The structure of diaquatetrakis(thiocyanato)cobalt(II)mercury(II)-N-methyl-2-pyrrolidone(1/2), CoHg(SCN)4(H2O)22(C3H6CONCH3).

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概要

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• The crystal and molecular structure of the title complex was determined using the single-crystal X-ray diffraction method. A crystal of CoHgC<SUB>14</SUB>H<SUB>22</SUB>N<SUB>6</SUB>O<SUB>4</SUB>S<SUB>4</SUB>, F.W. 726.15, is tetragonal with a space group <I>P</I>\bar4, <I>a</I>=12.082(3), <I>c</I>=8.097(2)Å, <I>U</I>=1182.0(5)Å<SUP>3</SUP>, <I>Z</I>=2, <I>D</I><SUB>x</SUB>=2.04 Mg m<SUP>－3</SUP>, and μ(Mo <I>K</I>α)=7.72 mm<SUP>－1</SUP>. Tetrahedral mercury(II) coordinated with four sulfur atoms and octahedral cobalt(II) coordinated with four nitrogen atoms of SCN<SUP>－</SUP> (equatorially) and two oxygen atoms of H<SUB>2</SUB>O (axially) are linked by thiocyanate bridges to form planar networks parallel to (001). The planes are connected by <I>N</I>-methyl-2-pyrrolidone (mpd) molecules through the hydrogen bonds with two coordinated water molecules at both side networks. The structure resembles that of the <I>N</I>,<I>N</I>-dimethylacetamide (dma) adduct, CoHg(SCN)<SUB>4</SUB>(H<SUB>2</SUB>O)<SUB>2</SUB>·2dma. These are new types of inclusion compounds.

著者

• Shimoi Mamoru

  Department Of Basic Science Graduate School Of Arts And Sciences The University Of Tokyo

• Ouchi Akira

  Department of Chemistry, College of Arts and Sciences, The University of Tokyo

• Kinoshita Hisashi

  Department of Chemistry, Faculty of Liberal Arts, Shizuoka University

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