The Crystal Structure of Ethylenediammonium Chloride

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概要

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• The crystal structure of ethylenediammonium chloride has been determined. The crystal belongs to the monoclinic system with <I>a</I>=9.95, <I>b</I>=6.89, <I>c</I>=4.42Å and β=90.7°; the space group is P2<SUB>1</SUB>/a. The unit cell contains two ethylenediammonium ions and four chloride ions. The ethylenediammonium ion occupies a center of symmetry and takes a transform; thus, the ethylenediammonium ion was found to be either a trans- or a gauche-form in the crystals, depending on the structures of the crystals. The bond distances and angles of the ethylenediammonium ion are: C–C 1.53, C–N 1.49Å and <CCN 109.8°. Three N–H…Cl hydrogen bonds (3.20, 3.22 and 3.14Å) make two-dimensional networks of the ions perpendicular to the c axis.

• 社団法人 日本化学会の論文

著者

• ASHIDA T.

  Department of Industrial Chemistry, Kinki University

• Hirokawa Sakutaro

  Department of Chemistry Defense Academy

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