新型六核钼原子簇化合物{[Mo3（μ3—S）（μ—S2）2（dtp）3]—（μ3—S）（η…

［Ｍｏ３（μ３－Ｏ）（μ－Ｓ）３（μ－ＯＡｃ（ｄｔｐ）３（ｐｙ）］和［Ｍｏ３（μ－Ｓ）３（μ－ＯＡｃ（ｄｔｐ）３－（ｐｙ）］（ｄｔｐ＝Ｓ２Ｐ（ＯＣ２Ｈ５）２＾－）族合物分别与金属化合物ＢｉＩ３和ＳｂＢｒ３进行原子簇反应均能获得意外产物｛［Ｍｏ３（μ３－Ｓ）（μ－Ｓ２）２（ｄｔｐ）３］（μ３－Ｓ）（η＾３－Ｓ２）［Ｍｏ２（μ３－Ｓ）（μ－Ｓ）３（μ－ＯＡｃ）（ｄｔｐ）２］｝六核钼簇。其结构实际上是由     

（Mo3（μ2—O）（μ—Cl）3（μ—O2CR3）Cl3）^—系列三核钼的电化学及热化…

用循环伏安法研究了（Ｍｏ３ＯＣｌ６（Ｏ２ＣＲ）３）＾－（其中Ｒ＝ＣＨ３，Ｈ，ＣＨ２Ｃｌ）系列三核钼簇合物在ＣＨ３ＣＮ和ＤＭＦ溶剂中的电化学行为，并用差热－热重手段研究了它们的热稳定性和热分解过程的可能机理。结果表明在不同溶剂中它们有相似的二对氧化还原峰，而且在同一溶剂中随着Ｒ基团吸电子能力的增强，相应的第一氧化还原电位值向正向移动，当Ｒ＝ＣＨ３，Ｈ时，它们的起始分解温度分别为２６５℃和２１０℃，即     

CRYSTAL AND MOLECULAR STRUCTURE OF cis—（μ—PhS—（CH2）3SPh）PdCl2

<正> The title complex, C15S2Cl2H16Pd, Mr = 437. 73, crystallizes in monoclinic space group P21/c with a = 10. 177(2), b=10. 788(1), c= 15. 305(1) (?),β=102. 73(1)°, V = 1638. 1(?)3, Z = 4, Dx =1.77g/cm3, μ = 16.8cm-1, F (000) = 872. The final structure refinement converged with unweighted and weighted R factors of 0. 025 and 0. 033 for 2490 observed unique reflections. The complex has mononuclear structure with the ligand cis-chelated to the Pd(Ⅱ) atom.     

Synthesis and Reaction of [MnRe（CO）6（μ—SH）（μ—SC（H）PPr^i3）（PPh3）]

The synthesis,the crystal structure and the reaction of the hetero-binuclear complex[MnRe(CO)6(μ-SH）（μ-SC(H)PPr^i3)(PPh3)] are reported.The results of single crystal X-ray structure analysis showed that the fragments Mn(CO)3 and Re(CO)3 were bridged by SH and SC(H)PPr^i3.The title complexes can react with Bu^nLi and RX forming complexes MnRe(CO)6(μ-SR）（μ-SC(H)PPr^i3)(PPh3)](R=Me,CH2CH=CH2,SnBu3^n).     

Synthesis and Crystal Structure of [Co3（CO）9（μ3—C）C（O）OCH2]2

The title compound [Co3(CO)9(μ3-C)C(O)OCH2]2 was synthesized by the reaction of [Cl3CC(O)OCH2]2 with Co2(CO)8 at 40～50 ℃. Crystal data: C24H4O22Co6, Mr=997.88, monoclinic, space group P21/n(#14), a=9.330(2), b=15.197(4), c=11.783(4), β=91.16(2)°, V=1670.4(7) 3, Z=2, Dc=1.984 g/cm3, μ(MoKα)=30.01 cm-1, F(000)=972.00, T=293K, final R=0.045, Rw=0.051 for 1936 observed reflections with I＞2σ(I). The structure contains two centrosymmetric dimeric molecules in a unit cell, each of which has two tetrahedral skeletons (CCo3) connected through a C(O)OCH3CH2OC(O) bridge.     

