Synthesis and Crystal Structure of One－dimensional Chain Complexes [K （18－C－6） ]2[M （mnt）2] （M=Zn, Hg）

The reactions of 18-crown-6 with each of K2[M (mnt)2] (M=Zn, Hg; mnt = 1,2-dicyanoethene-1,2-dithiolate, C2S2 (CN)2^2-) were studied and novel complexes [K(18-C-6)]2[Zn(mnt)2] (1) and [K (18-C-6)]2 [Hg(mnt)2] (2) were characterized by elemental analysis, IR spectrum and X-ray diffraction analysis. Complex 1 displays a one-dimensional chain of [K(18-C-6)]2[Zn(mnt)2] bridged by K-O interactions between adjacent [K(18-C-6)]^ units. Complex 2 is also a one-dimensional chain of [K(18-C-6)]2[Hg(mnt)2] bridged by K…S weak interactions between adjacent [K(18-C-6)]^ and [Hg(mnt)2]^2-.     

Synthesis and Crystal Structure of Bis[（2,6—pyridinedicar—boxylato）（methanol）dibenzyltion（Ⅳ）]

A novel seven‐coordinate dimer bis[(2,6‐pyridinedicarboxylato)(methanol)dibenzyltin(IV)] was synthesized by the reaction of (PhCH₂)₃SnCl with 2,6‐pyridine dicarboxylic acid in 1:1 molar ratio in methanol solution. The structure was characterized by elemental analysis, IR and ¹H NMR spectra, and the crystal structure was determined by X‐ray single crystal diffraction analysis. The crystal belongs to monoclinic space group P2₁/n, a =0.96250(19) nm, b = 1.0947(2) nm, c = 1.9965(4) nm, β = 92.31(3)°, Z = 2, V = 2.1019(7) nm³, D_c = 1.574 g/cm³, μ = 1.248 mm^?1, F(000)=1000, R₁ = 0.0675, wR₂ = 0.0836. In the crystals of the complex, each tin atom is seven‐coordinated in a distorted bipyramidal structure.     

Crystal Structure of [Cd（pom）2Cl2]

ＣｒｙｓｔａｌＳｔｒｕｃｔｕｒｅｏｆ［Ｃｄ（ｐｏｍ）_２Ｃｌ_２］ＷｕＷｅｎ－Ｓｈｉ（ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｔｒｙ，Ｈｕａ－ｑｉａｏＵｎｉｖｅｒｓｉｔｙ，Ｆｕｊｉａｎ，Ｃｈｉｎａ，３６２０１１）ＤｏｎｇＭｅｉ－Ｂｉｎ；ＬｉＳｏｎｇ－Ｘｉａ...     

A Novel Organic—Inorganic Complex：Synthesis and Crystal Structure of [Ca（DMSO）5（H2O）]2 SiMo12O40

It is becoming a focus to synthesize and assemble organic-inorganic materials, especially, to synthesize charge-transfer complexes formed by polyoxometalate and organic donors. They have attracted much attention because such complexes are active in their electric, magnetic and optic properties1-4, many investigations about them have been done and some crystal structures of them were reported5-6. But, the disadvantage of these crystals is instability at room temperature. According to the view…     

Synthesis and Crystal Structure of [EDA][Ni（dmit）2]3

The crystal structure of the compound [EDA][Ni(dmit)2]3 (EDA=2-diethylamino-1,3-dithioanylium; dmit=1,3-dithiole-2-thione-4,5-dithiolate)C25H14NNi3S32, has been determined by single crystal X-ray diffraction at 300K. The crystal is triclinic with space group P, a=11.252, b=12.192(2), c=20.055(6) , α=108.127(2), β=106.287(8), γ=90.005(9)°; V=2498.3(3) 3, Z=2, Mr=1530.38, Dc=2.03(2) g/cm3. Final R and Rw values were 0.0603 and 0.0704, respectively. The structure consists of thick layers of stacked Ni(dmit)2 entities separated by EDA cations. This salt shows semiconducting behaviour with room temperature conductivity of 0.2 Scm-1 and activation energy of 0.11 eV.     

