DOI QR코드

DOI QR Code

Metal-Ion Interactions with Sugars. The Crystal Structure of CaCl2-Fructose Complex

  • Guo, Jianyu (Department of Chemistry, Shanghai Normal University) ;
  • Lu, Yan (School of Engineering and Innovation, Shanghai Institute of Technology) ;
  • Whiting, Roger (School of Applied Sciences, AUT University)
  • 투고 : 2012.01.30
  • 심사 : 2012.04.04
  • 발행 : 2012.06.20

초록

The single-crystal structure of $CaCl_2{\cdot}2C_6H_{12}O_6{\cdot}3H_2O$ was determined with Mr=525.34, a=16.054(7) ${\AA}$, b=7.864(4) ${\AA}$, c=10.909(5) ${\AA}$, ${\beta}=127.894(8)^{\circ}$, V=1086.9(9) ${\AA}^3$, C2, Z=2 and $R$=0.0227 for 1727 observed reflections. The fructose moiety of the complex exists as a ${\beta}$-D-pyranose. The calcium ion is surrounded by eight oxygen atoms, These are arranged in symmetry-related pairs derived from four sugar and two water molecules. Three nonvicinal hydroxyl groups of fructose are involved in calcium binding. All the hydroxyl groups and water molecules are involved in forming an extensive hydrogen-bond network.

키워드

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피인용 문헌

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