Synthesis and Crystal Structure of Cyclopentylindene Rare Earth Complex (C5H9C9H6)3SmCl-Li+(THF)4

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (2): 188.

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Synthesis and Crystal Structure of Cyclopentylindene Rare Earth Complex (C₅H₉C₉H₆)₃SmCl^-Li⁺(THF)₄

CUI Dong-Mei^1,2, TANG Tao¹, CHENG Jian-Hua¹, HU Ning-Hai¹, CHEN Wen-Qi¹, HUANG Bao-Tong¹

1. State Key Laboratory of Polymer Physicsand Chemistry, Changchun Instituteof App lied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2. Department of Chemical Engineering, Jilin Institute of Technology, Changchun 130012, China

Received:2001-03-02 Online:2002-02-24 Published:2002-02-24

Abstract

Abstract: Rare earth complex(C₅H₉C₉H₆)₃SmCl^-Li⁺(THF)₄(Ⅰ) was synthesized by reacting anhydrous SmCl₃ with two equivalents of C₅H₉C₉H₆Li. From mix solvent of THF and hexane, red color single crystals were obtained. The crystal belongs to a cubic system, space group P2₁3 with unit cell parameters a=b=c =1.7540(2) nm, α=β=γ =90°, V =5.3964(11) nm³, Z =4. The ten-coordinated samarium atom is bonded to three cyclopentylindenyl rings and a chlorine atom to form the anionic part of the title complex, ring centroids and the chlorine atom form a tortured tetrahedron around samarium. In the cationic part, lithium atom coordinates to four oxygen atoms of THF molecules to form a normal tetrahedron. The Sm-C(within the same ring) distance varies from 0.268 to 0.299 nm.

Key words: Cyclopentylindene, Samarium, Rare earth complex

CLC Number:

O627.4

TrendMD:

CUI Dong-Mei, TANG Tao, CHENG Jian-Hua, HU Ning-Hai, CHEN Wen-Qi, HUANG Bao-Tong. Synthesis and Crystal Structure of Cyclopentylindene Rare Earth Complex (C₅H₉C₉H₆)₃SmCl^-Li⁺(THF)₄[J]. Chem. J. Chinese Universities, 2002, 23(2): 188.

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Synthesis and Crystal Structure of Cyclopentylindene Rare Earth Complex (C₅H₉C₉H₆)₃SmCl^-Li⁺(THF)₄

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