Enhanced single-molecule magnetism in dysprosium complexes of a pristine cyclobutadienyl ligand |
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Author: | Durrant, James P.1,2; Tang, Jinkui3; Mansikkamäki, Akseli4; |
Organizations: |
1Department of Chemistry, School of Life Sciences, University of Sussex, Brighton, UK 2School of Chemistry, The University of Manchester, Oxford Road, Manchester, UK 3Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5626, 130022 Changchun, China
4NMR Research Unit, University of Oulu, P.O. Box 8000, Finland
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Format: | article |
Version: | published version |
Access: | open |
Online Access: | PDF Full Text (PDF, 2.4 MB) |
Persistent link: | http://urn.fi/urn:nbn:fi-fe2020043023568 |
Language: | English |
Published: |
Royal Society of Chemistry,
2020
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Publish Date: | 2020-04-30 |
Description: |
AbstractIntact transfer of the cyclobutadienyl ligand [C₄(SiMe₃)₄]2− to yttrium and dysprosium (M) produces the half-sandwich complexes [M{η⁴-C₄(SiMe₃)₄}(BH₄)₂(THF)]− as coordination polymers with bridging sodium or potassium ions. The dysprosium versions are single-molecule magnets (SMMs) with energy barriers of 371(7) and 357(4) cm−1, respectively. The pristine cyclobutadienyl ligands provide a strong axial crystal field that enhances the SMM properties relative to related cyclopentadienyl compounds. see all
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Series: |
Chemical communications |
ISSN: | 1359-7345 |
ISSN-E: | 1364-548X |
ISSN-L: | 1359-7345 |
Volume: | 56 |
Issue: | 34 |
Pages: | 4708 - 4711 |
DOI: | 10.1039/D0CC01722A |
OADOI: | https://oadoi.org/10.1039/D0CC01722A |
Type of Publication: |
A1 Journal article – refereed |
Field of Science: |
114 Physical sciences 116 Chemical sciences |
Subjects: | |
Funding: |
For financial support, we thank the University of Sussex, the ERC (CoG 646740), the EPSRC (EP/M022064/1), the National Natural Science Foundation of China (Grants 21525103 and 21871247), the Magnus Ehrnrooth Foundation, the CSC-IT Center for Science in Finland, the Finnish Grid and Cloud Infrastructure (urn:nbn:fi:research-infras-2016072533), the University of Oulu (Kvantum Institute) and Prof. H. M. Tuononen (University of Jyväskylä) for computational resources. JT and RAL also thank the Royal Society for a Newton Advanced Fellowship (NA160075). |
Copyright information: |
© The Authors 2020. This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence. |
https://creativecommons.org/licenses/by/3.0/ |