Synthesis and Crystal Structure of Novel Dimer of Bismuth（Ⅲ） Complex with Dithiotetrahydropyrrolocarbamate： [Bi （S2CNC4H8）2 （NO3） ]2

IntroductionThe chemistry of organotin( ) dithiocarba-mate complexes has been extensively studied due totheir biological activities[1_ 7] .Up to date,a largenumber of transition- metal complexes with dithio-carbamate have been synthesized and structurallycharacterized,including Ni( S2 CNC4H8O) 2 [8] ,Cu( S2 CNC4H8) 2 [9] ,Zn2 ( S2 CNC4H8) 4 [9] andFe( S2 CNC4H8O) 2 ( DMF) [10 ] . However,the chem-istry of the main- group metal complexes withdithiocarbamate has been scarcely studie…     

Synthesis and Crystal Structure of the Mixed-quadriligand Bismuth Complex [Bi(S_2CNEt_2)_2(NO_3)]·[1,10-Phen]

1 INTRODUCTION Some reports on the syntheses and crystal struc-tures of organotin(IV) dithiocarbamate complexes haveappeared in the previous literatures[1～3], but the bis-muth(Ⅲ) complexes with dithiocarbamate have beenscarcely studied[4]. Due to the n…     

OXIDATION DECARBONYLATION OF NH_4[Mo(CO)_5I]: SYNTHE-SES AND CRYSTAL STRUCTURES OF CMo(S_2CNC_4H_8)_4]I_3 · C_7H_8 and Mo_2S_2O_2(S_2CNC4H_8)_2

<正> Both of the title complexes were produced by oxidative decarbony-lation of NH4 CMO (CO)5I]. The complexes CMo(S2CNC4H8)4]I3 ?C7H8(1) and Mo2S2O2 (S2CNC4H8)2(2) both crystallize in triclinic, space group P1 with cell dimensions for (1) : a=13. 554(4), b=13. 620(4), c= 13. 058 (4) A , α=95. 58 (3), β=105. 38(2), γ=115. 49(2)°,V = 2035(1) A3, Z=2, Dc=1. 89 g. cm-3, final R=0. 054 and Rw = 0. 062 for 2926 observed reflections; and for (2): a = 8.730(2), b=16.592(6), c = 6. 688(2)A, α=97. 67(3), β=98. 10(2), γ=80. 26(2)% V = 939. 2(5) A3, Z = 2, Dc = 2. 05 g. cm-3, final R = 0. 038 and Rw = 0. 046 for 2248 observed reflections. The Mo(V) atom is bonded to eight S atoms in distorted dodecahedron for (1). The Mo atoms in compound (2) are bridged by two S atoms and each Mo atom is coordinated by two S atoms from S2CNC4H8 and one O atom to form distorted tetragonal pyramid.     

Synthesis and Structure of a Mixed Phosphine- Thiolato Polymer with a Linear Chain Network [Ag_2(μ_2-dppe)_3 (S-mbo)_2]_n·2nDMF [dppe = 1,2-Bis (diphenylphosphino) ethane, Hmbo = 2-Mercaptobenzoxazole]

Diphosphino organochalcogenide metal complexes have been investigated presently fortheir possible use as anti-cancer agents[1-3]. However, the area of silver complexes withmixed phosphine-thiolato ligands has scarcely been touched[4]. As a heterocyclic thiolato ligand with potential S and N donors, 2 -mercaptobenzoxazole (Hmbo) is interesting because ofthe structural chemistry of its multifunctional coordination modes (unidentate-N, unidentateS or bidentate-N: S)[5-8]. Until now, Ag-mbo com…     

Syntheses and Crystal Structures of Molybdenum-Sulfur Clusters Mo_3S_4 (dtp)_3(o-CH_3OC_6H_4COO)(Py) and Mo_3S_4 (dtp)_3(p-HOC_6H_4COO)(DMF)·EtOH

