Syntheses and Crystal Structures of Two Nickel（Ⅱ） Complexes [Ni（dmpzm）2（L）]Cl·nH2O（L = HCO2, OAc; n = 2, 3; dmpzm = 1,1＇-Methylenebis（3,5-dimethyl-1H-pyrazole））

Reactions of NiCl2-6H2O with dmpzm and formic or acetic acid at PH = 7 produced the two title compounds, [Ni（dmpzm）2（HCO2）]Cl·2H2O 1 and [Ni（dmpzm）2（OAc）]C2·H2O 2 （dmpzm = 1,1 ＇-methylenebis（3,5-dimethyl-lH-pyrazole））. 1 and 2 were characterized by elemental analysis, IR spectra, and thermogravimetric analysis. 1 crystallizes in the orthorhombic system, space group Pcca with a = 18.700（2）, b = 8.6843（9）, c = 18.098（2）A, V= 2939.1（5）A^3, Z = 4, Dc = 1.319 g/cm^3, T = 193 K, C23H37CINsNiO4, Mr = 583.75, F（000） = 1232, p（MoKa） = 0.792 cm^-1, S = 1.079, R = 0.0772 and wR = 0.1958 for 2265 observed reflections with I〉 2σ（I）. 2 crystallizes in the orthorhombic system, space group Pcca with a = 17.011（3）, b = 18.630（4）, c = 19.300（4）A, V = 6117（2）A^3, Z = 8, Dc = 1.337 g/cm^3, T= 193（2） K, C24H41C1N8NiO5, Mr = 615.79, F（000） = 2608, μ（MoKa） = 0.768 cm^-1, S = 1.059, R = 0.0518 and wR = 0.1109 for 5124 observed reflections with I 〉 2σ（I）. The Ni atoms in 1 or 2 are chelated by two dmpzm ligands and one formate or acetate anion, forming slightly distorted octahedral geometries. In the crystals of 1 or 2, intermolecular hydrogen bonding interactions result in the formation of 2D hydrogen-bonded frameworks.     

Synthesis and Crystal Structure of [Cu3(dmpzm)4(μ-1,3-dca)2(dca)4]·2H2O (dmpzm = 1,1·-Methylenebis-(3,5-dimethyl-1H-pyrazole), dca = dicyanamide)

The title compound, [Cu3(dmpzm)4(μ-1,3-dca)2(dca)4]·2H2O (dmpzm = 1,1'-methyle- nebis(3,5-dimethyl-1H-pyrazole), dca = dicyanamide) 1·2H2O, was synthesized via the reaction of CuCl2·2H2O with dmpzm and Na(dca), and characterized by elemental analysis and IR spectra. 1·2H2O crystallizes in the monoclinic system, space group C2/m with a = 13.578(3), b = 16.769(3), c = 14.769(3)(A),β=104.10(3)°, V = 3261.4(11)(A)3, Z = 2, Dc = 1.466 g/cm3, T = 153(2) K, C56H68N34O2Cu3, Mr = 1440.09, F(000) = 1490, μ(MoKα) = 1.040 mm(1, S = 1.150, R = 0.0553 and wR = 0.1123 for 2744 observed reflections with I > 2σ(I). The central copper atom is chelated by two dmpzm ligands and coordinated by two bridging dca anions, forming a slightly distorted octahedral geometry. The two external copper atoms adopt a square-pyramidal coordination geometry, coor- dinated by one chelating dmpzm ligand and one bridging and two terminal dca anions. Two inter- molecular hydrogen bonding interactions result in the formation of a 2D (4,4) hydrogen-bonded network.     

