The synthesis, and the crystal and molecular structure of (diaquatetrakis(thiocyanato)cobalt(II)mercury(II))-N,N-dimethylacetamide (1/2), CoHg(SCN)4(H2O)22{CH3CON(CH3)2}.

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概要

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• The new complex indicated in the title was synthesized and its crystal and molecular structures were determined by the use of a single-crystal X-ray diffraction method. The crystal is tetragonal, with the space group P\bar4, and the cell constants are <I>a</I>=12.124(5) and <I>c</I>=7.985(2) Å. The structure was solved using the heavy-atom method, and the final <I>R</I> value was 0.039. Two kinds of crystallographically independent mercury atoms in the unit cell are tetra-coordinated and they are in the tetrahedral geometry, where four sulfur atoms of the thiocyanate ions are ligated, respectively. The cobalt atom is hexa-coordinated, and is in an octahedral geometry, where four nitrogen atoms of the thiocyanate ions are coordinated equatorially, and two water oxygen atoms axially. Thiocyanate ions span mercury and cobalt atoms to form two-dimensional networks parallel to the (001) plane. The planar polymeric complexes are linked to the c-axis direction, through hydrogen bonds between coordinated water molecules and <I>N</I>,<I>N</I>-dimethylacetamide.

• 公益社団法人 日本化学会の論文

著者

• SATO Shoichi

  The Institure for Solid State Physics, The University of Tokyo

• 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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