Crystal and Molecular Structure of ω-Amino Acids, ω-Aminosulfonic Acids and Their Derivatives. V. Crystal and Molecular Structure of γ-Guanidino Propane Sulfonic Acid

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概要

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• The crystal structure of γ-guanidino propane sulfonic acid was determined by the symbolic addition method with X-ray intensity data on a diffractometer and refined by the least-squares method to an <I>R</I>-value 0.069 for 1963 reflections. The crystals were monoclinic, space group P2<SUB>1</SUB>/c, Z=8, with <I>a</I>=10.080, <I>b</I>=8.013, <I>c</I>=19.716 Å and β=98.17°. Two independent molecules in the asymmetric unit both have a zwitterionic form, (NH<SUB>2</SUB>)<SUB>2</SUB><SUP>+</SUP>CNHCH<SUB>2</SUB>CH<SUB>2</SUB>CH<SUB>2</SUB>SO<SUB>3</SUB><SUP>−</SUP>. There are two forms, <I>trans</I> zigzag and <I>cis</I> ones, which are linked by N(1)H···O hydrogen bonds. The molecules are held together in the crystal by a three-dimensional network of NH···O hydrogen bonds.

• 公益社団法人 日本化学会の論文

著者

• Fujiwara Takaji

  Faculty Of Pharmaceutical Sciences Of Osaka University

• TOMITA Ken-ichi

  Faculty of Pharmaceutical Sciences of Osaka University

• Tomita Ken-ichi

  Faculty of Pharmaceutical Sciences, Osaka University

• Kim Yang

  Faculty of Pharmaceutical Sciences, Osaka University

• Wakahara Akio

  Faculty of Pharmaceutical Sciences, Osaka University

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