinated with two nitrogen atoms of one 2,2′-bipyridine molecule and four oxygen atoms from three m-methylbenzoic acid molecules and one water molecule, repectiveley, forming a distorted octahedral coordination geometry. The cyclic voltammetric behavior of the Complex was also investigated. CCDC: 648619.     

一维链状钴配位聚合物{[Co(C4H4O5)(H2O)2]·H2O}n的合成与晶体结构

One dimensional chain cobalt coordination polymer has been synthesized with malic acid and cobalt(Ⅱ) chloride anhydrous, and characterized by the element analysis, IR, TGA and single crystal X-ray diffraction structure analysis. The title complex crystallizes in monoclinic system with space group P2₁, a=0.575 61(9) nm, b=0.905 86(14) nm, c=0.841 02(13) nm, β=105.350(2)°; V=0.422 88(11) nm³, Z=2, D_c=1.924 Mg·m^-3, μ=2.044 mm^-1, F(000)=250, and final R₁=0.029 3, wR₂=0.074 2. The crystal structure shows that the cobalt ion is coordinated with four oxygen atoms from two different malate molecules and two oxygen atoms from two water molecules respectively, forming a distorted octahedral coordination geometry. Two adjacent cobalt(Ⅱ) atoms are bridged by one malate groups in bis-monodentate mode, constructing a one dimensional chain structure along b axis, with the adjacent Co…Co distance being 0.530 9 nm. Moreover, the molecules are packed in three-dimensional supramolecular network though the intermolecular hydrogen bonds. CCDC: 704441.     

一维链状2-氧-1(4H)-吡啶乙酸桥联钙配位聚合物[Ca(2-OPA)2(H2O)2]n的合成、晶体结构及热稳定性研究

A novel coordination polymer of [Ca(2-OPA)₂(H₂O)₂]_n (2-OPA-=2-oxo-1(4H)-pyridineacetate anion) was synthesized and characterized by elemental analysis, IR, TG and single crystal X-ray diffraction. The title complex crystallizes in orthorhombic with space group Pna2₁, a=0.799 96(16) nm, b=0.823 77(16) nm, c=2.415 3(5) nm, V=1.591 6(6) nm³, Z=4, R=0.030 3, wR=0.070 0. The Ca atom is eight-coordinated by six O atoms of four 2-OPA^- ligands and two water molecules, and displays a dodecahedron coordination geometry. Each 2-OPA^- ligand bridges two adjacent Ca atoms, forming a infinite chain along the a direction. The Ca…Ca distance is 0.4102 2(8)nm. A two-dimensional supramolecular framework is further constructed by the hydrogen bonds and the weak π-π interactions. The results of TG analysis show the chain structure of the title complex was stable under 297.5 ℃. CCDC: 251669.