Carbohydrate Research 2012-11-01

Sugar-metal ion interactions: the coordination behaviors of lanthanum with erythritol.

Junhui Xue, Xiaohui Hua, Weihong Li, Limin Yang, Yizhuang Xu, Guozhong Zhao, Gaohui Zhang, Chunping Li, Kexin Liu, Jia'er Chen, Jinguang Wu

文献索引：Carbohydr. Res. 361 , 12-8, (2012)

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摘要

Three novel lanthanum chloride-erythritol complexes (LaCl(3)·C(4)H(10)O(4)·5H(2)O (LaE(I)), LaCl(3)·C(4)H(10)O(4)·3H(2)O (LaE(II)), and LaCl(3)·1.5C(4)H(10)O(4) (LaE(III)) were synthesized and characterized by single crystal X-ray diffraction, FTIR, far-IR, THz, and Raman spectroscopy. The coordination number of La(3+) is nine. LaE(I) and LaE(II) have similar coordination spheres, but their hydrogen bond networks are different. Erythritol exhibits two coordination modes: two bidentate ligands and tridentate ligands in LaE(III). Chloride ions and water coordinate with La(3+) or participate in the hydrogen-bond networks in the three complexes. Crystal structures, FTIR, FIR, THz, and Raman spectra provide detailed information on the structures and coordination of hydroxyl groups to metal ions in the metal-carbohydrate complexes.Copyright © 2012 Elsevier Ltd. All rights reserved.

相关化合物

  • 无水氯化镧
  • 氯化镧,七水
  • 赤藓糖醇

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