环戊烷基茚基氯化钇(1-C5H9C9H6)2-Y(μ-Cl)2Li(THF)2的合成及其晶体结构

无水YCl3与1-环戊烷基茚基锂以1/2的摩尔比在THF中反应合成了二(1-环戊烷基茚基)氯化钇(C5H9C9H6)2Y(μ-Cl)2Li(THF)2,产物用元素分析、红外光谱及XRD进行表征. 结果表明,其晶体属于正交晶系,Pna2(1)空间群,a =1.648 2(7) nm,b =1.877 2(8) nm,c =1.131 7(5) nm,V =3.501(3) nm3,Z=4,Dc=1.285 Mg/m3,最终的偏离因子R=0.068 3,Rw=0.114 3.     

新的桥联二氨基镱(II)配合物[{Me2Si(NPh)2Yb(THF)2}(m3-Cl)(m4-Cl){Li(THF)}2]2·2THF的合成及结构

无水YbCl₃与等当量的Li₂Me₂Si(NPh)₂在四氢呋喃中反应，生成了相应的镱(III)氯化物1 [{Me₂Si(NPh)₂Yb}(m2-Cl)(TMEDA)]₂·3PhMe （TMEDA = 四甲基乙二胺）。原位形成的配合物1经Na-K合金还原，高产率地得到了一个新的、分子中有四个LiCl络合的桥联二氨基镱(II)配合物2 [{Me₂Si(NPh)₂Yb(THF)₂}(m3-Cl)(m4-Cl){Li(THF)}2]2·2THF。这两个配合物经过X-射线的结构表征证实均为二聚体。配合物1中两个镱原子经氯桥连接成一个扭曲的八面体。配合物2中两个[Me₂Si(NPh)₂Yb(THF)₂](m3-Cl)[Li(THF)]₂结构单元经两个m4-Cl原子连接成一个“椅式”骨架。     

三（环戊基茚基）钐配合物（C5H9C9H6）3SmCl^—Li^＋（THF）4的合成与晶体结构

稀土配合物能使极性和非极性单体聚合[1] .虽然目前已测定了几乎所有的三 (环戊二烯基 )稀土配合物及部分三 (取代环戊二烯基 )稀土配合物的晶体结构 ,但有关三 (茚基 )稀土配合物的报道较少 .第一个三 (茚基 )稀土配合物是无水三氯化稀土与 3倍物质的量的茚基钠 C9H7Na在四氢呋喃中反应而得 ,但未报道其晶体结构[2 ] .后来用同样的反应却分离出以氯为桥的二聚体离子对配合物[Na( THF) 6][Ln( η5- C9H7) 3μ( Cl) Ln( η5- C9H7) 3]( Ln=Nd,Sm) [3] .无水三氯化稀土与 Mg( C9H7) 2 或C9H7K等物质的量反应则生成非溶剂化的 ( C9H7…     

(η~5-C_9H_7)_2Yb(THF)_2的晶体结构

双(茚基)镱(Ⅱ)四氢呋喃配合物(η~5-C_9H_7)_2Yb(THF)_2的晶体属单斜晶系,C_c空间群,晶体学参数a=13.506(4),b=11.081(2),c=15.577(5),β=92.68(3)°,V=2329(1),D_c=1.56g/cm~3,Z=4,μ=42.4cm~(-1),F(000)=1088,最终编离因子R=0.029,R_w=0.031。中心离子Yb~(2+)与两个茚基以η~5形式成键且与两个四氢呋喃中的氧成键,茚基的两个质心和四氢呋喃中的两个氧形成扭曲的四面体,Yb~(2+)在四面体的中心。Yb~(2+)的配位数为8。Yb~(2+)到质心In1的距离为2.52,到质心In2的距离为2.40。Yb~(2+)到O(1)的键长为2.356(7),到O(2)的键长为2.417(5)。     