1 INTRODUCTION Recent years have seen a drastic increase of compounds containing the Mo3S4 core. A major synthetic route to these compounds is by the reaction of the aqua ion [Mo3S4(H2O)9]4+ with different kinds of ligands replacing some or all of the water molecules. In this way, Mo3S4(dtp)4(H2O), which was synthesized by the spontaneous- assembly method in 1986[1] and its structural characterization and chemical reactivity have been well recognized [2], can be rationally synthesize…     

Synthesis and Crystal Structure of Bridging Complex [Cu_2(bipy)_2·OAc·Cl·OH]·TsTausH·3H_2O

1 INTRODUCTION The binuclear complexes have been widely studied in many fields, such as catalysis, semi- conductor and bioinorganic chemistry because of their rich physical and chemical properties[1～4]. The complexes with N-P-tolysulonyl--amino acids ha…     

Preparation,Characterization and Thermal Decomposition Kinetics of the Complexes [Dy(p-NBA)_3Phen]_2·3H_2O and [Dy(m-NBA)_3Phen]_2·4H_2O

The title complexes [Dy(p-NBA)3Phen]2·3H2O(I) and [Dy(m-NBA)3Phen]2·4H2O(Ⅱ) were synthesized, in the two molecular formulas of which NBA is nitrobenzoate and Phen is 1,10-phenanthroline. The characterizations of the complexes were carried out by means of elemental analysis, UV, IR, XRD and molar conductivity. The thermal decomposition of the two complexes were studied under the non-isothermal condition by DSC, TG-DTG and IR methods in detail. The kinetic parameters of the dehydration process were also obtai...     

Syntheses, Spectroscopic Properties and Crystal Structures of （2-Cl-C6H4CH2）3SnS2CN（C5H10） and （2-Cl-C6H4CH2）3SnS2CN（C4H9N）

1 INTRODUCTION The chemistry of organotin(IV) complexes was extensively studied due to their biological activity and coordination chemistry[1～7]. More recently, phar- maceutical properties of alkyltin(IV) complexes with dithiocarbamate ligands have bee…     

Synthesis and Crystal Structure of a Copper(II) Complex with α-Hydroxylated Acid, [Cu(C_(14)H_8O_3)(C_5H_(13)NO)(H_2O)].0.5H_2O

1 INTRODUCTION There has been considerable interest of copper(II) -hydroxylate complexes in the structural chemistry and biochemistry. There are two structural types in copper(II) -hydroxylate com- plexes: mononuclear[1~6] and dinuclear structure[7~9]. The present work is a part of our study on the copper complexes of -hydroxylated acid and reports the synthesis and structure of a mononuclear copper(II) complex with 9-hydroxy- fluorene-9-carboxylato acid, [Cu(C14H8O3)(C5H13- NO)(H…     

Hydrothermal Synthesis,Crystal Structure and Fluorescent Property of a Novel Mo(V) Phosphate [Zn(Mo~v_6P_4O_(31)H_(10))_2(C_4H_(14)N_3)_2]·2C_4H_(13)N_3·8H_2O

1 INTRODUCTION Hydrothermal synthesis of Mo(V) phosphates has allowed various structures, all characterized by the presence of identical clusters with the composition Mo12MP8X62 (X = O, OH) to be stabilized[1～6]. Many Mo(V) phosphates with such clusters have been iso- lated to date. The first compound was discovered by Haushalter and Lai[1] for M = Na with the formula (PPh4)2[(H3O)2NaMo6P4O24(OH)7]?5H2O. Recently, a second type of structure has been observed for M = Na (Na8(…     

STRUCTURAL CHEMISTRY OF EIGHT-COORDINATE COMPLEXES OP MNTHANOID WITH BIDBNTATE LIGANDS IV.CRYSTAL STRUCTURES OF [C_4H_8OH] [Eu(S_2CNC_4H_8)_4]·xC_4H_8O(x=2,0)