Construction of a Novel 2D Polymer [Co（dmpzm）（dca）2]∞ from Reaction of a Mononuclear Complex [Co（dmpzm）Cl2] with Sodium Dicyanamide （dca） [dmpzm=bis（3,5-dimethylpyrazolyl）methane]

Reaction of COC12.6H20 with equimolar bis（3,5-dimethylpyrazolyl）methane （dmpzm） produced a mononuclear adduct [Co（dmpzm）Cl2] （1）. Treatment of 1 with sodium dicyanamide （dca） afforded a polymeric complex [Co（dmpzm）（μ-dca）2]∞ （2）. 1 and 2 were characterized by elemental analysis, IR spectra, thermogravimetric analysis and single-crystal X-ray diffraction. The cobalt atom in 1 adopts a distorted tetrahedral coordination geometry, bound to two N atoms of one dmpzm and two Cl atoms. Complex 2 has a 2D brick-wall network （extended along the bc plane） in which the { [Co（dmpzm）（μ-dca）]2} n^2n＋ chains are interconnected by pairs of μ-dca anions along the c axis. The magnetic properties of 1 and 2 were also investigated.     

Syntheses and Crystal Structures of Two Novel 1-D Metal Complexes with Dicyanamide： [Zn（pheen）（dca）2]n and [Cu（quin）2（dca）2]n

1 INTRODUCTION Polymeric transition metal complexes with di-cyanamide have attracted considerable attention because of their interesting coordination and phy-sical properties in recent years[1]. The dicyanamide is a versatile ligand coordinated to metal…     

Synthesis and Structure of [HOCH2CH2N（CH3）3]4[Cu4OCl10]

ＳｙｎｔｈｅｓｉｓａｎｄＳｔｒｕｃｔｕｒｅｏｆ［ＨＯＣＨ_２ＣＨ_２Ｎ（ＣＨ_３）_３］_４［Ｃｕ_４ＯＣｌ_（１０）］ＷｕＤｉｎｇ－Ｍｉｎｇ；ＨｕａｎｇＸｉａｏ－Ｙｉｎｇ；ＺｈｕａｎｇＨｏｎｇ－Ｈｕｉ（ＳｔａｔｅＫｅｙＬａｂｏｒａｔｏｒｙｏｆＳｔｒｕｃｔ?..     

Synthesis and Crystal Structure of a Dinuclear Compound Cu2[（O=PPh2）2N]2（μ-O2PPh2）2

1 INTRODUCTION Transition-metal complexes supported by poly-dentate phosphine ligands have been widely studieddue to the unique photophysical properties andpotential applications as industrial catalysts, mole-cular sensors and drugs[1~3]. As known, oxidation ofphosphine ligands could happen in the synthesisreaction to result in novel complex with unexpectedstructure[4, 5]. For example, the structure of complexFe((OPPh2)2N)3[6] is an octahedral tris-chelate arrange-ment of the oxidized a…     

一价铜配合物[Cu（C8H4F3O2S）（PPh3）2]的事成和晶体结构

室温下，铜粉和２－噻吩甲酰酰三氟丙酮，三苯基膦在甲醇和四氢呋喃混合溶剂中反应，生成一价铜的配合物［Ｃｕ（Ｃ８Ｈ４Ｆ３Ｏ２Ｓ）（ＰＰｈ３）２］，测定了该配合物的晶体结构，结果表明，晶体属单斜晶系，Ｐ２１／ｎ空间群晶胞参数：ａ＝１０．５８４（ａ），ｂ＝１６．７３８（１），ｃ＝２２．７２８（９）Ａ；β＝９４．２２（２）°，Ｖ＝４０１５．２ａ＾３，Ｍｒ＝７８５．２９，Ｚ＝４，Ｄｃ＝１．２９９ｇ／ｃｍ＾３，     

Synthesis and Crystal Structure of the Polymorphic Isomer [Cu（dafone）2（H2O）2]（Hphth）2