Synthesis and Crystal Structure of an Imino Nitroxide Complex [Cd（IM2py）2Cl2]

1 INTRODUCTION Nitroxide radicals including nitronyl nitroxide (NITR) and imino nitroxide (IMR) have been widely used as units in the synthesis of molecule-based magnetic materials, especially as ligands in their complexes with paramagnetic metals[1～11]…     

Synthesis and Crystal Structure of a New 2D Honeycomb—like Cadmium （Ⅱ） Complex with Tripodal Ligand

A new cadmium (II) coordination polymer, [Cd(TTTMB)₂]‐(SO₄) · 21H₂O, where TTTMB =1,3, 5‐tris (imidazol‐1‐yl‐methyl)‐2,4,6‐trimethylbenzene, was obtained by self‐assembly of tripodal ligand TTTMB with CdSO₄·2.7H₂O in acetonitrile, and characterized by X‐ray crystallography. The crystal data belongs to monoclinic space group C_c with cell parameters a = 1.16891(4) nm, b=2.06671(6) nm, c = 2.48185(7) nm, β = 97.8560(10)°, R = 0.0487, wR = 0.1211. The results of structure analysis indicate that each TTTMB ligand coordinates three metal atoms and in turn each Cd(II) atom with octahedral coordination geometry connects six nitrogen atoms of imidazole group from six different TTTMB ligands to produce a 2D honeycomb network structure. There are a lot of water molecules linked by hydrogen bonds and occupied the channels formed intra‐ and inter‐sheets.     

Two-dimensional Network Crown Ether Complex. Synthesis and Crystal Structure of 18-Crown-6 Complex: [K(18-C-6)]_2[Cd-(mnt)_2]

ＩｎｔｒｏｄｕｃｔｉｏｎＲｅｃｅｎｔｙｅａｒｓ ,ｃｏｏｒｄｉｎａｔｉｏｎｐｏｌｙｍｅｒｓｈａｖｅｂｅｅｎｒｅ ｃｅｉｖｅｄｍｕｃｈａｔｔｅｎｔｉｏｎｂｅｃａｕｓｅｏｆｔｈｅｉｒｉｎｔｅｒｅｓｔｉｎｇｐｈｙｓｉ ｃａｌｐｒｏｐｅｒｔｉｅｓｓｕｃｈａｓｅｌｅｃｔｒｉｃａｌｃｏｎｄｕｃｔｉｖｉｔｙ ,ｍａｇ ｎｅｔｉｓｍ ,ｎｏｎｌｉｎｅａｒｏｐｔｉｃａｌｐｒｏｐｅｒｔｉｅｓａｎｄｐｏｔｅｎｔｉａｌａｐｐｌｉ ｃａｔｉｏｎｓｉｎｓｅｐａｒａｔｉｏｎａｎｄｃａｔａｌｙｓｔ.1Ｔｈｅｍｏｄｕｌａｒａｐ ｐｒｏａｃｈ…     

三维网状冠醚配合物（Bu4N){[K(18-C-6)][Cd4(dmit)2(dmt)3]}的合成与结构

研究了18-冠-6（18-C-6）与KSCN，CdCl2.2.5H2O,(Bu4N2)[Zn(dmit)2] (dmit=4,5-dimercapto-1,3-dithiole-2-thione,C3S5^2-)的反应，生成的标题配 合物（1）通过元素分析，红外光谱，单晶X射线衍射进行了表征，配合物属单斜晶 系，空间群C2/c，晶体学数据：a=3.4780(7)nm,b=1.5170(3)nm,c=2.8440(6)nm,β =105.93(3)°,V=14.427(3)nm^3,Z=8,F(000)=7872,R1=0.0425,wR2=0.0739,配合物 由一个Bu4N^+阳离子和一个{[K(18-C-6)][Cd4(dmit)2(dmt)3]}-(dmt=4,5- dimercapto-1,2-dithiole-3-thione,C3S5^2-)配阴离子组成，{[K(18-C-6)[Cd4 (dmit)2(dmt)3]}-通过K…S，S…S弱相互作用形成三维网状结构。     

