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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >YB3OBR4(N(SIME3)(2))(3)(THF)(3)], AN AMIDO COMPLEX OF YTTERBIUM WITH A CLUSTERLIKE STRUCTURE [German
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YB3OBR4(N(SIME3)(2))(3)(THF)(3)], AN AMIDO COMPLEX OF YTTERBIUM WITH A CLUSTERLIKE STRUCTURE [German

机译:YB3OBR4(N(SIME3)(2))(3)(THF)(3)],具有类似簇结构的Y的酰胺配合物[德语

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摘要

The title compound has been prepared from YbBr3 and NaN(SiMe3)(2) in THF suspension, forming yellow single crystals from hexane solutions which were characterized by a crystal structure determination. Space group , Z=2, lattice dimensions at -100 degrees C: a=1085.4(1), b=1410.2(1), c=1912.0(1) pm; alpha=78.62(1)degrees, beta=80.61(1)degrees, gamma= 73.45(1)degrees, R=0.025. In the molecular structure of [Yb3OBr4{N(SiMe3)(2)}(3)(THF)(3)] the three ytterbium atoms together with the mu(3)-oxygen atom and a mu(3)-bromine atom form a distorted trigonal bipyramid. In addition, three mu(2)-Br atoms coordinate the Yb atoms in the equatorial plane, whereas the THF molecules and the N(SiMe3)(2)(-) ligands are terminally coordinated, thus forming a distorted octahedrally surrounding of the Yb atoms. [References: 9]
机译:由YbBr3和NaN(SiMe3)(2)在THF悬浮液中制备标题化合物,由己烷溶液形成黄色单晶,通过晶体结构测定对其进行表征。空间群,Z = 2,在-100摄氏度下的晶格尺寸:a = 1085.4(1),b = 1410.2(1),c = 1912.0(1)pm; alpha = 78.62(1)度,beta = 80.61(1)度,gamma = 73.45(1)度,R = 0.025。在[Yb3OBr4 {N(SiMe3)(2)}(3)(THF)(3)的分子结构中,三个原子与mu(3)-氧原子和mu(3)-溴原子一起形成扭曲的三角双锥。另外,三个mu(2)-Br原子在赤道平面上与Yb原子配位,而THF分子和N(SiMe3)(2)(-)配体在末端配位,因此形成了扭曲的八面体形式的Yb原子。 [参考:9]

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