1 INTRODUCTION The metal-containing supramolecular frame- works can be constructed through coordinate cova- lent or supramolecular contacts such as hydrogen- bond and π-π stacking[1 ～ 3]. Extended networks possessing higher dimensionalities can be obtained by assembly of coordination polymers (or comple- xes) with lower dimensionalities via hydrogen bond interactions[4～13]. However, normally the higher di- mensional networks are generated by one-dimen- sional chains through hydrogenbo…     

Synthesis and Crystal Structure of [Mn（DPMT）2Cl2（H2O）2]

The title compound [Mn(DPMT)2Cl2(H2O)2] (DPMT = 1-[[2-(2,4-dichlorophenyl)- 1,3-dioxolan-2-yl]methyl]-1H-1,2,4-triazole) was synthesized by the reaction of MnCl2·4H2O and DPMT in ethanol solution and its structure was determined by single-crystal X-ray diffraction. The crystal belongs to monoclinic, space group P21/c with a = 23.913(4), b = 7.8883(13), c = 8.6291(14) , β = 95.816(3)o, V = 1619.4(5) 3, Z = 2, C24H26Cl6MnN6O6, Mr = 762.15, Dc = 1.563 g/cm3, μ = 0.950 mm-1, S = 1.045, F(000) = 774, R = 0.0462 and wR = 0.0981. The molecular structure is a centrosymmetric conformation, and two ligands are symmetrically located on both sides of the Mn atom. The manganese atom is surrounded by two nitrogen atoms from ligands, two chlorine atoms and two oxygen atoms from water molecules to form a slightly distorted octahedral geometry.     

Synthesis and Crystal Structure of Dichlorobis[N-（4-hydroxylsalicylidene）-3-dimethylaminopropylamine]Ni（II）

1 INTRODUCTION The chemistry of nickel complex with multi- dentate Schiff base ligands has attracted particular attention because this metal can exhibit several oxi- dation states[1]. Such complexes with different oxi- dation states play an important role in bioinorganic chemistry and redox enzyme systems[2], and many of them can provide the basis of models for active sites of biological systems or act as catalysts[3]. Nickel complexes with tetradentate N2O2 and tri- dentate N2O Schi…     

Synthesis and Crystal Structure of Cu2（pba）（bpy）2Cl2.4H2O

1　ＩＮＴＲＯＤＵＣＴＩＯＮＴｈｅｃｏｏｒｄｉｎａｔｉｏｎｃｈｅｍｉｓｔｒｙｏｆｍｕｌｔｉ ｓｕｂｓｔｉｔｕｔｅｄｏｘａｍｉｄｅｓｉｓｏｆｉｍｐｏｒｔａｎｃｅｔｏａｗｉｄｅｖａｒｉｅｔｙｏｆｃｈｅｍｉｃａｌ[1 ] ,ｂｉｏｌｏｇｉｃａｌ[1 ] ａｎｄａｐｐｌｉｅｄｓｙｓｔｅｍｓ[2 ,3] .Ｔｈｅｍａｇｎｅｔｉｃ[4,5]ａｎｄｓｐｅｃｔｒｏｓｃｏｐｉｃ[6 ,7] ｐｒｏｐｅｒｔｉｅｓｏｆｔｈｅｏｘａｍｉｄｅｃｏｍｐｌｅｘｅｓａｒｅｖｅｒｙｉｎｔｅｒｅｓｔｉｎｇ .Ａｌｏｔｏｆｍｏｎｏｎｕｃｌｅａｒａｎｄｂｉｍｅｔａｌｌ…     

Synthesis and Crystal Structure of Trans-4-[ （5-（ 2,4-Dichlorophenoxy）-3-methyl-1-phenyl-1H-pyrazol-4-yl）methyleneamino]-1,5-dimethyl-2-phenyl-l,2-dihydropyrazol-3-one