<正> Compound [C4H3OH][Eu(S2CNC4H3)4].2C4H8O(I), Mr=953,80,monoclinic, P21/n,a = 11,332(3), b= 22,837(5), c= 15.671(2)A,β= 94.93(1)°, V= 4040.2 A3,Z= 4,Dc = 1.567 g/cm3. [C4H8OH][Bu(S2CNC4H8)4] (2),Mr=809.72, monoclinic,P 21/c,a= 12.184(2), b= 15.181(3), c= 18.334(3)A,β=98.57(1)°,V=3353,3 A3,Z = 4, Dc= 1.605 g/cm3. The Eu atom in the anions of 1 and 2 is coordinated by eight S atoms frow four S2CNC4H8 chelate groups in the form of a dodecahedron with approximate D2d symmetry.     

Synthesis and Crystal Structure of Cubane—typeMolybdenum Cluster ComplexMo4S4（DTP）4[μ—SOP（OEt）2]2

1 INTRODUCTION Trinuclear molybdenum complexes with Mo3(3-S)(-O)n(-S)3n (n = 0~3) cores have been extensively studied on their diversified reactions towards various organic ligands and many metals. Many derivatives with Mo3S4 core have been rationally synthesized from the cation precursor [Mo3S4(H2O)9]4+ and its neutral derivative Mo3(3-S)(-S)3(DTP)4(H2O)[1]. However, due to their structural lability, complexes with Mo3(3-S)(-O)n(-S)3n (n = 1~3) cores have been reported limitedl…     

Characterization and Crystal Structure of Bis(N'-ethyl-N-piperazinly-carbodithioato-S,S') Nickel(II) Complex:Ni(S_2CNC_4H_8NC_2H_5)_2

1 INTRODUCTION The ability of dialkyldithiocarbamate anion, -S2- CNR2 (dtc) ligand, to bind metal has been known for many years[1, 2]. It forms a chelate with virtually all transition elements and is proven to be a versatile chelating agent for the separation and extract of metals in analytical chemistry and mineral floa- ting[3～5]. Water soluble dialkyldithiocarbamate com- plexes have been tested in various medical appli- cations[6]. Some of substituted dithiocarbamate salts also show …     

Syntheses and Crystal Structures of Sm(OAr)+2(THF)+3·THF and Sm(OAr)_2(DME)_2 (Ar =C_6H_2-tert-Bu_3-2,4,6)

1 INTRODUCTION The chemistry of divalent lanthanocenes has de- veloped rapidly. Attempts to extend the chemistry beyond the traditional realm of the lanthanocenes have led to the syntheses and structural characteri- zations of a number of lanthanide (II) complexes bearing various ligand systems. Aryloxide ligands have been attractive for their strong bonds with lan- thanide atoms and readily steric modification by the choice of substituents. A series of divalent lantha- nide aryloxides …     

Synthesis and Crystal Structure of [Cis-1,10phenanthroline-palladium(Ⅱ)(THF)_2]dinitrate (THF = Tetrahydrofuran)

1 INTRODUCTION The coordination chemistry of Pd(Ⅱ) com- plexes with didentate nitrogen coordination ligands has been extensively studied for a few decades[1]. Pd(Ⅱ) trends to bond to the didentate nitrogen in cis-mode and such complexes have potential usage in the emerging area of self-assembly[2]. We will report herein the synthesis and crystal structure of a cis-coordinated mononuclear Pd(Ⅱ) complex with one 1,10-phenanthroline and two THF as ligands, 1. 2 EXPERIMENTAL 2. …     

Synthesis and Crystal Structure of a New Charge-assisted Hydrogen-bonded Host Framework [Co(en)_3]_2[Zr_2(C_2O_4)_7]·2H_2O

