[（C5H4CH3）2HoN4cpH]2.[（C5H4CH3）（C5H5）HoN4CPh]2的合成和晶体结构2

（Ｃ５Ｈ４ＣＨ３）３Ｈｏ和（Ｃ５Ｈ４ＣＨ３）２Ｈｏ（Ｃ５Ｈ５）与５－本基四唑在ＴＨＦ中反应，得到了复合产物「（Ｃ５Ｈ４ＣＨ３）２ＨｏＮ４ＣＰｈ」２．「（Ｃ５Ｈ４ＣＨ３）（Ｃ５Ｈ５）ＨｏＮ４ＣＰｈ」２，该晶体属三斜晶系，Ｐ１空间群，晶胞参数为ａ＝９．３８６（３），ｂ＝１３．０７１（３），ｃ＝１６．５７１（２）Ａ，α＝８６．９０（１），β＝７４．６１（２），γ＝７７．３０（２）°，Ｖ＝１９１２．８（８     

盖帽三核钴羰基簇合物（u3—CH3C）Co3（CO）7（u0—PPh2CH2PPh2）和（u3—CH3C）Co3（

本文从结构化学角度，阐述了标题化合物的EI质谱断裂行为，这些化合物的分子离子基本上按分步断裂分别失去羰基，直至获得[CH3CCo3[PPh2CH2PPh2)]^ 和[CH3CCO3]^ ，然后，这些残基和含膦配体继续断裂，失去Ph,PhP,Ph3P,C7H7,C6H6,C2H2,H2和Co等，生成各种相应的三核，二核和单核钴的碎片离子。     

C2H3Cl分子团簇内部离子-分子反应产生C4H5Cl+的研究

用同步辐射对（Ｃ２Ｈ３Ｃｌ）２分子团簇进行了光电离研究，发现该团簇内部发生了离子－分子化学反应，生成了十分稳定的反应产物Ｃ４Ｈ５Ｃｌ＾＋，不再是ｖａｒｄｅｒＷａａｌｓ弱键络合物，本文对反主尖机理进行了初步探讨。     

CRYSTAL STRUCTURE OF（η^5—C5H5）GdCl2（THF）3

<正> Compound (η5-C5H5)GdCl2(THF)3 was successfully prepared from action of GdCl3 and NaC5H5 in tetrahydrofuran (THF). X-ray diffraction data were collected at low temperature (about 210K). Its crystal belongs to the monoclinic space group P 21/n with a = 7. 821(2), b = 17.068(1), c=15. 057(1)(?), β=94. 76 (2)°, V = 2003. 2(10)(?)3, Z = 4, Dc=1. 69g/cm3, F(000)=1012, Mr=509. 6. The structure was solved by heavy-atom method. Least-squares refinement converged to a final R value of 0. 050. The coordination number of the Gd atom is 8. The centre of the cyclopentadienyl, the two Cl atoms and the three oxygen atoms of THF molecules form a distorted octahedron about the Gd atom.     

Synthesis and Crystal Structure of （1,3—^tBu2C5H3）2Sm（μ—Cl）2Li（THF）2

1　ＩＮＴＲＯＤＵＣＴＩＯＮＡｓａｔｙｐｅｏｆｉｍｐｏｒｔａｎｃｅｐｒｅｃｕｒｓｏｒ,ａｌｏｔｏｆｏｒｇａｎｏｌａｎｔｈａｎｉｄｅｃｈｌｏｒｉｄｅｃｏｍｐｌｅｘｅｓｈａｖｅｂｅｅｎｓｙｎｔｈｅｓｉｚｅｄａｎｄｓｔｒｕｃｔｕｒａｌｌｙｃｈａｒａｃｔｅｒｉｚｅｄ[1].Ｔｈｅｂｉｍｅｔａｌｌｉｃｃｏｍｐｌｅｘｅｓｃｏｎｔａｉｎｉｎｇａｌｋａｌｉｍｅｔａｌ,Ｃｐ2Ｌｎ(μＣｌ)2Ｍ(Ｌ)(Ｃｐ=η5Ｃ5Ｈ5ｏｒＣ5Ｍｅ5;Ｍ=Ｌｉ,Ｎａ;Ｌ=ＴＨＦ,ＴＭＥＤＡ),ｉｓａｍａｉｎｓｔｒｕｃｔｕｒｅｔｙｐｅ.Ｉｎｔｈｅｃｏｕｒｓｅｏ…     

Syntheses of Two Chiral Clusters [η5—C5H4C（NR）CH3]—RuNiM（CO）5（μ3—S）（R=NH—C6H3—2,4—（NO2）2,M=Mo,3;M=W,4）and the Single—crystal Structure of Cluster 3

1 INTRODUCTION The synthesis of chiral clusters containing four different atoms at the vertexes of the tetrahedron has been extensively studied because the chiral cluster can induce an asymmetric catalysis potentially[1]. Until now, many tetrahedron-type chiral clusters have been reported, but only a few of the reactions about the organic group in these clusters were investi- gated[2～4]. In this paper, we described the syntheses of clusters 3 and 4, and the structure of the former. 2 …     

Synthesis and Crystal Structure of [VO2（C17H11N3O2） ] [VO （C4H13N3）（C6H5N3O） ]（C2H5OH）

The reaction of VO（acac）2 with 2-hydroxyl-1-naphthaldehyde isonicotinyl hydrazone and amines （ethylenediamine or diethylenetriamine） in CH3OH yields crystals of novel vanadium compounds characterized by IR, NMR spectroscopic methods and X-ray single-crystal structure determination. Two different vanadium units exist in the crystal cell of [VO2（C17H11N3O2）][VO- （C4H13N3）（C6H5N3O）]（C2H5OH） which crystallizes in the triclinic system, space group P1 with a = 8.0104（17）, b = 13.898（3）, c = 14.955（3）A, α = 89.103（4）, β = 79.551（4）, γ = 78.352（4）°, V = 1603.3（6）A^3, Mr = 723.54, Dc = 1.499 g/cm^3, Z = 2, λ（MoKα） = 0.71073 ]A,μ= 0.644 mm^-1, F（000） = 748, the final R = 0.0547 and wR = 0.0997 for 8920 observed reflections with I 〉 2σ（I）. According to structure analysis, two different molecules are arranged in the lattice and the two vanadium atoms adopt octahedral and square pyramidal coordination geometries, respectively. The interactions between DNA and vanadium complexes have been investigated by UV-Vis absorption spectro- photometry.