一维链状冠醚配合物[K(B18-C-6)]_2[M(SCN)_4](M=Pd,Pt)的合成与结构

合成了苯并18-冠-6（B18-C-6）与K_2[Pd(SCN)_4]生成的配合物[K（B18-C-6 ）]_(12) [Pd(SCN)_4] (1), [K(B18-C-6)]_2[Pt(SCN)_4] (2)和[K(B18-C-6)]_2 [Pt(SCN)_4]·C_2H_4Cl_2 (3),并通过元素分析、红外光谱、单晶X射线衍射进行 了表征。1和2为单斜晶系,空间群P2_l/n,晶体学数据：1, a = 1.00970(17) nm, b = 1.3157(2) nm, c = 1.7303(3) nm, β = 94.841(2)°, V = 2.2852(7) nm~3, Z = 2, F(000) = 1136, R_1 = 0.0257。3为三斜晶系,空间群P1,晶体学 数据：a = 0.95914(18) nm, b = 1.2137(2) nm, c = 2313(2) nm, α = 63.693 (2)°, β = 76.293(2)°, γ-1.2406(4) n~3, Z = 1 F(000)618,R_1 = 0.0366 。在固态,三个配合物相邻的两个[K（B18-C-6）]~+基团通过冠醚氧化原子与钾的 子的相边接而形成一维链状结构。     

Synthesis and Crystal Structure of One-dimensional Chain Complexes [K(18-C-6)]2[M(mnt)2](M=Zn, Hg)

IntroductionThe 1 ,2 - dicyanoethene- 1 ,2 - dithiolato anion isa bidentate ligand.It can form square- coplanarcomplexes with many transition metal ions and hasfound a lot of application in analytical chemistry,catalyst and biochemistry.In recent years,metalcomplexes containing mnt and its dithiolate analogligands have been extensively studied and have re-ceived considerable attention due to their potentialapplication in charge transfer and storage,molecu-lar metals,magnetic materials,supercon…     

[Na(DB18-C-6)(H2O)2][Na(DB18-C-6)(SCN)2]：Two-Di-mensional Network Complex Assembled by π-π Stacking Interactios,Hydrogen Bonds and Electrostatic Interactions

A novel two‐dimensional network dibenzo‐18‐crown‐6 (DB18‐C6) complex: [Na (DB18‐C‐6) (H₂O)₂] [Na (DB18‐C‐6) (SCN)₂] has been isolated and characterized by elemental, IR and X‐ray diffraction analysis. The crystal structure belongs to monoclinic, space group P2₁/c with cell dimensions a = 1.06178(7), b = 1.40243(8), c = 3.03496(19) nm, β = 90.4220(10)°, V = 4.5292(5) nm³, Z=4, D_calcd =1.351 g/ cm³, F(000) = 1936, R₁ = 0.0369, wR₂ = 0.0821. The most interesting feature in this structure is that complex cation and complex anion form a two‐dimensional network via τ‐τ stacking interactions, hydrogen bonds and electrostatic interactions.     

Synthesis, Structure and Characterization of Two-dimensional Network Copper Complex [Cu_3(nta)_2(azpy)_2(H_2O)_2]·6H_2O

ＩｎｔｒｏｄｕｃｔｉｏｎＣｒｙｓｔａｌｅｎｇｉｎｅｅｒｉｎｇｏｆｓｕｐｒａｍｏｌｅｃｕｌａｒａｒｃｈｉｔｅｃｔｕｒｅｓｓｕｓｔａｉｎｅｄｂｙｃｏｏｒｄｉｎａｔｅｃｏｖａｌｅｎｔｂｏｎｄｓｏｒｈｙｄｒｏｇｅｎｂｏｎｄｓｒｅｐｒｅｓｅｎｔｓａｒａｐｉｄｌｙｅｘｐａｎｄｉｎｇｆｉｅｌｄｔｈａｔｏｆｆｅｒｓｐｏ ｔｅｎｔｉａｌｆｏｒｄｅｖｅｌｏｐｍｅｎｔｏｆｎｅｗｃｌａｓｓｅｓｏｆｆｕｎｃｔｉｏｎａｌｓｏｌｉｄｓ .1,2 Ｔｈｅａｒｃｈｉｔｅｃｔｕｒｅｓｏｆｃｏｏｒｄｉｎａｔｉｏｎｐｏｌｙｍｅｒｓｃａｎｂｅ…     

Cation-π Interactions. Synthesis and Crystal Structure of Palladium Complex: [K(DB18C6)]2[Pd(SCN)4]

A novel Pd(II)-dibenzo-18-crown-6 (DB18C6) complex [K(DB18C6)]2[Pd(SCN)4] has been isolated and characterized by X-ray diffraction analysis. In the solid state, it displays a quasi-one-dimensional infinite chain of two [K(DB18C6)] + complex cations and a [Pd(SCN)4]2- anion bridged by K+-p interactions between adjacent [K(DB18C6)] + units.     

