Synthesis and Electrochemical Properties of a New Tetraazamacrocyclic Complex of Silver (Ⅰ)

A novel silver (Il) complex AgL(ClO4), containing a tetraazamacrocyclic ligand hasbeen synthesized. Its electrochemical behavior was studied by cyclic voltammetry.

Synthesis,Crystal Structure and Electrochemical Properties of a Cadmium(Ⅱ) Complex with α-Furoic Acid and 1,10-Phenanthroline

A new cadmium complex [Cd（phen）3]·（ClO4）2·（α-FRA）-（H2O）3 was prepared by self-assembly of α-furoic acid, 1,10-phenanthroline （phen）, and cadmium perchlorate. It crystallizes in the monoclinic system, space group P21/n, with a = 1.28130（15）, b = 2.5957（3）, c = 1.35449（16） nm, β = 109.395（2）°, V = 4.2492（9） nm^3, Dc = 1.491 g/cm^3, Z = 4, F（000） = 1926, GOOF = 1.023, the final R = 0.0729 and wR = 0.2086. The crystal structure analysis indicates that the cadmium ion is coordinated with six nitrogen atoms from six 1,10-phenanthroline molecules, giving a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex was also investigated.

Hydrothermal Synthesis,Crystal Structure and Electrochemical Properties of Complex Cu(α-Furacrylic acid)_2(phen)

The title complex （C26H18CuN206, Mr= 517.96） has been synthesized by the reaction of α-furanacrylic acid with 1,10-phenanthroline （phen） in the solvent mixture of water and methanol. Crystal data： monoclinic, space group C2/c with a = 2.2927（4）, b = 1.01248（18）, c = 1.05061（18） nm, β = 111.188（3）°, V= 2.274（7） nm^3, Dc = 1.513 g/cm^3, Z = 4, F（000） = 1060,μ = 1.007mm^-1, R = 0.0320 and ωR = 0.0781. The crystal structural analysis shows that the copper atom is coordinated with four oxygen atoms from two α-furacrylic acids and two nitrogen atoms from 1,10-phenanthroline, giving a distorted octahedral coordination geometry. The result of electrochemical analysis shows that the electron transfer in the electrode reaction is quasi-reversible.

Hydrothermal Synthesis, Crystal Structure and Electrochemical Properties of the Complex Cu(o-Methylbenzoic acid)_2(2,2′-bipy)·(H_2O)

The title complex （C26H24CuN2O5, Mr = 508.01） has been synthesized by o-methylbenzoic acid, 2,2＇-bipyridine （bipy） and copper perchlorate in the mixed solvent of water and methanol. It crystallizes in orthorhombic, space group P212121 with a = 0.70814（10）, b = 1.6953（3）, c = 1.9539（3） nm, V= 2.3457（6） nm^3, De= 1.439 g/cm^3, Z = 4,μ = 0.971 mm^-1, F（000） = 1052, R = 0.0432 and wR = 0.0860. The structural determination shows that the copper atom is coordinated by three oxygen atoms from two o-methylbenzoic acids and one water molecule together with two nitrogen atoms from 2,2＇-bipyridine, giving a distorted square-pyramidal coordination geometry. The cyclic voltammetric behavior of the complex is also discussed.

Hydrothermal Synthesis and Electrochemical Properties of Complex Cu(CH_3C_6H_4COOH)_2(2,2′-bipy)·(H_2O)

The title complex has been synthesized by 4-methylbenzoic acid and 2,2′-bipyridine （bipy） in the mixed solvent of water and methanol. It crystallizes in the triclinic system, space group P1^- with a = 0.7047（3）, b = 1.1217（5）, c = 1.6718（7） nm, α = 103.826（7）, β = 90.772（6）, γ = 104.195（6）°, C26H25CuN2O5.50, Mr = 517.02, V = 1.2404（9） nm^3, Dc = 1.384 g/cm^3, Z = 2, F（000） = 536,μ（MoKα） = 0.921 mm^-1, R = 0.0782 and wR = 0.2172. Structural analysis shows that the copper atom is coordinated with three oxygen atoms from two 4-methylbenzoic acids and one water molecule together with two nitrogen atoms from 2,2＇-bipyridine, giving a distorted square-pyramid coordination geometry. The cyclic voltametric behavior of the complex has also been described.

