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概要
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The crystal structure of the title compound has been determined from the X-ray diffraction data. This complex crystallizes in the monoclinic space group with unit-cell parameters of <I>a</I>=17.724(2), <I>b</I>=8.084(1), <I>c</I>=14.025(2) Å, β=95.06(1)°, and <I>Z</I>=4, and with a space group of <I>P</I>2⁄<I>c</I>. The structure converged to <I>R</I>=0.043 for 2898 reflections. In the complex anion, the chromium is coordinated by the sexadentate cydta ligand, producing a distorted octahedral CrN<SUB>2</SUB>O<SUB>4</SUB> geometry. The glycinate chelates of the in-plane G(girdling) rings in the CrN<SUB>2</SUB>O<SUB>2</SUB> plane are more distorted with respect to the Cr–O bond lengths and internal bond angles than are those of the out-of-plane R(relaxed) rings in the CrNO<SUB>3</SUB> plane. This may be responsible for the lability to dissociation of the G-ring acetate chelates. A close proximity of non-bonded hydrogen atoms (ca. 1.90 Å) is found between the methylene groups in the R ring and the cyclohexane ring. There are two nonequivalent sodium ions in the unit cell, which link the cydta complex anions to form an anion layer along the c axis.
- 公益社団法人 日本化学会の論文
著者
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Kaizaki Sumio
Department Of Chemistry Faculty Of Science Osaka University
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Umakoshi Keisuke
Department Of Applied Chemistry Faculty Of Engineering Nagasaki University
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Hayashi Mariko
Department Of Biochemistry Institute For Brain Research Faculty Of Medicine The University Of Tokyo
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Ooi Shun-ichiro
Department of Chemistry, Faculty of Science, Osaka City University
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Umakoshi Keisuke
Department of Chemistry, Faculty of Science, Osaka City University
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Hayashi Mariko
Department of Chemistry, Faculty of Science, Nara Women's University
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