Using the deep eutectic solvent formed of oxalic acid and choline chloride, a new charge-assisted hydrogen-bonded host framework [Co(en)3]2[Zr2(C2O4)7]·2H2O(1) has been obtained. The title complex crystallizes in the monoclinic, space group P21/n(No. 14) with a = 7.7448(10), b = 14.5683(19), c = 19.375(3), β = 92.124(2)o, V = 2184.5(5) 3, Z = 4, Dc = 1.996 g.cm-3, F(000) = 1332, μ = 1.328 mm-1, R = 0.0353 and w R = 0.0718(Ⅰ 2σ(Ⅰ)). Single-crystal structure analysis reveals that the title complex possesses a 3D network assembled through a multitude of charge-assisted hydrogen bonds between the in situ generated anionic coordination complexes [Zr2(C2O4)7]6- and metal complexes Co(en)33+.     

Synthesis and Crystal Structure of [(ArO)_2(THF)Sm(μ-OH)]_2·2THF(Ar=C_6H_(2-)~tBu_3-2,4,6)

1 INTRODUCTION Sm(II) chemistry has been extensively studied due to the strong reduction potential of this 4f6 ion[1]. The transformation of unsaturated substrates by Sm (II) complexes into products with unusual structures is one of the most interesting research areas. For the successful examples reported, Sm(II) starting mate- rials were restricted primarily to cyclopentadienyl complexes[2]. The reactivity of Sm(II) complex with phenolate ligands has seldom been explored. Recen- tl…     

Syntheses and Crystal Structures of Two Cyano-bridged Bimetallic Complexes [Ce(DMSO)_4(H_2O)_3Fe(CN)_6]·H_2O and [La(DMSO)_4(H_2O)_3Co(CN)_6]·H_2O(DMSO = Dimethylsulfoxide)

1INTRODUCTION Recently,cyano-bridged lanthanide-transition me-tal complexes have been extensively investigateddue to their potential applications as precursors in the preparation of rare earth orthoferrites,fluores-cent and magnetic materials[1].Various complexes of this system have been obtained in order to ex-plore the relations between structures and pro-perties by using different ligands,such as DMF,4,4?-bipy,and so on,to fill the coordination sites of lanthanide ions[2～9].But up to…     

Synthesis,Characterization and Standard Molar Formation Enthalpy of [Sm(C_7H_5O_3)_2(C_4H_6NO_2S)]·2H_2O

[Sm(C7H5O3)2(C4H6NO2S)]·2H2O was synthesized from the reaction of samarium chloride hexahydrate with salicylic acid and thioproline,and characterized by IR,elemental analysis and thermogravimatric analysis.The standard molar enthalpies of the solutions of SmCl3·6H2O(s),2[C7H6O3(s)],[C4H7NO2S(s)] and [Sm(C7H5O3)2·(C4H6NO2S)·2H2O(s)] in a mixed solvent of absolute ethyl alcohol,dimethyl formamide(DMF) and 3 mol/L HCl were,respectively,determined by calorimetry to be Δs Θ [SmCl3·6H2O(s),298.15 K]=(-46.68±0.15)...     

STRUCTURE STUDIES OF [Et_4N]_4[Cu_8(i-mnt)_6] (i-mnt=S_2C=C(CN)_2) AND [Me_4N]_4[Cu_5Ag_3(i-mnt)_6]·H_2O

<正> [Me4N]6[Ag6(i-mnt)6].H2O(1),[Et4N]4[Cu8(i-mnt)6](2) and [Me4N]4-[Cu5Ag3(i-mnt)6].H2O(3)(i-mnt=S2C=C(CN)2) were synthesized. The crystal and molecular structure of the complex 1 was reported by us.The structure of the complex 2 was determined from single crystal X-ray diffraction data. [Et4N]4[Cu8(i-mnt)s] 2, Mr=1870.46, monoclinic, P21/n, a=14.724(6), b = 17.228(3), c=15.59(1)A,β= 100.75(7)°,V=3886.3A3;Z = 2,Dc= 1.598 g/cm3. Complex 3 has been characterized by ICP elemental analyses and IR spectrum.