Synthesis, Crystal Structure and Electrochemical Properties of Complex [Ni(2,2’-bipy)_2(ClC_6H_4COO)(H_2O)](ClO_4)

A new nickel（Ⅱ） coordination complex [Ni（2,2＇-bipy）2（ClC6H4COO）（H2O）]（ClO4） was synthesized by self-assembly reaction of m-chlorobenzoic acid, 2,2＇-bipy and Ni（ClQ4h·6H2O. The crystal of the title compound belongs to monoclinic system, space group P2（1/n） with a = 0.77764（14）, b = 2.6572（5）, c = 1.3637（2） nm, β = 96.456（3）°, V= 2.8000（9） nm^3, D,, = 1.528 g/cm^3, Z = 4, Mr = 644.10, μ（MoKα） = 0.937 mm^-1, F（000） =1320, R = 0.0549 and wR = 0.1164. Structure analysis shows that the nickel（Ⅱ） ion is coordinated with four nitrogen atoms from two bipys as well as two oxygen atoms from m-chlorobenzoic acid and water, respectively, giving a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex is also presented.

Hydrothermal Synthesis,Crystal Structure and Electrochemical Properties of the Copper(II) Complex [Cu_4O_4(phen)_4(ClC_6H_4COO)_2(H_2O)_2]·(H_2O)_3

The title complex of copper（Ⅱ） with m-chlorobenzoic acid, 1,10-phenanthroline （phen） and copper perchlorate has been synthesized and characterized in the solvent mixture of water and methanol. Crystal data for this complex： triclinic, space group PI^-, a = 1.06853（12）, b = 1.30740（16）, c = 1.49546（17） nm, α= 101.791（2）,β = 103.413（2）, γ = 105.815（2）°, V= 1.8736（4） nm^3, Mr = 904.67, Dc = 1.604 g/cm^3, Z = 2,/7（000） = 924,μ = 1.34 mm^-1, GOOF = 1.049, the final R = 0.0324 and wR = 0.0797. The structure analysis shows that a chair-like structure [Cu4O4] is defined by three quadrilaterals shaped by four copper and four oxygen atoms, and every copper ion is coordinated by three oxygen atoms from three wate： molecules and two nitrogen atoms from one 1,10-phenanthroline molecule, giving a distorted square-pyramidal coordination geometry. The CV analysis results indicate that the electron transfer in the electrode reaction is quasi-reversible.

Hydrothermal Synthesis, Crystal Structure and Electrochemical Properties of Complex Mn_2(phen)_2(p-CBA)_4(H_2O)

One novel complex Mn2（phen）2（p-CBA）4（H2O） has been hydrothermally synthesized from p-chlorobenzoic acid （p-CBA）, 1,10-phenanthroline （phen） and anhydrous manganese（Ⅱ） sulfate and then characterized. Crystal data for this complex： monoclinic, space group C2/c, with a = 2.3416（3）, b = 1.5604（2）, c =1.5605（2） nm, β = 121.048（2）°, V = 4.8849（12） nm^3, Dc = 1.510 g/cm^3, Mr = 555.26, Z = 8, μ = 0.798 mm^-1, F（000） = 2256, GOOF = 1.032, the final R = 0.0393 and wR = 0.0816. The crystal structure shows that two neighboring manganese（Ⅱ） ions are linked together by two bridge-chelating p-chlorobenzoic groups and one bridging water molecule, forming a cage structure with the Mn–Mn bond distance of 0.3512 nm. Each manganese（Ⅱ ） ion is coordinated by two nitrogen atoms of one 1,10-phenanthroline molecule and four oxygen atoms from three p-chlorobenzoic acid anions and one water molecule, giving a distorted octahedral coordination geometry. The cyclic voltammetric behavior of the complex was also investigated.

Hydrothermal Synthesis,Crystal Structure and Electrochemical Properties of Complex [Cd(phen)_3]·(ClO_4)_2·(p-MBA)_2·(H_2O)_2

One new cadmium complex [Cd（phen）3]·（ClO4）2·（p-MBA）2·（H2O）2 has been hydrothermally synthesized by reacting p-methylbenzoic acid （p-MBA）, 1,10-phenanthroline （phen） and cadmium perchlorate. It crystallizes in the triclinic system, space group P1, with a = 1.2809（3）, b = 1.3431（3）, c = 1.3734（3） nm, α = 84.259（4）, β = 71.603（3）, γ = 74.424（3）°, V= 2.1594（8） nm3, Do = 1.532 g/cm3, Z = 2, F（000） = 1008, μ= 0.697 mm^-1, R = 0.0646 and wR = 0.1648. The crystal structure shows that the cadmium ion is coordinated with six nitrogen atoms from three 1,10-phenanthroline molecules, forming a distorted octahedral coordination geometry. The result of electrochemical property analysis shows that the electron transfer in the electrode reaction is irreversible.