Crystallographic report: Thallium(18‐crown‐6) hexafluorophosphate, [Tl(18‐crown‐6)](PF6)

Thallium(18‐crown‐6) hexafluorophosphate was prepared and its structure was determined by X‐ray diffraction analysis. The Tl⁺ ion is surrounded by six oxygen atoms of 18‐crown‐6 and three fluorine atoms of , forming a sandwiched structure. If the three Tl–F interactions were considered significant, the coordination number in the title compound would be nine. Copyright © 2003 John Wiley & Sons, Ltd.     

Synthesis and Crystal Structure of Two One—dimensional Chain Copper Complexes [Cu（TTA）2（4,4‘’—azpy）] and [Cu（TTA）2（3,3‘’—azpy）

Two copper complexes [Cu(TTA)₂(4,4′‐azpy)] (1) and [Cu‐(TTA)₂(3,3′‐azpy)] (2) (HTTA = 1,1,1‐trifluoro‐3‐(2‐thenoyl)‐acetone, 4,4′‐azpy = 4,4′‐azobispyridine, 3,3′‐azpy = 3,3′‐azobispyridine) were synthesized and characterized. The crystal structures were determined by X‐ray diffraction analysis. The crystal 1 belongs to triclinic with space group P1 , a = 0.8515(2) nm, b = 0.9259(2) nm, c = 0.9468(2) nm, a = 66.126(9)°, β = 79.667(9)°, γ = 90.13(1)°, Z = 1, V = 0.6692(2) nm³, D_c = 3.425 g/cm³, γ = 2.113 mm^?1, F(000) = 694, R₁ = 0.0594, wR₂ = 0.1499. The crystal 2 belongs to monoclinic with space group P2₁/c, a = 1.0661(2) nm, b = 1.4296(3) ran, c = 1.0041(3) nm, β = 114.50(3)°, V = 1.3926(5) nm³, Z = 2, D_c = 1.646 g/ cm³, μ = 1.015 mm^?1, F(000) = 694, R₁, = 0.0535, wR₂ = 0.1113. In the crystals of complexes 1 and 2, the copper atoms have distorted octahedral symmetry. The two compounds possess very similar one‐dimensional linear chains linked through the rodlike 4,4′‐azpy ligands or 3,3′‐azpy ligands.     

Assembly of a New Cyano‐bridged 4f‐3d Dimer Sm(DMSO)4‐ (H2O)3Cr(CN)6 and Crystal Structure of [K3(18‐crown‐6)3‐(H2O)4]Cr(CN)6·3H2O

A new cyano‐bridged binuclear 4f‐3d complex Sm(DMSO)₄‐(H₂O)₃Cr(CN)₆ was synthesized and characterized by single crystal structure analysis. It crystallizes in monoclinic, space group P2₁ with a=0.9367(2) nm, b = 1.3917(3) nm, c = 1.1212(2) run, β = 99.88(3)° and Z = 2. In this binuclear complex, Sm atom is eight coordinated and linked to the Cr atom by a cyano bridge. The molecules packs to form 3D structure due to the hydrogen bonds among them. [K₃(18‐C‐6)₃(H₂O)₄]Cr(CN)₆·3H₂O (18‐C‐6 represents 18‐crown‐6‐ether) that was synthesized as a byproduct in the preparation of a Gd—Cr complex is also structurally characterized. Crystal data: triclinic, space group P‐l with a = 1.0496(7) nm, b= 1.1567(14) nm, c = 1.3530(13) nm, a = 94.15(9)°, β = 96.04(8)°, γ = 95.25(9)° and Z = l. [K₃(18‐C‐6)₃(H₂O)₄]‐Cr(CN)₆·3H₂O consists of ionic [K₃(18‐C‐6)₃(H₂O)₄]³⁺ and [Cr(CN)₆]^3‐ pairs, of which the [K₃(18‐C‐6)₃(H₂O)₄]³⁺ ion is a trinuclear duster connected by water, and K atoms are eight coordinated by eight oxygen atoms of one 18‐C‐6 and two water molecules.