Synthesis and Crystal Structure of Neodymium Complex with Glycine [Nd(Gly)(H2O )7]Cl3

Chemical Research in Chinese Universities ›› 1999, Vol. 15 ›› Issue (4): 306-310.

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Synthesis and Crystal Structure of Neodymium Complex with Glycine [Nd(Gly)(H₂O )₇]Cl₃

LI Jun-ran¹, ZHOU Li-ping¹, JIN Tian-zhu¹, YU Kai-bei²

1. State Key Laboratory of Rare Earth Materials Chemistry and Application, Peking University, Beijing 100871, P. R. China;
2. Chengdu Centref or Analysisand Measurement, Academic Sinica, Chengd u 610041, P. R. China

Received:1999-05-13 Online:1999-12-24 Published:2011-08-17
Supported by:
Supported by the State Key Laboratory of Rare Earth Material Chemistry and Application,the Climbing Program,andthe National Key Project for Foundamental Research.

Abstract

Abstract: The title complex [Nd(Gly)(H₂O )₇]Cl₃ was synthesized and its crystal structure was determined by X-ray diffraction to obtain a final R value of 0.0260 and a wR value of 0.0868. The crystal is of monoclinic system with a space groug Pm. Every two neodymium ions in the crystal are connected with a carboxyl group to form a polymeric chain molecule. And each neodymium ion is further coordinated with seven oxygen atoms from water molecules. The counter ion(Cl^-) is non coordinated to fill up the space between the polymeric chains. So the Nd ³⁺ cation is nine coordinated and the coordination polyhedron is a trigonotetradecahedron. In addition, there exists the mirror symmetry in the complex.

Key words: Neodymium complex, Glycine, Crystal structure

LI Jun-ran, ZHOU Li-ping, JIN Tian-zhu, YU Kai-bei . Synthesis and Crystal Structure of Neodymium Complex with Glycine [Nd(Gly)(H₂O )₇]Cl₃[J]. Chemical Research in Chinese Universities, 1999, 15(4): 306-310.

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Synthesis and Crystal Structure of Neodymium Complex with Glycine [Nd(Gly)(H₂O )₇]Cl₃

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