Synthesis,Crystal Structure and Electrochemical Properties of the Complex Cd(α-FRA)_2(Phen)(H_2O)

A new cadmium complex Cd（a-FRA）2（Phen）（H20） was synthesized by selfassembly reaction of a-furoic acid, phenanthroline （phen）, and Cd（NO3）2.4H2O. It crystallizes in monoclinic, space group P21/c, with a = 0.6799（2）, b = 1.7780（6）, c = 1.6866（6） nm, β= 94.912（6）°, V= 2.0315（12） nm^3, Dc = 1.742 g/cm^3, Z = 4, M, = 532.77, μ（MoKa） = 1.124 mm^-1, F（000） = 1064, R = 0.0411, wR = 0.0790. The structural analysis shows that the cadmium ion is coordinated with two nitrogen atoms from one phen molecule and four oxygen atoms respectively from two a-furoic acids and one water molecule, giving a distorted octahedral coordination geometry. The cyclic voltametric behavior of the complex was also discussed, which shows that the electrode process is irreversible in the electrode reactor.

Synthesis, Crystal Structure and Electrochemical Properties of [Ni(phen)_3]·(m-nitrobenzoic acid)_2·(H_2O)

A new nickel（Ⅱ） coordination complex [Ni（phen）a].（m-nitrobenzoic acid）2·（H2O） was synthesized by self-assembly of m-nitrobenzoic acid, 1,10-phenanthroline and nickelous perchlorate. It crystallizes in the monoclinic system, space group C2/c, with a = 2.4596（6）, b = 1.2124（3）, c = 1.9824（5） nm, fl = 97.088（5）°, V = 5.866（3） nm3, Dc = 1.474 g/cm3, Z = 4, Mr = 1301.82,μ（MoKa） = 0.417 mm^-1 F（000） = 2688, R = 0.0493 and wR = 0.1025. Structural determination indicates that the nickel（H） ion is coordinated with six nitrogen atoms from three phens, giving a distorted octaheclral coordination geometry. The cyclic voltametric analysis shows that the electron transfer in the electrode reaction is irreversible.

Crystal Structure, Spectroscopic Characterization, and Electrochemical and Thermal Stability Properties of a Dinuclear Nickel(Ⅱ) Complex

A new nickel（Ⅱ） complex Ni2（L）2（2,2＇-bipy）2·5.5H2O with methy-bicycle[2.2.1]hept-5-ene-2,3-dicarboxylic acid（H2L） and 2,2？-bipyridine（2,2＇-bipy） as ligands has been synthesized in the mixed solvent DMF and water（v：v = 5：2）. It crystallizes in the triclinic space group P1 with a = 10.414（2）, b = 12.884（3）, c = 16.176（4） A, α = 70.715（5）, β = 80.599（5）, γ = 77.383（6）°, V = 1989.4（8） A^3, Dc = 1.531 g/cm^3, Z = 2, F（000） = 958, GOOF = 1.028, the final R = 0.0808 and w R = 0.2036. The crystal structure shows that the whole molecule consists of two independent dinuclear units, in which two nickel ions are bridged by two μ2-η1：η0 3-carboxylate groups of L2- anions. The coordination environment of Ni（Ⅱ） ion is Ni N2O3, giving a distorted square pyramidal geometry. The thermal stability and electrochemical properties of the complex were investigated.

A Novel Copper(Ⅱ) Complex of Asymmetrically N-Functionalized 1,4,7-Triazacyclononane Ligand： Syntheses, Structure, Electrochemical Property and Biological Activities