[Eu2(o-ClC6H4OCH2COO)6(C12H8N2)2(H2O)2]·(CH3)2SO的晶体结构和荧光光谱

标题配合物Ｍ＝１８９２．０１,单斜晶系,空间群Ｐ２１／ｃ,ａ＝１．２９７５（３）ｎｍ,ｂ＝２．６５９１（９）ｎｍ,ｃ＝１．２１１８（３）ｎｍ,β＝９６．９５（１）°,Ｚ＝２,Ｄｃ＝１．５７７ｇ／ｃｍ３,Ｔ＝２９３（２）Ｋ。最终的偏离因子Ｒ＝０．０５８３。该配合物以二聚体形式存在,通过其中的桥联羧基形成了双核分子。该分子中羧基具有桥联双齿、桥联三齿和单齿三种配位模式,Ｅｕ－Ｅｕ之间的距离为０．４０１９（１）ｎｍ。在７７Ｋ下测得配合物中Ｅｕ（Ⅲ）离子仅有一种格位。５Ｄ０→７ＦＪ（Ｊ＝０～２）跃迁光谱说明Ｅｕ（Ⅲ）离子格位具有Ｃ２对称性。     

氰基桥联双核镝(Ⅲ)-铁(Ⅲ)配合物[DyFe(CN)6(DMF)4(H2O)3]·1.25H2O的合成与结构表征

A dinuclear complex [DyFe(CN)₆(DMF)₄(H₂O)₃]·1.25H₂O(DMF=N， N-dimethylformamide) 1 based on the cyanide as linkage was prepared and structurally characterized by X-ray single-crystal structure analysis. The Dy(Ⅲ) ion is eight coordinations in a square-antiprism arrangement and the Fe(Ⅲ) ion is six coordinations oriented octahedrally. The neutral units [DyFe(CN)₆(DMF)₄(H₂O)₃] are held together by hydrogen bonds formed by lattice water molecules， coordinated water molecules and nitrogen atoms of cyanide coming from other distinct complex units to afford a three-dimensional framework. CCDC： 192314.     

氰基桥联双核镝(Ⅲ)-铁(Ⅲ)配合物[DyFe(CN)_6(DMF)_4(H_2O)_3]·1.25H_2O的合成与结构表征(英文)

０IntroductionRecently，severalresearchgroupshaveemployedahybridapproach，inwhich犤M（CN）６犦n－buildingblockhavebeencombinedwithtransitionmetalionsorlanthanideionscomplexesinordertoexploitthefea－turesoftheligandsintheformationofdifferentstruc－tures犤１～８犦．Cyano－bridgedcomplexesaregenerallyob－tainedbyreactinghexacyanometalatewithmononuclearassemblercomplexinwhichsomeofthecoordinationsitescanbeoccupiedbysomeassistantligands（ortermsasthethirdligands）．Severalcyano－bridgeddin－uclear…     

[C5H4C(CH3)(C3H7)CH2CH=CH2]NdMg2(μ3-OH)(μ3-Cl)(μ2-Cl)3(THF)4Cl的合成和晶体结构分析

用Ｘ－射线衍射法测定了［Ｃ５Ｈ４Ｃ（ＣＨ３）（Ｃ３Ｈ７）ＣＨ２ＣＨ＝ ＣＨ２］ＮｄＭｇ２（μ３－ＯＨ）（μ３－Ｃｌ）（μ２－Ｃｌ）３（ＴＨＦ）４Ｃｌ的晶体结构。它属三斜晶系,空间群为Ｐ１－ ,ａ＝ １２．６９８（３）, ｂ＝ １３．６１６（３）, ｃ＝ １３．７１２（３）, α＝ ６８．９１（３）, β＝ ８４．３４（３）, γ＝ ６３．０７（３）°, Ｖ＝ １９６６（１）３, Ｍｒ＝ ８４９．７４, Ｄｘ＝ １．４１２ ｇ·ｃｍ － ３, μ＝ １．７２９７ ｍ ｍ － １, Ｆ（０００）＝ ８４０, Ｚ＝ ２, Ｒ＝ ０．０７３, ｗ Ｒ＝ ０．０８６（Ｉ≥３σ（Ｉ））。分子中Ｎｄ（Ⅲ）原子的配位数为八,形成一个严重扭曲的八面体结构。两个Ｍｇ 原子的配位情况相似,它们的配位数都是六,构成两个扭曲的八面体。这三个八面体通过三个共用平面联接     