Synthesis and Crystal Structure of Bis（μ-bis（diphenylphosphino）methane）（μ-benzenethiolate）（acetonitrile） Dicopper（I） Perchlorate Diethylether Solvate

1INTRODUCTIONTherehasbeenincreasinginterestindesigningpolymetalliccomplexeswithmixeddiphosphineandthiolateligandsowingtotheuniqueopticalandoptoelectronicproperties[1].Itiswell-knownthatthiolatesasversatilebridgingligandscanexhibitvariousbondingmodestoprod…     

Co3（CO）7（μ3—S）（μ,η^2—SCNR2）的合成和晶体结构

Ｃｏ２（ＣＯ）８与４个二硫代双（烷基硫代甲酰胺）类前配体［Ｒ２ＮＣ（Ｓ）Ｓ］２反应,得４个含烷基硫代甲酰胺基的三核钴羰基硫簇合物。通过元素分析、ＩＲ、＾１ＨＮＭＲ和ＭＳ等方法表征了它们的结构,用Ｘ射线衍射法测定了其中一个簇合物Ｃｏ３（ＣＯ）７（μ３－Ｓ）［μ,η＾２－ＳＣＮ（ｉ－Ｐｒ）２］（Ⅲ）的晶体结构。晶体属单斜晶系,Ｐ２１／ｎ空间群,晶胞参数ａ＝１．１４５２（２）ｎｍ,ｂ＝１．５０２８（３）     

过渡金属μ3—Ｅ立方烷簇合物（η^5—Ｃ５Ｈ５）４Ｆe4（μ３—Se）4及（η^5—

通过（η^5-Ｃ５Ｈ５）２Ｆe2(CO4)和硒粉在沸腾的甲苯中反应可制得含μ３－Ｓe的立方烷合物（η^5-Ｃ５Ｈ５）４Fe4(μ３－Se)4(1),而由（η^5-Ｃ５Ｈ５）４Ｃr4(μ３－Se)4Ｓ在甲苯苯中回流可制得含μ3-S的立方烷合物（η^5-Ｃ５Ｈ５）４Ｃr4(μ３－Se)4（２,Ｒ＝ＣＯＭe,R=CO2Me). 企图通过（η^5-Ｃ５Ｈ５）４Ｆe4(μ３－Se)4(5）和硫黄制备Ｕ３－Ｓ立方烷合物（η^5-Ｃ５Ｈ５）４Ｃr4(μ３－Se)4（６）末获成功,基中５是由η^5-EtO2CC5H4Fe(CO)2Na与η^5-EtO2CC5H4F4(CO)2I(4)缩合制得,新化合物１－５经元素分析,ＩＲ和^1H光谱表征。     

Rh2（CO）4（μ—Cl）2 和Rh4（μ—CO）3（CO）9的简正振动分析

金属簇合物因其独特的结构和成键而引人注目，鉴于文献上对铑簇合物的结构、成键、反应和催化性能存在的不同看法，本文的两个铑簇合物的简正振动分析以及另文的铑系簇合物的电子结构计算和催化性能研究，为进一步认识上述问题提供了有意义的结果。     

Co3（CO）7（μ3—S）[μ,η^2—SCNC（O）C（R1）（R2）N（COR3）]的…

Ｃｏ２（ＣＯ８）分别与４种硫代乙内酰脲Ｓ＝ＣＮＨＣ（Ｏ）Ｃ（Ｒ１）（Ｒ２）Ｎ（ＣＯＲ３）反就，得到４个新的含硫代乙内酰脲桥基双齿配位的三核钴羰基硫族合物。用元素分析、ＩＲ、＾１Ｈ ＮＭＲ和ＭＳ等手段表征了它们的结构，用Ｘ射线衍射测定了其中一个族合物Ｃｏ３（ＣＯ７）７（μ３－Ｓ）［μ，η＾２－ＳＣＮＣ（Ｏ）Ｃ（ＣＨ３）（ＣＨ３）Ｎ（ＣＯＣＨ３）］（Ⅳ）的晶体结构，晶体属三斜晶系，Ｐ１↑－空间群，晶胞     

CRYSTAL STRUCTURE OF A SILVER COMPLEX Ag（PPh3）2（S2P—（OCH3）2）

<正> The crystal structure of the title silver complex has been determined by the single crystal X-ray diffraction method.The white plate crystal is tri-clinic.space group P1 with a=12.289(1),b=13.330(2),c=14.846(1)A.α=59.78(1),β=70.33(1),γ=64.01(1)°,V=1867.9A3,Z=2,Dc=1.404 g/ cm3,Mr=789.6,F(000)=808,MoKa radiation,μ(MoKa)=7.891 cm-1,final R=0.049 and Rw=0.051 for 5753 observed reflections.The silver(I)is surrounded by two P and two S atoms in a distorted tetrahedral coordination.