A novel copper（Ⅱ） complex derived from 1,4,7-triazacyclononane[CuL]_2（PF_6）_3×MeCN×H_2 O was synthesized and crystallographically characterized {L = 1,4-bis（2-carbamoylethyl）-7-benzimidazole-2-yl-methyl-1,4,7-triazacyclononane}. It crystallizes in triclinic, space group P1, with a = 13.2425（13）, b = 14.0807（15）, c = 17.6798（18）, α = 86.296（2）, β = 72.773（2）, γ= 68.905（2）o, V = 2934.5（5）A^3, Z = 2, D_c = 1.611 g/m^3, F（000） = 1456, M_r = 1423.09, m = 0.920 mm^-1. The final R = 0.0671 and wR = 0.1874 for 6501 observed reflections with I 〉 2σ（I）. The structural analysis shows that the complex cation（[CuL]_2^3＋） was formed by two complex cations, namely（[CuL^3]^2＋） and [CuL_（-H）~3]~＋） through a hydrogen bond. In each complex cation, the Cu（Ⅱ） lies in a distorted square pyramidal geometry. The redox behavior was studied by cyclic voltammetry（CV） in aqueous solution which indicates a reversible one electron redox reaction. The result of UV absorption, ethidium bromide（EB） fluorescence spectra indicated that the complex binds to CT-DNA in an intercalative mode. Superoxide dismutase（SOD） activity of the complex was determined by photoreduction of NBT, and the value of IC_（50） is 5.22 μmol·L^-1.

Crystal Structure and Electrochemical, Fluorescent and Magnetic Properties of a New Complex [Ag(2,2ˊ-bipy)(C_(14)H_9O_3)]·(C_(14)H_(10)O_3)

A novel silver（I） complex [Ag（2,2ˊ-bipy）（C14H9O3）]·（C14H10O3） has been synthesized with 2-benzoylbenzoic acid as the ligand. Crystal data for the title complex： monoclinic, space group Cc, a = 27.4089（13）, b = 10.2897（5）, c = 12.0024（6）A, β = 111.864（4）°, Mr = 715.49, V = 3141.5（3） A3, Dc = 1.513 g/cm^3, Z = 4, μ（Mo Kα） = 0.694 mm^-1, F（000） = 1456, the final R = 0.0473 and w R = 0.1146. In the title complex, the central Ag（I） ion is located in a triangular coordination environment. The electron transfer is quasi-reversible in the electrode reaction and it shows a strong emission peak in the range of 495-520 nm under 502 nm excitation. In addition, it displays diamagnetic property from 3 to 300 K.

Synthesis, Crystal Structure and Properties of a New Binuclear Copper(Ⅱ) Complex with 5-Oxo-4-oxa-tricyclo[4.2.1.0]nonane-9-carboxylic Acid(TNCA)

A new binuclear copper（Ⅱ） complex [Cu2（Hpt）2（TNCA）2（H2O）2]·4 H2O（1） has been synthesized with copper acetate, 5-oxo-4-oxa-tricyclo[4.2.1.0]nonane-9-carboxylic acid（TNCA） and 3-（pyridin-2-yl）-1,2,4-triazole（Hpt）. It crystallizes in the triclinic space group P-1, with a = 8.8199（18）, b = 14.278（3）, c = 15.269（3） A, α = 76.21（3）o, β = 81.07（3）o, γ = 76.07（3）o, V = 1802.7（6） A3, Dc = 1.636 g/cm3, Z = 2, F（000） = 916, the final GOOF = 1.051, R = 0.0556 and wR = 0.1388. The whole molecule consists of two copper ions bridged by two μ2-η^1：η^0-3-（pyridin-2-yl）-1,2,4-triazole anions. The coordination environment of the Cu（1） ion is CuO2N3, giving a distorted square pyramidal geometry. 1 exhibits antiferromagnetic interaction between Cu（Ⅱ） ions, the electron transfer of 1 is irreversible in electrode reactions and the TG analysis shows that 1 is stable below 440 K.

Solvothermal Synthesis,Crystal Structure and Electrochemical Property of Complex [Co(p-MBA)_2(2,2′-bipy)(H_2O)]·(H_2O)

One novel complex [Co（p-MBA）2（2,2＇-bipy）（H2O）]·（H2O） has been synthesized by the reaction of p-methylbenzoic acid with 2,2＇-bipyridine in the solvent mixture of water and methanol. It crystallizes in triclinic, space group P1 with a = 0.70479（14）, b = 1.1211（2）, c = 1.6718（3） nm, α = 103.806（3）, β = 90.795（3）, γ = 104.207（3）°, V= 1.2399（4） nm^3, Mr = 512.41, De= 1.373 g/cm^3, Z = 2, F（000） = 532,μ = 0.733 mm^-1, R = 0.0432 and ωR = 0.0957. The crystal structural analysis shows that the cobalt atom is coordinated with three oxygen atoms from two p-methylbenzoic acids and one water molecule and two nitrogen atoms from one 2,2＇-bipyridine, forming a distorted square-pyramidal coordination geometry. The cyclic voltammetry behavior of the complex is also reported.