The title compound trans-4-[（5-（2,4-dichlorophenoxy）-3-methyl- 1-phenyl-1H-pyrazol-4-yl）methyleneamino]- 1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one 3 （C28H23Cl2N5O2, Mr = 532.41） has been synthesized and its crystal structure was determined by single-crystal X-ray diffraction analysis. It crystallizes in triclinic, space group P1- with a = 8.9438（4）, b = 11.6065（5）, c = 14.2215（6）A, α = 112.566（1）, β = 92.324（2）, γ = 102.91（1）°, V= 1315.65（10） A^3, Z = 2, Dc = 1.344 g/cm^3,μ（MoKa） = 0.282 mm^-1, λ = 0.71073 A, F（000） = 552, the final R = 0.0587 and wR = 0.1578 for 5071 observed reflections （I 〉 2σ（I））. X-ray analysis reveals that the product is a thermodynamically stable trans isomer. Intra- and intermolecular C（ 12）-H（12）…O（1） and C（28）-H（28）...O（1）# 1 hydrogen bonds were observed in the title compound.     

Synthesis and Crystal Structure of a One-dimensional Ladder-like Complex [Cu2（L）（dca）2]n （dca = [N（CN）2]^-, L = 1,4-Bis（3-furanyl）-2,3-diaza-1,3-butadiene）

A new Cu（I）-dicyanamide with formula [Cu2（L）（dca）2]n （dca = dicyanamide anion, L = 1,4-bis（3-furanyl）-2,3-diaza-1,3-butadiene） has been synthesized and structurally characterized. The complex crystallizes in the monoclinic system, space group P21/n with a = 9.271（2）, b = 7.7355（16）, c = 11.967（3）A,β = 102.693（3）°, V= 837.3（3）A^3, Z = 4, Mr = 223.68, Dc = 1.775 g/cm^3,μ（MoKa） = 2.567 mm^-1, F（000） = 444, R = 0.0782 and wR = 0.2582 for 951 observed reflections （I 〉 2σ（I））. Single-crystal X-ray analysis reveals that the copper atom is three-coordinated by two nitrogen atoms from two dicyanamide anions and another one from the ligand, and each copper atom is connected by two [N（CN）2] anions to form an infinite double-stranded bridge fashion leading to 1D ladder-like motifs.     

Crystal Structure of catena-[（Tetrakis-μ2-acetato-μ2-4,4＇-bipyridine） dicopper（Ⅱ）] Acetonitrile Solvate

1 INTRODUCTION Much attention has been paid to 1D, 2D and 3D coordination polymers because they can meet the need of functional materials with desired structures and properties[1～5]. One strategy in the design and synthesis of coordination architectures is the buil- ding-block approach. Commonly, bi- or multidentate organic ligands containing N[6, 7] or O[8, 9] atoms have ever been used in the construction. In our cur- rent work, we have selected melamine ligand as the main building bl…     

Synthesis and Crystal Structure of Dinuclear Copper Complex[Cu（CH2O（C6H4）N=C（C6H4）O）（Py]2

1 INTRODUCTION Synthesis of transition metal complexes with Schiff-base has been a subject of considerable importance [1,2]. They are not only good complexing agents for Schiff-base, but also good bactericide and antitumour agent [3,4]. At present, there is a spectacular growth in this field. Recently, some bridged binuclear complexes have received much attention on account of their biological relevance and condensed-phase magnetic properties[5,6]. Especially, the complexes containin…     

Synthesis and Crystal Structure of （Et4N）2[Pd2（mp）2（mpH）2]

ＳｙｎｔｈｅｓｉｓａｎｄＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆ（Ｅｔ_４Ｎ）_２［Ｐｄ_２（ｍｐ）_２（ｍｐＨ）_２］ＳｈｉＪｉ－Ｃｈｅｎｇ；ＨｕａｎｇＸｉａｏ－Ｙｉｎｇ；ＷｅｎＴｉｎｇ－Ｂｉｎ；ＤｅｎｇＹｕ－Ｈｅｎｇ；ＣｈｅｎｇＣｈａｎｇ－Ｎｅｎｇ；Ｌｉ?..