Dichlorido(crown ether)lanthanoid(III) tetrachloroaluminate complexes

被引：1

作者：

Evans, David J. ^{[1
]}

Guo, Zhifang ^{[2
]}

Deacon, Glen B. ^{[1
]}

Junk, Peter C. ^{[2
]}

机构：

[1] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia

[2] James Cook Univ, Coll Sci & Engn, Townsville, Qld 4811, Australia

来源：

POLYHEDRON | 2025年 / 265卷

关键词：

Lanthanoids; Crown ethers; X-ray structures; Halide transfer; Non-coordinating AlCl 4 anions; CROWN-ETHER COMPLEXES; RARE-EARTH; MACROCYCLIC LIGANDS; MOLECULAR-STRUCTURE; CRYSTAL-STRUCTURES; LANTHANOID SALTS; STRUCTURAL-CHARACTERIZATION; 18-CROWN-6; COORDINATION; LANTHANIDE(III);

D O I：

10.1016/j.poly.2024.117270

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reactions between LnCl3, AlCl3 and a crown ether (18-crown-6 and dibenzo18-crown-6) in MeCN have led to the isolation of four new lanthanoid halide crown ether complexes, [PrCl(mu -Cl)(18-crown-6)]2[AlCl4]2 center dot 2MeCN (1), [YbCl2(18-crown-6)][AlCl4]center dot MeCN (2), and [LnCl(mu -Cl)(dibenzo18-crown-6)}2][AlCl4]2 center dot 6.5MeCN (Ln = La, 3 , Pr, 4 ). 1 was also obtained by unexpected halide transfer on addition of 18-crown-6 (18C6) to MeCN solutions of [Pr(MeCN)9][AlCl4]3. Complexes 1 , 3 and 4 have dinuclear chloride-bridged nine-coordinate cations, and 2 has an eight coordinate mononuclear cation.

引用

页数：6

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