2-(1H-1，2，4-三氮唑)乙酸Cu(Ⅱ)配合物的水热合成、晶体结构及性质

A copper(Ⅱ) complex [CuL2] [L=2-(1H-1,2,4-triazol-1-yl)acetic acid] has been synthesized by means of hydrothermal method, and characterized by elemental analysis, IR spectra and X-ray diffraction. Crystal data for this complex: monoclinic, space group P21/n, a=0.481 3(2) nm, b=1.151 1(6) nm, c=0.993 9(5) nm, β=100.528(8)°, V=0.541 4(5) nm3, Z=2, F(000)=318, Dc=1.937 g·cm-3, Final GooF=1.109, R1=0.027 6, wR2=0.075 6. The crystal structure shows the copper(Ⅱ) atom is six-coordinated by two triazole nitrogen atom and four carboxylate group oxygen atom from four distinct L- ligand, thereby forming a 2D network structure. The cyclic voltammetric behavior of the complex was described.

超分子配合物Cd(Ⅱ)-o-ABA-邻菲咯啉的水热合成、晶体结构及电化学性质

超分子化合物是通过2个以上的物质经弱相互作用形成的有序分子聚集体 ．配位化合物中的许多弱化学键，如氢键、偶极、疏水缔合和芳环堆砌等是构筑超分子化合物的重要因素．作为无机新材料的超分子化合物，在光学、催化、磁性材料、导体和分子识别等领域具有广泛的应用前景。邻乙酰氨基苯甲酸是一种非常有用的有机化工原料，主要应用于农药、

2,4-二氯苯氧乙酸构筑的三核锌(Ⅱ)配合物的合成、晶体结构及性能分析(英文)

以2，4-二氯苯氧乙酸（HL）和2，2＇-联吡啶（2，2＇-bipy）为配体合成了一个三核锌（Ⅱ）配合物[Zn3L6（2，2＇-bipy）d。该配合物晶体属三斜晶系，空间群P1，晶胞参数：a=1．07385（6）nm，b=1．32958（7）nm，c=1．51580（10）nm，a=66．961000）°，β=69．3870（10）°，γ=72．992O（10）°V=1．83377（19）nm°，Dc=1．656g·cm^-3 Z=1，μ（Mo Kα）=1．483mm-1,F（000）=920，最终偏离因子R1=0．0306，wR2=0．0757。由于2，4-二氯苯氧乙酸根的桥联配位作用，配合物形成了三核结构。在该配合物的分子中。位于中间位置的锌（Ⅱ）离子的配位数是6，处于八面体配位环境中，而位于端位的2个锌（Ⅱ）离子的配位数都是5，处于三角双锥配位环境中。本工作还测定了标题配合物的磁性、荧光和电化学性能，结果表明：在28～300K范围内，配合物有抗磁性；当激发波长为664nm时．配合物在660nm附近有1个强的荧光发射峰：在循环伏安过程中配合物的电子转移是准可逆的．对应的电极反应是Zn（H）／Zn（O）。

3{1-[2-(-3-羟基-1-甲基-2-亚丁烯氨基)-苯亚氨基]-乙基}4-甲硫基-2,4-戊二烯-2-醇的不对称Schiff碱镍(Ⅱ)配合物的合成、结构和性质

由 5 -( 2 -乙酰基 -1 -甲硫基 -3-羰基 -亚丁基 ) -丙二酸亚异丙酯 ( 1 )与邻苯二胺及乙酸镍 ( )经一步反应合成了 3{ 1 -[2 -( -3-羟基 -1 -甲基 -2 -亚丁烯氨基 ) -苯亚氨基 ]-乙基 } 4 -甲硫基 -2 ,4 -戊二烯 -2 -醇 ( 3)的不对称四齿 Schiff碱镍 ( )配合物 ( 2 ) ,X射线衍射结果表明 ,配合物 2属单斜晶系 ,P2 1 / C空间群 . a=1 .1 4 76 ( 2 )nm,b=1 .1 782 ( 2 ) nm,c=1 .4 81 0 ( 3) nm;β=1 1 1 .73( 2 )°,V=1 .86 0 2 ( 7) nm3 ,Z=4 ,Rf=0 .0 5 35 .电化学 (循环伏安 )测定结果表明 ,该配合物在测定条件下 (阳极峰电位为 1 .1 V)发生了不可逆的氧化 -还原反应 .