Dichlorido(crown ether)lanthanoid(III) tetrachloroaluminate complexes
Evans, David J., Guo, Zhifang, Deacon, Glen B., and Junk, Peter C. (2025) Dichlorido(crown ether)lanthanoid(III) tetrachloroaluminate complexes. Polyhedron, 265. 117270.
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Abstract
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(μ-Cl)(18-crown-6)]2[AlCl4]2·2MeCN (1), [YbCl2(18-crown-6)][AlCl4]·MeCN (2), and [LnCl(μ-Cl)(dibenzo18-crown-6)}2][AlCl4]2·6.5MeCN (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.
| Item ID: | 88440 |
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| Item Type: | Article (Research - C1) |
| ISSN: | 1873-3719 |
| Keywords: | Crown ethers, Halide transfer, Lanthanoids, Non-coordinating AlCl4 anions, X-ray structures |
| Copyright Information: | © 2024 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
| Date Deposited: | 24 Nov 2025 22:09 |
| FoR Codes: | 34 CHEMICAL SCIENCES > 3402 Inorganic chemistry > 340203 F-block chemistry @ 100% |
| SEO Codes: | 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280105 Expanding knowledge in the chemical sciences @ 100% |
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