Synthesis of Substituted Indenyl Lanthanide Chloride and Molecular Structure of[（C5H9C9H6）2Yb（μ—Cl）2Li（Et2O）2]

Reaction of anhydrous ytterbium trichlorides with 2 equiv.of cyclopentylindenyl lithium in THF solution,followed by removal of the solvent and crystallization of the porduct from diethyl ether,affords a crystal complex of the composition(C5H9C9H6)2Yb(μ-Cl)2Li(Et2O)2.Crystallographic analysis shows that the ytterbium coordinated by two cyclopentylindenly rings and lithium surrounded by two ether molecules are bridged by the two chlorine atoms and Yb,Li and two chlorine atoms form a plane.     

Waugh结构的H12[MnMo9O32(KO)6]的合成、晶体结构及催化性能

Waugh结构的H12[MnMo9O32(KO)6]的合成、晶体结构及催化性能;多金属氧酸盐;晶体结构;催化活性;Waugh结构     

〔C_5H_4C(CH_3)_2CH_2CH=CH_2〕Sm(OH)Cl·2MgCl_2·4THF的晶体结构分析

用Ｘ－射线晶体结构衍射法测定了〔Ｃ５Ｈ４Ｃ（ＣＨ３）２ＣＨ２ＣＨ＝ＣＨ２〕Ｓｍ（ＯＨ）Ｃｌ·２ＭｇＣｌ２·４ＴＨＦ的晶体结构。它属三斜晶系,空间群为Ｐ１,ａ＝１０．７７３（２）,ｂ＝１２．８３６（３）,ｃ＝１５．４７８（３）,α＝１１１．４６（３）,β＝１０７．７１（３）,γ＝９２．５４（３）°,Ｖ＝１８６８（１）３,Ｍｒ＝８２７．９１,Ｄｘ＝１．４７２ｇ／ｃｍ３,μ＝２．０００６ｍｍ－１,Ｆ（０００）＝８４０,Ｚ＝２,Ｒ＝０．０４１,ｗＲ＝０．０５０（Ｉ≥３σ（Ｉ））。分子中Ｓｍ原子的配位数为８,形成一个严重扭曲的八面体结构;２个Ｍｇ原子的配位情况相似,它们的配位数都是６,分别构成２个扭曲的八面体。这３个八面体通过３个共平面联接     

[C5H4C(CH3)2CH2CH=CH2]Sm(OH)Cl·2MgCl2·4THF的晶体结构分析

用Ｘ－射线晶体结构衍射法测定了［Ｃ５Ｈ４Ｃ（ＣＨ３）２ＣＨ２ＣＨ＝ＣＨ２］Ｓｍ（ＯＨ）Ｃｌ·２ＭｇＣｌ２·４ＴＨＦ的晶体结构。它属三斜晶系,空间群为Ｐ＾－１,ａ＝１０．７７３（２）,ｂ＝１２．８３６（３）,ｃ＝１５．４７８（３）Ａ,ａ＝１１１．４６（３）,β＝１０７．７１（３）,γ＝９２．５４（３）°,Ｖ＝１８６８（１）Ａ＾３,Ｍｒ＝８２７．９１,Ｄｘ＝１．４７２ｇ／ｃｍ＾３,μ＝２．０００６ｍｍ     

过氧钒配合物的合成、结构及模拟过氧化酶催化溴化动力学

根据模拟钒卤代过氧化物酶(V-HPOs)活性中心的配位环境,设计并合成了2种新型过氧钒配合物：Na[VO(O2)2(C10H8N2)]·8H2O(1)和K3H[(VO)2(O2)4(μ2-O)]·H2O(2),通过元素分析、红外光谱和紫外光谱对其进行了表征,并通过X射线单晶衍射方法确定了其结构。 配合物1晶体属于三斜晶系,空间群：P-1,a=0.7213(2) nm,b=1.1269(4) nm,c=1.3728(4) nm,α=68.349(4)°,β=89.178(4)°,γ=88.050(4)°,V=1.0365(6) nm3。 配合物2的晶体属于单斜晶系,空间群：P21/c,a=0.67047(12) nm,b=0.99503(18) nm,c=1.5817(3) nm,α=γ=90°,β=93.739(2)°,V=1.0530(3) nm3。 配合物1和2分别是五角双锥和八面体配位构型。 通过催化溴化反应活性研究发现,2种配合物均可作为潜在的钒卤代过氧化物酶模拟物。     

