The crystal and molecular structure of tris-(2,2,6,6-tetramethyl-heptane-3,5-dinato)lutetium(III).

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概要

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• The crystal and molecular structure of tris-(2,2,6,6-tetramethylheptane-3,5-dionato)lutetium(III) has been determined by X-ray diffraction method. The space group is Pmn2<SUB>1</SUB>, and the unit cell is orthorhombic with <I>a</I>=17.713(4), <I>b</I>=10.638(2), <I>c</I>=9.973(3) Å, and <I>Z</I>=2. The structure is isomorphous with the erbium analogue. The atomic parameters of the molecule (except for hydrogen atoms) were refined by the block-diagonal least-squares method to an <I>R</I> of 0.053. Three chelate rings are planar. One of them lies in the crystallographic mirror plane, and the other two rings are symmetrically related to each other with respect to this mirror plane. Six oxygen atoms of the three β-diketones form a distorted trigonal prism around the central lutetium ion, the average Lu–O distance being 2.19 Å.

• 公益社団法人 日本化学会の論文

著者

• Shibata Shuzo

  Department Of Chemistry Faculty Of Science Shizuoka University

• Onuma Shigeki

  Department Of Chemistry Faculty Of Science Shizuoka University

• Inoue Hironao

  Department of Chemistry, Shizuoka University

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