Synthesis and Crystal Structure of Cadmium（Ⅱ） Complex [Cd（H2O）（CH3OC6H4COO）2]n

1 INTRODUCTION Cadmium (Ⅱ) complexes have been exten- sively studied from both chemical and structural views, mainly due to the capability of cadmium (Ⅱ) (shared by most d10 metal ions) to adopt different modes of coordination determined by the consideration of size, as well as electrostatic and covalent bonding forces[1]. And the field of coordination polymers has witnessed tremendous growth over the last decade[2]. Many coordination polymeric networks have been shown to posses intere…     

含双齿酸性烯醇式β-双酮的十配位稀土金属配合物[Ce(NO3)2(phen)2(CH3COCHCOCH3)]·H2O的合成与晶体结构

标题化合物由邻菲罗啉和乙酰丙酮等在无水乙醇和蒸馏水的混合溶剂中合成 ,用IR谱和X射线结构分析进行表征。晶体学数据如下 :C2 9H2 5N6O9Ce ,Mr=741.6 7,单斜 ,a =1.1110 ( 2 )nm ,b =0 .9834( 2 )nm ,c =1.344 9( 3)nm ,β =10 2 .0 3( 3)°,V =1.4371( 5 )nm3 ,Z =2 ,Dc=1.714kg·m- 3 ,F( 0 0 0 ) =742 ,μ(MoKα) =1.6 5 0mm- 1 ,R =0 .0 42。结果表明 ,具有十配位的中心Ce+3 含有一个双齿负离子烯醇式的β 双酮作为配体。对乙酰丙酮以双齿酸性烯醇式与Ce的配合型式进行了讨论     

Synthesis and Characterization of （CH3CH2CH2CH2NH3）2SnBr6

1 INTRODUCTION Recently, the researches on inorganic-organic hy-brid compounds represent an advanced field in mate-rial science[1]. At the molecular level, the combina-tion of two extremely different components providesan avenue to design new hybrid materials as well asthe ability to modulate properties of one or more ofthe components[2～6]. Some attractive properties, suchas efficient luminescence[2～4], ideal thermal and me-chanical stability, interesting magnetic[5], non-linearoptical[…     

Synthesis and Structural Characterization of Pd[CH3O（O）C6H3CHNNC（S）NH2]（C5H5N）

1 INTRODUCTION Palladium (Ⅱ) coordination and organometallic compounds usually show square planar environments at the metal center[1], and have experienced an im- portant development in the past years due to their acting as intermediates in different types of catalytic reactions and numerous applications in organic synthesis[2]. Although palladium plays an increase- ingly recognized role as a biometal[3], little is known about the structure and function of palladium compounds in living …     

(NH2CH2CH2NH3)4[WⅤO2(OC6H4O)2]2(NH3CH2CH2NH3)·H2O的合成、晶体结构、EPR以及与同构物的比较

Cis-dioxo-catecholatotungsten(Ⅴ) complex (NH₂CH₂CH₂NH₃)₄[W^ⅤO₂(OC₆H₄O)₂]₂(NH₃CH₂CH₂NH₃)·H₂O (1) was synthesized at room temperature by the reaction of tetrabutyl ammonium decatungstate with catechol in the mixed solvent of CH₃OH, CH₃CN and NH₂CH₂CH₂NH₂. The crystal structure of complex was determined by X-ray diffraction structural analysis. The results show that complex belongs to monoclinic system with space group P2₁/c,a=0.712 8(3) nm, b=3.082 3(11) nm, c=0.982 8(4) nm, β=102.639(6)°, V=2.106 8(14) nm³, Z=2, R₁=0.062 8, wR₂=0.183 7. Compared the complex with its analogous complexes (NH₂CH₂CH₂NH₃)₃[Mo^ⅤO₂(OC₆H₄O)₂], it is found that the coordination structure of W have no changes in the processing of electron transfer of tungsten-containing enzymes from the result of the similarity of the EPR spectra of the complexes and flavoenzyme from milk. CCDC: 272937.